Pool & spa maintenance interview questions

126 interview questions for the 21 roles a $20M business in this industry hires for, from leadership to the field. Each role has job-related questions, what strong and weak answers sound like, and a short work exercise.

21 roles. Open one to see its questions, or open them all.

Chief Executive Officer

6 questions · Set priorities from a sample business
Job description
  1. Weekly service routes are profitable, but repair and equipment revenue is flat. What do you do?

    Situational · Growing repair revenue

    Strong answer
    Checks whether technicians spot and report equipment problems, how fast estimates go out and close, and whether there's a repair team to do the work, then sets goals and owners.
    Red flags
    Tells technicians to sell more without fixing the process.
  2. A management company offers a contract for [25] community pools. How do you decide?

    Situational · Large commercial contracts

    Strong answer
    Weighs health code demands, certified staff needed, route fit, chemical costs, liability, payment terms and price, and sets a walk-away point.
    Red flags
    Signs for the size of it, or refuses without running numbers.
  3. How would you decide whether to expand into a new city or add more customers where your routes already run?

    Technical · Where to grow

    Strong answer
    Compares route density and drive time, cost to win customers, local licensing and seasons, staffing, and payback.
    Red flags
    Picks the bigger market without numbers.
  4. Tell me about the first managers you added as a route-based service company grew, such as a service manager or office manager.

    Behavioral · Building leaders

    Strong answer
    Explains why they added each role, how they hired, and which decisions they handed off so they stopped doing those jobs themselves.
    Red flags
    Still makes every decision personally.
  5. Tell me about a serious safety incident on a service route at a company you led, and what you changed.

    Behavioral · Safety leadership

    Strong answer
    Responded fast, cared for the person, found the root cause (such as chemical storage on the truck or rushed routes), changed training or equipment, and followed up.
    Red flags
    Blames one employee and moves on.
  6. Tell me about an HOA or commercial pool contract you declined or walked away from, and why.

    Behavioral · Walking away

    Strong answer
    Gives clear reasons tied to margin, risk or capacity, and what happened after.
    Red flags
    Has never walked away, or regrets every one.

Work exercise: Set priorities from a sample business

Give finalists a made-up P&L and KPI sheet for a pool service company: flat repair revenue, rising chemical costs and a large HOA bid. Ask them to choose three priorities and present them in [20] minutes, then take questions for [10].

Chief Operating Officer

6 questions · Plan from sample route data
Job description
  1. Your chemical balance compliance numbers dropped this month across several routes. How would you find out why?

    Situational · Water chemistry compliance

    Strong answer
    Checks test kit and reagent condition, technician technique, chemical supply, route timing and records, then fixes the cause and spot-checks results.
    Red flags
    Blames technicians and sends a reminder.
  2. It's midsummer and you're short three technicians with full routes. What do you do?

    Situational · Peak-season staffing

    Strong answer
    Protects commercial and health-code pools first, spreads stops across routes, uses overtime within safe limits, tells customers honestly, and plans earlier hiring next year.
    Red flags
    Overloads technicians, or skips stops quietly.
  3. How do you set a fair number of stops and time per stop for weekly service routes?

    Technical · Route standards

    Strong answer
    Uses time studies by pool size and type, drive time, seasonal debris and equipment, plus quality data such as callbacks.
    Red flags
    Same number of stops for everyone, no matter the pools.
  4. Tell me about a time you introduced a new SOP to field technicians and made it stick.

    Behavioral · Rolling out procedures

    Strong answer
    Involved technicians, trained hands-on, measured adoption and adjusted.
    Red flags
    Sent a memo.
  5. Tell me about a chemical or electrical safety problem in field operations that you fixed at the root.

    Behavioral · Safety at the root

    Strong answer
    Names the problem, the root cause, the fix such as storage rules or lockout steps, and the follow-up.
    Red flags
    Disciplined one person and moved on.
  6. Tell me about a field supervisor you developed.

    Behavioral · Developing supervisors

    Strong answer
    Coached them on inspections and coaching technicians, gave stretch work, and their routes improved.
    Red flags
    Takes credit without specifics.

Work exercise: Plan from sample route data

Give finalists made-up route data for [four] technicians: stops, callbacks, chemical use and overtime. Ask them to find the problems and propose a [30]-day plan in [20] minutes.

Chief Financial Officer

6 questions · Plan a sample year
Job description
  1. Walk me through how you'd plan cash for a pool business whose revenue rises and falls with the season.

    Technical · Seasonal cash planning

    Strong answer
    Monthly cash forecast, building reserves in peak months, sizing a credit line, timing big purchases, and adjusting staffing costs for the slow season.
    Red flags
    Plans a year at a time with no monthly view.
  2. Chemical costs rose sharply this season, and service prices are set by contract. What do you recommend?

    Situational · Chemical price spikes

    Strong answer
    Models the margin hit, reviews contracts for price adjustment terms, proposes a surcharge or new pricing where allowed, and tightens chemical use tracking.
    Red flags
    Absorbs the cost silently, or raises prices without checking contracts.
  3. One region's routes lose money every month. How would you work out why?

    Situational · Unprofitable routes

    Strong answer
    Looks at drive time, stops per route, pricing, chemical use and labor per stop, then compares to profitable routes and recommends fixes or exits.
    Red flags
    Cuts the region without understanding it.
  4. Tell me about a seasonal forecast that missed badly, and what you changed.

    Behavioral · Forecasting

    Strong answer
    Owns the miss, names the assumption, such as the season starting late, and the change to the method.
    Red flags
    Blames the weather and changed nothing.
  5. Tell me about a control over chemical purchases or repair invoices that you put in place, and what it caught.

    Behavioral · Controls

    Strong answer
    Names the control, such as purchase approvals or matching repair invoices to signed estimates, what it caught, and how they checked it kept working.
    Red flags
    Has no example, or controls existed only on paper.
  6. Tell me about a time you showed owners that a service line or group of accounts, such as HOA contracts or repairs, was losing money.

    Behavioral · Hard truths about profitability

    Strong answer
    Came with the numbers, said it early and directly, offered options such as repricing, changing the process or exiting, and followed up.
    Red flags
    Softened the numbers, or waited until the season was over.

Work exercise: Plan a sample year

Give finalists a made-up monthly revenue and expense history for a pool company. Ask them to build a simple cash plan for the next [12] months and name the low point, in [20] minutes.

General Manager

6 questions · Act on a sample report
Job description
  1. Revenue per service hour has dropped this season. What do you look at?

    Situational · Falling revenue per hour

    Strong answer
    Pricing, drive time, extra time on green pools, callbacks and chemical cost, then makes specific changes.
    Red flags
    Pushes technicians to work faster.
  2. An HOA board threatens to cancel after their pool was closed by the health department. What do you do?

    Situational · Major escalations

    Strong answer
    Responds personally, fixes the water right away, gets the reinspection, shows the board what caused it and what changed, and follows up.
    Red flags
    Blames the board, or offers credits only.
  3. Walk me through how you'd judge whether the repair side of the business is healthy.

    Technical · Repair business health

    Strong answer
    Repair revenue and margin, estimate turnaround and approval rate, parts margin, warranty claims, repeat repairs and backlog age, with an action for each one that slips.
    Red flags
    Looks only at total repair revenue.
  4. Tell me about a time you had to replace a service or route manager during the busy season.

    Behavioral · Replacing a manager

    Strong answer
    Set clear expectations, documented coaching, involved HR, and kept routes covered and customers informed through the handoff.
    Red flags
    Delayed for months, or acted without warning or a coverage plan.
  5. Tell me about a time you staffed up technicians for a busy season.

    Behavioral · Seasonal hiring

    Strong answer
    Started early, used several sources, and trained people before the rush.
    Red flags
    Started hiring when the season began.
  6. Tell me about a time you cut green-pool callbacks or chemical costs across a team.

    Behavioral · Improving results

    Strong answer
    Gives before and after numbers, the cause found, such as filter care or testing habits, the change made, and how the team adopted it.
    Red flags
    A vague story with no numbers.

Work exercise: Act on a sample report

Give finalists a made-up monthly report: callbacks, revenue per hour, chemical cost and repair backlog. Ask them to rank the issues and write a one-page plan in [20] minutes.

Field Supervisor

6 questions · Grade sample stops
Job description
  1. A customer says the pool light flickers, and the technician's notes say "fine." What do you do?

    Situational · Electrical hazards

    Strong answer
    Treats it as a possible shock hazard: advises no swimming, has the light circuit turned off at the breaker, sends a qualified electrician, and talks to the technician.
    Red flags
    Agrees it's fine without checking.
  2. Your own test at a pool shows almost no chlorine, though the technician logged normal readings this morning. What do you do?

    Situational · Readings that don't match

    Strong answer
    Retests, checks equipment and the possibility of a real drop, then talks to the technician with facts. If logs were made up, follows the discipline policy.
    Red flags
    Assumes the worst without checking, or ignores it.
  3. Walk me through what you check when you inspect a technician's completed stop.

    Technical · Checking a technician's work

    Strong answer
    Water clarity and a fresh test, brushed walls and clean baskets, equipment running without leaks, gate latched, log and notes complete.
    Red flags
    Looks at the water and leaves.
  4. Tell me about a time you coached a technician whose pools kept failing your quality checks.

    Behavioral · Coaching technicians

    Strong answer
    Gave specific feedback, showed how on the spot, checked the next stops and saw improvement.
    Red flags
    Yelled, or let it slide.
  5. Tell me about a time you resolved a customer complaint in person at the property.

    Behavioral · Resolving complaints on site

    Strong answer
    Listened, explained what they found, fixed what was the company's and followed up.
    Red flags
    Got defensive.
  6. Tell me about a time you kept a crew on schedule through a hard week, such as a heat wave or storm cleanup.

    Behavioral · Leading through a hard week

    Strong answer
    Re-planned routes, supported the team, and kept water quality where it needed to be.
    Red flags
    Pushed the crew hard and let quality slip.

Work exercise: Grade sample stops

Give finalists made-up logs and photos from [five] service stops with planted problems. Ask them to grade each stop and write coaching notes in [20] minutes.

HR Manager

6 questions · Build a hiring plan
Job description
  1. A technician gets acid splashed on their arm at a stop. What do you do?

    Situational · Chemical injury

    Strong answer
    Makes sure the area is flushed with water right away and medical care follows, follows the injury reporting and workers' compensation process, reviews PPE and training with operations, and checks in.
    Red flags
    Waits to see if it's serious, or blames the technician.
  2. You need [eight] technicians trained before the season starts in two months. What's your plan?

    Situational · Seasonal hiring

    Strong answer
    A recruiting plan with several sources, structured interviews, a training schedule with ride-alongs and chemical safety, and dates.
    Red flags
    Posts a job ad and waits.
  3. Walk me through a chemical safety training plan for new pool technicians.

    Technical · Chemical safety training

    Strong answer
    Hazard communication and SDS, PPE, never mixing chemicals, acid into water, storage in vehicles, spill response, with sign-offs.
    Red flags
    A video and a signature.
  4. Tell me about a time you cut turnover among technicians in their first season.

    Behavioral · Retention

    Strong answer
    Used data on when and why first-season technicians left, made specific changes, such as better ride-along training or route sizes, and shows results.
    Red flags
    Has no numbers.
  5. Tell me about a time you handled a driving record or vehicle incident problem for field staff.

    Behavioral · Driving and vehicle rules

    Strong answer
    Applied a written driving policy the same way to everyone, followed consent and notice rules for record checks, worked with the insurer, and coached, retrained or reassigned based on the facts.
    Red flags
    Applied rules unevenly, or acted without a policy.
  6. Tell me about a time you helped a manager handle a technician who wasn't doing the work they logged.

    Behavioral · Coaching managers on discipline

    Strong answer
    Helped gather evidence, such as retests and photos, applied the discipline policy consistently, documented it, and gave the technician a chance to respond.
    Red flags
    Fired on suspicion, or let it slide.

Work exercise: Build a hiring plan

Give finalists a made-up forecast: [eight] technicians needed in [eight] weeks, plus last year's turnover. Ask them to build a hiring and training timeline in [20] minutes.

Marketing Manager

6 questions · Plan a spring budget
Job description
  1. Opening season is six weeks away. What's your campaign plan?

    Situational · Spring campaigns

    Strong answer
    Targets past and lapsed customers first, uses email, search and local ads, makes booking easy, and tracks bookings by source.
    Red flags
    Runs the same ad as last year.
  2. A detailed one-star review says a technician left a gate open and the dog got out. What do you do?

    Situational · Negative reviews

    Strong answer
    Alerts the manager, responds publicly with care without arguing, takes it offline, and makes sure the fix happens.
    Red flags
    Ignores it or argues in public.
  3. Walk me through how you'd track which channels bring in customers who stay a full season.

    Technical · Tracking leads

    Strong answer
    Source tracking in the customer system, booked and retained counts by channel, and cost per retained customer.
    Red flags
    Counts clicks.
  4. Tell me about a seasonal campaign, such as pool openings or closings, that didn't hit its goal.

    Behavioral · Campaign misses

    Strong answer
    Uses data to show why it missed and names a specific change.
    Red flags
    Blames others.
  5. Tell me about a time you got neighbors of current customers to sign up, such as through mailers on existing route streets.

    Behavioral · Route-density marketing

    Strong answer
    Targeted streets on current routes, used a clear offer, tracked sign-ups against cost, and shows how route density improved.
    Red flags
    Has no tracking, or marketed everywhere at once.
  6. Tell me about a time you worked with operations so marketing didn't bring in more work than the routes could handle.

    Behavioral · Matching demand to capacity

    Strong answer
    Used a capacity map by area, paused or targeted ads by zone, shared lead forecasts with operations, and measured the result.
    Red flags
    Ran ads everywhere and left operations overwhelmed.

Work exercise: Plan a spring budget

Give finalists made-up spend, leads and season-long retention by channel. Ask them to plan next spring's budget in [20] minutes.

Office Manager

6 questions · Work a sample inbox
Job description
  1. A customer says they were billed for a repair they never approved. What do you do?

    Situational · Invoice disputes

    Strong answer
    Pulls the estimate, approval record and notes, checks with the technician, explains, and credits if approval can't be shown.
    Red flags
    Insists they pay, or credits without checking.
  2. Two technicians are booked for the same repair. How do you sort it out?

    Situational · Schedule conflicts

    Strong answer
    Confirms which booking is right, moves one technician, tells the customer and fixes the cause.
    Red flags
    Lets both show up.
  3. Walk me through how you'd run billing for monthly service plus repairs.

    Technical · Billing cycle

    Strong answer
    Monthly service billed on schedule, repairs billed on completion with approvals attached, autopay retries and an aging review.
    Red flags
    Bills when there's time.
  4. Tell me about a time you set up a way to get customers' approval before repair work started.

    Behavioral · Repair approvals

    Strong answer
    Set up written or e-signed approvals, trained technicians and the office, attached approvals to invoices, and shows fewer disputes.
    Red flags
    Relied on verbal approvals, and disputes kept coming.
  5. Tell me about a time you handled a seasonal change in an office, such as service pauses or closings for winter.

    Behavioral · Seasonal changes

    Strong answer
    Planned customer notices early, adjusted billing and autopay, scheduled the work, and kept customers informed.
    Red flags
    Let billing run as usual and surprised customers.
  6. Tell me about a time you kept records, such as chemistry logs or inspection reports, ready for an inspector or auditor.

    Behavioral · Inspection-ready records

    Strong answer
    Describes a clear filing system, records kept for the required time, and an example of pulling them quickly when asked.
    Red flags
    Records were scattered, and they scrambled when asked.

Work exercise: Work a sample inbox

Give finalists a made-up inbox with a disputed repair, a schedule conflict and a failed autopay. Ask them to put the items in order and draft two replies in [20] minutes.

Operations Manager

6 questions · Fix a sample week
Job description
  1. A technician calls out on a full Monday in July. What do you do?

    Situational · Midsummer call-outs

    Strong answer
    Spreads stops by area and priority, protects commercial pools, calls customers who move, and makes up visits within the week.
    Red flags
    Skips the route quietly.
  2. The repair backlog is now three weeks long. How do you handle it?

    Situational · Repair backlog

    Strong answer
    Sorts by safety and urgency, adds capacity, orders parts ahead, and tells customers honest dates.
    Red flags
    Lets it grow.
  3. Walk me through how you'd plan weekly routes for a growing customer base.

    Technical · Route planning

    Strong answer
    Groups by area and day, balances time, leaves room for repairs and callbacks, and reviews actual times monthly.
    Red flags
    Adds stops to whoever has room.
  4. Tell me about a time you got route technicians and the repair team working together better.

    Behavioral · Service and repair handoff

    Strong answer
    Set a process for technicians to report equipment problems with photos, got estimates out within a set time, and shows more approved repairs.
    Red flags
    Had no process, so findings sat in notes.
  5. Tell me about a time you handled a customer issue that a technician couldn't resolve.

    Behavioral · Customer escalations

    Strong answer
    Called or visited the customer, got the facts from the technician, fixed what was the company's, and followed up until it was resolved.
    Red flags
    Passed it back to the technician, or promised what the team couldn't deliver.
  6. Tell me about a time you helped a technician who kept missing stops or running late on their route.

    Behavioral · Coaching technicians

    Strong answer
    Looked at route data, rode along, found the cause, such as route order or skills, set a plan with dates, and shows the result.
    Red flags
    Wrote them up without finding the cause, or gave up quickly.

Work exercise: Fix a sample week

Give finalists a made-up week with [five] technicians, a call-out and a repair backlog. Ask them to rebuild the week in [20] minutes.

Production Manager

6 questions · Audit sample chemistry logs
Job description
  1. A health inspector closes an HOA pool you service because the chlorine is too low on a holiday weekend. What do you do?

    Situational · Health department closures

    Strong answer
    Responds right away, corrects the chemistry, documents it, requests reinspection, tells the HOA what happened and why, and fixes the cause, such as a feeder or test frequency.
    Red flags
    Blames the inspector, or waits until after the holiday.
  2. Callbacks for cloudy water are rising across the team in early summer. How do you find the cause?

    Situational · Rising complaints

    Strong answer
    Looks at filter cleaning, run times, balance and stabilizer levels by route, rides along and retrains on the gap.
    Red flags
    Tells technicians to add more chlorine.
  3. Walk me through how you'd make sure technicians' chemistry readings are accurate.

    Technical · Verifying readings

    Strong answer
    Spot-check retests, expired reagent checks, calibrating meters, and watching logs for readings that never change.
    Red flags
    Trusts the logs.
  4. Tell me about a time you trained a crew on a new standard, such as a testing or dosing procedure.

    Behavioral · Training crews

    Strong answer
    Explains how they trained, checked in the field and reinforced it.
    Red flags
    Told them once.
  5. Tell me about a time a chemical or equipment vendor's product wasn't good enough and what you did.

    Behavioral · Vendor quality

    Strong answer
    Documented it, raised it, and fixed or replaced the vendor.
    Red flags
    Kept using it.
  6. Tell me about a report you gave senior management that changed a decision.

    Behavioral · Reporting

    Strong answer
    Explains the data, the recommendation and the decision it changed.
    Red flags
    Writes reports no one uses.

Work exercise: Audit sample chemistry logs

Give finalists made-up chemistry logs for [ten] pools over [four] weeks with planted problems: copied readings, high stabilizer and missed visits. Ask them to find each problem and plan fixes in [20] minutes.

Sales Manager

6 questions · Coach from a sample dashboard
Job description
  1. Your reps keep selling weekly service in areas where routes are already full. What do you do?

    Situational · Selling into full routes

    Strong answer
    Works with operations on a capacity map, steers sales to open areas, and prices outlying stops to cover the drive.
    Red flags
    Keeps selling and lets operations deal with it.
  2. A competitor is bidding low on your HOA contracts coming up for renewal. How do you respond?

    Situational · Competitive renewals

    Strong answer
    Meets with each board early, shows service records and results, holds price where value is clear, and adjusts only with margin data.
    Red flags
    Matches every bid.
  3. Walk me through how you forecast sales for a seasonal business.

    Technical · Seasonal forecasting

    Strong answer
    Uses past seasons by month, lead flow, close rates and contract renewals, then checks weekly.
    Red flags
    A gut number.
  4. Tell me about a rep you coached to sell more repair or equipment work honestly.

    Behavioral · Coaching reps

    Strong answer
    Found the gap, such as skipping equipment checks or weak explanations, coached on ride-alongs, set goals, and shows more sales without more complaints.
    Red flags
    Told them to push upgrades harder.
  5. Tell me about a time you set or changed commission rules so reps sold accounts that stayed.

    Behavioral · Commission rules

    Strong answer
    Tied pay to paid or retained accounts, checked wage rules with HR, put it in writing, explained it with examples, and tracked the result.
    Red flags
    Changed pay without notice, or without checking the law.
  6. Tell me about a contract you renegotiated to make it profitable.

    Behavioral · Profitable contracts

    Strong answer
    Explains the issue, the approach and the new terms.
    Red flags
    Gave discounts to keep it.

Work exercise: Coach from a sample dashboard

Give finalists a made-up dashboard for [five] reps. Ask them to pick two to coach and plan each one-on-one in [20] minutes.

Warehouse Manager

6 questions · Find the hazards
Job description
  1. Walk me through how you'd store chlorine products and acid in the warehouse.

    Technical · Chemical storage

    Strong answer
    Separated so they can't mix, cool, dry and ventilated, away from fuels and other combustibles, in original labeled containers, with SDS posted and a spill kit nearby.
    Red flags
    Same shelf, whatever fits.
  2. A bucket of chlorine shock is fuming after something got into it. What do you do?

    Situational · Fuming container

    Strong answer
    Gets everyone out and upwind, calls 911 if there's smoke or fire, follows the SDS from a safe distance, and doesn't try to clean it up alone.
    Red flags
    Adds water or carries it outside.
  3. A truck comes back from a pool closing with the customer's old, unlabeled chemical jugs. What do you do?

    Situational · Unknown chemicals

    Strong answer
    Keeps them apart from other stock, doesn't open, mix or combine them, treats them as unknown hazardous material, calls a licensed disposal company, documents it, and tells technicians not to take unlabeled chemicals.
    Red flags
    Pours them together, or puts them on the shelf.
  4. Tell me about a time you got a warehouse ready for the spring rush.

    Behavioral · Preparing for the rush

    Strong answer
    Built stock ahead within storage limits, set the layout for fast load-out, trained staff before the rush, and shows how it went.
    Red flags
    Scrambled once demand hit.
  5. Tell me about a time you got drivers or warehouse staff to wear goggles and gloves every time they handled acid or chlorine.

    Behavioral · PPE habits

    Strong answer
    Explained why, made PPE easy to grab at the right spots, checked consistently, and recognized people who did it right.
    Red flags
    Wrote people up without explaining, or gave up.
  6. Tell me about a time you set up or improved how chemical deliveries were checked in.

    Behavioral · Receiving chemicals

    Strong answer
    Checked labels, container condition and counts against the order at the dock, refused damaged product and recorded it.
    Red flags
    Signed for deliveries without looking inside.

Work exercise: Find the hazards

Show finalists photos of a made-up chemical storage area with [five] planted problems: shock next to acid, a leaking jug, no eyewash, a blocked exit and missing SDS. Give them [15] minutes to find and rank each.

Customer Service Representative

6 questions · Three customer calls
Job description
  1. A customer calls upset that their pool turned green two days after the technician's visit. What do you say?

    Situational · Green-pool complaints

    Strong answer
    Listens, apologizes for the trouble, asks about recent rain, swimmers and whether the pump is running, books a return visit, and suggests no swimming until it's checked.
    Red flags
    Blames the customer, or promises it'll be clear by tonight.
  2. A caller asks how much chlorine they should add to their pool themselves. What do you tell them?

    Situational · Dosing advice over the phone

    Strong answer
    Doesn't guess a dose without a water test. Offers a service visit or tells them where to get the water tested, and shares basic safety such as never mixing chemicals.
    Red flags
    Gives a dose over the phone without knowing the readings.
  3. A new customer wants weekly service to start tomorrow. How do you handle it?

    Situational · Starting new service

    Strong answer
    Explains how route days work, books the first visit on the right route, and records pool details, access and equipment for the technician.
    Red flags
    Promises tomorrow without checking the routes.
  4. Walk me through what you'd record when booking a new customer so the technician arrives ready.

    Technical · Notes for the technician

    Strong answer
    Gate code, pets, pool and spa size, chlorine or salt system, equipment type, current water condition, concerns and best contact.
    Red flags
    Just the address.
  5. Tell me about a time you handled a wave of requests at once, such as spring openings or a holiday rush.

    Behavioral · Seasonal rushes

    Strong answer
    Sorted by need, gave honest dates, used a waitlist and callbacks, and kept notes so nothing was lost.
    Red flags
    Promised everyone the first week, or lost track of requests.
  6. Tell me about a time a customer was upset about something a coworker or technician did.

    Behavioral · Complaints about a coworker

    Strong answer
    Listened, apologized without blaming the coworker, got the facts, arranged the fix, followed up, and logged it so the issue could be coached.
    Red flags
    Blamed the coworker to the customer, or passed the customer along.

Work exercise: Three customer calls

Run [three] role-play calls with made-up customers: a green pool after service, a new customer, and someone asking for dosing advice. Ask finalists to handle each call and write the notes, in [15] minutes in total.

Dispatcher

6 questions · Rework a storm day
Job description
  1. After a big storm, dozens of customers call about debris-filled pools on the same morning. What do you do?

    Situational · Storm aftermath

    Strong answer
    Sorts by safety and urgency, such as equipment underwater or commercial pools, groups visits by area, gives honest times, and moves routine stops.
    Red flags
    Takes calls in order and promises everyone today.
  2. A technician finds a dead pump motor at a commercial pool, and the replacement is at the warehouse. What do you do?

    Situational · Parts in the field

    Strong answer
    Arranges for the part to be brought or picked up, reshuffles the technician's other stops, and tells the pool's contact the timeline.
    Red flags
    Leaves the technician to sort it out.
  3. A customer insists on weekly service on a day your route doesn't cover their area. How do you handle it?

    Situational · Route day requests

    Strong answer
    Explains how route days work, offers the closest options, and notes the preference for future openings.
    Red flags
    Adds them anyway and breaks the route.
  4. How do you balance weekly routes so each technician has a fair, full day?

    Technical · Balancing routes

    Strong answer
    Considers pool size and type, equipment, drive time, debris and commercial stops, then checks actual times and adjusts.
    Red flags
    Counts stops only.
  5. Tell me about a time you had to rebuild routes after losing a technician or adding a big account.

    Behavioral · Rebuilding routes

    Strong answer
    Rebalanced by area and pool type, kept customers' service days stable where possible, called everyone whose day changed, and checked actual times afterward.
    Red flags
    Piled stops on others, or didn't tell customers their day changed.
  6. Tell me about a time you had to tell a customer their service would be late.

    Behavioral · Delay communication

    Strong answer
    Called early, gave a real time and offered to reschedule.
    Red flags
    Didn't call, or gave a guess.

Work exercise: Rework a storm day

Give finalists a made-up board for [four] technicians and a list of [15] storm calls. Ask them to rebuild the day and say what they'd tell each customer, in [20] minutes.

Bookkeeper

6 questions · Cost out sample repairs
Job description
  1. Walk me through how you'd track the cost of a repair job so you know whether it made money.

    Technical · Job costing repairs

    Strong answer
    Parts at cost, labor hours, trip or diagnostic charges and warranty credits, tied to the job and compared to what was billed.
    Red flags
    Looks only at the invoice total.
  2. A customer disputes a repair charge with their card company. What do you do?

    Situational · Card disputes

    Strong answer
    Gathers the signed estimate or approval, photos and invoice, responds before the deadline, and talks with the customer to try to resolve it directly.
    Red flags
    Ignores the notice until the deadline passes.
  3. Manufacturer warranty credits for replaced parts haven't shown up for three months. How do you handle it?

    Situational · Warranty credits

    Strong answer
    Lists every open claim, matches them to returned parts, follows up with the distributor, and sets up a tracker so claims don't age.
    Red flags
    Writes them off, or doesn't know which claims are open.
  4. Tell me about a time you found parts or chemical purchases that didn't match what was used or billed.

    Behavioral · Matching purchases to jobs

    Strong answer
    Compared supplier invoices with job records and truck usage, found the gap, such as a part never billed, fixed it with operations, and added a check.
    Red flags
    Paid supplier invoices without matching them to jobs.
  5. Tell me about a time you collected on a large repair or equipment invoice a customer was slow to pay.

    Behavioral · Collections

    Strong answer
    Describes the steps, a friendly tone, a payment plan if needed, and the payment received.
    Red flags
    Never followed up, or threatened early.
  6. Tell me about a time your workload doubled in a busy season and you kept the books accurate.

    Behavioral · Seasonal workload

    Strong answer
    Planned ahead, kept daily reconciliations going, and the books stayed clean.
    Red flags
    Fell behind and caught up later with errors.

Work exercise: Cost out sample repairs

Give finalists [three] made-up repair invoices with parts costs, technician hours and one warranty part. Ask them to work out the profit on each job and spot the one that lost money, in [20] minutes.

Inventory Specialist

6 questions · Find mismatches
Job description
  1. Your supplier says chlorine tablets are backordered for weeks during peak season. What do you do?

    Situational · Backorders

    Strong answer
    Checks other suppliers and branches, talks with operations about approved alternatives such as liquid chlorine, adjusts allocation and warns the team.
    Red flags
    Waits for the backorder.
  2. Some technicians use far more chemicals than their pools should need. How do you handle it?

    Situational · Chemical waste

    Strong answer
    Compares usage by route and pool size, shares the data with the supervisor, and helps check dosing and storage habits.
    Red flags
    Just orders more.
  3. Walk me through how you'd set reorder points for chlorine and acid before the summer rush.

    Technical · Reorder points

    Strong answer
    Uses last season's usage by week, lead times, safety stock and storage limits, and orders before demand peaks.
    Red flags
    Orders when shelves are empty.
  4. Tell me about a time you tracked chemicals or parts going out on technicians' trucks.

    Behavioral · Truck stock control

    Strong answer
    Set a sign-out or truck stock list, compared it with usage logs and billed jobs on a schedule, found the leaks, such as unbilled parts, and fixed them.
    Red flags
    Let technicians take what they wanted with no record.
  5. Tell me about a time you handled warranty or core returns for parts such as pumps or heaters.

    Behavioral · Warranty returns

    Strong answer
    Tagged each returned part with the job and claim, shipped it to the distributor on time, and gave the bookkeeper what they needed to track the credit.
    Red flags
    Let returns pile up, or lost track of which part went with which job.
  6. Tell me about a time you kept supplies moving during a rush.

    Behavioral · Keeping supplies moving

    Strong answer
    Planned ahead, served the routes with the biggest need first and kept the team informed.
    Red flags
    Ran out and heard about it from technicians.

Work exercise: Find mismatches

Give finalists a made-up stock sheet, receipts and technician usage logs with [three] planted mismatches. Ask them to find each and set two reorder points in [20] minutes.

Sales Representative

6 questions · Homeowner role-play
Job description
  1. A homeowner asks why weekly service costs more than buying chemicals themselves. How do you answer?

    Situational · Value questions

    Strong answer
    Explains what's included, such as testing, chemicals, equipment checks and time, is honest that some people do fine on their own, and offers options.
    Red flags
    Insults doing it yourself, or can't explain the value.
  2. At a quote visit, you notice an old pump that's leaking. What do you do?

    Situational · Spotting equipment problems

    Strong answer
    Tells the homeowner plainly, explains the risk, and offers a separate repair estimate without scare tactics.
    Red flags
    Hides it, or exaggerates it to make a sale.
  3. A customer wants a price over the phone for a heater that "just stopped." What do you say?

    Situational · Phone repair quotes

    Strong answer
    Doesn't guess. Explains that a diagnostic visit is needed, gives that price, and books it.
    Red flags
    Quotes a repair blind.
  4. Walk me through how you assess a pool before quoting weekly service.

    Technical · Assessing before quoting

    Strong answer
    Size, surface, sanitizer system, equipment age and condition, trees and debris, water condition, access and how the pool is used.
    Red flags
    Quotes by size alone.
  5. Tell me about a sale you lost to a homeowner who chose to keep doing their own pool care, and what you'd do differently.

    Behavioral · Learning from losses

    Strong answer
    Names a specific mistake, such as not asking about their time or budget, and a specific change.
    Red flags
    Blames price or the customer.
  6. Tell me about a time you recommended repairing equipment instead of replacing it.

    Behavioral · Honest selling

    Strong answer
    Explained both options and their costs honestly, let the customer choose, and describes the trust or referral it led to.
    Red flags
    Always recommends replacement.

Work exercise: Homeowner role-play

Give finalists a made-up price sheet and [10] minutes to prepare. Then an interviewer plays a homeowner with a cloudy pool and a tight budget for [15] minutes.

Rehash Specialist

6 questions · Rank and call
Job description
  1. Last fall a homeowner got a quote for weekly service but decided to do it themselves. It's now spring. How do you open the call?

    Situational · Re-engaging DIY customers

    Strong answer
    Mentions the earlier quote, asks how it went, offers something that fits, such as a pool opening or partial plan, and accepts a no.
    Red flags
    A hard pitch, or a discount before asking anything.
  2. A prospect says their current pool company keeps missing visits. What do you say?

    Situational · Competitor customers

    Strong answer
    Doesn't run them down, asks what matters most, explains how your service works and leaves the choice to them.
    Red flags
    Bad-mouths the competitor.
  3. A homeowner you call says they never asked for a quote and wants to know how you got their number. What do you do?

    Situational · Respecting contact rules

    Strong answer
    Apologizes, explains honestly where the record came from, offers to remove them, marks them do-not-contact right away, and flags the list for a do-not-call check.
    Red flags
    Keeps pitching, or dodges the question.
  4. Walk me through how you'd sort a list of old pool service quotes to decide who to call first this spring.

    Technical · Working the list

    Strong answer
    By season fit, quote age, reason lost, service area and pool type, calling the warmest first and logging results.
    Red flags
    Calls from the top of the list down.
  5. Tell me about a time a follow-up at the right moment turned an old quote into a customer.

    Behavioral · Timing a callback

    Strong answer
    Explains how they knew the timing, such as the season starting or a past problem, what they offered, and that the customer stayed.
    Red flags
    Kept calling until the customer gave in.
  6. Tell me about a time you made a lot of calls with few yeses. How did you keep improving?

    Behavioral · Learning from calls

    Strong answer
    Tracked outcomes and reasons, adjusted the opener or offer based on what they heard, kept a friendly tone, and shared what worked.
    Red flags
    Kept the same approach, or got pushy.

Work exercise: Rank and call

Give finalists a made-up list of [20] old quotes. Ask them to rank the top five in [10] minutes, then role-play one callback for [10] minutes.

Apprentice / Helper

6 questions · Find the problems on a service cart
Job description
  1. The technician you're with asks you to add acid to a pool while they talk to the homeowner. You've never done it on your own. What do you do?

    Situational · Admitting what you don't know

    Strong answer
    Says so honestly and asks to be shown first. Knows to wear goggles and gloves, and that acid goes into water, never water into acid.
    Red flags
    Does it anyway to avoid looking new, or guesses at the amount.
  2. At a stop, you notice the homeowner keeps chlorine tablets, a bucket of shock and a jug of acid side by side in a hot shed. What do you do?

    Situational · Chemical storage hazards

    Strong answer
    Tells the technician, who explains to the homeowner that these must never mix, and helps move them apart into a cool, dry, ventilated spot.
    Red flags
    Ignores it because it's the homeowner's shed.
  3. You arrive at a stop, the homeowner isn't home, and a dog is barking behind the gate. What do you do?

    Situational · Yard access

    Strong answer
    Doesn't go in. Calls the technician or office, follows the access policy, and notes it for the customer.
    Red flags
    Opens the gate and hopes the dog is friendly.
  4. What do you check before you leave a backyard at the end of a service stop?

    Technical · Leaving the yard safe

    Strong answer
    Gate closed and latched, equipment lids on, no chemicals or tools left out, hoses put away, pump running, and spills rinsed off the deck.
    Red flags
    Packs up and leaves without a final look.
  5. Tell me about a time at work, school or volunteering when you learned a hands-on task by watching and then doing it yourself.

    Behavioral · Learning hands-on work

    Strong answer
    Describes watching closely, asking questions, practicing with feedback and getting it right.
    Red flags
    Can't name an example, or skipped the practice.
  6. Tell me about a time at work, school or volunteering when you spoke up about a safety problem that others hadn't noticed.

    Behavioral · Speaking up about safety

    Strong answer
    Names the hazard, who they told and how, and what changed because they spoke up.
    Red flags
    Stayed quiet to avoid trouble, or has no example.

Work exercise: Find the problems on a service cart

Stage a service cart or show photos with [five] planted problems: acid stored next to chlorine, missing goggles, an expired test kit, a loose pole and an unlabeled jug. Use water only. Give finalists [10] minutes to find each problem and say how to fix it.

Lead Technician

6 questions · Diagnose a sample case
Job description
  1. Walk me through how you troubleshoot a pump that won't hold prime.

    Technical · Pump troubleshooting

    Strong answer
    Checks water level and baskets, then the lid O-ring and suction-side leaks, valves and air in the system, working from simple to complex with power off when hands go in.
    Red flags
    Replaces the pump first.
  2. A gas heater won't fire and the customer has a party tomorrow. Walk me through your approach.

    Technical · Heater diagnosis

    Strong answer
    Checks power, gas supply, water flow and filter pressure, reads error codes, follows the manufacturer's steps, and gives the customer an honest timeline.
    Red flags
    Swaps parts until something works, or promises a fix before diagnosing.
  3. A junior technician's routes have more green-pool callbacks than anyone else's. How do you handle it?

    Situational · Callback patterns

    Strong answer
    Rides along, checks testing technique, dosing math, brushing, stabilizer levels and filter care, coaches on the spot and tracks results.
    Red flags
    Takes over the route.
  4. A customer asks you to replace a pool light fixture, and you're not sure it falls within what you're licensed to do. What do you do?

    Situational · Staying within license limits

    Strong answer
    Checks company policy and local rules, turns off power, and uses a licensed electrician where required.
    Red flags
    Does it anyway.
  5. Tell me about a time you trained a newer technician to balance water on their own.

    Behavioral · Training technicians

    Strong answer
    Describes the plan: practice with test kits, checking their dosing math, ride-alongs, and a sign-off once their readings and doses were right without help.
    Red flags
    Says new technicians learn by watching.
  6. Tell me about the hardest pool or spa equipment repair you've solved.

    Behavioral · Complex repairs

    Strong answer
    Gives a clear diagnosis, the steps that didn't work, the fix and the result.
    Red flags
    Got lucky, or swapped parts until it worked.

Work exercise: Diagnose a sample case

Give finalists a made-up case: equipment pad photos, symptoms and pressure readings. Ask them to explain their diagnosis steps and parts list in [20] minutes. If you use a shop test pad, power stays off.

Technician

6 questions · Dose sample pools
Job description
  1. Walk me through a weekly service stop, from opening the gate to closing it.

    Technical · Running a service stop

    Strong answer
    Checks the gate, skims, brushes, vacuums, empties baskets, checks pressure and listens to equipment, tests water, adds measured chemicals, logs readings and leaves a note.
    Red flags
    Drops in tablets and leaves.
  2. You test a pool and find zero free chlorine, high pH and water turning green. What do you do?

    Situational · Green water

    Strong answer
    Adjusts pH, brushes, shocks to the level the stabilizer reading calls for, runs the filter and cleans it, looks for the cause, and tells the customer to stay out until levels are safe.
    Red flags
    Dumps in chlorine without testing anything else.
  3. You find a spa's drain cover cracked and loose. What do you do?

    Situational · Entrapment hazards

    Strong answer
    Shuts the spa down or keeps people out, tells the customer in writing, orders a compliant cover, and documents it.
    Red flags
    Ignores it because it's not on the work order.
  4. A pool gate doesn't latch when it closes, and small kids live next door. What do you do?

    Situational · Pool barriers

    Strong answer
    Tells the homeowner right away and in writing, makes sure it's secured when leaving, and recommends repair.
    Red flags
    Says nothing.
  5. Tell me about a time you explained a problem to a customer that would cost them money.

    Behavioral · Explaining costs

    Strong answer
    Used plain words, photos or proof, gave options, and the customer understood.
    Red flags
    Used jargon, or avoided the talk.
  6. Tell me about a time you caught a mistake on your route before the customer noticed.

    Behavioral · Catching mistakes

    Strong answer
    Owned it, fixed it and told the right person.
    Red flags
    Hid it.

Work exercise: Dose sample pools

Give finalists made-up test readings for [three] pools and a dosing chart. Ask what they'd add, in what order, and what they'd tell each customer, in [15] minutes. Use prepared sample water if you include a test kit check.

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Within two weeks, I had interviews and found an amazing candidate.Whitney White, Wise Coatings

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