Goodfit

How to hire a Maintenance Technician

Maintenance technicians keep plant equipment running. They do preventive maintenance, find the cause of breakdowns, and fix electrical and mechanical faults. They also track how long machines stay up. Many plants run old equipment 24/7, and every hour of unplanned downtime cuts into production targets. A skilled technician can mean a line that runs at 85% availability instead of one that limps along at 60%.

Screen Maintenance Technician applicants
Maintenance Technician

Free · Email code to start · Uses your mic · Up to 5 minutes

On this page

What is a Maintenance Technician?

A Maintenance Technician keeps equipment running and fixes it when it stops. The work has two parts. Planned maintenance is done on a schedule to stop failures before they happen. Breakdown work means finding the real cause fast, so the same problem does not keep coming back. Technicians also install and set up new equipment and know which spare parts are needed. They record what they did, which makes the next failure faster to find.

Also called
Maintenance Engineer, Service Technician, Plant Technician, Millwright
Function
Maintenance and engineering
Level
Skilled trade to senior technician
Reports to
Maintenance Supervisor, Maintenance Manager, or Plant Engineer
Measured on
Equipment uptime, MTTR, MTBF, PM compliance, repeat failures, safety
Next step
Senior Technician, Maintenance Supervisor, Reliability Engineer, Maintenance Manager

The hiring challenge

Maintenance technician hiring is hard because the real skill is finding the fault. Many candidates can replace a part or reset a machine. Few can work through a failure they have never seen before, step by step. Your interview needs to test three things. First, diagnostic reasoning: can they tell if a failure is electrical, mechanical, pneumatic, or PLC-related? Second, preventive maintenance discipline: do they follow PM schedules, or only fix what is already broken? Third, record keeping: do they log breakdowns, parts used, and MTTR? Or do they fix and forget?

What to look for in a Maintenance Technician

Three traits matter most. A clear diagnostic method: when a machine goes down, do they check symptoms, isolate subsystems, and test ideas one at a time? Or do they start swapping parts at random? Commitment to preventive maintenance: do they finish PM schedules properly? Or do they skip PM whenever production gets busy? Willingness to learn: equipment keeps changing, with PLCs, VFDs, servo motors, and IoT sensors. Does the candidate keep learning new technology? Or do they think only in mechanical terms?

Also test for comfort with the equipment on your floor. Many plants run machines from different countries, each with its own control system and spare parts. Test electrical safety knowledge, since electrical hazards are a leading cause of injury for maintenance workers. And test spares planning. Imported spares can take 8-12 weeks to arrive. A good technician thinks ahead about what they will need and flags it early.

The best maintenance technicians track MTTR and MTBF for their machines. They can tell you which equipment is heading toward failure. Some candidates only talk about fixing breakdowns quickly. If they never mention trends, PM compliance, or making machines more reliable, they react to problems instead of preventing them.

Common mistakes when hiring Maintenance Technicians

Testing knowledge instead of diagnosis. Asking a candidate how a motor works tests memory. Giving them a failure and asking for their troubleshooting steps tests the skill you need. Use scenario questions that make them diagnose step by step.

Ignoring electrical safety. Electrical work is the most dangerous part of maintenance. Ask about lockout-tagout procedures. Ask how they check that equipment is de-energized before they work on it. Ask what they do if told to work on a live panel. A candidate who is casual about electrical safety puts your people at risk.

Key skills for a Maintenance Technician

  • Preventive and breakdown maintenance
  • Electrical troubleshooting and safety
  • Mechanical repair (bearings, gears, pumps)
  • PLC basics and control systems
  • MTTR and MTBF tracking
  • Lockout-tagout (LOTO) procedures
  • Spare parts management and forecasting
  • Root cause analysis for equipment failures

What a great interview looks like

Voice

"A motor on the production line keeps tripping after 10 minutes of running. What are your troubleshooting steps, from start to finish?"

Scenario

"You start the morning shift. Three PM tasks are overdue, and a machine has just broken down. How do you plan your day?"

Roleplay

"The production supervisor says, "Skip the PM on machine 4 today. We cannot afford the downtime. Do it next week." How do you respond?"

MCQ

"A VFD shows an overcurrent fault on a conveyor motor. Which of these should you check FIRST?"

Voice

"Tell me about a repeat breakdown you fixed for good. What was the pattern, what did you find, and what was the fix?"

You can use these questions in Goodfit as they are, or edit the questions and the scoring for your team.

Recommended interview process

  1. 1

    Round 1: AI Voice Interview15 to 20 min

    Questions on troubleshooting, PM habits, and safety. The scorecard covers diagnostic reasoning, preventive habits, and electrical safety.

  2. 2

    Round 2: Technical Assessment25 min

    The candidate diagnoses a fault that is electrical, mechanical, or PLC-based. They are graded on a step-by-step approach and finding the right cause.

  3. 3

    Round 3: Maintenance Manager Interview30 min

    Experience with your equipment, spares planning, and ideas for making machines more reliable. Only for candidates who passed Rounds 1-2.

In Goodfit, the AI interview runs the first round for every applicant. Skill tests, coding tests and roleplays can run in Goodfit too. Your team reads the scorecards and joins for the later conversations.

FAQ

Maintenance Technician hiring questions

What does a maintenance technician do?
They do scheduled preventive maintenance, such as lubrication, inspection, calibration, and replacing parts. They respond to breakdowns by finding and fixing faults. They install and set up new equipment. Where the plant uses it, they run condition monitoring. They manage spares and order parts. They follow lockout and permit steps to isolate machines safely. And they record work, parts, and findings in the maintenance system, so the team can look up past failures later.
What is the difference between preventive, breakdown, and predictive maintenance?
Breakdown (reactive) maintenance fixes equipment after it fails. It costs the most, because failures happen at the worst times. Preventive maintenance services equipment on a fixed schedule, whatever its condition. It means some extra work but far fewer surprises. Predictive maintenance uses data like vibration, temperature, or oil analysis. The team steps in only when the data shows a fault is starting. Most plants use a mix. The ratio tells you how mature the maintenance team is.
What are MTTR and MTBF?
MTTR means mean time to repair. It is the average time to get equipment running after a failure. It shows how well the repair response works. MTBF means mean time between failures. It is the average running time between breakdowns. It shows how reliable the equipment and the maintenance plan are. Better MTTR makes failures shorter. Better MTBF makes them rarer. A team that only improves MTTR is just getting faster at the same repair.
What skills does a maintenance technician need?
Mechanical basics: bearings, drives, couplings, alignment, hydraulics, and pneumatics. Electrical skills that fit the plant, including motors and control circuits. Often they need enough PLC knowledge to find faults, though not to write programs. Step-by-step diagnosis matters most. It is what separates technicians who fix causes from those who swap parts until something works. They also need to read drawings, schematics, and manuals. They need discipline with isolation and permits. And they need to write things down, or the next failure starts from zero.
What qualifications does a maintenance technician need?
Usually a trade certificate, an apprenticeship, or an engineering diploma. Common fields are mechanical, electrical, mechatronics, or instrumentation. Most places require a license for electrical work. Training from equipment makers is common in specialized plants. Employers care a lot about hands-on time with similar machines, because diagnosis skill comes from knowing the equipment. They also check electrical licenses, since these are required by law.
What is lockout-tagout and why does it matter in hiring?
Lockout-tagout is the procedure for cutting off energy before anyone works on equipment. That includes electrical, mechanical, hydraulic, pneumatic, and stored energy. Locks and tags stop anyone from turning it back on. It matters in hiring because most serious factory injuries happen during maintenance. Shortcuts usually happen under production pressure. Ask how a candidate would isolate a machine mid-shift. Their answer tells you directly how safely they work.
How is a maintenance technician's performance measured?
By equipment uptime and their share of downtime. By mean time to repair and how well they keep to the preventive maintenance schedule. By the repeat failure rate on equipment they have worked on. Also by spares used against standard, the quality of closed work orders, and safety compliance. Repeat failure rate tells you the most. A technician with fast repairs but the same failures on the same machine is treating symptoms.
What interview questions should I ask a maintenance technician?
Describe a symptom, such as a motor that trips now and then under load. Ask what they check first, second, and third. Give credit for narrowing down the cause, and less for listing parts. Ask what they do when production asks them to skip isolation to save fifteen minutes. Ask about a fault that beat them and how it was finally found. Ask how they decide to repair or replace a part. And ask what they write in a work order after a repair.
How do you hire maintenance technicians?
Always check trade certificates and licenses. But they only show who is eligible. Diagnostic skill varies a lot between technicians with the same papers. Use a structured first round with two scenarios. One is a fault to diagnose, and one is a safety call under pressure. Score everyone on the same rubric. This separates careful troubleshooters from part-swappers. It also takes far less time than a hands-on trade test for every applicant.

Also hiring?

Manufacturing

Production Supervisor

How to hire

Manufacturing

Plant Manager

How to hire

Manufacturing

Safety Officer

How to hire

Looking for Maintenance Technician jobs instead? Browse open roles on Goodfit Jobs

Try Goodfit with your own team

Goodfit talks with applicants and employees by phone or in a browser. Try it on one of your open roles.

Book a demoStart free
  • 20 free assessments, no card needed
  • Then $5 per assessment
  • No seats or annual contract
Book a demo