TRX International

Pump overhaul technician (nuclear)Salary, qualifications, career path and hiring demand, 2026 edition

A pump overhaul technician rebuilds pumps in the workshop. Equipment comes off the plant, often contaminated, and is stripped to components, measured against wear limits, refurbished with new internals and lubrication, and tested before going back. It is bench work rather than site work, and it is where a pump's next ten years of service life is actually determined. This role requires a strong understanding of pump mechanics, manufacturing processes, and the use of specialized tools to ensure quality refurbishment in nuclear environments.

Cross-sectorSOC 49-9041Workshop overhaulRefurbishmentTestHigh hiring demand
In short

Nuclear pump overhaul technicians earn a median of around $100,000 in the United States and roughly £44,000–£58,000 once qualified in the UK, rising to £84,000 at senior level. Safety-related pump specialists sit at the top of the range, reflecting the high demand for qualified applicants in pump overhaul technician nuclear vacancy roles.

A mechanical apprenticeship plus overhaul competence, workshop qualification, and security clearance. Handling contaminated equipment requires radiological training and compliance with nuclear industry employment practices. Employers are equal opportunity employers valuing diversity in gender identity, sexual orientation, and national origin among employees. Availability and access to resources for training and certification support career growth and the future of nuclear pump overhaul technicians.

US median annual base, TRX market analysis 2026
$0
UK nuclear workforce, against a 120,000 target for 2030
0people
Additional UK skilled workers the sector must recruit
0by 2030
Of UK nuclear employers reporting difficulty filling critical roles
0%
Role snapshot

The role at a glance

Everything an employer will ask about in the first fifteen minutes of a screening call. Note this is workshop-based, which distinguishes it from on-plant rotating equipment work.

Jobs for Pump Overhaul Technicians
Also called
Pump technician (workshop) · overhaul technician · refurbishment technician · workshop fitter · pump rebuild technician
Entry qualification
Mechanical apprenticeship or time-served trade, then overhaul specialisation. No degree required.
Typical entry pay
$70,000–$84,000 (US) · £24,000–£32,000 (UK apprentice), £44,000+ once qualified
Senior pay
$132,000–$152,000 (US) · £66,000–£84,000 (UK senior technician)
Contract day rates
£310–£450 for nuclear pump overhaul; £400–£560 for safety-related pump refurbishment and contaminated equipment work; $64–$118/hr on US contract support
Professional gate
No licence. Overhaul competence assessed practically, with additional qualification for safety-related pumps.
Security
UK BPSS minimum, SC common. US: unescorted access authorisation where site access is required.
Where the work sits
Utility workshops, specialist pump refurbishment companies and fuel-cycle operators. Predominantly workshop-based.
Travel
Low. Workshop-based, though some technicians travel for on-site overhaul of pumps that cannot be moved.
TRX segments
Operating fleet · Fuel handling & fuel cycle · Decommissioning & dismantling · Large new build · Radioactive waste management · New technology development
What the job is

Six versions of the same job title

"Pump overhaul technician" changes with the equipment: safety-related pumps from an operating station, contaminated process pumps from a fuel-cycle plant, or equipment coming off decommissioning plant. Note the top segment dominates. Meter = relative hiring volume across TRX's 2026 desk activity.

Operating fleet

Workshop overhaul of station pumps: safety-related and conventional pumps, strip and inspection against wear limits, refurbishment with qualified parts, reassembly and performance testing. US fleet, EDF UK fleet.

ROLESPump overhaul technician · workshop technician · refurbishment technician

Fuel handling & fuel cycle

Overhauling process pumps from fuel-cycle facilities, which handle aggressive chemistry and arrive contaminated, requiring decontamination before work can begin. Sellafield, Urenco, Orano.

ROLESPump overhaul technician (fuel cycle) · process equipment refurbisher

Decommissioning & dismantling

Refurbishing pumps that must keep decommissioning plant running, frequently equipment that is obsolete and for which spares no longer exist. Sellafield, Magnox fleet.

ROLESOverhaul technician (decommissioning) · refurbishment technician

Large new build

Workshop preparation and commissioning support for new pumps, including receipt inspection and any rectification before installation. Hinkley Point C, Sizewell C.

ROLESWorkshop technician (new build) · equipment preparation technician

Radioactive waste management

Overhauling pumps from waste treatment plant, including equipment handling slurries and active effluent.

ROLESOverhaul technician (waste) · pump refurbisher

New technology development

Workshop support for SMR programmes, including prototype and first-of-a-kind pump equipment. Rolls-Royce SMR, X-energy.

ROLESWorkshop technician (SMR) · overhaul technician
A working day

What the week actually looks like

A composite day for a nuclear pump overhaul technician in a workshop. Bench-based, controlled conditions. Outages generate large volumes of returned equipment (noted below).

Workshop-based · typical shiftWorkshop-based, outage-driven peaks
07:30
Job allocationWhat is on the bench, what has arrived from the plant and what is due back for an outage deadline.
08:15
Receipt and surveyChecking incoming equipment, including radiological survey where the pump has come from a controlled area, before any work begins.
09:00
Strip and inspectDismantling to components and examining everything: impellers, wear rings, shafts, bearings and seal faces, measured against limits rather than judged by eye.
11:30
AssessmentDeciding what is reusable, what is refurbishable and what must be replaced, which is where the real judgement in the job sits.
13:30
Refurbishment and reassemblyMachining, replacing internals and rebuilding to specification, with clearances recorded as work proceeds.
15:30
TestingRunning the pump on the test bed to confirm performance against its curve before it is released.
17:00
RecordsCompleting overhaul records, including everything found on strip, which is the plant's only direct evidence of how that pump has been performing.
Caveat callout — the workshop sees what the plant never does. A pump running on the plant tells you flow, pressure and vibration. Only the workshop sees the actual condition of its internals: how the impeller has eroded, whether the wear rings have opened up, what the shaft looks like where the seal ran. That information determines whether a pump is refurbished or replaced, and whether the same failure will recur. Overhaul records are therefore an engineering input rather than a completion formality, and workshops that document condition properly give engineering years of warning that a pump population is degrading.
Pay, 2026

What pump overhaul technicians are paid in 2026

Bars show the 25th to 90th percentile of base salary. The marker is the median. Switch currency to move between the US and UK markets, which behave differently. Base excludes overtime, which rises around outages. Source: TRX market analysis, Q3 2026.

Base salary by level · excludes overtime, which rises around outages
$0$45k$90k$135k$180k
Apprentice / trainee0–4 yrs
$75k
Pump overhaul technician4–9 yrs
$93k
Senior overhaul technician9–15 yrs
$116k
Lead technician / workshop lead15+ yrs
$140k
Workshop supervision track15+ yrs
$145k
25th–90th percentileMedianTRX market analysis, Q3 2026

How pump overhaul compares

US national medians, annualised from BLS May 2025 hourly data at 2,080 hours. The industrial machinery mechanic median is BLS OEWS May 2025; the specialism ranges are TRX market analysis.

OccupationMedianP10P90What moves the number
Pump overhaul technician (nuclear)$100,000$70,000$152,000Safety-related pumps, contaminated equipment, large pump work, clearance
Industrial machinery mechanics (all industries)$62,690$42,000$95,000+The nuclear premium reflects qualified parts and contamination handling
Rotating equipment technician (nuclear)$106,000$74,000$160,000The on-plant rotating machinery specialism
Mechanical maintenance technician (nuclear)$102,000$72,000$155,000The general mechanical craft

Sources: US BLS OEWS May 2025 for the coded occupations; TRX market analysis Q3 2026 for the specialism ranges. Workshop overhaul sits slightly below on-plant rotating equipment work, which carries site conditions, outage pressure and alignment responsibility.

Premium 01

Safety-related pumps

Pumps credited in the safety case require qualified parts, controlled procedures and documented testing.

Premium 02

Contaminated equipment handling

Overhauling active equipment requires additional facilities, controls and radiological competence.

Premium 03

Large pump refurbishment

Major pumps such as reactor coolant and feed pumps are the most demanding overhauls and involve few technicians.

Routes in

Three ways in, and only one of them starts with a nuclear degree

Pump overhaul is entered from the mechanical trade and converts strongly from workshop and refurbishment work in other industries. It suits people who prefer bench work to site work.

Route A

Apprenticeship and specialisation, United Kingdom

Four to seven years to qualified.

Year 0Mechanical apprenticeshipThe trade foundation, often with workshop content, emphasizing commitment to quality workmanship.
Year 0–4ApprenticeshipFitting, machining, measurement, and joining specialist nuclear communities through practical experience.
Year 4–5Overhaul specialisationPump types, wear limits, refurbishment techniques, testing, and priority safety protocols.
Year 5–6Workshop qualificationCompetence to overhaul specific pump types independently, demonstrating leadership in workshop practices.
Year 6+SpecialiseSafety-related pumps, large machines or workshop supervision, prioritizing nuclear safety and operational excellence.
Route B

United States route

Two to five years for experienced technicians.

Year 0Trade qualification or military backgroundNavy machinery experience transfers well, with a strong commitment to safety and operational standards.
Year 0–1Employer trainingNuclear-specific and pump-specific training to join leading nuclear organisations.
Year 1–2Workshop qualificationCompetence assessment per equipment type, emphasizing priority safety and quality assurance.
Year 2–5Qualified technicianWorking the overhaul programme, joining a community of skilled nuclear pump overhaul technicians.
Route C

Career changer

Six to eighteen months, a strong crossover.

Step 1From workshop refurbishmentTechnicians from pump, valve and machinery refurbishment in any industry transfer directly, demonstrating commitment and adaptability.
Step 2From general mechanical maintenanceConvert with overhaul-specific training, joining nuclear communities focused on safety and quality.
Step 3Learn the nuclear contentQualified parts, traceability and handling contaminated equipment with priority on safety and compliance.
Step 4Enter through a utility workshop or specialistBoth routes are open, offering opportunities to join leadership teams.
Step 5SpecialiseSafety-related and large pump work, where the premium sits, and leadership in nuclear pump overhaul technician roles is critical.
Before you apply

Are you actually ready to compete for a pump overhaul role?

Everything above tells you what the market pays and what it asks for. It does not tell you how your CV reads against the other technicians applying for the same post, and in a field where overhaul competence and safety-related experience decide offers, that is the part that costs candidates the job.

Free resume scoring on avua, TRX's job search and application platform. Your score is yours; it is not shared with employers.
Example scorecardIllustrative
68out of 100

A strong workshop CV can still miss the shortlist if it does not show safety-related pumps or contaminated equipment work. The gap is the part you can fix.

A typical workshop fitting CV
68
Average of shortlisted candidates
79
Top decile for pump overhaul roles
91

Illustrative figures based on TRX shortlisting patterns across overhaul vacancies. Your own score is generated by avua from your CV and the role you are targeting.

Qualifications & clearance

The credentials that actually gate the work

Gated by overhaul competence and workshop qualification, with contamination handling the main additional requirement.

CredentialJurisdictionRequired forTimeNotes
Mechanical trade qualificationAllEntry3–4 yrsApprenticeship or time-served equivalent.
Overhaul competenceAllIndependent overhaul workMonths–yearsAssessed per pump type.
Measurement and wear limitsAllAssessment decisionsMonthsComponents condemned on measurement, not appearance.
Contaminated equipment handlingAllActive pump workDays–weeksRadiological training and controlled facilities.
Safety-related pump qualificationAllCredited equipmentMonthsQualified parts and controlled procedures.
Test bed competenceAllPerformance testingMonthsProving output against the pump curve.
Unescorted access authorisationUnited StatesSite access where required4–10 wk10 CFR 73 background check; much work is workshop based.
BPSS / SC clearanceUKSite access2–20 wkSC is common at licensed sites.

Requirements change with employer and equipment scope. Confirm which pump types a role covers before assuming experience transfers.

Skills screened

What appears on a 2026 pump overhaul shortlist

Drawn from pump overhaul specifications TRX has worked in the last twelve months, ordered by how often each is a hard filter.

Hard filters

Named on the specification

  • Pump overhaul — Strip, inspect, refurbish and rebuild
  • Measurement — Clearances, wear limits and tolerances
  • Bearings and seals — The components that determine pump life
  • Machining awareness — What can be refurbished and what cannot
  • Performance testing — Proving output against the curve
  • Records — Documenting condition found and work done
Differentiators

What decides between two shortlisted candidates

  • Safety-related pumps — Qualified parts and controlled procedures
  • Contaminated equipment — Active pump handling and decontamination
  • Large pump experience — Reactor coolant and feed pumps
  • Obsolete equipment — Refurbishing pumps with no spares available
  • Condition reporting — Recording what the strip actually showed
  • Outage turnaround — Working to deadlines when equipment must return
Underweighted aside — one thing candidates consistently underweight. Overhaul interviews test whether you measure rather than judge. A common probe: a wear ring looks serviceable and replacing it adds time to an outage-critical overhaul. What do you do? The interviewer wants to hear that you measure it against the specified limit and act on the measurement, because pump internals wear gradually and a component that looks acceptable can be well outside its clearance, which shows up as lost performance months later when nobody connects it back to the overhaul. This attention to detail and adherence to measurement protocols is a key skill for a pump overhaul technician nuclear vacancy and a mark of a leader in the field.
Where the jobs are

The 2026 demand map

Demand comes from operating stations running rolling overhaul programmes, with outages generating volume peaks.

ProgrammeLocationPhase in 2026Engineering demand
US operating fleetNationwideRolling overhaul programmesVery high; large pump populations
EDF UK fleetUKOperations and life extensionHigh; ageing pumps and obsolescence
Specialist refurbishment companiesGlobalCross-programmeNuclear-qualified pump workshops
Sellafield & fuel-cycle facilitiesUK & globalOperationsContaminated process pump overhaul
Outage contractorsGlobalSeasonal peaksOverhaul volume around outages
Global operating fleetsGlobalOperationsSustained demand worldwide
Sellafield & NDA estateCumbria, UKDecommissioningRefurbishing obsolete equipment
Hinkley Point CSomerset, UKCommissioningReceipt inspection and rectification
Waste facilitiesUK & globalOperationsSlurry and effluent pump overhaul
Fuel-cycle operatorsGlobalOperationsProcess pump refurbishment

Programme phases move, and outages generate overhaul volume peaks. Confirm current status before making a relocation decision; TRX tracks these weekly.

Read the market this way

Obsolescence is turning overhaul into rescue work

As plants age past the point where pump vendors still support their equipment, overhaul stops being routine refurbishment and becomes the only way to keep a pump in service. Technicians who can refurbish components that are no longer manufactured, work from measurement rather than a parts list, and make an old pump serviceable again are increasingly valuable, because the alternative is replacing whole systems.

The demographic squeeze

Workshop craft is a shrinking population

Workshop overhaul depends on machining awareness, measurement discipline and hands-on judgement about what can be saved, all built over years at a bench. That population is ageing, fewer apprenticeships include substantial workshop content than once did, and specialist nuclear refurbishment workshops are competing with operating stations for the same technicians.

Where it leads

Adjacent and onward roles

Pump overhaul sits within the mechanical trades and connects to on-plant work and supervision. These are the moves TRX sees most often.

Rotating equipment technicianThe on-plant rotating machinery specialism
Mechanical maintenance technicianThe general mechanical craft
Motor rewind technicianThe electrical workshop trade alongside
Maintenance engineer (nuclear)The engineering discipline using your condition reports
Nuclear fission explainedThe physics of the plant your pumps serve, with an interactive chain reaction
Nuclear energy in the United StatesFleet, pipeline, employers and hiring in the largest nuclear market
Questions

Questions we get asked every week

How much does a nuclear pump overhaul technician earn in 2026?

In the United States, the market runs from about $70,000 for an apprentice to $100,000 at the median, with workshop leads past $152,000. In the UK, qualified pump overhaul technicians earn £44,000–£58,000, rising to £84,000 at senior level. Contract technicians bill £310–£450 a day, and £400–£560 for safety-related and contaminated equipment work. Competitive pay reflects the technical expertise, certifications, and responsibility required in nuclear power facilities and maintenance activities.

What qualifications do you need for nuclear pump overhaul work?

A mechanical trade qualification such as a mechanical apprenticeship or time-served equivalent, plus overhaul competence, assessed per pump type. A high school diploma is typically required as a minimum educational background. Radiological training and certifications are necessary for handling contaminated equipment, and safety-related pumps require additional qualification covering qualified parts, controlled procedures, and adherence to nuclear industry employment practices.

Can you become a pump overhaul technician without nuclear experience?

Yes. Technicians from pump, valve, machinery refurbishment workshops, and similar jobs in other industrial operations transfer directly, because overhaul is the same discipline across sectors. The nuclear-specific parts include qualified parts, traceability requirements, and handling equipment that arrives contaminated and must be decontaminated before work starts. Experience with hydraulic pumps, compressors, and complex equipment is essential.

Is nuclear pump overhaul a good career in 2026?

It is a steady, workshop-based role rather than shift and site based, and increasingly valuable as obsolescence turns routine refurbishment into the only way to maintain old pumps in service. The honest caveat: it sits slightly below on-plant rotating equipment work in pay, and workshop roles offer less variety than site-based maintenance for those who prefer being on plant. However, it is a responsible position within a dedicated team, committed to a safe working environment and quality, offering career growth opportunities in the nuclear industry.

What is the difference between a pump overhaul technician and a rotating equipment technician?

A rotating equipment technician works on plant: stripping and rebuilding machines in situ, aligning couplings, taking vibration readings, and returning equipment to service onsite. A pump overhaul technician works in the workshop: equipment arrives removed from the plant and is stripped, measured, refurbished, lubricated, and performance tested on a test bed before going back. Put simply, one works where the machine lives and the other works at a bench. The skills overlap heavily and qualified candidates often move between them, but workshop overhaul involves more machining, measurement, repair, and condition reporting, while on-plant work involves alignment, confined space entry, and site-specific safety protocols.

Which pump overhaul skills are most in demand in 2026?

Safety-related pump experience leads, because qualified parts and controlled procedures make that work distinct. Close behind is contaminated equipment handling and the ability to refurbish obsolete pumps with no spares available. Overhaul competence, measurement discipline, performance testing, and compliance with employment practices and nuclear safety standards are near-universal hard filters. A strong troubleshooting mindset, attention to detail, and the ability to work within a committed team are also critical to maintaining reliability and safety in nuclear power facilities.

Nuclear only

We only recruit in nuclear. That is the whole point.

TRX works across large new build, fusion, new technology development, decommissioning, radioactive waste management and nuclear medicine, in 14+ countries. Send us your CV and we will tell you honestly which path your experience actually fits, and what it is worth.