TRX International

Nuclear analysis engineerSalary, qualifications, licensing and career path, 2026 edition

A nuclear analysis engineer proves that plant survives everything it must: pressure, weight, thermal load, an earthquake, a dropped flask, a pipe break. It is the multiphysics discipline of nuclear engineering, using finite-element and specialist codes to show that components, structures and systems meet their nuclear codes under every design-basis load, and to qualify ageing plant for another few decades of service.

Cross-sectorSOC 17-2161StressSeismicFEAHigh hiring demand
In short

Nuclear analysis engineers earn a median of around $130,000 in the United States and roughly £50,000–£68,000 at mid to senior level in the UK, rising past £105,000 for an analysis authority. Specialists in seismic, dynamic, and nuclear-code qualification for nuclear power plants sit at the top of the range.

No single licence is required. What gates the work is competence on the analysis and the code: a PE licence or SQEP designation, security clearance, and formal authorisation to approve the structural and mechanical analyses that underpin the nuclear safety case.

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.

Latest Nuclear Analysis Engineer Jobs
Also called
Structural analysis engineer (nuclear) · stress engineer · FEA engineer · mechanical analysis engineer · seismic analysis engineer
Entry qualification
BEng/MEng or BSc in mechanical, structural, civil or aerospace engineering, or engineering physics. Strong solid mechanics, reactor physics, and numerical methods are screened for directly.
Typical entry pay
$79,000–$109,000 (US) · £32,000–£38,000 (UK graduate, entry level nuclear engineer)
Senior / authority pay
$151,000–$206,000 (US) · £76,000–£108,000 (UK principal or analysis authority)
Contract day rates
£520–£700 for stress and structural analysis; £600–£800 for seismic, impact and nuclear-code qualification outside IR35; $95–$155/hr on US analysis support
Professional gate
US: PE licence for stamped deliverables; internal approval authority for analyses. UK: SQEP designation for a defined analysis scope, normally with CEng through IMechE or ICE.
Security
UK BPSS minimum, SC common. US: unescorted access authorisation under 10 CFR 73, plus citizenship for NRC and most DOE work.
Where the work sits
Reactor vendor, engineering consultancy, new-build project, or utility engineering. Strongly hybrid-friendly; largely a computational, office-based discipline involving computer systems.
Travel
Low. Occasional site presence for as-built survey, walkdowns or test support, but this is one of the more office-based roles.
TRX segments
Large new build · New technology development · Decommissioning & dismantling · Radioactive waste management · Fusion · Fuel handling & fuel cycle · Nuclear propulsion systems · Nuclear facility operations
What the job is

Six versions of the same job title

"Nuclear analysis engineer" changes with the load and the structure: static stress, a seismic event, a dropped cask, or the slow degradation of ageing plant. Bar shows relative hiring volume across TRX's 2026 desk activity.

Large new build

Structural and mechanical analysis for gigawatt new nuclear power plants: pressure-boundary stress to ASME III or RCC-M, pipe stress, seismic qualification and support design. Hinkley Point C, Sizewell C, Vogtle-class AP1000, Barakah.

ROLESStress engineer · seismic analysis engineer · pipe-stress engineer · support-design analyst

New technology development

Analysis for small modular reactors (SMRs) and advanced nuclear reactors, including qualifying novel geometries, nuclear materials and modular structures, and the transport and seismic cases for factory-built modules. Rolls-Royce SMR, Holtec, GE Vernova Hitachi, TerraPower, X-energy.

ROLESStructural analyst · module transport analyst · high-temperature analysis engineer · qualification engineer

Decommissioning & dismantling

Structural analysis of ageing and degraded plant: assessing whether decades-old structures can take retrieval loads, and the lifting, drop and impact analysis for dismantling. Sellafield, Dounreay, Fukushima Daiichi.

ROLESAgeing-structure analyst · lifting and rigging analyst · drop-and-impact engineer · degradation assessment engineer

Radioactive waste management

Structural and impact analysis for waste packages, transport casks and storage facilities, including the drop and fire cases that license a package for transport.

ROLESPackage structural analyst · cask drop-analysis engineer · repository structural engineer

Fusion

Structural and thermomechanical analysis of components under extreme heat, electromagnetic and neutron loads: vacuum vessels, magnets and in-vessel components. ITER, STEP, private fusion.

ROLESThermomechanical analyst · electromagnetic-load engineer · in-vessel structural analyst

Fuel handling & fuel cycle

Structural analysis of fuel-handling machines, storage racks and processing equipment, including seismic qualification of spent-fuel storage.

ROLESHandling-equipment analyst · storage-rack seismic engineer · mechanical qualification engineer
A working day

What the week actually looks like

A composite day for a mid-level nuclear analysis engineer at a vendor, consultancy or new-build project, working a qualification package. Compute-heavy office, hybrid. Submission deadlines and long solver runs shape the rhythm — noted below.

Compute-heavy office · typical TuesdayHybrid, 2 days on site per fortnight
08:15
Solve checkReviewing overnight finite-element runs in ANSYS or ABAQUS. A non-linear contact or seismic transient has finished; you check convergence and whether the deformed shape and reactions are physically sensible before trusting a single stress number, ensuring the nuclear equipment is operating properly.
09:15
Code assessmentComparing the results against ASME III or RCC-M allowables: primary, secondary and peak stresses, fatigue usage, and whether the component passes with margin or needs a design change. The code defines pass and fail, supporting regulatory compliance and safety standards.
10:45
Model workRefining a mesh, a boundary condition or a material model. For seismic or impact work, deciding whether a linear response-spectrum approach is defensible or whether the problem demands a full non-linear time-history run, essential for radiation shielding and control mechanisms.
12:00
Design interfaceFeeding a stress problem back to the design team, or taking updated geometry and loads. The design-analysis loop runs constantly, and catching an unqualifiable detail early saves a redesign late, contributing to environmental impact statements and preventive measures.
13:30
Calculation authoringWriting the analysis up as issued evidence: model, assumptions, loads, method, results and the code assessment that ties them to pass or fail, providing technical information critical for licensing documentation.
15:00
Deep workThe protected block. A fatigue assessment, a sensitivity study, or an independent check of a colleague's limiting case, applying problem-solving and math skills to ensure nuclear fuel and power generation systems are safe and efficient.
17:00
RecordsIssuing calculations into the controlled system with the right revision, checker and approver, and queuing the next solver batch overnight. Nothing counts until it is issued, supporting regulatory agencies and safety regulations.
The hard cases are dynamic and non-linear. Routine linear stress is the base of the job; the value is in the cases that will not linearise: a seismic time-history, a flask drop, a pipe-whip impact, a thermal transient with plasticity. These are compute-heavy, judgement-heavy and where submission deadlines bite hardest, and they are where seismic, dynamic and impact specialists earn their premium, often collaborating with radiological engineers and safety engineers at national laboratories like Oak Ridge.
Pay, 2026

What nuclear analysis engineers 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 salary by level · excludes bonus and contract uplift
$0$64k$128k$191k$255k
Graduate analysis engineer0–2 yrs
$87k
Nuclear analysis engineer2–5 yrs
$111k
Senior analysis engineer5–9 yrs
$146k
Principal / analysis authority9–15 yrs
$180k
Analysis engineering manager12+ yrs
$198k
25th–90th percentileMedianTRX market analysis, Q3 2026

How nuclear analysis compares to adjacent roles

US figures. Nuclear engineer median is BLS OEWS May 2025; the specialism ranges are TRX market analysis, because these are not separately coded by BLS.

OccupationMedianP10P90What moves the number
Nuclear analysis engineer$130,000$87,000$206,000Seismic and dynamic analysis, nuclear-code stress, impact/drop work, clearance
Nuclear engineer (parent SOC)$133,970$93,000$196,000+PE licence, safety case authorship, clearance
Reactor core analyst$132,000$87,000$208,000In-core methods qualification, transient and DNB work
Mechanical engineer (all industries)$105,220$65,000$161,000+Nuclear analysis sits well above the general mechanical median

Sources: US BLS OEWS May 2025 for coded occupations; TRX market analysis Q3 2026 for the nuclear-analysis ranges. Nuclear analysis engineers are coded as nuclear or mechanical engineers by BLS, so no separate federal median exists.

Premium 01

Seismic and dynamic analysis

Qualifying nuclear power plants against earthquakes is a specialised skill combining structural dynamics with nuclear codes and regulatory guidance, and it is needed on every new build and every seismic re-evaluation of the existing fleet. It is one of the clearest premiums in the discipline.

Premium 02

Impact and drop analysis

Non-linear, explicit dynamics (LS-DYNA and similar) for flask drops, aircraft impact and pipe-whip is scarce and high-value, and it licenses every transport package and hardened structure, playing a key role in nuclear waste disposal and operation practices.

Premium 03

Nuclear-code stress and high-temperature design

ASME III (including the high-temperature Division 5 rules for advanced reactors) is a specialised competence that general stress analysis does not teach, and advanced reactors have made high-temperature qualification a sharp new demand, requiring essential skills in heat transfer and systems design.

Routes in

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

Nuclear analysis is one of the most convertible disciplines in the family, because finite-element stress and structural dynamics are core to mechanical, civil and aerospace engineering. Many nuclear analysis engineers arrive from FEA or stress roles in other high-integrity industries.

Route A

Graduate, United Kingdom

Five to eight years to chartered and SQEP.

Year 0MEng or BEng, accreditedMechanical, structural, civil or aerospace engineering, with strong solid mechanics, numerical methods, and foundational knowledge in nuclear engineering. IMechE or ICE accreditation supports chartership and enhances prospects in nuclear engineer jobs.
Year 0–2Graduate schemeRolls-Royce, EDF, Jacobs, AtkinsRéalis, Frazer-Nash, Wood, or a new-build project. Rotations across stress, seismic, mechanical engineering, and design, gaining experience to operate nuclear power plants safely.
Year 2–4First issued analysisYour name on a stress or seismic calculation that clears independent check, demonstrating competence in nuclear codes and electronic equipment analysis. This is the artefact interviewers ask about.
Year 4–6CEng registrationThrough IMechE or ICE, with a competence report and professional review, highlighting your ability to solve problems in creative ways within nuclear safety frameworks.
Year 5–8SQEP designationAssessed for a defined analysis scope, unlocking approval authority on structural and mechanical analyses critical for maintenance activities and ensuring systems are working properly.
Route B

Graduate, United States

Four to nine years to PE.

Year 0ABET-accredited BSMechanical, civil, structural or aerospace engineering with exposure to nuclear principles. ABET supports the PE route and prepares candidates for roles in top industries including nuclear energy.
Final yearFE exam → Engineer in TrainingSit it before graduating to begin the path towards PE licensure.
Year 0–4Vendor, AE firm or utilityWestinghouse, Holtec, GE Vernova Hitachi; Bechtel, Sargent & Lundy, Structural Integrity; utility engineering. AE firms run deep nuclear-analysis training, focusing on simulation results and compliance with nuclear safety standards.
Year 4+PE licenceFour years under a PE, then the Principles and Practice exam (often structural or mechanical PE), demonstrating mastery in programming languages and nuclear analysis software.
Approval authorityGranted internallyOnce you can own an analysis from model to defensible code assessment, ensuring adherence to regulatory compliance and safety.
Route C

Career changer

Twelve to thirty months, and the route the sector is actively recruiting for in 2026.

Step 1Identify the transferable coreFEA, stress, structural dynamics, seismic or impact analysis in aerospace, oil and gas, civil, defence or automotive maps almost directly, leveraging skills in mechanical engineering and electronic equipment.
Step 2Learn the nuclear codes and frameASME Section III (and Division 5 for high temperature) or RCC-M rather than the general codes you know, plus the seismic and regulatory guidance (RG 1.60/1.61 in the US) and why the qualification package is a licensing deliverable, essential for nuclear weapons safety and clean energy production.
Step 3Add the domainA nuclear MSc, ASME code training, or an employer conversion programme to layer nuclear codes onto your analysis skills, supporting continuing education and professional growth.
Step 4Enter through a consultancy or new-build projectBoth hire FEA and stress analysts in volume and value transferable high-integrity experience, recognizing candidates who are detail oriented and able to avoid distracting material.
Step 5Build toward code and seismic ownershipTwo years of nuclear-code analysis makes you a credible senior or analysis-authority candidate, especially in seismic or impact, with opportunities to contribute to clean energy initiatives and maintenance activities.
Before you apply

Are you actually ready to compete for a nuclear analysis 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 engineers applying for the same stress, seismic or qualification post, and in a field where nuclear-code and dynamic-analysis 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 FEA CV can still miss the shortlist if it does not show nuclear-code or safety-relevant qualification work. The gap is the part you can fix.

A typical FEA or stress CV
68
Average of shortlisted candidates
79
Top decile for nuclear analysis roles
91

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

Licences & clearance

The credentials that actually gate the work

Nuclear analysis is not a licensed profession. What is controlled is who may approve a structural or mechanical analysis and the method behind it, decided by professional registration, employer competence assessment and internal approval authority.

CredentialJurisdictionRequired forTimeNotes
Professional Engineer (PE)United StatesStamping analysis deliverables; many engineering grades~4 yrsFE exam, four years under a PE, then the PP exam (often structural or mechanical).
Analysis approval authorityUS / UKApproving structural and mechanical safety analysesRole-specificInternal, granted once competence for a defined scope is demonstrated.
ASME III / code competenceUS / internationalNuclear pressure-boundary and support qualificationOngoingNot a personal licence, but code competence (incl. Division 5 for high temperature) is a hard expectation.
Unescorted access authorisationUnited StatesWorking inside a protected area unescorted4–10 wk10 CFR 73 background check; needed less often for compute-based work.
CEng registrationUK / CommonwealthSenior technical grades; expected for an analysis authority4–7 yrsVia IMechE or ICE; competence report plus professional review.
SQEP designationUKSigning or approving analysis deliverablesRole-specificEmployer-assessed against a defined scope; not portable without reassessment.
BPSS / SC / DV clearanceUKSite access; defence-adjacent and sensitive analysis2–20 wkDV can take five months. Current clearance is a real competitive advantage.
CitizenshipUS / France / othersNRC federal posts, DOE and naval work—US citizenship is required for federal work; not for NRC-regulated private firms.

Requirements change with programme and site. Confirm the specific scope with the employer before assuming a credential transfers.

Skills screened

What appears on a 2026 nuclear analysis engineering shortlist

Drawn from the nuclear-analysis requirement specifications TRX has worked in the last twelve months, ordered by how often each is a hard filter.

Hard filters

Named on the specification

  • Finite-element analysis — ANSYS or ABAQUS for structural, thermal and coupled multiphysics problems, with sound modelling judgement and nuclear materials knowledge
  • Nuclear codes — ASME Section III (including Division 5 high-temperature) or RCC-M stress, fatigue and support rules for regulatory compliance
  • Seismic analysis — Response-spectrum and time-history methods, and the regulatory guidance (RG 1.60/1.61 or the UK equivalent) essential for nuclear safety
  • Pipe stress — CAESAR II, AutoPIPE or equivalent for piping systems and supports, vital for pressure-boundary integrity
  • Non-linear and dynamic analysis — Contact, plasticity and explicit dynamics (LS-DYNA) for impact, drop and pipe-whip scenarios critical in nuclear waste management
  • Calculation-note discipline — Analysis that survives independent check and regulatory scrutiny, with a clear code assessment supporting safety cases
Differentiators

What decides between two shortlisted candidates

  • Knowing when to go non-linear — Recognising when a linear model is unsafe or over-conservative, and defending the choice with critical thinking
  • Writing — A qualification package is only as strong as its documented code assessment; clear analysts are trusted sooner and contribute to regulatory compliance
  • Seismic and impact depth — The scarce, best-paid corners of the discipline with high demand in new build and fleet life-extension
  • High-temperature and advanced-material analysis — Increasingly required for advanced reactors under ASME Division 5 and essential for clean energy development
  • Design-analysis fluency — Enough design sense to propose a fix, not just report a failure, supporting maintenance activities and operational improvements
  • Second language — French for Framatome, EDF and ITER work; useful across export new build and international nuclear projects
One thing candidates consistently underweight. Nuclear-analysis interviews test whether you trust and can defend your model, not whether you can drive the software. A common probe: your linear stress result fails the code, but you suspect it is over-conservative because of a boundary condition. What do you do? The interviewer wants to see that you understand what your model assumes, that you would justify a more realistic approach rather than just accepting or forcing a pass, and that you can explain the mechanics plainly to a reviewer, demonstrating active listening and problem sensitivity.
Where the jobs are

The 2026 demand map

Nuclear-analysis demand tracks construction and life-extension at once, so it clusters around new build, SMRs, and the seismic and ageing re-evaluation of the existing fleet. Because the work is compute-based, many roles are flexible on location.

ProgrammeLocationPhase in 2026Engineering demand
Sizewell CSuffolk, UKConstruction ramp-upHigh-volume stress, seismic and support qualification
Hinkley Point CSomerset, UKInstallation and completionAs-built stress resolution, support and pipe-stress qualification
Rolls-Royce SMRDerby, UKLicensing; factory build-outModule structural, transport and seismic qualification
Holtec SMR-300 / GVH BWRX-300US, UK, CanadaDesign and early constructionComponent and modular qualification for fleet deployment
TerraPower / X-energy / KairosUSDesign and licensingHigh-temperature (ASME Division 5) and novel-material qualification
US fleet life extension & seismic re-evalNationwideOngoingSeismic re-evaluation and ageing-management analysis for licence renewal
Sellafield & NDA estateCumbria, UKRetrievalsAgeing-structure assessment, lifting and drop analysis for dismantling
Waste packaging & transportUK, US, globalCask design and licensingDrop, fire and impact analysis to license transport packages
ITER / STEPFrance & UKAssembly and designThermomechanical and electromagnetic-load analysis of components
AE and analysis consultanciesUS & UKFleet plus new buildStress, seismic and qualification analysis across many client programmes

Programme phases move. Confirm current status before making a relocation decision; TRX tracks these weekly.

Read the market this way

Build and life-extension both hire.

New build and SMRs generate large volumes of qualification analysis, while the existing fleet needs seismic re-evaluation and ageing-management analysis to justify licence renewals. That double demand makes nuclear analysis one of the steadier disciplines, and because much of it is compute-based, it is among the more location-flexible and career-changer-friendly routes into the nuclear engineering sector.

The demographic squeeze

Why experienced analysts have leverage.

Seismic, dynamic and nuclear-code stress expertise takes years to develop and sits with a retiring cohort, exactly as new build, SMRs and life-extension all demand it together. Experienced analysts in seismic, impact and high-temperature nuclear-code work are among the most contested hires, and the volume of routine qualification work means capable converts from other high-integrity industries are landing quickly.

Where it leads

Adjacent and onward roles

Nuclear analysis sits between design and the safety case and connects across the plant. These are the moves TRX sees most often.

Reactor core analystThe in-core, physics-and-thermal safety-analysis specialisation
Nuclear design engineerThe design discipline whose work your analysis qualifies
Thermal hydraulics engineerThe heat-and-fluids analysis discipline alongside structural
Nuclear engineerThe broader systems and safety-case discipline your analysis feeds
Nuclear fission explainedThe physics underneath the plant you analyse, 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 analysis engineer earn in 2026?

In the United States the market runs from about $79,000 for a graduate with a bachelor's degree to $130,000 at the median, with principals and analysis authorities past $206,000. In the UK it runs from £32,000–£38,000 for a graduate to £81,000–£108,000 for an analysis authority. Seismic, dynamic and nuclear-code qualification specialists sit at the top of the range, and contract analysts bill £600–£800 a day outside IR35 for seismic and impact work.

Do you need a licence to work as a nuclear analysis engineer?

No profession-wide licence exists. A US PE licence is expected for stamped deliverables, often the structural or mechanical PE. What actually gates the responsible work is internal analysis approval authority and, in the UK, SQEP designation for a defined analysis scope, so that whoever approves a structural or mechanical safety analysis is formally competent to do so. Continuing education is critical to maintain competence and keep up with evolving nuclear regulations.

Can you become a nuclear analysis engineer without a nuclear degree?

Yes, and it is one of the most convertible nuclear disciplines. Mechanical, civil, structural and aerospace engineers with strong FEA and stress experience convert in readily, because the analysis skills transfer almost directly. The nuclear-specific part is the codes (ASME III, RCC-M), the seismic and regulatory guidance, and the qualification-package discipline, all learned on the job or through a conversion programme. Advanced degrees in nuclear engineering or related fields can accelerate career progression.

Is nuclear analysis a good career in 2026?

Demand is strong and unusually steady, because two things drive it at once: new build and SMRs need large volumes of qualification analysis, and the existing fleet needs seismic re-evaluation and ageing-management analysis to support licence renewals. Much of the work is also hybrid-friendly. The honest caveat: some of the work is routine linear stress, so it is worth targeting seismic, impact or high-temperature qualification if you want the premium roles. Employers are equal opportunity employers, welcoming diversity in gender identity, sexual orientation, veteran status, and marital status.

What is the difference between a nuclear analysis engineer and a reactor core analyst?

A nuclear analysis engineer works structural and mechanical multiphysics across the whole plant: stress, seismic, impact and thermal analysis of components and structures. A reactor core analyst works the in-core safety analysis: neutronics, thermal hydraulics and the transients that prove the core stays inside its limits. Both are 'analysis' roles, but the split is plant structures and mechanics versus core physics and safety. They rarely overlap in practice, and people tend to specialise in one.

Which nuclear analysis skills are most in demand in 2026?

Seismic and dynamic analysis leads, needed on every new build and every fleet seismic re-evaluation. Close behind is impact and drop analysis (LS-DYNA) for transport packages and hardened structures, and high-temperature nuclear-code stress (ASME Division 5) for advanced reactors. Strong FEA (ANSYS or ABAQUS) plus real nuclear-code competence is the near-universal hard filter. Essential skills also include advanced simulation codes, programming languages, and a deep understanding of regulatory compliance and safety analysis principles.

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 analysis path your experience actually fits, and what it is worth.