Shielding design analystSalary, qualifications, career path and hiring demand, 2026 edition
A shielding design analyst works out how much radiation shielding material stands between a source and a person, and whether it is enough: performing radiation shielding tasks such as modelling dose rates around waste packages, designing temporary shielding for maintenance jobs, and calculating what a container needs to satisfy transport limits. It is applied radiation shielding design for operations and waste rather than the permanent structures of a nuclear design reactor.
Shielding design analysts earn a median of around $121,000 in the United States and roughly £50,000–£66,000 at mid to senior level in the UK, rising past £100,000 for a principal. Package shielding and complex source term development specialists sit at the top of the range, reflecting expertise in radiation protection and shielding evaluations.
No single licence is required. What gates the work is modelling competence: a master's degree in physics or nuclear engineering, proficiency with radiation shielding codes, security clearance, and analysis that has supported accepted designs under export control laws and regulatory oversight.
The role at a glance
Everything an employer will ask about in the first fifteen minutes of a screening call.
- Also called
- Shielding analyst · dose rate analyst · package shielding analyst · radiation transport analyst (applied) · shielding assessment specialist
- Entry qualification
- BSc/MSc in physics, nuclear engineering or a numerate science. Monte Carlo modelling capability is screened for directly.
- Typical entry pay
- $73,000–$100,000 (US) · £30,000–£37,000 (UK graduate)
- Senior / principal pay
- $146,000–$190,000 (US) · £75,000–£100,000 (UK principal)
- Contract day rates
- £540–£720 for shielding analysis; £660–£880 for package shielding design and complex source term modelling outside IR35; $98–$165/hr on US shielding support
- Professional gate
- No licence. UK: SQEP designation where shielding supports a safety case or transport approval. Code proficiency is the practical requirement.
- Security
- UK BPSS minimum, SC common. US: unescorted access authorisation where site work is involved, though much analysis is desk-based.
- Where the work sits
- Waste organisations, decommissioning contractors, licensees, package designers, transport specialists and consultancies. Strongly hybrid-friendly.
- Travel
- Low. Analysis is desk-based, with occasional site visits for source term data and verification measurements.
- TRX segments
- Radioactive waste management · Decommissioning & dismantling · Operating fleet · Fuel handling & fuel cycle · Nuclear medicine · Large new build
Six versions of the same job title
"Shielding design analyst" changes with what is being shielded: a waste container that must meet transport limits, a temporary screen for a maintenance job, or a store full of packages. Note the top segment: waste packaging drives the largest volume of applied shielding analysis. Meter = relative hiring volume across TRX's 2026 desk activity.
Radioactive waste management
Shielding analysis for waste: container and package design, dose rates at package surfaces and at distance, store and vault shielding, and the assessments supporting transport approvals.
Decommissioning & dismantling
Operational shielding for decommissioning: temporary shielding to reduce dose during work, shielding around retrieved items, and dose rate modelling to plan how jobs are sequenced. Sellafield, Magnox fleet.
Operating fleet
Temporary shielding design for outage and maintenance work, dose rate modelling to support job planning, and shielding assessments for plant modifications. US fleet, EDF UK fleet.
Fuel handling & fuel cycle
Shielding for fuel and material handling: flasks, transfer routes, storage arrays and the criticality-adjacent shielding considerations of fissile material.
Nuclear medicine
Shielding design for medical facilities: imaging rooms, therapy suites, isotope preparation areas and their surrounding occupied spaces.
Large new build
Applied shielding assessment during design and commissioning, supplementing the plant shielding design with operational and layout-driven analysis. Hinkley Point C, Sizewell C.
What the week actually looks like
A composite day for a mid-level shielding design analyst at a waste organisation, consultancy or licensee. Desk-based and strongly hybrid. Package design and job planning cycles shape the rhythm (noted below).
What shielding design analysts 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. Source: TRX market analysis, Q3 2026.
How shielding analysis compares to adjacent roles
US figures. The physicist and nuclear engineer medians are BLS OEWS May 2025; the specialism ranges are TRX market analysis.
| Occupation | Median | P10 | P90 | What moves the number |
|---|---|---|---|---|
| Shielding design analyst | $121,000 | $80,000 | $190,000 | Package shielding, complex source terms, transport cases, clearance |
| Physicists (all industries) | $155,680 | $80,000 | $230,000+ | The physicist code exceeds this, as with other applied RP roles |
| Shielding engineer | $129,000 | $85,000 | $200,000 | Plant shielding design for reactors and facilities |
| Health physicist | $126,000 | $84,000 | $198,000 | The broader radiological protection discipline |
Sources: US BLS OEWS May 2025 for the coded occupations; TRX market analysis Q3 2026 for the specialism ranges. This role sits below the shielding engineer, which designs permanent plant shielding as part of the reactor design process, while this is applied analysis for operations, packages and transport.
Package and container shielding
Designing waste packages that meet dose rate and transport limits, while remaining practical to handle and fill, is the highest-volume specialist work.
Complex source terms
Analysis where the inventory is uncertain, irregular or mixed requires judgement about the input as much as skill with the code.
Transport shielding cases
Assessments supporting transport approvals face formal scrutiny against regulatory dose rate limits.
Three ways in, and only one of them starts with a nuclear degree
Shielding analysis is entered from physics or nuclear engineering, and Monte Carlo modelling capability is the defining skill. It is one of the more portable radiological roles because the codes are used across sectors.
Graduate, UK
Four to eight years to senior.
Graduate, US
Four to eight years.
Career changer
Twelve months to three years.
Are you actually ready to compete for a shielding 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 analysts applying for the same shielding post, and in a field where code proficiency and accepted analyses 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.A strong Monte Carlo CV can still miss the shortlist if it does not show package shielding or transport cases. The gap is the part you can fix.
Illustrative figures based on TRX shortlisting patterns across shielding vacancies. Your own score is generated by avua from your CV and the role you are targeting.
The credentials that actually gate the work
Gated by code proficiency and, where analysis supports a safety case or transport approval, by formal competence designation.
| Credential | Jurisdiction | Required for | Time | Notes |
|---|---|---|---|---|
| Monte Carlo code proficiency | All | Everything | Months–years | The practical gate; named on most specifications. |
| SQEP designation | UK | Safety-case and transport-facing analysis | Role-specific | Applies where the analysis supports a formal case. |
| Analysis approval authority | US / UK | Signing shielding assessments | Role-specific | Internal, granted once competence is demonstrated. |
| Transport regulations knowledge | All | Package and transport cases | Months | Dose rate limits and package classification. |
| CEng or chartered physicist | UK | Senior technical grades | 4–7 yrs | Via an engineering or physical science body. |
| Waste acceptance criteria | All | Package design work | Months | Determines the limits a package must meet. |
| Unescorted access authorisation | United States | Site measurement and verification | 4–10 wk | 10 CFR 73 background check; much work is off-plant. |
| BPSS / SC clearance | UK | Site access; sensitive inventories | 2–20 wk | SC is common. |
Requirements change with programme and site. Confirm the specific scope with the employer before assuming a credential transfers.
What appears on a 2026 shielding analysis shortlist
Drawn from the shielding analysis requirement specifications TRX has worked in the last twelve months, ordered by how often each is a hard filter.
Named on the specification
- Monte Carlo modelling — The established radiation transport codes
- Shielding physics — Attenuation, buildup and material behaviour
- Source term definition — Establishing what is being shielded against
- Dose rate assessment — Surface, contact and distance dose rates
- Geometry modelling — Representing real objects accurately in a code
- Regulatory limits — Transport and workplace dose rate criteria
What decides between two shortlisted candidates
- Package shielding design — Containers meeting limits while remaining practical
- Complex source terms — Irregular, mixed or poorly characterised inventories
- Transport cases — Analysis supporting formal package approvals
- Deterministic methods — Point kernel and discrete ordinates alongside Monte Carlo
- Writing — The assumptions behind a shielding case matter as much as the result
- Verification — Comparing predictions against measurements to build confidence
The 2026 demand map
Shielding analysis demand is driven by waste packaging and decommissioning operations. Highly location-flexible analytical work.
| Programme | Location | Phase in 2026 | Engineering demand |
|---|---|---|---|
| Waste organisations | UK & global | Packaging and storage | Very high; every package and store needs assessment |
| Sellafield & NDA estate | Cumbria, UK | Decommissioning | Very high; operational and package shielding |
| Consultancies | Global | Cross-programme | Shielding analysts supplied across programmes |
| DOE site programmes | US | Cleanup | Package and facility shielding for large waste volumes |
| Transport and flask designers | Global | Package approval | Transport shielding cases |
| US operating fleet | Nationwide | Outages and modifications | Temporary shielding and job dose planning |
| GDF programme | UK | Design | Disposal package and vault shielding |
| Fuel-cycle facilities | Global | Operations | Flask and transfer route shielding |
| Medical facility designers | Global | Ongoing | Imaging and therapy room shielding |
| National laboratories | US & UK | Research and services | Method development and complex cases |
Programme phases move. Confirm current status before making a relocation decision; TRX tracks these weekly.
Waste packaging is the volume driver.
Every waste package must satisfy dose rate limits at its surface and at distance, every store must be shielded for the packages it holds, and every transport movement needs a radiation shielding design case against regulatory dose rate limits and waste acceptance criteria. That generates continuous applied radiation shielding analysis across the waste estate, and with the GDF programme and large decommissioning volumes ahead, it is durable work that is largely independent of new build cycles and involves radiation shielding analysis expertise.
Why shielding design analysts are sought.
The role requires radiation shielding physics plus genuine Monte Carlo code proficiency, and the codes take real time to use well rather than merely operate. With waste packaging, decommissioning operations and the disposal programme all requiring shielding cases simultaneously, shielding design analysts who can handle uncertain source terms and defend their assumptions are consistently in demand.
Adjacent and onward roles
Shielding analysis sits between radiological protection and design. These are the moves TRX sees most often.
Questions we get asked every week
Can you become a shielding analyst without a nuclear background?
Yes. Anyone with radiation transport modelling experience converts readily, including medical physicists and research physicists who have used the same Monte Carlo codes in different applications. The nuclear-specific part is source term definition, waste acceptance criteria, and transport dose rate limits, which are the regulatory context rather than new physics. This role often requires collaboration with radiation shielding engineers and other specialists in the field.
Do you need a licence to work as a shielding design analyst?
No profession-wide licence exists. Monte Carlo code proficiency is the practical gate, and in the UK SQEP designation applies where analysis supports a safety case or transport approval. Internal analysis approval authority governs what you can sign in this position, which is responsible for ensuring compliance with regulatory limits and safety standards. This role often requires collaboration with multidisciplinary teams and the use of advanced resources to develop shielding solutions that protect patients and workers, including those in remote communities. Employers in this field are typically equal opportunity employers, considering candidates without regard to gender identity, sexual orientation, national origin, or veteran status.
Can you become a shielding analyst without a nuclear background?
Yes. Anyone with radiation transport modelling experience converts readily, including medical physicists and research physicists who have used the same Monte Carlo codes in different applications. The nuclear-specific part is source term definition, waste acceptance criteria, transport dose rate limits, and understanding regulatory frameworks, which are the regulatory context rather than new physics. This role often requires collaboration with multidisciplinary teams in the related field and the use of advanced resources to create shielding solutions that protect patients and workers, including those in remote communities. Employers in this field typically offer benefits such as vision insurance, dental insurance, paid time off, and 401 k plans, and are equal opportunity employers, considering candidates without regard to gender identity, sexual orientation, national origin, or veteran status.
Is shielding analysis a good career in 2026?
It has durable demand driven by waste packaging and decommissioning rather than construction, and the disposal programme will generate package and vault shielding work for decades. The honest caveat: it is a narrow analytical specialism, largely desk-based, and progression means handling harder cases rather than broadening, so it suits people who enjoy radiation shielding design analyst role modelling as a craft.
What is the difference between a shielding design analyst and a shielding engineer?
A shielding engineer designs the permanent shielding of a plant: the biological shield, structural shielding and the radiation transport analysis that determines how a reactor and its buildings are configured, working as part of the design process. A shielding design analyst performs applied shielding assessment for operations and waste: package and container design, temporary shielding for jobs, store shielding and transport cases. Put simply, one shields the plant as it is designed and the other shields operations, packages and movements throughout its life. The physics and codes are shared, and analysts move between the two, but plant shielding is a design discipline while this is an operational and waste-facing one.
Which shielding skills are most in demand in 2026?
Package and container shielding leads, because waste packaging generates the highest volume of applied radiation shielding design work and every package must meet regulatory compliance requirements. Close behind is handling complex source terms and transport cases. Monte Carlo modelling, shielding physics, source term definition, proficiency with radiation transport codes, and understanding of shielding design analyst role job description are the near-universal hard filters for candidates.
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.