Modular reactor systems engineering Work, Jobs in Bristol, Eng (with Salaries)

Senior Nuclear Radiation Shielding Engineer
Holtec —Almondsbury
- £155,000 - £185,000 a year
- Doctoral degree
- Engineering
- Master's degree
- Annual leave
- Employee assistance programme
Quick apply
Control System Engineer
Rolls-Royce —Bristol
- Full-time
- Azure
- Engineering
- Communication skills
- Annual leave
1d
Digital Project Manager (PLM/ALM Focus)
ASSYSTEM —Bristol
- Full-time
- Hybrid work
- Engineering
- Project management
- Agile
- Annual leave
- Flexible schedule
Quick apply
Senior Nuclear Core Design Engineer
Holtec —Almondsbury
- £160,000 - £190,000 a year
- Doctoral degree
- Engineering
- Master's degree
- Annual leave
- Employee assistance programme
Quick apply
Senior Project Manager – Nuclear
AtkinsRéalis —Bristol
- Full-time
- Hybrid work
- Leadership
Electrical Engineer
Holtec —Almondsbury
- Engineering
- System design
- Maintenance
Quick apply
Key Account Manager
Assystem —Bristol
- CRM software
- Engineering
- Business development
- Annual leave
- Referral programme
Project Engineer - Civil Contract Scope
Assystem —Bristol
- Hybrid work
- Civil engineering
- Microsoft Excel
- Microsoft Office
- Annual leave
- Work from home
HVAC Design Engineer II
Holtec —Almondsbury
- AutoCAD
- Engineering
- Master's degree
Quick apply
Electrical Engineer I
Holtec —Almondsbury
- £74,096 - £94,304 a year
- Engineering
- System design
- Master's degree
Quick apply
Civil Structural Engineer
AtkinsRéalis —Bristol
- Full-time
- Hybrid work
Senior Civil Structural Engineer
AtkinsRéalis —Bristol
- Full-time
- Hybrid work
- Leadership
Layout Integration Engineer
Assystem —Bristol
- CAD
- Engineering
- IT
- Annual leave
- Referral programme
Human Factors Engineer II
Holtec —Almondsbury
- £100,000 - £120,000 a year
- Engineering
- Master's degree
- Bachelor's degree
- Health & wellbeing programme
- Annual leave
Quick apply
Principal Mechanical Engineer
Assystem —Bristol
- Mentoring
- Organisational skills
- In-person

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Control System Engineer
Rolls-Royce —Bristol
Develop and capture knowledge of the product, processes and associated product line, producing engineering work products and reports to document the work…
1d
Electrical, Control & Instrumentation Engineer
Viridor —Cardiff
Appropriate skills and experience to be to able to hold a position of Senior Authorised Person (SAP) and qualified to work on both LV and HV electrical systems.
£60,000 - £65,000 a year

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modular reactor systems engineering jobs near bristol, eng

Senior Nuclear Radiation Shielding Engineer

Holtec -
Almondsbury

Quick apply

Job details

£155,000 - £185,000 a year

Benefits

Annual leave
Employee assistance programme

Qualifications

Doctoral degree
Engineering
Master's degree
Bachelor's degree
Physics
Scripting
Technical writing
Communication skills
Python

Full job description

The Senior Nuclear Radiation Shielding Engineer to support the design, analysis, and licensing of the SMR‑300, an integral pressurized water reactor small modular reactor. The selected candidate will join an established and growing radiation protection and analysis team supporting SMR‑300 development activities, including radiation source term development, shielding design and optimization, dose assessment, and preparation of licensing documentation. This role serves as a hands‑on technical contributor, supporting plant design optimization and regulatory compliance through defensible radiological analyses. This role works independently performing detailed analyses, benchmark methods and models, clearly document results, and mentor junior engineers in analysis techniques and technical documentation.

Location: Flexible — role may be based in Camden, NJ; Jupiter, FL; Cranberry, PA; Madrid, Spain; Bristol, UK; or Kyiv, Ukraine

Primary Responsibilities:

Develop radiation source terms for normal operation, anticipated operational occurrences, and postulated accident conditions
Perform radiation transport analyses to evaluate dose rates in plant systems, structures, and components
Design and optimize radiation shielding to meet occupational exposure and site dose limits in accordance with ALARA principles
Conduct radiological consequences and control room habitability analyses using accepted regulatory methodologies
Perform reactor pressure vessel and structural component fluence evaluations to support shielding and material assessments
Benchmark analytical models against experimental data and industry guidance to ensure technical defensibility
Prepare technical reports and contribute to licensing documentation, including PSAR, FSAR, and responses to NRC Requests for Additional Information (RAIs)
Participate in technical meetings with internal teams, partners, clients, and the U.S. Nuclear Regulatory Commission
Mentor junior engineers and support the development of analysis standards and documentation best practices

Requirements:

Eligibility to work under U.S. Department of Energy 10 CFR Part 810 export control regulations
Bachelor’s degree in Nuclear Engineering, Physics, or a closely related field with 10+ years of relevant experience
- OR Master’s degree with 8+ years of relevant experience
- OR PhD with 6+ years of relevant experience
Demonstrated experience in radiation shielding design, source term development, and radiological dose assessment
Proficiency with radiation transport and dose analysis tools such as MCNP, SCALE, ADVANTG, GALE, ARCON96, RADTRAD, or equivalent codes
Working knowledge of nuclear power plant operations and radiological protection programs
Familiarity with NRC licensing processes and NUREG‑0800 Chapters 11 and 12 requirements
Strong technical writing, documentation, and communication skills
Programming or scripting experience (e.g., Python) to support analysis automation and data processing
Experience supporting NRC audits, RAIs, and technical review meetings
Experience integrating shielding design with plant layout and multidisciplinary engineering teams

A Generation Ahead by Design™
Investing in people who power the future.

We believe great work deserves great rewards. Our benefits go beyond the basics, reflecting our commitment to supporting your whole self…your health, your future, and your career growth. This includes:

Compensation:

Compensation for U.S.-based roles range from $155,000 to $185,000 annually and is determined by skills and experience.
Compensation for roles based outside the U.S. will be set in accordance with local market practices and applicable currency requirements.

Benefits:

Benefits for U.S.-based employees include a comprehensive total rewards package designed to support health, wellbeing, and long-term financial security, including:
Medical, dental, and vision coverage with generous employer contributions and Day 1 eligibility
FLEX program with hybrid work opportunities for eligible roles
401(k) retirement plan with up to a 5% company match and immediate vesting
Paid time off and 11 paid holidays
Wellness and commuter programs
Company-paid life and AD&D insurance
Education assistance and professional development support
Employee Assistance Program and optional voluntary benefits

Benefits for employees based outside the U.S. will vary by country and will be provided in accordance with local market practices, statutory requirements, and regional norms.

If you’re driven to solve meaningful challenges and make a lasting impact, we invite you to build your career at Holtec—a generation ahead by design™.

Quick apply

Refine Your Search

modular reactor systems engineering jobs in bristol, eng

Senior Nuclear Radiation Shielding Engineer

Control System Engineer

Digital Project Manager (PLM/ALM Focus)

Senior Nuclear Core Design Engineer

Senior Project Manager – Nuclear

Electrical Engineer

Key Account Manager

Project Engineer - Civil Contract Scope

HVAC Design Engineer II

Electrical Engineer I

Civil Structural Engineer

Senior Civil Structural Engineer

Layout Integration Engineer

Human Factors Engineer II

Principal Mechanical Engineer

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