Nuclear engineer Work, Jobs in Clearwell, Gls (with Salaries)

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
Piping Construction Engineer - Nuclear
Vulcain Engineering Group —Bristol
- Engineering
- Microsoft Office
- Organisational skills
- Annual leave
- Employee assistance programme
12d
Process Engineer - Nuclear
AECOM —Bristol
- Full-time
- Hybrid work
- Engineering
- Bachelor's degree
12d
Risk Engineer - Nuclear
Arcadis —Bristol
- Microsoft Excel
- Oracle
- Analysis skills
Senior / Principal Nuclear Safety Engineer
AtkinsRéalis —Bristol
- From £50,000 a year
- Full-time
- Hybrid work
Lead Consultant - Chartered Nuclear Engineer
Decision Analysis Services Ltd —Bristol
- Full-time
- Hybrid work
- Master's degree
- Machine learning
Quick apply
PSA Engineer II
Holtec —Almondsbury
- Engineering
- Bachelor's degree
- Communication skills
Quick apply
Engineer - Nuclear System Engineer
AtkinsRéalis —Bristol
- Full-time
- Hybrid work
- Leadership
5d
Operations Engineer B
Nuclear Restoration Services —Berkeley
- £52,104 - £59,328 a year
- Engineering
5d
Nuclear Licensing Engineer
Amentum —Bristol
- Full-time
- Mentoring
- Communication skills
- Employee assistance programme
- Flexible schedule
Digital Engineer
Babcock International —Bristol
- Full-time
- Hybrid work
- Management
- CAD
- Engineering
- Annual leave
Senior Structures Engineer
Babcock International —Bristol
- Up to £65,981 a year
- Full-time
- Hybrid work
- Project management
- No degree
- Communication skills
- Annual leave
- Employee assistance programme
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
Senior / Principal Engineer - Nuclear System Engineer
AtkinsRéalis —Bristol
- Full-time
- Hybrid work
- Leadership
5d
NUCLEAR ENGINEERS
gpi —Bristol
- Engineering
- System design
- English
Senior Process Engineer - Nuclear
AECOM —Bristol
- Full-time
- Hybrid work
- Engineering
- Bachelor's degree
12d
Senior/Principal Mechanical HVAC Engineer - Nuclear
AtkinsRéalis —Bristol
- Full-time
- Hybrid work
- HVAC
Structural Analysis Engineer - Nuclear
ALTEN —Bristol
- Full-time
- Military
- Engineering
- Master's degree
- Employee assistance programme
- Life insurance
Quick apply
Senior Nuclear Safety Case Engineer
AECOM —Bristol
- Full-time
- Hybrid work
- Engineering
- Master's degree
- Mentoring
12d
Principal Nuclear Safety Case Engineer
AECOM —Bristol
- Full-time
- Hybrid work
- Engineering
- Master's degree
- Bachelor's degree
12d

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Senior Nuclear Core Design Engineer

Holtec -
Almondsbury

Quick apply

Job details

£160,000 - £190,000 a year

Benefits

Annual leave
Employee assistance programme

Qualifications

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

Full job description

The Senior Nuclear Core Design Engineer supports the design, analysis, and licensing of the SMR‑300, an integral pressurized water reactor small modular reactor. This role plays a critical part in core physics analysis, fuel management evaluations, and preparation of nuclear licensing documentation in support of ongoing SMR‑300 development. The Principal Nuclear Core Design Engineer will join an established and growing core design and nuclear analysis team and is expected to independently execute complex technical analyses, benchmark methods and models, clearly document results, and mentor junior engineers in analysis techniques and technical documentation. The ideal candidate brings deep reactor physics expertise, strong analytical and technical writing skills, and experience supporting NRC licensing activities.

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

Primary Responsibilities:

Perform reactor core design and reload analyses supporting steady‑state operation, transient evaluations, and safety analyses
Develop, validate, and maintain core physics models, including lattice and nodal calculations
Generate physics parameters and cross‑section data for use in safety and system analyses
Conduct benchmarking and code qualification activities against experimental data and industry standards
Support fuel cycle optimization, reactivity control strategies, and long‑term core performance evaluations
Prepare detailed technical analyses and reports for internal use and external regulatory submittals
Contribute to licensing documentation, including PSAR, FSAR, and responses to NRC Requests for Additional Information (RAIs)
Participate in technical discussions with cross‑functional internal teams, external partners, clients, and the U.S. Nuclear Regulatory Commission
Mentor and provide technical guidance to junior engineers on analysis methodologies and documentation standards
Support continuous improvement of core design tools, processes, and technical documentation 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 reactor core physics, fuel management, and neutronic analysis
Proficiency with industry standard core analysis tools such as CASMO/SIMULATE
Familiarity with NRC licensing processes, including NUREG 0800 Chapter 4 and Chapter 15 requirements
Strong technical writing, documentation, and communication skills
Ability to work independently while contributing effectively within multidisciplinary teams
Proficiency with industry‑standard analysis tools such as SCALE, MCNP, or equivalent codes
Experience with reactor pressure vessel fluence evaluations and understanding of radiation damage mechanisms
Programming or scripting experience (e.g., Python) to support analysis automation and data processing

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 $160,000 to $190,000 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

nuclear engineer jobs in clearwell, gls

Senior Nuclear Core Design Engineer

Piping Construction Engineer - Nuclear

Process Engineer - Nuclear

Risk Engineer - Nuclear

Senior / Principal Nuclear Safety Engineer

Lead Consultant - Chartered Nuclear Engineer

PSA Engineer II

Engineer - Nuclear System Engineer

Operations Engineer B

Nuclear Licensing Engineer

Digital Engineer

Senior Structures Engineer

Senior Nuclear Radiation Shielding Engineer

Senior / Principal Engineer - Nuclear System Engineer

NUCLEAR ENGINEERS

Senior Process Engineer - Nuclear

Senior/Principal Mechanical HVAC Engineer - Nuclear

Structural Analysis Engineer - Nuclear

Senior Nuclear Safety Case Engineer

Principal Nuclear Safety Case Engineer

I want to receive the latest job alerts for nuclear engineer in clearwell, gls

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