Senior design engineer Work, Jobs in Filton, 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
Senior Principal Systems Engineer
One Big Circle —Bristol
- £40,000 - £65,000 a year
- Full-time
- Research
- Organisational skills
- In-person
Quick apply
14d
Project Manager
elix sourcing solutions —Tetbury
- £35,000 - £45,000 a year
- Continuous improvement
- Organisational skills
- Communication skills
- Employee assistance programme
Senior Engineer
Ecotricity Group Limited —Stroud
- £60,000 - £70,000 a year
- Full-time
- Hybrid work
- Master's degree
- AWS
- AI
- Free parking
- Work from home
Quick apply
5d
Safety Engineer - Speculative Talent Pipeline
Rowden —Bristol
- £32,000 - £70,000 a year
- Full-time
- Hybrid work
- Analysis skills
- Presentation skills
- Continuous improvement
Quick apply
Senior System Design Engineer
MBDA —Bristol
- £41,000 - £46,500 a year
- Overtime
- Hybrid work
- Communication skills
- Time management
- Free parking
4d
Graduate Design Engineer (New Product Innovation)
Dyson —Malmesbury
- Engineering
- Analysis skills
Product Manager
Rowden —Bristol
- £70,000 - £90,000 a year
- Full-time
- Hybrid work
- Team management
- Quality control
- Agile
Quick apply
Graphic Designer
Crux Product Design —Bristol
- Microsoft Powerpoint
- Microsoft Word
- Communication skills
13d
Senior Engineer - Power Module Design
Microchip Technology —Caldicot
- Full-time
- Engineering
- Master's degree
- Bachelor's degree
Product Owner
Rowden —Bristol
- £55,000 - £75,000 a year
- Full-time
- Hybrid work
- Mentoring
- Leadership
Quick apply
14d
Graduate Ecologist (Environmental) - Bristol/Exeter- 2027
Stantec —Bristol
- Hybrid work
- Bachelor's degree
Stress Engineer / Senior Stress Engineer / Lead Stress Engineer
ORG LINKED —Cwmbran
- Full-time
- Hybrid work
- System design
- Maths
- In-person
Quick apply
Senior Process Development Engineer
Anaphite Limited —Bristol
- £50,000 - £60,000 a year
- Full-time
- Engineering
- Continuous improvement
- No degree
- Free parking
- Health & wellbeing programme
Quick apply
Senior/Staff Digital Design Engineer
OLIX —Bristol
- £194,000 a year
- Full-time
- Machine learning
- Mentoring
Software Engineer (Mid and Senior Levels)
One Big Circle —Bristol
- £36,000 - £70,000 a year
- Full-time
- Machine learning
- In-person
- Communication skills
Quick apply
7d
HubSpot Manager
Focus Group —Bristol
- £50,000 - £60,000 a year
- Full-time
- Hybrid work
- Analysis skills
Quick apply
Digital Engineer
Babcock International —Bristol
- Full-time
- Hybrid work
- Engineering
- Communication skills
- Annual leave
Senior Engineer
Kier Group —Bristol
- Full-time
- Civil engineering
Senior Software Test Engineer
Rowden —Bristol
- £55,000 - £75,000 a year
- Full-time
- Hybrid work
- Continuous improvement
- Travel
- Mentoring
Quick apply

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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
Mentoring junior staff
Engineering
Master's degree
Analysis skills
Bachelor's degree
Continuous improvement
Mentoring
Physics
Scripting
Technical writing
Multidisciplinary collaboration
Communication skills

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

senior design engineer jobs in filton, gls

Senior Nuclear Core Design Engineer

Senior Principal Systems Engineer

Project Manager

Senior Engineer

Safety Engineer - Speculative Talent Pipeline

Senior System Design Engineer

Graduate Design Engineer (New Product Innovation)

Product Manager

Graphic Designer

Senior Engineer - Power Module Design

Product Owner

Graduate Ecologist (Environmental) - Bristol/Exeter- 2027

Stress Engineer / Senior Stress Engineer / Lead Stress Engineer

Senior Process Development Engineer

Senior/Staff Digital Design Engineer

Software Engineer (Mid and Senior Levels)

HubSpot Manager

Digital Engineer

Senior Engineer

Senior Software Test Engineer

I want to receive the latest job alerts for senior design engineer in filton, gls

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