Nuclear engineer Work, Jobs in Kegworth, Lec (with Salaries)

Thermal Hydraulics Analysis Engineer - Nuclear
ALTEN —Derby
- Full-time
- Hybrid work
- Military
- Engineering
- Master's degree
- Employee assistance programme
- Life insurance
Quick apply
Mechanical Engineer – Nuclear (Civil & Defence)
AtkinsRéalis —Derby
- Full-time
- Hybrid work
- Communication skills
9d
Mechanical Engineer - CAD
ALTEN —Derby
- Full-time
- Hybrid work
- Military
- Engineering
- Master's degree
- Employee assistance programme
- Life insurance
Quick apply
Senior / Principal Mechanical Engineer – Nuclear (Civil & Defence)
AtkinsRéalis —Derby
- Full-time
- Hybrid work
- Communication skills
9d
Senior Manager - Integrated Product Support (Design for Maintenance & Availability)
Rolls-Royce SMR —Derby
- £71,000 - £93,200 a year
- Full-time
- Hybrid work
- Travel
- Communication skills
5d
Lead Chemist (Nuclear Engineering)
Rolls-Royce SMR —Derby
- £60,000 - £78,750 a year
- Full-time
- Hybrid work
- Mentoring
- Leadership
- Communication skills
Senior / Principal Mechanical Engineer – Nuclear
AtkinsRéalis —Derby
- Full-time
- Hybrid work
- Communication skills
7d
Head of Engineering Operating System
Rolls-Royce SMR —Derby
- £85,600 - £112,350 a year
- Full-time
- Hybrid work
- Engineering
- No degree
- Travel
Senior Nuclear Fire Safety Engineer
Rolls-Royce SMR —Derby
- £50,650 - £66,500 a year
- Full-time
- Hybrid work
- Engineering
- No degree
- Travel
2d
Expert – Core Performance
Rolls-Royce SMR —Derby
- £71,000 - £93,200 a year
- Full-time
- Hybrid work
- Communication skills
12d
Noise and Vibration Engineer - BALVAC
Balfour Beatty —Derby
- Hybrid work
- Microsoft Word
- Microsoft Excel
- Bachelor's degree
- Annual leave
6d
Mechanical Engineer – Nuclear
AtkinsRéalis —Derby
- Full-time
- Hybrid work
- Communication skills
9d
Mechanical CAD Engineer
Assystem —Derby
- AutoCAD
- CAD
- In-person
Engineer - MDP Civils
Rolls-Royce SMR —Derby
- £42,000 - £55,150 a year
- Full-time
- Hybrid work
- Civil engineering
- Engineering
- Annual leave
4h
Delivery Lead - Module Assembly
Rolls-Royce SMR —Derby
- £50,650 - £66,500 a year
- Full-time
- Hybrid work
- Engineering
- Travel
- Communication skills
4h
Head of Cooling Water Island (CWI) / Balance of Plant (BOP)
Rolls-Royce SMR —Derby
- £85,600 - £112,350 a year
- Full-time
- Hybrid work
- Engineering
- Mechanical knowledge
General Foreman (Rolls Royce)
Balfour Beatty —Derby
- Hybrid work
- First Aid Certification
- Organisational skills
- Construction experience
- Annual leave
12d
Manufacturing Engineer
Assystem —Derby
- Engineering
- Project management
- Employee assistance programme
Stress Engineer
Assystem —Derby
- CAD
- Engineering
- Microsoft Office
ICS/OT Cyber Support
Rolls-Royce SMR —Derby
- £42,000 - £55,125 a year
- Full-time
- Hybrid work
- Engineering
- No degree
- Travel
9d

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nuclear engineer jobs near kegworth, lec

Thermal Hydraulics Analysis Engineer - Nuclear

ALTEN -
Derby

Quick apply

Job details

Full-time

Benefits

Company pension
Tech scheme
Employee assistance programme
Private medical insurance
Life insurance

Qualifications

Military
Engineering
Mechanical Engineering
Master's degree
Bachelor's degree

Full job description

Company Description

ALTEN is a global engineering and technology consultancy operating across over 35 countries worldwide. We partner with industry leaders across sectors including Aeronautics, Aerospace, Defence, Naval, Automotive, Energy, Rail, IT and many more to deliver innovative engineering solutions that drive technological advancement & support sustainable transformation.

Our teams of passionate and agile engineers work on cutting-edge projects that shape the future of technology and sustainability. At ALTEN, we empower talented engineers to innovate, solve complex challenges, and deliver impactful solutions that build tomorrow’s world—today.

Join us and start building tomorrow’s world today!

Job Description

As a Thermal Hydraulics Analysis Engineer , you will join Derby team to support our activities within the Nuclear sector.

You will play a key role in supporting the LOCA fault analysis team, contributing to the delivery of detailed design and GDA Step 3 for advanced nuclear reactor systems.

This role focuses on Loss of Coolant Accident (LOCA) and steam generator tube rupture analyses, using system thermal hydraulics codes to support reactor safety cases and design validation.

You will be working within a highly regulated, safety-critical environment, contributing to the development and assessment of PWR (Pressurised Water Reactor) systems.

Location: Derby
On Site: 1 day / Remote
Clearance: BPSS
Experience Level: 5-10

Key Responsibilities:

Perform LOCA fault studies analysis, supporting ongoing safety and design assessments.
Conduct thermal hydraulics simulations using tools such as RELAP5-3D, CATHARE, or equivalent.
Analyse PWR water systems behaviour using 0D, 1D, or CFD modelling approaches.
Support analysis of steam generator tube rupture faults and related transient scenarios.
Provide technical input into reactor island system design and safety case development (GDA Step 3 E3S case).
Interpret simulation results to inform design decisions and safety justifications.
Collaborate with multi-disciplinary engineering teams to ensure alignment with nuclear safety requirements.
Contribute to technical documentation and safety case authoring where required.
Perform advanced thermal analysis and flow simulations using Flowmaster.
Carry out pressure drop, heat transfer, and system performance calculations.
Develop and validate models to support complex system designs.
Collaborate with cross-disciplinary engineering teams (mechanical, systems, safety, and integration).
Ensure all work is delivered to the highest technical and regulatory standards.
Contribute to design reviews, technical reports, and project milestones.

Qualifications

Required Skills:

Strong background in thermal hydraulics and fluid system analysis.
Experience with system thermal hydraulics codes (e.g. RELAP5-3D, CATHARE).
Knowledge of PWR technology and nuclear reactor systems.
Experience in fluid simulations, particularly thermal hydraulics (preferred over general thermofluids).

Required Qualifications:

Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or related discipline or equivalent military experience.

Desirable Skills:

Experience in LOCA (Loss of Coolant Accident) analysis.
Familiarity with nuclear safety case development and regulatory frameworks.
Experience with CFD tools for thermal-fluid analysis.
Coding or modelling experience related to PWR system behaviour.

Additional Information

Why join us?

We bring together entrepreneurial, tech-driven people to deliver innovative solutions for leading companies.

At ALTEN, you’ll work on exciting projects, supported by ongoing learning, mentoring, and clear career development tailored to your goals.

Join a passionate team and help build tomorrow, today.

In short you get:

A personalised career path and a rewarding management style
A huge diversity of engineering projects and industries
Private Medical Insurance
Cycle & Tech Scheme
Employee assistance programme
Life insurance & Pension Scheme
Social atmosphere, regular gatherings & team buildings
Flexible way of working (role dependent)

We are proud to support the Armed Forces Covenant & actively encourage applications from members of the Armed Forces community, including veterans, reservists, service leavers, and military spouses/partners. We recognise the value of military skills and experience and are committed to ensuring that no applicant is unfairly disadvantaged during our recruitment and selection processes.

ALTEN is committed to fostering a diverse and inclusive workplace and values the strength that comes from a global mix of backgrounds and perspectives. We welcome applications from all suitably qualified candidates, regardless of background or protected characteristics under the Equality Act 2010. If you require any reasonable adjustments during the recruitment process, please let us know.

This role may require you to have or be willing to go through Security Clearance. As part of the onboarding process candidates will be asked to complete a Baseline Personnel Security Standard; details of the evidence required to apply may be found on the government website Gov.UK. If you are unable to meet this and any associated criteria, then your employment may be delayed, or rejected . Details of this will be discussed with you at interview.

Quick apply

Refine Your Search

nuclear engineer jobs in kegworth, lec

Thermal Hydraulics Analysis Engineer - Nuclear

Mechanical Engineer – Nuclear (Civil & Defence)

Mechanical Engineer - CAD

Senior / Principal Mechanical Engineer – Nuclear (Civil & Defence)

Senior Manager - Integrated Product Support (Design for Maintenance & Availability)

Lead Chemist (Nuclear Engineering)

Senior / Principal Mechanical Engineer – Nuclear

Head of Engineering Operating System

Senior Nuclear Fire Safety Engineer

Expert – Core Performance

Noise and Vibration Engineer - BALVAC

Mechanical Engineer – Nuclear

Mechanical CAD Engineer

Engineer - MDP Civils

Delivery Lead - Module Assembly

Head of Cooling Water Island (CWI) / Balance of Plant (BOP)

General Foreman (Rolls Royce)

Manufacturing Engineer

Stress Engineer

ICS/OT Cyber Support

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