Warrington, England, United Kingdom · Hybrid
$51k–$66k/yr
Location: Hybrid – Derby, Warrington or Manchester Our Mission At Rolls-Royce SMR, we are revolutionising clean energy through the delivery of scalable, affordable nuclear power. Our mission is to provide reliable low-ca…
Skills: System Design, Requirements Management, Mechanical Engineering, Process System Design, Technical Leadership
Warrington, England, United Kingdom · Hybrid
$51k–$66k/yr
Location: Hybrid – Derby, Warrington or Manchester Our Mission At Rolls-Royce SMR, we are revolutionising clean energy through the delivery of scalable, affordable nuclear power. Our mission is to provide reliable low-ca…
Skills: System Design, Systems Engineering, Requirements Management, Mechanical Design, Process System Design
Warrington, England, United Kingdom · Hybrid
$51k–$67k/yr
Location: Hybrid – Derby, Warrington or Manchester Our Mission At Rolls-Royce SMR, we are revolutionising clean energy through the delivery of scalable, affordable nuclear power. Our mission is to provide reliable low-ca…
Skills: Systems Engineering, Mechanical System Design, Process System Design, Requirements Management, Technical Leadership
Warrington, England, United Kingdom · Hybrid
At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in s…
Skills: Technical Assurance, Civil Engineering, Structural Engineering, Architectural Engineering, Stakeholder Management
Warrington, England, United Kingdom · Hybrid
Company Description Empowering Innovation in Nuclear Energy: Join AECOM’s Vision for a Sustainable Future!" Work with Us. Change the World. At AECOM, we’re delivering a better world. Whether improving your commute, keepi…
Skills: Nuclear Safety Case Development, Regulatory Compliance, Project Lifecycle Management, Mentoring and Coaching, Technical Delivery
Warrington, England, United Kingdom · Hybrid
Company Description "Empowering Innovation in Nuclear Energy: Join AECOM’s Vision for a Sustainable Future!" Work with Us. Change the World. At AECOM, we’re delivering a better world. Whether improving your commute, keep…
Skills: Nuclear Safety Case Development, Strategic Leadership, Project Delivery, Regulatory Compliance, Technical Presentation
Warrington, England, United Kingdom · Hybrid
Company Description "Empowering Innovation in Nuclear Energy: Join AECOM’s Vision for a Sustainable Future!" Work with Us. Change the World. At AECOM, we’re delivering a better world. Whether improving your commute, keep…
Skills: Mechanical Engineering, Project Management, 3D CAD, 3D Modelling, Fissile Materials Handling
Warrington, England, United Kingdom · Hybrid
Company Description "Empowering Innovation in Nuclear Energy: Join AECOM’s Vision for a Sustainable Future!" Work with Us. Change the World. At AECOM, we're delivering a better world. Whether improving your commute, keep…
Skills: Mechanical Engineering, Technical Leadership, Team Management, 3D CAD, Nuclear Standards
Warrington, England, United Kingdom · Hybrid
Company Description "Empowering Innovation in Nuclear Energy: Join AECOM’s Vision for a Sustainable Future!" Work with Us. Change the World. At AECOM, we're delivering a better world. Whether improving your commute, keep…
Skills: Process Engineering, Chemical Engineering, Nuclear Industry Knowledge, Design Justification Reports, Mass and Enthalpy Balances
Warrington, England, United Kingdom · Hybrid
Company Description "Empowering Innovation in Nuclear Energy: Join AECOM’s Vision for a Sustainable Future!" Work with Us. Change the World. At AECOM, we're delivering a better world. Whether improving your commute, keep…
Skills: Process Engineering, Chemical Engineering, Nuclear Industry Knowledge, P&ID Development, Mass and Enthalpy Balances
Warrington, England, United Kingdom · Hybrid
Company Description " Empowering Innovation in Nuclear Energy: Join AECOM’s Vision for a Sustainable Future!" Work with Us. Change the World. At AECOM, we’re delivering a better world. Whether improving your commute, kee…
Skills: Process Engineering, Nuclear Design, Project Management, Client Consultancy, Safety in Design
Warrington, England, United Kingdom · On-site
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakehold…
Skills: EC&I Design, Technical Leadership, Control Systems, Radiometrics, Functional Safety
Warrington, England, United Kingdom · Hybrid
At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in s…
Skills: EC&I Design, Mechanical Handling Systems, Configuration Management, Validation And Verification, Building Interface Modelling (BIM)
Warrington, England, United Kingdom · On-site
Location: Warrington Contract: Full-time, Shift-based (Night Shift) Department: Connected Services / Remote Support Mission As an Engineer II, Digital Services Remote Operations within the Connected Services Hub, you wil…
Skills: Technical Troubleshooting, Data Analysis, BMS Support, HVAC Support, Remote Monitoring
Warrington, England, United Kingdom · On-site
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakehold…
Skills: Mechanical Design, Nuclear Engineering, Design For Assembly, Technical File Production, UK CA Compliance
Warrington, England, United Kingdom · Hybrid
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakehold…
Skills: Electrical Services Design, CDM Regulation, Space Management, Cable Routing, Cable Management
Warrington, England, United Kingdom · On-site
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakehold…
Skills: Engineering Leadership, EC&I Engineering, Nuclear Design, Safety Case Development, Project Management
Warrington, England, United Kingdom · On-site
Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated sectors, the group supports public and industrial stakehold…
Skills: Engineering Leadership, Project Delivery, Nuclear Engineering, System Engineering, NEC3 Contracts
Derby, England, United Kingdom · Hybrid
$51k–$67k/yr
Role: Senior Engineer – Geotechnical Locations: Hybrid working with your primary office location being which ever is closest to you: Derby, Warrington or Manchester Our mission Our mission is to deliver clean, affordable…
Skills: Geotechnical Engineering, Engineering Geology, Foundation Design, Earthworks, Retaining Walls
Derby, England, United Kingdom · Hybrid
$60k–$79k/yr
Role: Lead Engineer – Geotechnical Locations: Hybrid working with your primary office location being which ever is closest to you: Derby, Warrington or Manchester Our mission Our mission is to deliver clean, affordable e…
Skills: Geotechnical Analysis, Foundation Design, Earthworks, Retaining Structures, Ground Investigation
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Lead the development of complex process and mechanical system designs for the Reactor Island, translating high-level requirements into robust design solutions. Provide technical leadership to a small team of engineers while ensuring alignment with regulatory and safety expectations.
Requires a degree in engineering or equivalent industry experience with proven success in delivering complex system designs within nuclear or other safety-critical industries. Must possess strong skills in systems engineering principles, mechanical design, and the production of detailed technical documentation.
Hybrid – Derby, Warrington or Manchester
At Rolls-Royce SMR, we are revolutionising clean energy through the delivery of scalable, affordable nuclear power. Our mission is to provide reliable low-carbon energy that supports global net zero ambitions while driving innovation and engineering excellence at every stage of the programme.
You will join the Reactor Plant and Systems team, a multidisciplinary engineering function responsible for the design and development of the systems that underpin the Reactor Island. The team brings together expertise across mechanical, fluid and safety-critical systems, working collaboratively to develop robust, licensable, and high-performing designs.
Operating within a highly regulated environment, the team plays a critical role in progressing the programme through detailed design and regulatory approval. You will work closely with internal specialists, external partners and regulators, contributing to a collaborative culture focused on delivery, safety and continuous improvement. As a Senior Engineer, you will also provide technical leadership and support to a small team, helping to shape both design outcomes and team capability.
As a Senior Reactor System Design Engineer, you will lead the development of complex process and mechanical system designs across the Reactor Island. You will play a key role in translating high-level requirements into robust, evidence-based design solutions that meet stringent regulatory and safety expectations.
This role offers exposure to the full lifecycle of system design, from early concept development through to detailed design, substantiation and licensing support. You will contribute directly to the maturity and integration of the overall plant design, ensuring alignment with programme milestones and industry best practice while supporting the safe and efficient delivery of the Rolls-Royce SMR solution.
Lead the delivery of system design packages so that outputs are technically robust, aligned to programme requirements and delivered to agreed timescales.
Develop and manage system requirements to ensure designs are clearly defined, traceable and supported by appropriate verification and evidence.
Produce high-quality engineering documentation, including design reports, system definitions and substantiation artefacts that support safety cases and regulatory submissions.
Collaborate closely with internal teams and external stakeholders, including regulators, to resolve technical challenges and maintain programme momentum.
Identify and actively manage risks and opportunities within the design scope, ensuring effective mitigation and continuous improvement.
Apply design governance, configuration control and assurance processes to maintain consistency, quality and compliance.
Provide technical leadership and guidance to engineers, supporting capability growth and driving a high-performance team environment.
Proven experience delivering complex system design work within nuclear or another highly regulated or safety-critical industry.
A degree in an engineering or relevant technical discipline, or equivalent experience gained through industry delivery.
Strong understanding of systems engineering principles, including requirements management, integration and structured design approaches.
Practical experience in mechanical or process system design, such as fluid systems, HVAC, chemical or plant-based systems.
Confidence in producing and reviewing detailed technical documentation such as P&IDs, calculations and design substantiation reports.
Strong communication skills with the ability to engage and build credibility across multidisciplinary teams and stakeholders.
A collaborative and proactive approach, with the ability to lead technical work, solve problems and support the development of others.
This role is offered on a hybrid basis, with flexibility to be based in Derby, Warrington or Manchester. Regular on-site collaboration is expected, balanced with flexibility where possible.
What’s in It for You
We anticipate paying a salary of between £50,6500 - £66,500.00 DOE plus:-
Bonus - Performance related target opportunity 12.5%
Benefits Allowance – £2,200 per annum, enabling you to create a bespoke package
Pension - 12% employer and 6% employee contributions.
Holidays - 28 days holiday (+ public holidays) and the ability to buy or sell up to 4 days.
Private Medical Insurance - BUPA single cover health care
Life Assurance - 6x pensionable pay
£250 - One-off payment for new starters for home office purchases
You’ll be joining a rapidly growing organisation at a critical stage of its development, offering excellent opportunities for learning, professional development, and long-term career progression within a purpose-driven and innovative environment.
Inclusion & Diversity
We are an equal opportunities employer and welcome applications from all backgrounds. Inclusivity is central to our culture, and we are committed to creating a workplace where everyone feels valued, respected, and supported.
We are happy to discuss flexible working arrangements and will make reasonable workplace adjustments where required to support individuals in performing at their best.
Confidence can sometimes hold us back from applying, but there’s no such thing as a ‘perfect’ candidate. If you feel you meet around 75% of the requirements, we would love to hear from you.
We also welcome applications from individuals considering a sector move, particularly those with transferable experience from other regulated or safety-critical industries.
This role offers flexible, hybrid working, with collaboration across our key sites in Warrington, Derby and Manchester. We also support flexible and part-time working arrangements to enable a strong work-life balance
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£66,465.00
You’ll be joining a forward-thinking organisation that values transparency, fairness, and innovation. We offer:
• A flexible, inclusive, and supportive working environment.
• Opportunities for career growth in a rapidly scaling business.
• A culture that values diversity, innovation, and continuous learning.
We are an equal opportunities employer and welcome applications from all backgrounds. Inclusivity is important to us, and as a Disability Confident organisation, we are committed to fair, supportive, and continually improving recruitment practices that ensure everyone has the opportunity to thrive.
Confidence can sometimes hold us back from applying for a job. But we'll let you in on a secret: there's no such thing as a 'perfect' candidate. If you feel you meet 75% of the requirements for this role, we would love to hear from you.
Also, if you are considering a career move or a sector-jump, please get in touch – we welcome applications from people with transferable skills.
Due to the safety regulations within the nuclear industry, applicants will be required to participate in additional screening. These are:
• Obtaining Baseline Personnel Security Standard (BPSS) clearance
• Satisfactory completion of a Disclosure and Barring Service (DBS) check
• Satisfactory completion of a basic financial probity check
#LI-SZ1 #hybridworking #engineeringjobs #weareSMR
Providing clean, affordable energy for all.
Climate change and its consequences are one of the greatest challenges ever to face mankind. The global challenge around decarbonisation is huge. At Rolls-Royce SMR, our vision is simple – we want to provide clean, affordable energy for all. A new approach to delivering nuclear power Our Small Modular Reactor is an integrated power station, that takes well understood, existing nuclear technology and applies a factory-based philosophy to its fabrication and assembly. This repeatable, standardised approach generates huge efficiency gains to make it a commoditised product that is affordable, repeatable, deliverable and investable on a global scale, providing cheaper and more flexible electricity to form part of a future balanced, clean energy mix. When fully operational the Rolls-Royce SMR programme will create 40,000 regional UK jobs by 2050 and generate £54bn in economic benefit, with a forecast to target £250bn in global exports for the UK. Join us and help to provide clean, affordable energy for all
Offices: Derby, GB
There are currently 318 open energy positions in Warrington, United Kingdom listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Rolls-Royce SMR, Assystem, AECOM, Babcock International Group, Amentum, among others. Browse the listings above to see every active employer.
Yes — 245 of the 318 open energy positions offer remote or hybrid work (3 remote, 242 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
