Role
Design Engineer – Heat Exchangers
Location
Hybrid working with one of the following locations as primary: Derby, Warrington or Manchester.
Our Mission
Our mission is to deliver clean, affordable energy for all. Our Small Modular Reactor (SMR) provides a British solution to a global energy challenge. We are in pole position to become a world leader in SMRs and the UK’s premier green export technology.
The Team
The Heat Exchangers team sits within the Plant Equipment function, part of the wider Components & Mechanical Equipment organisation. The team is responsible for delivering the design, development, and technical maturity of heat exchanger systems across the SMR power station.
We will be working across multiple UK locations and with multidisciplinary stakeholders including systems, manufacturing, supply chain, and analysis teams to deliver complex engineering solutions.
The team is currently focused on supporting critical programme milestones including Generic Design Assessment (GDA), Reference Design development, and future Design Acceptance Reviews.
The Role
We are looking for a Design Engineer – Heat Exchangers to report to the Manager – Heat Exchangers. You will play a key role in the design and development of multiple heat exchanger systems across the SMR plant, contributing to both generic design development and site‑specific adaptations.
You will support the maturity, integration, and delivery of heat exchanger designs, working within a structured governance and quality framework to meet challenging programme, technical, and regulatory requirements.
What We’ll Need You To Do
* Deliver the design and development of heat exchanger systems across the SMR power station
* Contribute to requirements capture, equipment selection, and thermal/mechanical sizing
* Support lifecycle activities including manufacture, verification, and safety case inputs
* Work to established governance, standards, and quality processes
* Collaborate with multidisciplinary teams across the organisation
* Support programme delivery, including key milestones such as Reference Design Contribute to cost and value engineering activities
* Engage with internal and external stakeholders
* Resolve technical challenges and balance competing requirements
* Demonstrate flexibility and contribute across the engineering lifecycle
What You’ll Bring
* Degree in Mechanical Engineering or related discipline
* Experience in heat exchanger or similar equipment design
* Strong preference for mechanical design experience
* Knowledge of relevant codes and standards (ASME, TEMA, EN13445, PED/PSSR)
* Experience with tools such as HTRI, Aspen EDR, or similar (desirable)
* Awareness of CFD methods (advantageous)
* Strong stakeholder engagement and communication skills
* Demonstratable experience in a similar role
Location & Ways of working
This role offers flexible and hybrid working arrangements. You will be expected to attend a UK office location as required to support collaboration, stakeholder engagement, and programme delivery.
What’s In It For You
* Salary between £42,000 – £52,500 DOE
* 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 ability to buy/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
Selection Process
* Baseline Personnel Security Standard (BPSS) clearance
* Disclosure and Barring Service (DBS) check
* Basic financial probity checks
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.
We also welcome applications from individuals considering a sector move, particularly those with transferable experience from other regulated or safety‑critical industries.
Pay Range
£42,000.00 – £55,125.00
Why Join Us?
* 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
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