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!

As a Systems Design Engineer –Sampling System Design , you will join Derby/ Warrington team to support our activities within the Nuclear sector. 

Systems Design Engineer, you will join ALTEN’s Nuclear team to support activities within the Nuclear sector, focusing on the Reactor Island Sampling Systems. You will play a key role in progressing the system design to Final Concept Definition (DR3 maturity), working closely with chemistry, systems, and multi-disciplinary engineering teams.

• Location: Remote with occasional visit to site either in Derby/ Warrington
• On Site: N/A
• Clearance: BPSS and subject to export control rules 
• Experience Level: 5- 10 YOE 

Key Responsibilities:

• Lead the design of Reactor Island Sampling Systems in line with Final Concept Definition requirements (DR3).
• Liaise closely with the Chemistry team and key interfacing stakeholders to define, allocate and manage system requirements.
• Present design maturity, decisions and risks to the Design Manager and Chief Design Engineer.
• Produce the full DR3 design documentation pack, including: System Description, P&IDs, Functional Bill of Materials (FBoM), Requirements documentation.
• Complete key design decisions and preliminary sizing calculations, including fluid flow and pressure drop assessments.
• Engage with transversal teams to ensure Design considerations are incorporated (commissioning, operability, through-life activities and maintainability).
• Identify, manage and reduce design uncertainties during concept development.

Required Skills:

• Strong understanding of process engineering principles.
• Experience progressing concept and preliminary system designs in a regulated engineering environment.
• Experience performing pressure drop, fluid flow and component sizing calculations.
• Ability to manage design interfaces and collaborate across multiple engineering disciplines.

Required Qualifications:

• A Bachelor’s or Master’s degree in Chemical Engineering, Process Engineering or equivalent military experience

Desirable Skills:

• Interest or background in chemistry and sampling methods.
• Experience in nuclear or other safety-critical industries.
• Familiarity with gated design review processes and systems engineering methodologies.

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. 

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.