Reactor System Design Engineer Nuclear

ALTEN; East Midlands; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading engineering firm in the UK is seeking a Reactor System Design Engineer to innovate and support the design of advanced reactor systems for energy projects. The candidate will utilize their chemical engineering expertise to create safe and efficient system architectures. Responsibilities include leading design studies, integrating multidisciplinary inputs, and managing system requirements, with opportunities for career development and competitive compensation.

Benefits

Private Medical & Travel Insurance

Pension Scheme

Cycle-to-work Scheme

Flexible working options

Social atmosphere and team gatherings

Qualifications

• Proven experience in chemical process design and system integration.
• Strong understanding of heat exchangers and hazard management.
• Excellent analytical and problem-solving skills.

Responsibilities

• Lead system design and optioneering studies.
• Integrate lessons learned from industry into system solutions.
• Define and manage system requirements for reactor architecture.

Skills

Chemical Engineering

Fluid Systems

Problem-solving

Systems Integration

Analytical skills

Education

Degree in Chemical Engineering or related discipline

Tools

IBM DOORS

Job description

What will you be doing

ALTEN UK is seeking a Reactor System Design Engineer to support the design and integration of advanced reactor systems for major nuclear and clean energy programmes.

You will combine your chemical engineering expertise with systems-level thinking to develop efficient safe and innovative system architectures for next-generation power stations.

Your main responsibilities will be :

• Lead and support system design and optioneering studies assessing and comparing design options through structured decision-making methods (e.g. PUGH matrices).
• Develop optimised chemical and fluid system concepts balancing performance safety and maintainability.
• Integrate lessons learned and best practices from industry to deliver robust innovative solutions.
• Define and manage system requirements to ensure alignment with overall reactor architecture and project objectives.
• Use and maintain requirements management tools such as IBM DOORS.
• Bring together multidisciplinary inputs including mechanical control and safety engineering to deliver a fully functional safe and efficient system design.
• Apply expertise in fluid flow heat exchangers and service condition control to optimise performance and safety.
• Support detailed analysis and design of fluid handling systems ensuring correct operation under various process and environmental conditions.
• Execute practical design tasks such as relocating and optimising heat exchangers and defining service integration and control measures.
• Understand and assess both internal and external hazards ensuring that design solutions meet safety and operational requirements.
• Evaluate how operating conditions affect system performance and interactions across the reactor architecture.
• Contribute to hazard reviews risk assessments and design substantiation activities.

You are...

• A chemical system or process design engineer with a systems mindset and strong analytical approach.
• Collaborative able to work across engineering disciplines to deliver integrated design solutions.
• Curious and innovative driven to improve performance and sustainability.
• Confident using structured decision-making methods to guide complex design development.

Qualifications

• Degree (or higher) in Chemical Engineering Process Engineering mechanical engineering system engineering or related discipline.
• Proven experience in chemical process design system optioneering and system integration.
• Strong understanding of fluid systems heat exchangers and hazard management.
• Experience in requirements management and use of IBM DOORS (desirable).
• Excellent analytical and problem-solving skills capable of applying structured engineering methods.
• Knowledge of system architecture safety integration and multi-discipline coordination.

Desirable :

• Experience within nuclear energy or process industry environments.
• Familiarity with systems engineering standards and requirements traceability.
• Exposure to hazard analysis HAZOP or risk assessment processes.

Additional Information

Why join us

We foster a community of dually talented individuals who are both entrepreneurs and technology specialists. Our teams embody the spirit of innovation and entrepreneurship enabling us to develop solutions most efficiently.

Our commitment to sustainable growth is unwavering and we continuously strive for accelerated transformation and continuous improvement. Through ALTEN labs mentoring programs internal universities and more we are always pushing boundaries and embracing new possibilities.

We offer incredible opportunities to join inspiring projects in the most innovative companies.

We prioritise your career development with personalised support plans tailored to your own aspirations. Were here to empower you and help you reach your full potential.

Join our passionate team and start building tomorrow today!

In short you get :

• A personalised career path and a rewarding management style
• A chance to work on the most exciting engineering projects and technologies along with Premium Customers
• A huge diversity of engineering projects and industries
• A competitive salary
• Private Medical & Travel Insurance
• Pension Scheme
• Cycle-to-work Scheme among many additional benefits
• Social atmosphere regular gatherings and team buildings
• Flexible way of working (role dependent)

Remote Work : No

Employment Type : Full-time

Key Skills

Anti Money Laundering,Actuarial,Cafe,Council,Fabrication,Bid Management

Experience : years

Vacancy : 1