Fire Engineer

Overview

As a Fire Engineer in Assystem’s Nuclear Safety & Environment team, you will contribute to fire safety design and assessments for large UK nuclear new-build projects. You’ll work with safety, systems, civil, and layout teams to develop fire protection strategies and ensure compliance with nuclear and UK fire regulations. Your analysis will influence design decisions, safety cases, and regulatory commitments, helping to safeguard critical facilities. This role combines multidisciplinary collaboration with hands-on modelling and reporting to drive safer, compliant outcomes in a complex energy landscape.

Pay / Benefits

• Hybrid Working
• Flexible working hours
• Pension scheme (8% company contribution / 4% personal contribution)
• 25 days’ paid annual leave + bank holidays + option to buy or sell days
• Professional fees reimbursed
• Employee referral scheme

Responsibilities

• Conduct fire safety studies and assessments for Nuclear Island buildings
• Analyse combustible materials and evaluate fire risks within designated plant areas
• Perform fire modelling and temperature evolution calculations using specialist software (e.g. MAGIC) to assess fire consequences and propagation risks
• Evaluate the potential impact of fire on safety-critical systems and identify common cause failure risks
• Provide technical fire engineering support to systems, layout and design teams
• Support design modifications and assess their impact on existing fire studies and safety cases
• Undertake regulatory assessments relating to fire and life safety requirements
• Develop and recommend fire prevention and protection solutions
• Prepare and deliver technical reports and documentation in line with project quality standards and programme requirements
• Participate in technical committees, task forces and design reviews, representing the Fire Engineering and Nuclear Safety disciplines as required

Key requirements

• A degree in Fire Engineering, Mechanical Engineering, Nuclear Engineering or a related discipline
• Experience in fire safety engineering, risk assessment or safety case development within a highly regulated industry
• Knowledge of ETC-F (EPR Technical Code for Fire) would be appreciated
• Experience and knowledge of UK Fire Regulations including BS9999
• Ability to propose fire protection and detection solutions
• Strong analytical and problem-solving skills, with the ability to assess complex technical issues
• Experience working within multidisciplinary engineering teams
• Excellent communication and stakeholder management skills
• Experience within the nuclear sector or other safety-critical industries would be advantageous

• Strong communication
• Stakeholder management
• Analytical thinking
• Fire engineering
• Risk assessment
• Fire modelling

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