Mechanical Commissioning Engineer - Nuclear Fuel Handling

Assystem; Wedmore; Hybrid; GBP 60,000 - 90,000; Full time

Benefits offered by this job

Hybrid Working

25 Days Annual Leave

Buy & Sell Holiday

8% Company Pension Contributions

Income Protection & 3x Salary Death-in

Competitive Sick Pay

Healthcare Cash Plan

Free Digital Gym Access

Exclusive Discounts

24/7 Employee Support Line

Cycle to Work Scheme

Free Flu Jabs & Eye Test Vouchers

Paid Professional Membership Fees

Volunteer Days

Job summary

Assystem in the United Kingdom is seeking a Senior Commissioning Engineer to lead the commissioning of radioactive waste systems on a major nuclear project near Bridgwater.

You will drive technical leadership, develop commissioning procedures and test documentation, supervise on-site contractor teams, review designs for operability and prepare reports confirming system readiness while ensuring nuclear safety and regulatory compliance.

Qualifications

• Degree or HNC/HND in Mechanical, Nuclear, Process or Power Engineering.
• Strong knowledge of mechanical systems in industrial environments.
• Experience commissioning large industrial or power generation systems.
• Nuclear sector experience preferred, especially Nuclear Island systems.
• Experience developing commissioning procedures and test documentation.
• Knowledge of nuclear safety requirements and regulatory compliance.
• Strong understanding of commissioning methodologies and system validation.
• Excellent communication and stakeholder management abilities.
• Strong planning, coordination and organisational skills.
• Fluent English communication skills, written and verbal.

Responsibilities

• Develop commissioning documentation supporting testing and system validation activities
• Manage full commissioning lifecycle for multiple radioactive waste systems
• Review plant designs to optimise commissioning and operational readiness
• Lead commissioning test programmes and analyse commissioning results
• Supervise contractor commissioning personnel during on-site activities
• Produce reports demonstrating system readiness and commissioning outcomes
• Collaborate with designers, contractors and operational stakeholders
• Ensure compliance with nuclear safety and regulatory requirements
• Support commissioning planning, milestones and project delivery objectives
• Maintain safe and effective interfaces throughout commissioning activities

Skills

Mechanical systems

Nuclear experience

Commissioning procedures

Test documentation

Safety compliance

Stakeholder management

Planning & coordination

English fluent

Education

Engineering degree

Job description

Job Description

This role supports major nuclear programmes and is ideally suited to candidates within commuting distance of Bridgwater or those willing to relocate with relocation support available.

You will lead commissioning activities for critical radioactive waste systems across a major nuclear project.

The role combines commissioning delivery, technical leadership and stakeholder engagement throughout project lifecycle phases.

Develop commissioning documentation supporting testing and system validation activities
Manage full commissioning lifecycle for multiple radioactive waste systems
Review plant designs to optimise commissioning and operational readiness
Lead commissioning test programmes and analyse commissioning results
Supervise contractor commissioning personnel during on-site activities
Produce reports demonstrating system readiness and commissioning outcomes
Collaborate with designers, contractors and operational stakeholders
Ensure compliance with nuclear safety and regulatory requirements
Support commissioning planning, milestones and project delivery objectives
Maintain safe and effective interfaces throughout commissioning activities

Qualifications

Degree, HNC/HND in Mechanical, Nuclear, Process or Power Engineering
Strong knowledge of mechanical systems within industrial environments
Experience commissioning large industrial or power generation systems
Nuclear sector experience, particularly Nuclear Island systems preferred
Experience developing commissioning procedures and test documentation
Knowledge of nuclear safety requirements and regulatory compliance
Strong understanding of commissioning methodologies and system validation
Excellent communication and stakeholder management capabilities
Strong planning, coordination and organisational skills
Fluent English communication skills, written and verbal

Additional Information

What we offer

• Hybrid Working – Flexibility to work from home and the office
• 25 Days Annual Leave + Bank Holidays
• Buy & Sell Holiday – Make your time off work for you
• 8% Company Pension Contributions
• Income Protection & 3x Salary Death-in-Service Cover
• Competitive Sick Pay – Support when you need it
• Healthcare Cash Plan – Claim back on dental, optical & more
• Free Digital Gym Access – Expert-led fitness classes
• Exclusive Discounts – Restaurants, days out & top brands
• 24/7 Employee Support Line – Mental health, financial & legal help
• Cycle to Work Scheme – Save money & go green
• Free Flu Jabs & Eye Test Vouchers
• Paid Professional Membership Fees
• Volunteer Days – Make a difference on company time

Join Assystem and contribute to delivering sustainable and innovative engineering solutions for the Hinkley Point C project.

NOTICE TO CANDIDATES ON RECRUITMENT FRAUD - We are committed to safeguarding candidates from fraudulent activity associated with our recruitment process. Please note that we will never offer specialist CV writing services, request payment or ask for sensitive personal information during the recruitment process.

We are committed to equal treatment of candidates and promote, as well as foster all forms of diversity within our company. We believe that bringing together people with different backgrounds and perspectives is essential for creating innovative and impactful solutions. Skills, talent, and our people’s ability to dare are the only things that matter !. Bring your unique contributions and help us shape the future.