BB02JP00003340 – Lead Commissioning Engineer

7 days ago

Sellafield, United Kingdom Certain Advantage Full time

Lead Commissioning Engineer – Major UK Infrastructure Project
Location: Cumbria
Contract Type: 10 month contract 
Sector: Nuclear Decommissioning & Clean Energy
Rates: Negotiable (DOE) 

Join a landmark UK infrastructure project that’s at the forefront of environmental clean-up and safe waste management. This large-scale programme plays a pivotal role in transforming one of the nation’s most complex industrial sites, ensuring legacy materials are processed and stored safely for generations to come.

As Lead Commissioning Engineer, you will be instrumental in guiding the project from construction into operational readiness, leading commissioning activities, managing technical teams, and ensuring safety remains at the heart of every decision.

Key Responsibilities:

Act as a role model for safety, ensuring a proactive approach to nuclear, radiological, conventional, and environmental protection.
Lead and mentor a team of Commissioning Engineers and Technicians.
Oversee all testing activities across all stages of commissioning.
Supervise production of commissioning test documentation and coordinate resources effectively.
Liaise with regulatory compliance representatives to facilitate timely witnessing of commissioning activities.
Manage commissioning aids, documentation, and data recording in line with test requirements.
Utilise completions management systems to oversee commissioning workflows and handovers.
Collaborate closely with engineering teams in multidisciplinary design reviews.
Drive continuous improvement and ensure commissioning progress meets key schedule milestones.Skills & Experience Required:

Time-served or qualified in an engineering discipline (mechanical background preferred).
HNC or equivalent (or working towards qualification).
Proven experience in project commissioning, ideally within process systems, vessels, and pumps.
Strong organisational and scheduling skills.
Experience working on major infrastructure, energy, or nuclear projects is highly desirable.This is a career-defining opportunity to contribute to a nationally significant programme, working with a highly skilled and safety-focused team.

If you are interested and keen to find out more, please apply now with your updated CV and reach out to Tom Johnson at Certain Advantage

  • Mechanicial Commissioning Engineer

    1 week ago

    Sellafield, Cumbria, United Kingdom Evolve Technical Recruitment Full time £40,000 - £80,000 per year

    Job DescriptionMechanical Commissioning Engineer – Sellafield The Mechanical Commissioning Engineer reporting to the Commissioning Team Leader, carries out a role to undertake delivery of assigned commissioning tasks in a safe and effective manner, in line with commissioning process requirements. This role is specific to candidates with experience in...

  • Mechanical Commissioning Technician

    1 week ago

    Sellafield, Cumbria, United Kingdom Evolve Technical Recruitment Full time £35,000 - £55,000 per year

    Job DescriptionMechanical Commissioning Technician – Sellafield The Commissioning Technician reports to the Commissioning Engineer. The Commissioning Technician will not have commissioning personnel reporting to him. The Commissioning Technician is responsible for:Ensuring Safety is the highest priority on the project with a continued strive towards...

  • Mechanical Commissioning Technician

    5 days ago

    Sellafield, United Kingdom Certain Advantage Full time

    Mechanical Commissioning Technician – Major UK Infrastructure Project Location: Cumbria Contract: 4 months (Likely extension thereafter)  Rate: Negotiable (DOE)  Sector: Nuclear Decommissioning & Clean Energy A nationally significant environmental engineering programme is seeking a Mechanical Commissioning Technician to join the team delivering...

  • EC&I Commissioning Technician

    5 days ago

    Sellafield, United Kingdom Certain Advantage Full time

    EC&I Commissioning Technician – Major UK Infrastructure Project Location: Cumbria Contract: 10 months  Rate: Negotiable (DOE)  Sector: Nuclear Decommissioning & Clean Energy An exciting opportunity has arisen for an EC&I Commissioning Technician to join a nationally significant infrastructure project delivering one of the UK’s most complex...

  • Commissioning Team Leader

    7 days ago

    Sellafield, United Kingdom Jacobs Full time

    **Your Impact**: At Jacobs, we'll inspire and empower you to deliver your best work so you can evolve, grow and succeed - today and into tomorrow. With more than 55,000 people in 40+ countries, working at Jacobs offers an exciting range of opportunities to develop your career within a supportive and diverse team who always strive to do the right thing for...

  • Site Engineering Graduate Programme 2026

    2 weeks ago

    Sellafield, Cumbria, United Kingdom Sellafield Ltd Full time

    Site Engineering Graduate Programme 2026 – Your Future. Our Legacy.Are you ready to start your career somewhere that you can make an impact from the very start of your career? At Sellafield Ltd, we're not just offering you a job – we're offering you the chance to be a part of one of the UK's most significant missions.Sellafield is the only site in the...

  • Project Controls Lead

    1 week ago

    Sellafield, United Kingdom National Nuclear Laboratory Full time

    Job Introduction Job Description for Project Controls Lead: Management Authority, you’ll play a critical role in managing projects that deliver nuclear science to benefit society. Your project management skills and attention to detail will enable industry-leading scientists, engineers and analysts to work together to deliver unique projects using cutting...

  • Site Engineering Industrial Placement Programme 2026

    2 weeks ago

    Sellafield, Cumbria, United Kingdom Sellafield Ltd Full time

    Site Engineering Industrial Placement Programme 2026 – Decades of opportunity. One powerful start.Looking for a placement where you'll really feel valued? At Sellafield Ltd, you'll be a part of one of the UK's most significant missions – safely managing the nation's nuclear legacy and building a cleaner, safer future.With decades of projects ahead, this...

  • Project Controls Lead

    1 week ago

    Sellafield, United Kingdom National Nuclear Laboratory Full time

    Job IntroductionJob Description for Project Controls Lead: Management Authority, you’ll play a critical role in managing projects that deliver nuclear science to benefit society. Your project management skills and attention to detail will enable industry-leading scientists, engineers and analysts to work together to deliver unique projects using cutting...

  • Cost Engineer

    3 days ago

    Sellafield, United Kingdom Millbank Holdings Full time

    Do you have proven experience managing cost control on major civil engineering or infrastructure projects? Are you confident using cost management systems and producing detailed cost reports for high-value projects? The Opportunity Are you ready to play a key role in one of the UK’s most significant nuclear infrastructure projects? Due to major investment...