Commissioning Engineer (Mechanical or Process)

Shape the future of nuclear energy by leading critical commissioning activities on some of the UK’s most ambitious infrastructure projects.
 
This is a rare opportunity to join a forward-thinking engineering environment where your expertise will directly impact major nuclear programmes. You will play a key role in delivering safe, high-quality systems while developing your career in a highly collaborative and innovation-driven setting. If you are motivated by complex challenges and meaningful work, this role offers both technical depth and long-term progression.
 
 
Key Responsibilities
 

• Lead commissioning activities across assigned mechanical or process systems
• Develop commissioning documentation, including test procedures and validation plans
• Contribute to design reviews to ensure efficient system commissioning
• Plan and manage commissioning test programmes
• Execute on-site commissioning safely and effectively
• Analyse results and produce detailed technical reports
• Ensure compliance with nuclear and environmental regulations
• Collaborate with multidisciplinary teams across engineering and operations
• Act as SME for allocated systems, driving technical excellence

 
 
Qualifications & Requirements
 

• Degree, HNC or equivalent in an engineering discipline
• Proven commissioning experience (mechanical or process)
• Background in highly regulated industries (nuclear, oil and gas, utilities)
• Strong understanding of process system testing
• Knowledge of power station or reactor designs (EPR/PWR desirable)
• Experience with radioactive waste or nuclear systems preferred
• Strong safety and quality focus
• Excellent communication and stakeholder engagement skills
• Ability to interpret and present complex technical data

 
 
What’s in it for you?

The nuclear energy sector offers long-term stability, cutting-edge innovation, and the chance to contribute to global sustainability. With increasing investment and technological advancement, it is an industry that rewards expertise and ambition.

• Competitive salary and benefits package
• Strong career progression opportunities
• Job security in a growing sector
• Exposure to major infrastructure projects
• Hybrid and flexible working options
• Professional development and paid memberships
• Private medical cover and wellbeing support
• Enhanced family-friendly benefits

 
 
Company Overview

Our Client is a global leader in advanced engineering and technology solutions, delivering complex projects across science, security, and sustainability. With a strong culture rooted in integrity, collaboration, and innovation, they empower their people to push boundaries and achieve meaningful outcomes. Their commitment to professional growth, wellbeing, and inclusive working ensures every individual can thrive and make a lasting impact.
 
 
Interested?
 
Please call the office on 01502 564892 and ask for Emily, equally you can email your CV to emily@peoplewithenergy.co.uk