CE&I Commissioning Engineer

At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and want to be part of a community that values ethical excellence, this is the place where your ambition can thrive. Here, we believe that success comes from continuously pushing boundaries and working together to deliver on our promises. We embrace challenges with confidence and are dedicated to creating a secure and vibrant future for all. We’ll inspire and empower you to deliver your best work so you can evolve, grow and succeed – today and into tomorrow. We offer an exciting range of opportunities to develop your career within a supportive team who always strive to do the right thing for our people, clients and communities. Work-life balance and flexibility is a key focus area for us. We’re happy to discuss hybrid, part-time and flexible working hours, patterns and locations to suit you and our business. About the Opportunity We are currently seeking a talented CE&I Commissioning Engineer to join us to support delivery of projects for our client in the Reading area. Candidates must either be already DV cleared or be able to secure DV clearance and be a sole British National (no dual nationality allowed due to client restrictions.) The CE&I Commissioning Engineer will support the project commissioning manager and in delivery of projects through the whole project lifecycle. Design, FAT, CE&I construction phase and the commissioning preparation and execution phases. Key Responsibilities Ensure Safety is the highest priority on the project with a continued strive towards Zero Harm. You will ensure that you are a role model for all aspects of safety, ensuring a proactive approach to nuclear, radiological, conventional and environmental safety Ensure all commissioning arrangements conform to Site License conditions through IPC and ISC Manage execution of the arrangements for controlling, witnessing, recording and assessing the results of commissioning tests for both IPC and ISC ensuring that all commissioning activities are recorded and managed via the project completions management system Provide support to the Commissioning Manager in planning, coordinating and directing the System Commissioning activities Write and produce test plans and commissioning test documents and technical documents communicating System Commissioning and Asset Management plans, guidance and instructions Assist in developing the System Commissioning Plan and methodologies; provide review and coordination of Contractor submittals ensuring that input to other project processes are incorporated, for example, design, HAZOP, risk, contract, estimating and knowledge management This position will develop plans and manage tasks within the System Commissioning scope of work, which will be further detailed in the Plant test schedule, system Commissioning Plan and the System Acceptance Plan. Here's What You'll Need: Significant commissioning experience in a similar role for either the nuclear industry or another highly regulated industry Experience with completions management systems Preferred HNC/HND in Engineering related subject Sole British Nationality (no dual nationality due to client restrictions) Ability and willingness to obtain DV security clearance. Our Culture Our values are built on a strong foundation of safety, integrity, and respect for every individual. People are at the heart of our mission, and we believe in supporting one another through a culture of care and collaboration. We strive to create a workplace where everyone feels they belong and can thrive. Supporting mental wellbeing and fostering a sense of connection are essential to how we work. When we embrace different perspectives and work together, we become more innovative, more agile, and more successful. We partner with VERCIDA, for greater online accessibility please visit to view and access our roles. As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact