Completions Manager

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. People are our greatest asset, and we offer a competitive package to retain and attract the best talent. In addition to the benefits you’d expect, UK employees also receive free single medical cover and digital GP service, family-friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, plus reimbursement towards relevant professional development and memberships.

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.

The Box Encapsulation Plant project is one of the most important construction projects at the Sellafield Site, the plant will play a vital role in Sellafield’s 100-year clean-up programme by taking nuclear waste recovered from the site’s original waste plants and encasing it in concrete so it can be stored in a modern building. The plant is primarily designed to deal with waste from the Magnox Swarf Storage Silo, one of four legacy waste plants prioritised for clean-up by Sellafield Ltd’s owner, the Nuclear Decommissioning Authority (NDA). Alongside that work, the plant will also receive certain wastes from the other three legacy waste stores, the First-Generation Magnox Storage Pond, the Pile Fuel Storage Pond, and Pile Fuel Cladding Silo.

The BEP Joint Venture project will safely design and deliver a plant and the works in accordance with the requirements of the contract to enable conditioning of wastes from the various donor plants, carried out in line with the Employer’s needs and to the satisfaction of stakeholders in the Box Encapsulation Project (BEP).

About the Opportunity Roles & Responsibilities:

• Ensure Safety is the highest priority on the project, with a continued strive towards Zero Harm. Lead by example, undertaking at least one safety tour every month across project sites.
• Provide all completions resource to the Project Management led area delivery teams as required to support the safe, on time and on budget delivery of the project.
• Implement completions arrangements in compliance with Nuclear Site Licence Condition 21.
• Provide a facility hand over strategy and agree it with the JV LT and the customer.
• Development of the Completions Strategy aligned to the specific Project scope and contract model.
• Author and review of all Completions related processes and procedures and the ongoing maintenance of these required for Completions delivery on BEP JV.
• Ensure all Completions personnel adhere to the established Completions processes and procedures for the project. This includes the undertaking of scheduled audit and surveillance activities and the subsequent follow up/close out of any corrective actions raised.
• Ensure delivery teams comply with all completion’s quality management processes and procedures.
• Oversee the compilation of all Handover packs, for each handover phase, ensuring any requirements specified by the Client have been satisfied.
• Ensure Inspection & Testing and Commissioning is tracked effectively in the Project Completion and Commissioning Certification Database and meaningfully demonstrates all installed systems meet functional configuration, design intent and performance requirements.
• Implement arrangements to ensure that full and accurate records of every completion activity are retained.
• Ensure robust management information is in place to provide an accurate reporting of completions performance across the project.
• Ensuring that the System requirements of the Area Commissioning Team Leaders are accurately detailed within the Limits of System Handover (LOSH) for each planned handover.
• Liaising with the Project Commissioning and Construction Managers to ensure the Commissioning Completions requirements are aligned within the Construction schedule.
• Ensure all resource provided meets the project SQEP requirements.
• Optimise completions resources across BEP to ensure consistent delivery throughout all handover phases.
• Identify future resourcing needs and ensure that training plans and succession are aligned to the project requirements.
• Managing, supporting and developing Completions personnel, contributing to their Professional Development goals and objectives, and reviews as required.
• Manage an effective central completions team and provide completions awareness and development assistance to the wider project team.
• Provide a completions service to the Project Leadership team and their departments.
• Share learning and best practice across the completions function, incorporate learning from wider parent organisation activities and capture BEP lessons learned to support innovation.
• Implement the plant’s Completions process and Completions Management System (CMS) i.e. Go Completions and manage the interface with the associated vendor.
• Role model, hold self and others accountable for the behaviours, processes and approach that support collaborative working across BEP stakeholders.
• Actively drive progress to meet schedule deadlines.
• Support the customer in the preparation for Active Plant commissioning and Active plant operations. Ensuring the relevant Completions risks are identified early and managed / mitigated as appropriate which includes regular monitoring of any residual risks.

Interfaces:

• All members of JV Completions Team.
• All members of JV Commissioning Team.
• Members of Engineering functions both JV, Client and Vendor.
• Client Operations and Pre-Operations Team.
• Construction Area Delivery Teams.
• All other project functional support areas.
• Key suppliers & external bodies as required.

Essential Experience & Qualifications:

• Trained in the configuration and management of completions management systems.
• Preference for HNC or equivalent or route to achieve the qualification.
• Project completions management experience.
• Ability to understand technical drawings included in a typical Sybsystem Limit/LOSH packs such as EFDs, VFDs, SLDs, BCDs, MHDs and GAs.
• The ability to obtain BPSS is essential for this role.

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 www.vercida.com 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 the team.