Framework Manager (Commissioning)

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. About the Opportunity We employ the UK's most experienced and skilled technical services professionals and has grown to over 8,000 people in locations across the UK - we provide the resources to turn great ideas into reality, and we offer capable and committed individuals the opportunity to shape their careers how they wish. Hinkley Point C (HPC) is the first new nuclear power station to be built in the UK in over 20 years, HPCs two EPR reactors will be capable of generating 3.26GW of secure, low carbon electricity for 60 years, enough electricity to power around 6 million homes. In addition to the projects ‘clean energy’ benefits, HPC will create thousands of jobs and bring lasting benefits to the UK economy. Amentum currently has an opportunity for a Framework Manager (Commissioning) to support the Commissioning Alliance at Hinkley Point C. The Framework Manager (Commissioning) will be responsible for overseeing the effective delivery and governance of a contract that supplies embedded resources into the Commissioning Alliance at Hinkley Point C. This role ensures that the framework supporting the deployment, integration, and performance management of embedded personnel is robust, consistent, and aligned with the strategic objectives of Amentum, the Commissioning Alliance and Hinkley Point C. The role will be based on site at Hinkley Point C at least 3 days a week. Key Responsibilities Lead the delivery and strategic management of the Commissioning Alliance framework, ensuring the effective integration, deployment, and performance of commissioning personnel across major projects Provide technical and operational leadership to embedded commissioning teams, ensuring alignment with commissioning strategies, project milestones, safety requirements, and client objectives Act as the senior interface between Amentum, Alliance partners, and the client, building trusted relationships and influencing key commissioning, delivery, and business decisions Drive excellence in commissioning delivery through effective resource planning, workforce capability development, succession planning, and deployment strategies Ensure commissioning activities are executed in accordance with project procedures, nuclear safety standards, quality expectations, and regulatory requirements Lead framework governance processes, ensuring compliance with contractual obligations, Business Management Systems (BMS), and alliance performance requirements Identify and implement continuous improvement initiatives that enhance commissioning performance, delivery efficiency, collaboration, and commercial outcomes Support commissioning readiness, assurance activities, audits, operational reviews, and stage-gate assessments to ensure successful project execution Champion a strong safety culture, promoting high standards of human performance, nuclear professionalism, and operational excellence throughout the framework Provide leadership, coaching, and development to commissioning personnel, fostering a high-performing and engaged workforce Leadership & Business Responsibilities Deliver framework growth, profitability, and performance targets in line with the annual business plan Own the quarterly and annual KPI assessment process, maximising incentive payments through strong operational performance and continuous improvement delivery Develop and maintain strategic commissioning workforce plans to meet current and future client demand Chair Quarterly Steering Committee meetings on behalf of the Commissioning Alliance, ensuring strategic objectives, risks, opportunities, and performance commitments remain on track Lead engagement with senior client stakeholders, promoting the value of the Commissioning Alliance and identifying opportunities for business growth and service expansion Manage framework financial performance, including revenue forecasting, resource utilisation, recruitment planning, and cost control Ensure effective recruitment, retention, and succession planning of commissioning talent to support long-term framework growth and sustainability Drive collaboration across alliance partners to create a unified, high-performing commissioning organisation focused on project success Produce and present performance reports, business updates, and strategic insights to senior leadership teams and key client stakeholders Qualifications, Skills & Experience Experience managing frameworks or contracts involving embedded or seconded personnel in large-scale infrastructure or energy projects Experience in Construction, ideally large infrastructure projects Strong understanding of commissioning processes, alliance delivery models, and collaborative working environments Excellent stakeholder engagement and communication skills Proven ability to manage documentation, compliance, and performance reporting Experience working in regulated environments, ideally within nuclear, energy, or major infrastructure sectors Understanding of NEC contracts and alliance principles. Project or programme management qualifications (e.g., APM, MSP, Lean) 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 the team.