Senior Supply Chain Manager

Senior Supply Chain Manager page is loaded Senior Supply Chain Manager Apply remote type Hybrid locations UK-Leiston time type Full time posted on Posted Yesterday time left to apply End Date: August 15, 2025 (5 days left to apply) job requisition id R

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 diversity, and 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. If you're ready to join a team that values your unique perspective and is committed to your safety, well-being, and professional growth.

About the Opportunity

Nuclear Power Programmes is one of the newest Business Units and has been formed with the vision to support positive change and help shape the future of Nuclear Power.

Operational throughout the UK and across continental Europe, we are seeking to expand our team on a variety of nuclear projects, which range in technologies and that find themselves at different stages of their development. To do this, we are seeking to continuously employ talented individuals to join our diverse team that are excited about nuclear projects and are committed to Net Zero, and Energy Security.

In both client facing and internal roles we are delivering major programme and project management capabilities throughout the project lifecycle. We are driving to deliver safe, high quality and to time solutions by thinking innovatively and working collaboratively.

Sizewell C (SZC) will be a next-of-a-kind nuclear power plant in Suffolk, England using the same technology and design as the Hinkley Point C (HPC) nuclear power plant under construction in Somerset. The Supply Chain directorate for SZC is now looking to establish its team of Supply Chain professionals responsible for the procurement/negotiation and subsequent commercial management of SZC's main construction contracts. The construction contracts are categorised by Programme and are broadly: Equipment, Conventional Island, Nuclear Island, MEH, Main Civil Works and Enabling Works.

This role relates to the Nuclear Island and Conventional Island programmes and therefore this role would suit an individual with a technical/engineering background. Due to the current phase of the Sizewell C Project (contract formation activity is starting), for the right individual this is a progressive role and this means there is scope for role growth, key responsibilities:

• Having at all times the knowledge and being responsible for the regular reporting of topics including: contract scope of work/services; schedule; prices and rates; key personnel; and incentive arrangements.
• Managing the contract commercial relationship and at all times providing support to the Project Manager to ensure effective delivery of the contract.
• Contributing to procurement and contracting strategies that meet the overall SZC Project objectives.
• Managing and tracking a procurement against the overall Integrated Work Schedule (IWS) milestones to meet stakeholder and SZC Project requirements and keeping the procurement on schedule.
• Undertaking correct administration of 'vendor assessment' and information exchange via procurement electronic portal tools.
• Invitation to tender preparation and tender evaluation assessing technical and commercial compliance.
• Managing formation activities across technical, programme, legal and commercial disciplines.
• Support to the budget process and analysing the commercial requirements of a contract.
• support to the Commercial Lead in ensuring all internal governance approval is in place to enable timely Contract Award.
• Managing contracts in accordance with the contract terms, SZC governance requirements and SZC Project objectives to achieve a successful close.
• Ensuring compatibility and alignment with other SZC Project contracts.
• Administration of commercial management tools including, but not limited to, CEMAR and SAP.
• In the closeout phase the Senior Commercial Manager will have responsibility and accountability for managing the close out of each contract and identifying and recording commercial lessons learnt.

Here's What You'll Need

• Member of RICS/ICE/CICES/IOB or equivalent professional body.
• Proven ability of working within a complex major project/programme environment in both procurement and post-procurement phases.
• Evidence of successfully undertaking complex procurements and of administering contracts.
• Effective Management and Leadership skills, with clear knowledge of best practice contract methodologies in the UK environment.
• Honed commercial skills and demonstrable ability to make sound decisions on complex matters (considering technical and commercial topics) of high financial value.
• Good understanding of procurement, contract performance measurement, risk management and change and claim management.
• Negotiating, influencing and communication skills.
• Experience of working in a dynamic environment with multiple stakeholders.
• Standard forms of contract (NEC and FIDIC) within the power/construction industry on complex major projects/programmes.

Our Culture

Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business, and we genuinely believe that we all succeed by supporting one another through our culture of caring. We value positive mental health and a sense of belonging for all employees.

We aim to embed inclusion in everything we do. We know that if we are inclusive, we're more connected, and we're more creative. We accept people for who they are, regardless of age, disability, gender identity, gender expression, marital status, mental health, race, faith or belief, sexual orientation, socioeconomic background, and whether you're pregnant or on family leave. This is reflected in our wide range of Global Employee Networks.

We partner with VERCIDA to help us attract and retain diverse talent. 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.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language atLabor Laws Posters .