Commercial 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.

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.

We are seeking a self-driven Commercial Manager to join the Turbine Contract team during an exciting phase of delivery and commercial transformation.

The role will support the delivery of the site installation scope for one of the UK's most significant energy infrastructure projects. The successful candidate will provide commercial support for one or more of the installation packages of the Arabelle Solutions scope, working closely with Project Managers, Project Controls, Planners as well as our supply chain teams in an integrated working environment to ensure effective commercial management throughout the installation phase.

This is a unique opportunity to join the project as a new commercial model is being implemented across the contract. Operating under a new contract model with hybrid elements the role offers exposure to complex commercial arrangements, collaborative contracting principles and innovative approaches to cost and performance management.

Hybrid working arrangement but attendance at site 1-2 days per week is expected.

Key Responsibilities

- Support the commercial management of one or more Tier 2 installation work packages throughout the contract lifecycle.

- Administer and manage subcontract agreements, ensuring compliance with contractual obligations and project governance requirements.

- Support the implementation and ongoing management of the contract's hybrid commercial model.

- Manage change control, processes in accordance with contractual requirements.

- Support the preparation and agreement of monthly payment and assess Disallowed Costs applicable on their Tier 2 package.

- Provide commercial support to the Senior Commercial Manager as well as to Project Managers and senior project stakeholders.

- Ensure high-quality commercial reporting and governance, including inputs into monthly project reviews and management reporting.

Experience & Qualifications

- Commercial management experience within major construction, infrastructure, energy or engineering projects.

- Proven experience considerable packages and complex supply chain interfaces.

- Strong knowledge of contract administration, change management and claims management.

- Experience of cost management, forecasting and financial reporting.

- Ability to build relationships with internal and external stakeholders, working in an integrated team environment.

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.

#ENERGY