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About Amentum
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 and diverse 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
- 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
The Cost Manager will join the Project Management Office (PMO), reporting to the Cost Lead, and play a key role in delivering accurate and timely cost performance information across the programme. Working within an integrated project controls team, you will support effective cost management, forecasting and earned value analysis to ensure robust performance reporting against the project baseline.
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You will be responsible for:
- Analysing programme cost data
- Supporting budget and forecast updates
- Tracking actual costs
- Ensuring accurate reporting of EAC, ETC and cost performance metrics
Working closely with Project Controls, Commercial and Finance teams, you will provide valuable insights that support informed decision-making and successful project delivery.
Key Responsibilities
- Support the implementation of cost management systems, processes and reporting tools.
- Monitor and analyse programme cost performance, including Earned Value Management (EVM).
- Support project teams with cost forecasting, EAC, ETC and actual cost reporting.
- Track costs against approved budgets and cost breakdown structures.
- Support cost re-baselining, budget updates and forecasting activities.
- Analyse change requests and ensure cost data is accurately coded and aligned to budgets.
- Work collaboratively with Commercial and Finance teams to ensure accurate accruals and contract cost reporting.
- Provide user support and guidance on cost management systems and tools.
Here's What You'll Need:
- Experience in cost management within major programmes or large-scale infrastructure projects.
- Strong understanding of cost control, forecasting, cost analysis and Earned Value Management.
- Experience using cost management systems such as PRISM, EcoSys or Cobra.
- Advanced Excel and Microsoft Office skills.
- Strong analytical, problem-solving and communication skills.
- Degree-qualified (or equivalent) in a relevant discipline.
Desirable:
- Knowledge of engineering, procurement, contracts and construction delivery.
- Experience within engineering, infrastructure, energy or nuclear environments.
- Membership of a relevant professional body.
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This is an excellent opportunity to contribute to the successful delivery of a nationally significant project while developing your career within a leading Project Controls team.
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 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.
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