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. 

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, plus reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program which incorporates matched-funding, paid volunteering time and charitable donations.

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 

Nuclear Power Programmes 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.

We are recruiting for a Cost Manager to provide oversight and assurance within the Cost Management framework that supports the Sizewell C governance structure, organisation and delivery model. You will ensure the adherence to the utilisation of the software applications and supporting infrastructure to ensure Cost Management is ‘Digital by Default’. 

You'll also have demonstrable experience of working within the Cost Management function in a Mega Project environment, with an in depth understanding of Cost Management principles including both scope delivered by the Supply Chain and scope delivered by the Client. Ideally, you can demonstrate previous experience of providing narrative and presentations for multiple levels in a Programme, Project or Business from Delivery Teams and Functions through to Boards and Investors, with experience of working with Executive Leadership Teams and being comfortable in deputising for the Cost Lead to co-ordinate and run Cost Steering Committees. Key responsibilities will be:

• Supporting the Cost Lead in ensuring the Cost Management function is adhering to the functional Procedures, Guidelines and Work Instructions.

• Support the Cost Lead in ad-hoc presentations, reports and insightful ‘so what’ analysis for key stakeholders to make decisions to positively affect the Projects outcome.

• Provide functional help and support to Programme teams.

• Act as First line of defence for the assurance of Cost information provided by the Programme Delivery teams, including ensuring the Cost management system is updated in line with project drumbeat.

• First escalation point for the Programme Cost Leads in relation to business-as-usual requirements.

• Help ensure cost management always has the correct context and value add to the Delivery and Project leadership.

• Support development of the Cost Management Framework and embedment and become a main interface between Cost and other functions within project controls, as well as other key stakeholders.

• Delivery and advancement of ‘Digital by Default’ for the Cost Management Function.

• Responsible for the on-time production and quality of all month end data sets and performance reports related to Cost Management.

• Accurate assessment of the Current Forecast for the Project, including impact of approved changes and Trends.

Here's What You'll Need 

• Degree or equivalent qualification in business analysis, accounting, finance, construction, engineering or project management, or related technical field.

• A track record of working as Cost Lead or Project Controls Manager on large and complex infrastructure projects.

• Mitigation-related skills underpinned by in depth understanding of project and construction methods and processes.

• Extensive experience at multiple levels of organisation including; client/operator, contactor/supplier, consultancy and government experience. 

• Experience with increasing responsibility showing an ability to manage senior stakeholders. 

• Deliverables focused and an accomplished problem solver, rising to meet any challenge. 

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.

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 at Labor Laws Posters.