Cost Engineer

Amentum will 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.

About the Opportunity

The Cost Engineer is to work within the Cost and Forecasting team across the HPC project following the Cost and Forecasting strategy uniformly across the project. They will work with other members of the Cost and Forecasting team supporting the implementation of Cost and Forecasting specific processes and framework. They will follow all governance arrangements for the Cost and Forecasting team providing effective reporting of Cost and Forecasting information in a timely and accurate manner.

Key Responsibilities

• Produce and maintain accurate cost and forecast data in alignment with the Cost Breakdown Structure or Work Breakdown Structure (CBS / WBS);
• Accurately maintain all Cost and Forecast data for their area of responsibility within the Cost and Forecast software system EcoSys, SAP;
• Co-ordinate and produce Cost and Forecasting reports to a defined reporting cycle, including commentary on key time-related drivers and performance issues;
• Assist in the Trend & Change process, including analysis at Project level, generating performance indicators and providing feedback on areas of risk and opportunities;
• Delivers clear and concise insights to support robust decision‑making utilising commercial and technical information to influence decisions;
• Analytical support for Senior Cost Engineers through robust analysis and interpretation of technical, financial, and performance data to facilitate prioritisation and any necessary actions;
• Ability to effectively collaborate with colleagues within and across organisational boundaries to achieve mutually successful outcomes in keeping with the HPC project values of "Humility, Positivity, Respect, Solidarity and Clarity" and culture of "Trust, Transparency and Teamwork".

Education, Experience, and Skills

• Minimum of HND or equivalent qualification in project management, project controls, engineering, or another related field;
• Experience in a Project Management environment;
• Understanding of project controls methodologies and techniques;
• High attention to detail, ensuring accuracy of outputs and validity of quality data;
• Analytical, critical thinking and problem‑solving skills;
• Demonstrable experience of working in a project controls discipline.

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 and diversity in everything we do. We know that if we are inclusive, we’re more connected, and if we are diverse, 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 centered on inclusion and diversity.

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.