Junior 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 programme which incorporates matched‑funding, paid volunteering time and charitable donations.

About the Opportunity: We employ the UK's most experienced and skilled technical services professionals and have 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. HPC's 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.

Key Responsibilities:

• Support the drafting of engineering modification responses under supervision, ensuring alignment with project standards and expectations across stakeholders.
• Engage directly with construction teams to maintain visibility of programme drivers and incorporate emerging site priorities into technical planning.
• Coordinate and contribute to the delivery of SFS workshops, capturing outputs and ensuring actions are closed efficiently across disciplines.
• Maintain Technical Branch coordination of the Standard Field Solutions (SFS) information, driving resolution progress and ensuring alignment with field conditions.
• Collate and synthesise technical information from multiple sources to support standardisation and issue resolution.
• Contribute to process documentation activities, helping to identify inefficiencies and embed continuous improvement practices.
• Take responsibility for developing and maintaining PowerBI dashboards used to monitor resolution activity and inform governance reporting.
• Facilitate learning sessions and multi‑disciplinary reviews, ensuring knowledge transfer is captured and disseminated effectively.
• Assist in the creation and improvement of procedural documentation and insight responses to reflect lessons learned and support quality delivery.
• Own and manage updates to the JDO SharePoint site, keeping content current, accessible, and engaging for the project team.
• Coordinate technical resolution actions across disciplines, ensuring timely updates to action trackers and proactively following up on overdue items to support efficient issue closure.
• Operate within established JDO governance and reporting lines, supporting the broader objectives of the Technical Resolution function under the direction of the Transverse Technical Manager.

Education, Experience and Skills:

• Degree (or equivalent) in Engineering or other Science.
• Demonstrable evidence of problem solving and stakeholder management.
• Strong communication skills in English.
• Previous experience working in the Nuclear Industry.
• Experience of working on a construction site.

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. 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, please contact the team.