 
        
        Lead Mechanical Engineer – Amentum
Join to apply for the Lead Mechanical Engineer role at 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.
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
Amentum is the Design and Engineering partner for Sellafield under the PPP (Programme and Project Partners). This is a 20‑year arrangement to deliver £7bn of major projects. We are looking to recruit high-value expertise from across regulated and comparable sectors to work in a collaborative environment. PPP is delivering major projects, site‑wide improvements and provision of supporting services.
About the Project
The Box Encapsulation Plant Product Store (BEPPS2) is a PPP Major Project to design and construct a new mechanical handling waste storage facility that will safely store waste packages for many years to come. The project status is currently at detailed design.
BEPPS2 now has an exciting opportunity to recruit a Lead Mechanical Engineer to lead a team of Engineers in the delivery of projects to time, cost and quality.
Responsibilities
 * Lead a team of discipline engineers in the implementation and delivery of specified functional work that achieves safety, functional, legislative and business requirements.
 * Set the assurance strategy ensuring correct stakeholder buy‑in at the correct time including all required design reviews, assistance reviews and any other assurance activities.
 * Carry out effective and proportionate risk management and assurance activities including functional engineering or design capability reviews, especially in relation to design changes which carry significant financial, technical, design or programme risk.
 * Collaborate with the other disciplines and construction team to find solutions to interface issues and make appropriate compromises for the benefit of project delivery.
 * Lead a range of suppliers to ensure outsourced design can be fully integrated with all the systems.
 * Ensure that SQEP competent resources are used to prepare, check and approve design work packages.
Qualifications and Experience
As a Lead Mechanical Engineer you will already have:
 * Qualified Chartered Engineer
 * At least 8 years of experience in relevant project design work
 * Experience of detailed design phase and manufacturing design phase
 * Experience in leading a team and mentoring junior engineers
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.
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.
Equal Opportunity Statement
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.
Seniority Level
Mid‑Senior level
Employment Type
Full‑time
Job Function
Engineering and Information Technology
Industries
Defense and Space Manufacturing
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