At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding cto 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 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.  

For our team in Birchwood Park, Warrington we are seeking a Mechanical Engineer.

The Project
The SNM Value Stream has a key dependency on the Special Nuclear Materials Analytical Project (SNMAP) to provide SNM analytical capability. SNMAP is responsible for the strip out and repurposing of an existing analytical laboratory on the Sellafield site. This includes the integration of new complex analytical equipment into existing nuclear containment, and the installation of new nuclear containments including associated plant and equipment within the existing laboratory. 

The Role
As a Mechanical Engineer your responsibilities will include

• Produce engineering deliverables that provide a fit for purpose integrated solution which meets specified requirements, including validation and verification, and that preserve the engineering intent and align with the plant configuration as appropriate. 

• Deliver a safe fit for purpose, fully integrated and operable engineering solution that meets product requirements. 

• Support the Responsible Engineer in the definition and execution of product verification activities. 

• Ensure that work complies with all necessary corporate, departmental and legislative requirements and procedures, to guarantee that the necessary consistency and quality of delivery is maintained. 

• Develop own engineering experience and skills, moving towards the capability to move to a more senior role and towards professional qualification. 

• Coordinate and deliver Mechanical design tasks (designs, assessments, drawings, and reports), checking and approving the output. 

Requirements

• Degree qualified in Mechanical Engineering or equivalent (e.g. HNC/HND with significant experience) in engineering discipline

• Attained/ or working towards chartered or incorporated status with a recognised professional body (e.g. IMechE) 

• Experience of highly regulated environments would be advantageous

• Familiarity with CE Marking, CDM, PUWER, LOLER, PED, Machinery’s Directive

• Experience in the use of Auto desk inventor

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.

When we embrace different perspectives and work together, we become more innovative, more agile, and more successful.