Senior Mechanical Building Services Engineer

Well 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 youd 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. Were 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.

The Project

The Sellafield Product & Residue Store (SPRS) Retreatment Plant (SRP) Project will provide a facility that receives Special Nuclear Material (SNM) from existing stores across the Sellafield site and processes it into a form suitable for safe and secure storage until 2120.

The Role

To support the delivery of the SRP Project we are seeking a Senior Mechanical Building Services Engineer to join the design team based in Warrington.

The SRP Project is currently in the Construction phase which incorporates procurement manufacture works test installation and commissioning. This role is required to provide both design support activities to the supply chain along with completion of outstanding design scope from earlier project phases.

As a Senior Mechanical Building Services Engineer your responsibilities could include:

• Managing and directing designers in delivery of HVAC nuclear containment systems to include plant and equipment drawings and documents (e.g. Ventilation Flow Diagrams/ Basis of Design/ Schedules/ Specifications).

• Prioritising work to support manufacturing.

• Experience and working knowledge of plant layout set up installation and alignment of plant and equipment for works testing and site installation.

• Interaction with multi-discipline engineers to ensure complete multi-disciplinary design interactions/interfaces are addressed.

• Experience in providing support to resolution of manufacturing inspection and test Technical Queries/production permits/concessions

As a Senior Mechanical Building Services Engineer you will already have:

• Experience in the use of AutoCAD

• Experience in production and checking of Design justification reports (DJRs)

• Retrieval of information from DM desktop and other record management systems

• Experience in designing in a nuclear/highly regulated environment

• Experience and working knowledge of CDM SoMSR PUWER & LOLER

• Experience with Pipenet software

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 were more connected and if we are diverse were 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 youre 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.

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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 atLabor Laws Posters.