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 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.
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.
The Project
The SIXEP Continuity Plant (SCP), being delivered by the Programme and Project Partners (PPP) at Sellafield, will ensure the site’s existing Site Ion Exchange Effluent Plant (SIXEP) facility can continue its vital work for decades to come.
The newbuild SCP facility will play a vital part in Sellafield’s purpose to create a clean and safe environment for future generations. Once operational SCP will ensure the nuclear site will have continued availability to treat and make safe the effluent created by risk reduction activities.
The Role
Due to continuing work SCP are now looking to recruit an EC&I E3D/PDMS Designer to join the team in Birchwood.
As an EC&I E3D/PDMS Designer you will be responsible for:
1. Design of installable CE&I cable route infrastructure / plant layouts that can be safely installed and subsequently populated with cables.
2. Producing and understanding a range of electrical deliverables such as control schematics, single line diagrams, cable block diagrams, cable schedules, lighting and small power circuits, earthing schemes etc.
3. Input into instrument hook-ups and loop diagrams.
4. Ensuring all relevant standards, instructions and specifications are applied.
5. Interfacing with other disciplines to ensure optimised design.
6. Checking of other designers’ deliverables.
As an EC&I E3D/PDMS Designer you will already be:
7. An experienced E3D/PDMS user, particularly in CE&I aspects including the production of automated drawings from the 3D model.
8. Have experience of CE&I design working within a highly regulated industry.
9. Be fully conversant with UK Statutory Regulations and industry guides and standards.
10. PDMS, Navisworks Freedom Viewer, AutoCAD, Microsoft Office suite of programmes.
11. CAESAR/Aveva experience.
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 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
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 .