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Amentum

Technical Development Advisor

OCONUS-UK-Warrington

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hirly's read of this role

Seniority
Mid level
Country
GB
Work mode
On-site / unstated
First seen by hirly
16 Oct 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

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.

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. 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.

The Opportun ity

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.

PPP is an exciting model to work in with Four world class organisations who have come together as one team, to create a clean and safe environment for future generations. The programme arrangement is set to deliver ~£7bn worth of major projects creating a lasting legacy through the long-term partnerships.

We are continually recruiting high value expertise from across regulated and comparable sectors to work in a collaborative environment. PPP is continually delivering major projects over the next couple of decades, so there are lots of opportunities to develop your careers with a leading multinational company that put people first.

The Role

amentum currently have an opportunity for a Technology Development Advisor to join the SIXEP Waste Management Treatment Facility (SWMTF) project, based in Birchwood, Warrington. SWMTF is a pipeline project approaching the Appraise and Select phase. It is scheduled to be built and commissioned in the early 2040s and is expected to treat various waste streams from the Sellafield SIXEP and SCP plants for several decades once operational.

As a Technology Development Advisor your responsibilities could include:

  • Liaising with internal team members to gain a detailed understanding of SWMTF’s technology development requirements.
  • Liaising with external R&D contractors to understand their testing and development capabilities.
  • Defining and producing technical documents and reports for physical Trials and desktop studies.
  • Defining and producing test matrices for the collection of adequate technical data.
  • Contributing towards internal documents as part of SWMTF’s technical development strategy.
  • Supporting testing activities where required at various test facilities on behalf of PPP as the Client.
  • Reviewing technical deliverables, including method statements, HAZOP outputs, drawings and test reports. This may involve organising and collating the review output of other disciplines.
  • Providing technical information to management and commercial stakeholders, as required.
  • Attending and contributing to design reviews and HAZOPs

.

As a Technology Development Advisor you will already have:

  • Degree qualified in Chemical, Mechanical, Process Engineering or equivalent.
  • Experience working within an R&D environment.
  • A knowledge of Process or Mechanical Design Health, Safety and Environmental (DHSE) issues and knowledge of key regulations (e.g. DSEAR, CDM, COMAH).
  • Ability to work within process, mechanical and technical multi-discipline teams.
  • Experience working within a highly regulated Industry

Our Cultur e

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. 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.

Original posting on Amentum's site ↗

Listed on hirly, a job board. hirly is not the employer: Amentum is hiring for this role.

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