Amentum
FEED Area Engineering Manager
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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 are 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 Role
Amentum is seeking an experienced FEED Area Engineering Manager to support the Design Services Alliance (DSA) at Sellafield. This role sits within the Front End Engineering Design (FEED) phase of major nuclear programmes and is responsible for leading multidisciplinary engineering teams in the development of technically robust, safe, and deliverable engineering solutions from project conception through to Gate 2 / Single Preferred Solution.
Working across a portfolio of projects, you will provide engineering leadership from initial opportunity identification, through requirements capture, optioneering, and engineering definition, ensuring projects are sufficiently mature to transition into detailed design and delivery. You will act as the engineering focal point for your allocated programmes, bringing together engineering disciplines, safety, operations, and stakeholders to develop solutions that are technically sound, deliverable, and aligned with programme objectives.
This will be a hybrid position with Sellafield site attendance as required.
Key Responsibilities
- Engineering Leadership
- Lead multidisciplinary engineering teams through FEED activities across multiple projects.
- Define and mature engineering scope from initial concept through Gate 2.
- Develop engineering strategies aligned to programme and business objectives.
- Ensure engineering solutions are safe, legally compliant, proportionate, and fit for purpose.
- Lead engineering integration across all engineering disciplines.
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Project Definition
- Lead the engineering activities required to develop projects including:
- Scope definition
- Requirements management
- Functional specification development
- Engineering option development
- Value Management
- Optioneering
- Technology Readiness Level (TRL) assessments
- Engineering substantiation
- Delivery strategy development
- Develop projects to the level of maturity required for transition into detailed design and project delivery. This reflects the Gate 0–2 mobilisation activities identified in the client role specification.
- Lead the engineering activities required to develop projects including:
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Stakeholder Management
- Work collaboratively with:
- Sellafield Programme teams
- Project Engineering Managers
- Safety Case teams
- Operations
- Construction
- Commissioning
- Technical Authorities
- Subject Matter Experts
- Facilitate engineering decision-making and build consensus around preferred technical solutions.
- Work collaboratively with:
Essential Experience
We're looking for candidates who can demonstrate:
- Significant engineering leadership experience within a highly regulated industry.
- Proven experience leading multidisciplinary engineering teams.
- Experience delivering Front End Engineering Design (FEED), concept, feasibility, appraisal, or optioneering phases of major capital projects.
- Experience developing engineering requirements and translating them into deliverable engineering solutions.
- Strong understanding of engineering governance and design assurance.
- Experience managing engineering scope, cost, schedule, and technical risk.
- Strong stakeholder management skills with the ability to influence senior technical and programme stakeholders.
- Experience working within integrated engineering teams.
- Degree in Engineering or equivalent.
- Chartered Engineer (or working towards).
- Membership of a recognised professional institution.
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.
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Thank you for continued interest in employment with Amentum.
For more than 100 years, Amentum has tackled the world’s toughest challenges to deliver agile and steadfast solutions to the U.S. government and its allies. With more than 50,000 employees on all seven continents and in more than 60 countries, Amentum delivers a broad range of operational support services to meet the critical needs of our clients. Our headquarters are in Chantilly, VA. Find us online at https://www.amentum.com/
If you need a reasonable accommodation for any part of the employment process, please contact us by email at TAOps@amentum.com and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis.
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Amentum has become aware of unauthorized individuals who are falsely using the Amentum name and /or logo in an attempt to solicit fees from potential job seekers. These deceptive and unauthorized individuals are soliciting money, promising placement in a position with Amentum. Please note any communication requesting any amount of money in exchange for employment with Amentum is fraudulent. These communications do not originate from Amentum and are not associated with the recruitment process. Amentum and its affiliates never charge candidates fees or payments of any kind in order to secure employment. As a precaution, we recommend you do not disclose personal or financial details to anyone as a response to an unsolicited email, social media, or dating website request. Amentum will never ask for a placement fee or any other fee to expedite the hiring process. If you are contacted by anyone offering employment with Amentum, you should never be asked to pay a fee for recruiting. Amentum personnel will always send email from an identifiable corporate account (ending in @amentum.com) and never from a public email account like Yahoo!, Google, Gmail, or Hotmail. If you are contacted regarding a fraudulent employment proposal, we encourage you to alert your local law enforcement agency/police authority.
To read more about Amentum’s commitment to ethics, please click here.
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