Workstream Lead

Company: Amentum

Location:

Posted: May 8th, 2026

About the Opportunity

The Decommissioning Alliance (TDA) is a strategic partnership, operating within the DNWP framework and delivering critical decommissioning work at Sellafield, including the UK’s most challenging Legacy Ponds facilities.

As a key partner within DNWP, TDA contributes to Sellafield Ltd.’s mission while ensuring communities, supply chains, and stakeholders benefit from meaningful, measurable Social Value outcomes.

The Role

TDA now has an exciting opportunity for a Workstream Lead who will be required to oversee Senior Project Managers and Project Managers required to deliver the high profile and critical scope of SHOP in legacy ponds.

As a Workstream Lead some of your responsibilities could include:

As a Workstream Lead, you will already have:

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.

Our values are built on a strong foundation of safety, integrity, and respect for every individual. We are a culture of care and collaboration. 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 may not meet all listed requirements for a role and welcome those seeking flexible working.

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.

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