Assistant Project Manager

Amentum is a global leader in engineering, project and programme management and solutions integration. Founded on programme, project, and engineering experience, combined with deep-seated specialist capabilities, Amentum has become a recognised delivery partner across major UK Government and commercial programmes.

Our Defence & Security business supports the UK Ministry of Defence in the delivery of their capability and objectives via a host of frameworks, not least the Project Delivery Partner framework that sees us delivering Project Management, Project Controls and Operational Delivery support across the land, sea, air, and corporate domains. The work we do is of international importance in ensuring our National Security and that of our allies, something our team are proud to support.

The framework enables our employees to traverse a host of innovative programmes and projects which challenges them and ensures they develop their skills to the highest levels. The support structures we have in place ensures our employee welfare and career development is achieved to the highest levels.

People are our greatest asset, and we offer a competitive package to retain and attract the best talent. In addition to the benefits you would 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 programmes which incorporate matched-funding, paid volunteering time and charitable donations.

We are looking for Assistant Project Managers with experience in infrastructure and major construction projects to join our expanding team. In this role, you will play a key supporting role in helping our clients successfully deliver highly complex programmes across the built environment. The position is primarily based in Barrow
, with a requirement to be on-site for 3 to 4 days per week, with the remainder of the week offering hybrid or remote working flexibility.

• Support the delivery of projects in accordance with organisational policies, processes, and procedures.
• Assist in the development and assurance of business cases as part of wider approval processes.
• Help translate customer requirements into defined project scopes and support scope management through effective change control.
• Contribute to the analysis, planning, and monitoring of project delivery to ensure timely and cost-effective outcomes.
• Support project performance reporting and help identify risks, issues, and opportunities.
• Assist in managing project assumptions, dependencies, and stakeholder expectations.
• Promote compliance with safety, environmental, and management procedures.
• Support the application of appropriate project delivery strategies and commercial approaches.
• Coordinate with technical, engineering, project controls, commercial, and financial teams to ensure integrated project support.
• Help maintain accurate project records and documentation.
• Contribute to continuous improvement and lessons learned initiatives.

• Some experience supporting the delivery of infrastructure or major construction projects.
• Strong organisational and communication skills, with the ability to build and maintain relationships.
• A proactive and collaborative approach to problem-solving and project delivery.
• Familiarity with project management methodologies (e.g. APM, PRINCE2, Agile).
• Educated to degree level or equivalent in a relevant subject.
• Working towards or holding an APM qualification (e.g. PFQ or PMQ) is desirable.
• An understanding of the Defence sector or experience working with Tier 1 contractors is advantageous.
• Membership of the Association for Project Management (MAPM) or similar professional body would be beneficial.

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…