Infrastructure Project Manager

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.

Our Defence & Security business supports the UK Ministry of Defence in the delivery of their capabilities and objectives via a host of frameworks, not least the Project Delivery Partner framework, which 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 is proud to support.

The framework enables our employees to traverse a range of innovative programmes and projects, which challenge them and ensure they develop their skills to the highest levels. The support structures we have in place ensure our employee welfare and career development are achieved to the highest standards.

We are seeking enthusiastic Project Managers with a strong track record of delivering infrastructure and built environment projects within the defence sector to join our expanding team. In this role, you will play a key part in supporting clients across complex, security-sensitive programmes, contributing to the planning, coordination, and execution of critical defence infrastructure initiatives.

You will bring experience operating within highly regulated environments, with a clear understanding of the governance, assurance, and delivery challenges associated with defence estates and secure facilities. Working closely with stakeholders across government and industry, you will help enable the successful delivery of strategically important programmes that underpin national capability and operational readiness.

This role requires 3 days a week on site.

• Understand, and deliver in accordance with, organisational policies, processes, and procedures.
• Support the development and assurance of business cases as part of wider approval processes.
• Analyse, develop, support, and manage the timely and cost-effective delivery of client projects, meeting business and environmental objectives.
• Influence, support, and expedite client project delivery through effective planning, monitoring, controlling, and reporting of project performance.
• Identify and effectively manage…