Senior Project Manager; Defence Construction Consultancy

Company Description

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world's most complex challenges and build legacies for future generations.

There has never been a better time to be h accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Start Here. Grow Here.

Are you a Senior Project Management professional with experience delivering complex Defence construction and infrastructure projects? AECOM's Defence team is growing, and we are seeking talented individuals to help deliver some of the UK's most critical and high-profile programmes supporting the Armed Forces at home and overseas.

Our work spans the full Defence estate, from accommodation, training, and operational facilities to secure technology, aviation, and specialist infrastructure. As part of our integrated delivery team, you will help shape, plan, and deliver projects that directly support UK Defence capability, ensuring our Armed Forces have the facilities they need to operate effectively and safely.

As a Senior Project Manager (Defence Construction) you will be joining an established programme and project management team within AECOM's Defence business. You will lead multi‑disciplinary teams delivering projects across the full RIBA lifecycle, from early concept and feasibility through design, procurement, construction, and handover.

The role involves managing NEC contracts (PSC and ECC), ensuring compliance with MOD and DIO governance frameworks, and working closely with client stakeholders, consultants, and contractors to deliver assured, value‑driven outcomes.

• Lead the successful delivery of Defence construction and infrastructure projects through all RIBA stages, ensuring compliance with DIO, JSP, and MOD approvals frameworks.
• Provide project leadership and management of multidisciplinary teams to deliver within programme, budget, and quality expectations.
• Act as NEC Project Manager or Client Representative, providing clear contract and commercial management.
• Develop and maintain effective working relationships with DIO, TLBs, and site users, fostering collaboration across multiple organisations.
• Support the development of junior project managers, graduates, and apprentices through mentoring and on‑the‑job learning.
• Ensure projects align with sustainability, security, and safety requirements, reflecting AECOM's and the MOD's governance standards.
• Contribute to business development by supporting bids, proposals, and client engagement activities within the Defence sector.

• Proven experience in project management, ideally under MOD, DIO, or Crown commercial frameworks.
• Strong working knowledge of NEC3/NEC4 contracts, ideally with accreditation or equivalent experience as Project Manager.
• Demonstrated experience leading complex multi‑disciplinary teams and managing design and construction delivery.
• Excellent communication, stakeholder management, and organisational skills.
• Proficient in modern project management and digital tools, including MS Project and collaborative delivery platforms.
• Strong client‑facing capability with the ability to develop trusted relationships.
• Eligible for, or holding, UK Security Clearance or higher and sole UK national.

At AECOM, you'll enjoy a range of core and personalised benefits designed to support your future and well‑being, customised to fit your lifestyle. Take advantage of career development opportunities, our flexible hybrid working model…