Senior Project Manager (Defence Infrastructure)

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There has never been a better time to be at AECOM. With 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 Project Manager or Senior Project Manager with experience delivering infrastructure projects within Defence or similarly regulated environments? AECOM’s Defence team is growing across the East Midlands and Anglia region, and we are seeking Project Managers and Senior Project Managers to support a strong pipeline of secured and upcoming work across some of the UK’s most critical and high-profile programmes, supporting the Armed Forces across the UK and overseas.

Current and upcoming projects include major infrastructure programmes at RAF Brize Norton and RAF Lakenheath, alongside wider opportunities through the CCS2 framework. This provides exposure to both UK MOD and US Visiting Forces environments across design and construction.

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 the Armed Forces have the facilities required to operate effectively and safely.

The Role

As a Project Manager / Senior Project Manager (Defence Infrastructure), you will play a key role in delivering complex infrastructure projects across the Defence estate.

You will take ownership of projects or defined work packages across the full RIBA lifecycle, from early-stage development through to construction and handover.

Working within multi-disciplinary teams, you will manage NEC contracts (PSC and ECC), engage directly with DIO and end users, and drive delivery to programme, cost, and quality requirements.

Key Responsibilities

• Lead the delivery of Defence infrastructure projects or defined work packages across all RIBA stages
• Act as NEC Project Manager or Client Representative, managing contractual processes and commercial positions
• Interface directly with DIO, TLBs, site users, and contractors in live operational environments
• Manage programme, cost, and risk, ensuring robust project controls are maintained
• Build and maintain strong client relationships across multiple stakeholders
• Support and mentor junior team members, contributing to team capability and growth
• Ensure compliance with MOD governance, approvals processes, and security requirements

Minimum Requirements

• Experience delivering infrastructure projects, ideally within MOD, DIO, or similarly regulated environments
• Strong working knowledge of NEC3/NEC4 contracts (PSC and/or ECC)
• Experience working within multi-disciplinary teams across design and construction
• Ability to manage stakeholders across client, contractor, and end-user groups
• Strong communication and organisational skills
• Eligible for UK Security Clearance (SC or higher)

Why Join AECOM Defence?
You will be joining a growing team with a strong secured pipeline, offering the opportunity to take real ownership of projects, develop client relationships, and progress within a high-performing Defence environment.

Enjoy the Perks.

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 to ensure a work-life balance that suits your lifestyle, technical practice networks, AECOM University, and volunteering days.

Ready to push the limits of what’s possible?

Here’s what we’re looking for:

• Degree qualified in a relevant discipline (or equivalent experience)
• Working towards or holding a professional qualification (MAPM, MRICS, MCIOB or equivalent)
• Understanding of MOD governance processes (e.g. Approvals, RIBA, Business Case, Security Accreditation).
• APMQ, PRINCE2 or equivalent (desirable)
• Experience working on projects under Government, MOD or DIO frameworks.

Interested in the role or curious about life at AECOM? Follow us on LinkedIn, Facebook, Instagram, and YouTube to explore our AECOM voices, employee stories, latest projects, and much more!

For further information about the role, reach out to the recruiter on LinkedIn Ben Green. 

About AECOM

AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $16.1 billion in fiscal year 2025. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.

Freedom to Grow in a World of Opportunity 

You will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

AECOM provides a wide array of compensation, benefits and well-being programs to meet the diverse needs of our employees and their families. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too.

Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.

We are a Disability Confident Employer and will offer an interview to applicants who have a disability or long-term condition, who meet the minimum/essential criteria for the role. Please let us know using this email address [email protected]  if you would like to apply through the Disability Confident Interview Scheme.

All your information will be kept confidential according to EEO guidelines.