Project Manager (Defence Infrastructure)

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 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 Management professional with experience delivering complex Defence 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.

The Role

As a Project Manager (Defence Infrastructure) you will be joining an established programme and project management team within AECOM’s Defence business. You will support 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.

Key Responsibilities

• Support and where suitable lead the successful delivery of Defence infrastructure projects through all RIBA stages, ensuring compliance with DIO, JSP, and MOD approvals frameworks.

• Provide project support to 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.

Minimum Requirements

• Proven experience in project management, ideally under MOD, DIO, or Crown commercial frameworks.

• Working knowledge of NEC3/NEC4 contracts, ideally with accreditation or equivalent experience as Project Manager.

• Demonstrated experience supporting complex multi-disciplinary teams and 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.

• Confident client-facing capability with the ability to develop trusted relationships.

• Eligible for, or holding, UK Security Clearance or higher and sole UK national.

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 in Project Management, Engineering, Construction, or related discipline.

• Professional qualification such as MAPM, MRICS, MCIOB, or equivalent, with evidence of CPD and leadership in the profession, or actively working towards.

• Understanding of MOD governance processes (e.g. Approvals, RIBA, Business Case, Security Accreditation).

• Project Management qualification (e.g. APMQ, PRINCE2).

• 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.