Principal Mechanical Engineer - Data Centres

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.

AECOM is seeking a Principal Mechanical Engineer to join our Buildings & Places sector, specializing in data centre design and delivery.

As a technical leader and ambassador for AECOM's data centre practice, you'll represent our expertise across the EMEA region and contribute to our global network. You'll lead mechanical engineering projects within multidisciplinary teams, drawing on your proven experience delivering complex data centre facilities for leading technology clients.

This is a strategic role created in response to our sustained growth in the Technology and Data Centre sector. You'll be instrumental in strengthening AECOM's position as a trusted partner in the Hyperscale and Co-location markets, both regionally and globally. Your contributions will extend beyond project delivery to include thought leadership and shaping our sector's strategic direction.

The Opportunity

Working from either our London, Manchester, Belfast or Plymouth office on a hybrid basis, you'll join a dynamic team experiencing significant expansion. This role offers the chance to develop your career with a company that delivers both specialist and integrated multidisciplinary solutions to data centre clients.

We're looking for someone with:

• Extensive technical delivery experience on data centre projects for technology firms
• A proven track record of successful project delivery as a Principal Engineer
• The ability to lead technical teams and collaborate across geographies
• Ambition to contribute to thought leadership and strategic growth

Qualifications

Here’s what we’re looking for:

• Chartered Engineer or Architect (or equivalent professional qualification).
• Extensive experience in data centre design and/or project management.
• Proven experience in leading multi-disciplinary teams on complex data centre projects.
• Strong understanding of permitting processes, building systems, regulations, and construction methodologies.
• Ability to manage multiple projects and meet tight deadlines in a dynamic environment.
• Willingness to travel as required. 
• Excellent communication, interpersonal, and presentation skills.
• Working knowledge of Revit and digital design workflows.
• A clear work history and proof of professional development and learning. 

• Degree in Architecture, Mechanical or Electrical Engineering or related field.
• Uptime Institute Accredited Tier Designer or Accredited Tier Professional.

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.