Principal Mechanical Engineer

Start here. Grow here.

At AECOM, we are currently recruiting a Principal Mechanical Engineer to join our Dublin office.

Here’s what you’ll do:
AECOM is seeking an experienced and highly motivated Principal Mechanical Engineer to join our Dublin team. This leadership role will focus on the delivery of complex, high-profile projects across sectors including healthcare, commercial, education, residential, and infrastructure.

The successful candidate will play a key role in providing technical leadership, ensuring design excellence, mentoring and developing engineering teams, and supporting the continued growth of our mechanical engineering practice in Ireland.

Our projects span healthcare, data centres, commercial, hospitality, education, and civic developments, delivered for both public and private sector clients.

Key Responsibilities:

• Lead and manage the mechanical engineering team across Ireland.
• Deliver both standalone and multi-disciplinary projects across a range of sectors, including healthcare and education, with excellence.
• Act as Project Manager on mechanical-led or multi-disciplinary projects.
• Mentor and support engineers and technicians, helping them develop their skills and progress their careers.
• Build and maintain strong client relationships, while identifying new business opportunities and strengthening existing partnerships.
• Drive innovation and contribute to the successful delivery of complex engineering solutions, applying creativity and technical expertise.

Ready to push the limits of what’s possible? 

We are seeking a driven and experienced Principal Mechanical Engineer to join our team in Ireland. This is a senior leadership role suited to a professional with a strong background in mechanical building services and infrastructure design.

As the successful candidate, you will have:

A Bachelor’s degree (or higher) in Mechanical Engineering or a related discipline.
Chartered Engineer status (or working towards chartership) with a recognised professional body such as Engineers Ireland or IMechE.
Proven experience delivering mechanical engineering projects, including leading technical design and coordinating across multidisciplinary teams.
Strong leadership capabilities, with experience managing engineers and technicians to achieve project deadlines and quality standards.
Demonstrated ability to engage with senior stakeholders and build lasting professional relationships.

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 Colum Calnan.

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 ReasonableAccommodations@aecom.com  if you would like to apply through the Disability Confident Interview Scheme.

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