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 ready to join a team of talented engineers and shape the future of water infrastructure? Join our dynamic and multidisciplinary Water Engineering team as a Senior/Principal Mechanical Engineer in our rapidly growing Belfast, Dublin, or Cork offices, while taking advantage of our flexible hybrid working model.

At AECOM, we’re at the forefront of innovation, delivering an exceptional portfolio of water programs and projects through long-term partnerships with key clients. These include major water companies such as Uisce Éireann, Northern Ireland Water, Severn Trent Water, Thames Water, Wessex Water, Tier 1 Contractors, and international projects.

In this role, you'll be involved in all aspects of water utility projects, encompassing both wastewater and potable water schemes, primarily under key client long-term frameworks. You'll support our clients by optimizing existing Mechanical assets to deliver efficient solutions.

This position offers an unparalleled opportunity to join a talented, diverse team committed to innovation and efficiency.

Here’s what you’ll do:

• Produce feasibility studies, outline design, detailed design, and provide construction support.
• Liaise and collaborate with our water and other discipline teams, including civil, electrical, process, and mechanical engineers nationwide.
• Deliver high-quality technical outputs, contribute to bids, and interface with clients and collaborators in design and planning.
• Ensure projects meet agreed budgets, timelines, and quality standards, and assist in preparing project budgets and schedules.
• Design mechanical installations, typically including municipal water and wastewater pumping stations, screens, grit removal plants, penstocks, valves, odor control systems, and pipework.
• Conduct site visits to perform surveys and support liaisons with clients, contractors, and suppliers.
• Produce plant layouts, technical specifications, Wimes datasheets, valve schedules, equipment schedules, lifting strategies, and P&IDs.
• Create pumping station designs, headloss calculations, and pumping system analysis/pump selection.

If you're passionate about innovation and turning bold ideas into reality, AECOM welcomes you. Join our team, where we don't just construct infrastructure but also uplift communities and enhance lives. Why not give our AECOM Water page on LinkedIn a follow to stay updated on the impactful projects we're working on and see firsthand the difference we're making in the industry!

Come grow with us.

Become part of our dynamic Water business, which boasts around 670 experts across the UK & Ireland, including 15 specialists across the Wastewater team in Ireland. Collaborate with top-tier civil, mechanical, electrical, and process engineers to deliver a variety of captivating projects, from small initiatives to large-scale ventures, all the way from concept to completion.  At AECOM, you’ll thrive in an inclusive and forward-thinking environment where your contributions are valued.

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:

• A degree or equivalent in mechanical engineering.
• Chartered Engineer Status (or approaching chartered status) with a relevant professional institution, such as IET.
• Proven ability to produce, check, and approve engineering reports, designs, drawings, technical specifications, and calculations.
• Experience in leading and mentoring a team of engineers and technicians, including line management responsibilities.
• Extensive experience in water and wastewater projects across feasibility, outline design, detailed design, and construction support.

We celebrate diversity, including neurodiversity, and believe it enriches our team. We welcome applications from all backgrounds and abilities. If you are an applicant with a disability that requires reasonable accommodation to complete the application process, please contact us at [email protected]. At AECOM, we value everyone's unique contributions and perspectives.

If you meet some of the requirements above or have transferable skills you believe would benefit us, we would be delighted to hear from you!

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 - Katie Scales. 

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 $14.4 billion in fiscal year 2023. 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.

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