Graduate Mechanical Engineer / Water - Belfast (Summer 2026 starts)

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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.

Start here. Grow here. 

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 nearly 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.

Our Mechanical engineering team supports clients with the management of their assets. This work can encompass everything from designing complete new build treatments works through to assessing the condition of existing plant and machinery. They play an important role in helping our clients develop new assets or improvements to existing, offering both improved performance and efficiency. 

Our mechanical water engineers examine the hydraulics of systems to calculate and specify pump systems, as well as developing plant room layouts. They ensure designs meet the required performance also providing suitable access for operators so that the equipment can be safely maintained, and develop performance specifications and schedules to define all items of equipment, whilst ensuring that they comply with the relevant client and industry standards. They also initiate control philosophies to define how a plant will operate, before collaborating with the other designers. The successful applicants will work closely with other design disciplines and stakeholders, to ensure that the design elements interface correctly, and the design fits all parties requirements. 

Job Responsibilities 

Mechanical Job responsibilities will include, but not limited to: 

• Pumping calculations and specifications. 

• Production of system schematics. 

• Production of equipment and drive schedules; 

• Production of engineering specification documents in relation to hydraulics and pump systems; 

• Working with our clients to assist them with project delivery, asset and network performance and design; 

• Production of lifting, access and maintenance plans. 

• Liaise with internal and external design teams, clients and contractors as appropriate; 

• Provision of timely reporting to both the client and internal team lead.

• BEng Mechanical Engineering (2:1 or above, or equivalent); 

• MEng in Mechanical Engineering (2:1 or above, or equivalent) would be preferred; 

• Relevant work experience would be an advantage; 

• Enthusiastic, hard-working, technically proficient, with ambition and drive; 

• Basic computer skills essential (Word/Excel) and good report writing skills beneficial. 

• Water related modules would be an advantage 

• Willing and able to work towards professional qualifications such as IET & IMechE 

• Demonstrable interest in water projects 

• Capability to satisfy client and business expectations and be able to consider the wider financial and commercial implications of their actions. 

• Communicate effectively to internal and external clients, both verbally & in writing. 

• Structure & prioritise work effectively through close cooperation with the team as a whole. 

• Ability to work independently without losing initiative & focus. 

Our Recruitment Process 

1. Submit Your Application: Complete the job application, uploading your resume, cover letter and the latest copy of your academic transcripts as one single document.
2. Online Assessment: Complete our global online strength-based assessment.
3. Phone Screen: You may be invited to a phone screen with our Early Careers Recruitment team.
4. Interview: Attend a face to face interview at your local office.

At AECOM, we review applications as they come in and will begin interviews as soon as we identify suitable candidates. We encourage you to apply as soon as possible to be considered for this opportunity.

Our Commitment 

We are embarking on our cultural journey in Aotearoa, New Zealand. We are embracing the richness of Māori and Pasifika peoples and look to share more with you throughout your recruitment journey.   

AECOM acknowledges the Traditional Owners and Custodians of the lands on which we, our clients and our communities live and work around Australia. We pay our respects to their cultures and to their Elders — past, present, and emerging. We are committed to connecting to Country in our work through meaningful engagement with First Nations peoples and businesses.  Find out more about our Australian Reconciliation Action Plan here: https://aecom.com/au/our-vision-for-reconciliation/.   

#Work180

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.

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.