Principal Mechanical Engineer

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. We are looking for an enthusiastic and suitably experienced Principal Mechanical Engineer, being client focused is an essential attribute and you will be able to demonstrate solid experience of working in a design capacity and good working knowledge of building services installations. Working as part of a team you will be expected to manage your own work, undertake details design to the required standards and to maintain excellent levels of client service. About Us: AECOM plays a critical role in the conceptualisation and creation of amazing spaces, delivering projects and buildings that define skylines and communities. AECOM Buildings & Places is made up of dedicated teams delivering projects in Commercial, Residential, Retail, Industrial, Hospitality, Sports Venues, Work Places, Education, Government and Healthcare. We are friendly, busy and motivated with an established track record of successfully delivering local and overseas projects. Some of our flagship work in recent years include; Stratford Cross, Lansdowne House and 10 Dock and multiple major hyperscale Data Centre projects in the Nordics, Iberia and South America. About Our Team: You will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed. You will help foster a culture of equality, diversity and inclusion -safe and respectful workplace, where we invite everyone to bring their whole selves to work using unique talents, backgrounds and expertise to created transformational outcomes of our clients. Job Responsibilities: At AECOM we will support your personal and professional development so that you grow with the company, for this role we believe your starting point is: To take a key role representing AECOM on MEP projects leading your own discipline and also managing engineers of a complementary discipline Able to work using their own initiative with minimal supervision on all technical aspects of their discipline or have specific specialist experience applicable to the role. Complete detailed designs and supervise the work of others in this function. Demonstrate good attention to detail and show pride in the work produced. Have an ability to inspire confidence both internally and externally, and then use this to strengthen client relationships. To mentor and assist with the development of junior engineers Manage time on projects to suit deadlines and complete their assigned tasks as stipulated by AECOM project manager. Where they are the AECOM project manager, co-ordinate the tasks so all deadlines are met and allocate resource appropriately and to manage and control project finance. To have a strong interest in or experience using digital and parametric design tools. We seek engineers that fit with our culture and have experience working digitally by coding, working in IESVE. You will need to be from a consultancy or client organisation with the ability to design and delivery of Building Services projects. Minimum Requirements: Relevant experience in design and delivery of projects within the consulting industry Work experience within a similar consultancy or other relevant business Excellent communication skills in written and spoken English, able to inspire, influence and negotiate. Ability to make decisions, act on own initiative and operate in a pro-active way Experience of seeing conceptual designs through to completion and dealing directly with clients Excellent report writing skills, experience of making presentations and attending meetings with clients. Preferred Qualifications: Being a qualified Engineer having a proven and demonstrable track record in their discipline Having a CIBSE/IET/IMechE Engineering Council accredited honours degree, or a HNC in an applicable discipline with commitment to continue with higher education. To have achieved or working towards IEng or CEng status At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment. 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.