At HDR, our employee-owners are fully engaged in creating a welcoming environment where each of us is valued and respected, a place where everyone is empowered to bring their authentic selves and novel ideas to work every day. As we foster a culture of inclusion throughout our company and within our communities, we constantly ask ourselves: What is our impact on the world?

Watch Our Story:' https://www.hdrinc.com/our-story'

Each and every role throughout our organisation makes a difference in our ability to change the world for the better. Read further to learn how you could help make great things possible not only in your community, but around the world.

We believe building engineering is more than systems and structures, it’s about powering progress and enabling innovation. As part of HDR’s Building Engineering Services Group, you’ll help design the critical infrastructure that supports the digital age and shapes the spaces where people work, connect, and thrive. From high-performance data centres driving the future of AI to dynamic commercial environments, your work will directly support technological advancement, sustainability, and human experience. We bring together mechanical, electrical, structural, and civil engineering experts to solve complex design challenges with precision, creativity, and collaboration. Whether you're optimizing energy efficiency, integrating resilient systems, or engineering the backbone of next-generation facilities, your contributions will help define the future of the built environment. This isn’t just a job, it’s a chance to lead innovation, engineer impact, and build a legacy of excellence.

As a Mechanical Engineer you will be part of an organisation that is 100-percent employee owned, that supports and creates many opportunities for you to advance, succeed and fulfil your career aspirations. You will have the opportunity to work with engineering teams to create detailed designs, plans, and specifications from concept to completion.

About You

We are looking for someone who is personable self-starter with the ability to project a positive ‘can do’ professional attitude at all times maintaining good working relationships. Someone who enjoys working collaboratively across disciplines being able to establish excellent working rapport within the team, business and with clients, with the ability to work under pressure, handle a varied workload and keep to tight deadlines whilst maintaining the highest level of technical excellence.

Responsibilities

In the role of Mechanical Engineer, we'll count on you to:

Agree design duties with your Project Manager and Office Principal / Team Leaders.
Carry out engineering concept design through to detailed design
Liaise with the design team to co-ordinate detailed designs and agree manufacturers and samples.
Maintain good client and design team relationships to achieve high levels of satisfaction and repeat business.
Assist colleagues with identifying and implementing your personal training/CPD requirements. Help develop working practices in the Company.
Implement and manage tasks in accordance with QA systems and company procedures on all projects (our systems are certified to ISO9001 and ISO14001).
Assist with CAD resource requirements.

Skills And Experience

BEng, MSc or equivalent qualification in Mechanical Engineering, Building Services or relevant subject
Experience in mechanical design for commercial and infrastructure projects, minimum 3yrs’ industry experience.
Design Coordination with other stakeholders & disciplines
Experience of mechanical systems, HVAC engineering and multiples levels of resilience including cooling, ventilation, humidification, fuel oil and flue systems.
Large scale chilled water and adiabatic cooling systems experience.
Good knowledge and use of appropriate project and design analysis software.
Skills in project managing on-going jobs with limited supervision are desirable.
Competency in MS Word, Excel, Outlook & PowerPoint.

What We Believe

HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.

Our Commitment

As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.

Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.

Primary Location:United Kingdom-England-London Other Locations:United Kingdom-England-Croydon, United Kingdom-Scotland-Glasgow, United Kingdom-England-Manchester Industry:Building Engineering Schedule:Full-time Employee Status:Regular BusinessClass:Building Mechanical Job Posting:Sep 14, 2026

At HDR, we are committed to the principles of employment equity. We are an Affirmative Action and Equal Opportunity Employer (https://www.hdrinc.com/equal-employment-opportunity-employer). We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.

HDR

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