Mechanical Engineer

HDR; Croydon; On-site; GBP 50,000 - 70,000; Full time

Job summary

HDR is seeking a Mechanical Engineer to design complete mechanical systems and HVAC solutions for data centre projects. You will collaborate with multiple engineering teams in a 100-percent employee-owned environment, delivering detailed designs and installation concepts while advancing your career within the company.

The role requires a Bachelor’s degree in Mechanical Engineering or Building Services, experience in data centre projects, and proficiency with CAD and software like Trane TRACE.

Qualifications

• Bachelor's degree in Mechanical Engineering, Building Services or a relevant subject.
• Experience with mechanical systems, HVAC engineering and resilience concepts.
• Experience in mechanical system design for Data Centre/Data Centre projects is essential.
• Experience in commercial or institutional facilities.
• Proficient with MS Office and design tools such as Trane TRACE or similar software.
• Experience in a design consultancy or engineering firm.

Responsibilities

• Agree design duties with the Project Manager and Office Principal/Team Leaders.
• Carry out engineering concept design through to detailed design.
• Coordinate detailed designs with the design team and suppliers.
• Maintain good client and design team relationships to ensure satisfaction and repeat business.
• Assist with personal training/CPD and develop working practices in the company.
• Follow QA systems and company procedures on all projects (ISO9001/ISO14001).
• Assist with CAD resource requirements.

Skills

Project management

Team collaboration

MS Office

CAD/Design tools

Education

Bachelor's degree in Mechanical Engineering

Building Services

Tools

Trane TRACE

Manufacturer selection software

Job description

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.

About The Role

As a Mechanical Engineer you will have the opportunity to collaborate with various engineering teams to create detailed designs, plans, specifications and installation designs of complete mechanical systems and HVAC solutions for Data Centres. 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

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

• 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.

Required Qualifications

• Bachelor's degree in Mechanical Engineering, Building Services or a relevant subject
• Experience of mechanical systems, HVAC engineering and multiples levels of resilience
• Previous experience in mechanical system design for Data Center/Data Centre projects Is ESSENTIAL
• Experience in commercial or institutional facilities
• Computer experience using MS Office, Trane TRACE or similar software, manufacturer selection software
• Previous experience within a design consultancy or engineering consulting firm
• Skills in project managing on-going jobs with limited supervision are desirable
• An attitude and commitment to being an active participant of our employee-owned culture is a must

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-Manchester, United Kingdom-England-Croydon, United Kingdom-Scotland-Glasgow, United Kingdom-England-Berkhamsted Industry:Building Engineering Schedule:Full-time Employee Status:Regular BusinessClass:Building Mechanical Job Posting:Nov 14, 2025

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.