At a Glance
- Tasks: Design and develop innovative mechanical systems for cutting-edge Data Centres.
- Company: Join HDR, an employee-owned company committed to diversity and inclusion.
- Benefits: Enjoy a supportive culture, career growth, and the chance to make a global impact.
- Why this job: Be part of a team that values your ideas and empowers you to excel.
- Qualifications: Bachelor's in Mechanical Engineering and 5 years of design experience required.
- Other info: Collaborative environment with opportunities for personal and professional development.
The predicted salary is between 43200 - 72000 £ per year.
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 work to weave diversity, equity, and inclusion into our work and foster a sense of belonging throughout the company and within our communities, we constantly ask ourselves: What is our impact on the world?
Each and every role throughout our organization 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 Senior 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 has a keen eye for detail and is conversant with all aspects of mechanical engineering. Whilst you will be a competent & experienced designer, we are looking for a self-starter who can manage and develop resources to meet project demands whilst maintaining the highest level of technical excellence and regulatory compliance and working as part of the wider multi-disciplinary engineering team.
Responsibilities
- Carry out engineering concept design through to detailed design.
- Ensure all design projects and reports within the group are technically compliant, to a consistent quality and standard.
- Maintain regular in-house design reviews and checks.
- Motivate yourself and manage staff within group to build coherent high performing teams.
- Set objectives, monitor performance, coach and develop staff to optimise their potential.
- Implement and manage QA systems and procedures on all projects.
- Implement Company Health and Safety.
- Ensure all designs respond to the CDM regulations.
- Ensure Quality Management System ISO 9001 and 14001 are adhered to.
Required Qualifications
- Bachelor’s degree in Mechanical Engineering, Building Services or relevant subject.
- Minimum 5 years mechanical design experience within a design consultancy.
- Mechanical design experience for data centres.
- Experience managing mechanical design throughout all design stages.
- Wide experience of critical mechanical systems, HVAC engineering and multiple levels of resilience including cooling, ventilation, humidification, fuel oil and flue systems.
- Strong knowledge of Microsoft Office, MS Project and AutoCAD.
- Demonstrated leadership skills, previous team coordination and project management experience.
- Previous experience with an architectural/engineering or engineering consulting firm.
- 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 organisational 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
Business Class: Building Mechanical
Job Posting: Jan 12, 2026
At HDR, we are committed to the principles of employment equity. We are an affirmative action and equal opportunity employer. We consider all qualified applicants, regardless of criminal histories, arrest and conviction records.
Senior Mechanical Engineer - Mission Critical employer: HDR
Contact Detail:
HDR Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Mechanical Engineer - Mission Critical
✨Tip Number 1
Network like a pro! Reach out to your connections in the engineering field, especially those who work at HDR or similar companies. A friendly chat can lead to insider info about job openings and even referrals.
✨Tip Number 2
Prepare for interviews by researching HDR's projects and values. Show them you’re not just another candidate; you’re genuinely interested in how you can contribute to their mission of making a positive impact.
✨Tip Number 3
Practice your technical skills and be ready to discuss your past projects in detail. Highlight your experience with mechanical systems and HVAC solutions, as this will resonate well with the role of Senior Mechanical Engineer.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, it shows you’re serious about joining the HDR team and contributing to their inclusive culture.
We think you need these skills to ace Senior Mechanical Engineer - Mission Critical
Some tips for your application 🫡
Show Your Passion: When writing your application, let your enthusiasm for mechanical engineering shine through! We want to see how your experiences and ideas align with our mission to make a positive impact in the world.
Tailor Your CV: Make sure to customise your CV to highlight relevant experience in mechanical design, especially for data centres. We love seeing how your skills match the specific requirements of the role!
Be Authentic: Don’t be afraid to show your true self in your application. At HDR, we value authenticity and diversity, so share your unique perspective and experiences that make you a great fit for our team.
Apply Through Our Website: For the best chance of success, apply directly through our website. This ensures your application gets to the right people and shows us you're serious about joining our employee-owned culture!
How to prepare for a job interview at HDR
✨Know Your Stuff
Make sure you brush up on your mechanical engineering knowledge, especially around HVAC systems and data centres. Be ready to discuss specific projects you've worked on and how they relate to the role at HDR.
✨Show Your Leadership Skills
Since this role involves managing teams, be prepared to share examples of how you've motivated and developed staff in previous positions. Highlight any experiences where you’ve led a project or improved team performance.
✨Emphasise Your Attention to Detail
HDR values precision and compliance, so be ready to talk about how you ensure quality in your designs. Discuss your experience with QA systems and how you maintain high standards in your work.
✨Align with Their Values
Familiarise yourself with HDR's commitment to diversity, equity, and inclusion. Be prepared to discuss how you can contribute to creating an inclusive environment and how your personal values align with theirs.