At a Glance
- Tasks: Design and develop innovative mechanical systems for cutting-edge Data Centres.
- Company: Join HDR, an employee-owned company that values diversity and inclusion.
- Benefits: Enjoy a supportive culture, career growth, and the chance to make a global impact.
- Other info: Collaborative environment with opportunities for leadership and personal development.
- Why this job: Be part of a team that empowers you to bring your authentic self to work.
- Qualifications: Bachelor's in Mechanical Engineering and 5+ years of design experience required.
The predicted salary is between 47250 - 57750 £ 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.
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 conversant with all aspects of mechanical engineering. Whilst you will be a competent & experienced designer, we are looking for a self-starter that can manage and develop resource to meet project demands whilst maintaining the highest level of technical excellence and regulatory compliance and work as part of the wider multi-disciplinary engineering team.
In the role of Senior Mechanical Engineer, we'll count on you to:
- 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 5yrs mechanical design experience within 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 multiples 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 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 we are 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.
Senior Mechanical Engineer in Croydon employer: HDR
At HDR, we pride ourselves on being an exceptional employer, offering a dynamic work culture that fosters collaboration and innovation in the heart of Manchester. Our commitment to employee growth is evident through continuous professional development opportunities and a supportive environment that encourages leadership aspirations. With a focus on meaningful projects in building engineering, we provide our team with the chance to make a real impact while enjoying the flexibility of remote working options.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Mechanical Engineer in Croydon
✨Get Your Hands Dirty at Engineering Events
Join local engineering meetups or industry conferences related to mechanical engineering. Whether it's a workshop or a career fair, these events are goldmines for networking and getting a foot in the door. Plus, you can showcase your passion and enthusiasm directly to potential employers like HDR.
✨Connect with Professors & Peers
Tap into your university’s resources—professors often have connections in the industry. Don’t be shy to ask about potential openings or recommendations. Your classmates might also know of companies hiring. Often, it’s who you know that gets you in front of the right people!
✨Highlight Your Projects and Practical Experience
When you land those interviews, make sure to talk about your hands-on projects or internships. Whether it's a design project or hands-on experience with CAD software, specific examples will make you stand out. Companies like HDR love to hear about practical applications of your skills.
✨Apply Directly on Company Websites
Check out the careers page of HDR and apply directly through there. It shows initiative and interest in their specific values. Plus, you'll often find openings that aren't advertised on job boards, giving you a better chance to land that full-time gig!
We think you need these skills to ace Senior Mechanical Engineer in Croydon
Some tips for your application 🫡
Show Off Your Technical Expertise:In mechanical engineering, it’s vital to highlight your technical skills and projects. Make sure to include relevant software proficiency (like CAD tools) in your CV. If you've worked on specific engineering projects, detail your key contributions — we want to see how you’ve applied your skills in a practical setting!
Focus on Problem-Solving Examples:Employers in mechanical engineering love to see how you handle challenges. Use your cover letter to share specific instances where you’ve solved a complex problem or improved a design. This will show us you're not just knowledgeable but also capable of applying that knowledge effectively.
Highlight Relevant Certifications:Include any relevant certifications or training that can set you apart from the competition. Whether it's coursework from your degree, a recognised certification, or extra training in new technologies, we love to see candidates who continuously improve their skill set. This tells us you're serious about your career in engineering!
Tailor Your CV for the Role:Don’t forget to customise your CV for HDR and the Senior Mechanical Engineer role specifically. Pull examples from your experience that align with the job description — it shows us you've done your research and are genuinely interested in becoming part of the team. We recommend applying through our website to ensure your application gets to the right people!
How to prepare for a job interview at HDR
✨Brush Up on Your CAD Skills
Since mechanical engineering often involves design processes, be ready to showcase your proficiency in CAD software like SolidWorks or AutoCAD. Bring along a digital portfolio or even some sketches that demonstrate your design capabilities — it’s a great way to show what you can bring to the table at HDR.
✨Prepare for Technical Questions
Expect technical questions that test your understanding of engineering principles and problem-solving skills. You might get hypothetical scenarios where you need to design a component or troubleshoot a mechanical system. Practising these types of questions will give you the confidence to tackle whatever comes your way!
✨Show Your Team Spirit
As a full-time mechanical engineer, collaboration is key! Be ready to share examples of past team projects or any experiences where you contributed to solving a complex problem with others. Demonstrating your ability to work in a team will resonate well with the interviewers at HDR.
✨Discuss Your Future Goals
Since this is a full-time position, your long-term vision is important. Be open about your career aspirations, whether it’s mastering a specific tool or leading projects. This shows that you're committed not just to learning but also to growing with HDR, making you a more appealing candidate.
