At a Glance
- Tasks: Design innovative mechanical solutions for cutting-edge data centre projects.
- Company: Thriving consultancy with a top-notch Mission Critical team.
- Benefits: Competitive salary, annual bonuses, hybrid working, and clear career progression.
- Other info: Join a collaborative team with strong support and growth opportunities.
- Why this job: Tackle exciting HVAC challenges and shape the future of data centres.
- Qualifications: Degree in Mechanical Engineering and relevant design experience.
Data centres are one of the fastest moving spaces in engineering right now, and this is a genuine chance to be part of a consultancy that's thriving in it. Our client is a multi-disciplinary building services consultancy with a growing, highly regarded Mission Critical team, delivering complex, high profile data centre projects for major international clients. They’re expanding fast and looking for a Senior or Principal Mechanical Design Engineer to join a talented, close-knit MEP team. You’ll get real ownership of design work, exposure to some of the most technically demanding cooling and HVAC challenges in the sector, and a clear path toward Principal and Associate Director level.
What you’ll be doing:
- Producing conceptual and detailed mechanical design solutions in line with client briefs
- Carrying out mechanical services design calculations using Hevacomp and IES software
- Supporting CFD briefing and reviews with the supply chain
- Working across heating, ventilation, air conditioning, cooling and domestic hot and cold water services for mission critical facilities
- Getting involved in large scale liquid cooling scheme design
- Working with HVAC systems including Fan Wall, CRAH/CRAC, VRV, VAV, 4 pipe fan coil, close control, chilled beam and chilled ceiling systems
- Taking projects from feasibility studies and concept design through to detailed design
- Producing mechanical specifications and schedules
- Building strong working relationships with architects, structural engineers, project managers and quantity surveyors
- Acting as a technical point of contact for clients
What we’re looking for:
- Degree qualified in Mechanical Engineering, Building Services or a related discipline
- Solid data centre or mission critical design experience
- Working toward Chartered status, or already chartered (CIBSE / IMechE)
- Familiarity with codes such as BS EN 50600, ANSI/ASHRAE 90.4 and CIBSE guidance
- Familiarity with data centre tier rating systems and hyperscale or colocation requirements
- Working knowledge of Revit and BIM workflows (ACC, BIM 360 and Navisworks are a bonus)
- A collaborative, client facing approach and strong communication skills
What’s in it for you:
- Salary £50,000 to £80,000 DOE
- Annual bonus, typically £1,000 to £5,000
- Hybrid working, 2 to 3 days a week from London, Manchester, Leeds or Sunderland
- A genuinely collaborative, multi-disciplinary team
- A clear route toward Principal and Associate Director progression
- The chance to work on some of the most technically interesting cooling and HVAC challenges in the UK and internationally
If you’re a mechanical design engineer looking for real technical variety, strong support and a clear future, we’d love to hear from you. Apply now or get in touch for a confidential conversation.
Senior or Principal Mechanical Engineer in London employer: Harper Harrison
As a Senior Director of Operations at our client’s Italian data centre portfolio, you will join a dynamic and innovative team dedicated to operational excellence in one of Europe’s fastest-growing digital infrastructure platforms. The company fosters a culture of collaboration and continuous improvement, offering competitive benefits such as a comprehensive welfare plan, healthcare assistance, and a pension scheme, all while providing opportunities for professional growth and leadership development in a mission-critical environment. With a commitment to safety, reliability, and client satisfaction, this role not only promises a rewarding career but also the chance to contribute to cutting-edge digital infrastructure.
StudySmarter Expert Advice🤫
We think this is how you could land Senior or Principal Mechanical Engineer in London
✨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 Harper Harrison.
✨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 Harper Harrison love to hear about practical applications of your skills.
✨Apply Directly on Company Websites
Check out the careers page of Harper Harrison 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 or Principal Mechanical Engineer in London
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 Harper Harrison and the Senior or Principal 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 Harper Harrison
✨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 Harper Harrison.
✨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 Harper Harrison.
✨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 Harper Harrison, making you a more appealing candidate.
