At a Glance
- Tasks: Design and deliver innovative heat-network projects across London.
- Company: Leading engineering contractor focused on sustainable energy solutions.
- Benefits: Competitive salary, professional development, and employee wellbeing support.
- Other info: Collaborative environment with opportunities for career progression.
- Why this job: Join a dynamic team and make a real impact on low-carbon energy systems.
- Qualifications: Bachelor’s in Mechanical Engineering and 5 years of relevant experience.
The predicted salary is between 43650 - 53350 £ per year.
- 08th September, 2026
- Mechanical Engineer – Heat Networks
Location
London
Salary
Competitive salary and benefits package
Employment Type
Permanent
We are working with a leading specialist engineering contractor that delivers innovative and sustainable energy systems across the UK.
Due to a strong pipeline of low-carbon projects, they are looking to appoint an experienced Mechanical Engineer to join their London-based team.
This is an excellent opportunity to work across the complete engineering lifecycle of major heat-network projects—from detailed design and procurement through to construction, commissioning and operation.
The Role You will work across a variety of heat-network projects throughout London, combining office-based design and engineering responsibilities with site-based delivery during the construction and commissioning phases.
Working alongside an experienced multidisciplinary team, you will contribute to the technical development and successful delivery of sustainable, low-carbon energy solutions.
Key Responsibilities
- Undertake detailed mechanical design and site-engineering work across heat-network projects of varying sizes and complexity.
- Support projects throughout the design, procurement, construction and commissioning stages.
- Engage with suppliers and subcontractors to ensure appropriate product selection and successful delivery.
- Coordinate mechanical design requirements with site installation activities.
- Review technical drawings, specifications and design documentation.
- Resolve technical issues to maintain project quality and programme.
- Monitor, analyse and report on engineering and project performance.
- Work collaboratively with clients, consultants, contractors and other project stakeholders.
- Report to the relevant engineering lead throughout the design, construction and commissioning phases.
Experience and Qualifications
- Bachelor’s degree or equivalent qualification in Mechanical Engineering or a related discipline.
- At least five years’ experience in a mechanical engineering position, ideally within the energy or building-services sector.
- A good technical understanding of heat networks, LTHW systems and heat-pump technology.
- Experience working across the design and delivery stages of engineering projects.
- Proficiency in Microsoft Excel, Word and the wider Microsoft Office suite.
- Experience using Auto CAD, Revit or Solid Works would be advantageous.
- Strong communication and stakeholder-management skills.
- A flexible and enthusiastic approach, with a willingness to take on new technical challenges.
- An interest in working across the full project lifecycle, from initial design through to commissioning and operation.
What’s on Offer?
- The opportunity to work on innovative heat-network and low-carbon energy projects.
- Exposure to the complete engineering project lifecycle.
- A strong and growing pipeline of work within the UK energy sector.
- Support with continuing professional development and progression toward Chartered Engineer status.
- A collaborative and supportive working environment.
- Regular team-building, social and charitable events.
- Employee wellbeing support and access to an Employee Assistance Programme.
This is an excellent opportunity for an ambitious Mechanical Engineer to join a growing team and play an important role in delivering sustainable energy infrastructure across London.
Mechanical Engineer - Heat Networks in London employer: Outsource Construction
Outsource Construction is an exceptional employer, offering a dynamic work environment in the heart of London where innovation meets opportunity. With a strong focus on employee development, we provide comprehensive training and growth pathways, ensuring our team members thrive in their careers while working on prestigious projects that make a real impact. Our collaborative culture prioritises safety and quality, making it a rewarding place for professionals to excel in the construction industry.
StudySmarter Expert Advice🤫
We think this is how you could land Mechanical Engineer - Heat Networks 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 Outsource Construction.
✨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 Outsource Construction love to hear about practical applications of your skills.
✨Apply Directly on Company Websites
Check out the careers page of Outsource Construction 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 Mechanical Engineer - Heat Networks 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 Outsource Construction and the Mechanical Engineer - Heat Networks 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 Outsource Construction
✨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 Outsource Construction.
✨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 Outsource Construction.
✨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 Outsource Construction, making you a more appealing candidate.