Design Engineer

Design Engineer - District Heating

London - Hybrid (2 Days On-Site, 3 Days Remote)

£47,000 - £60,000 + £1,300 Car Allowance + Excellent Pension (up to 6% double contribution) + 28 Days Holiday + Bank Holidays (rising with service) + Health Cash Plan + Lifestyle Benefits + Employee Assistance Programme + Volunteering Days

Are you a Mechanical / Building Services / District Heating Engineer with strong experience in design review, commissioning and site-based work?

Do you want a role where your expertise is valued, you're trusted to lead key technical decisions, and you can progress quickly into senior engineering or project management positions as the team continues to grow?

On offer is a unique Design Engineer position, joining a rapidly expanding energy team at the heart of their heat network strategy. You'll play a key technical role across design reviews, site inspections and commissioning of district heating and energy centre assets - with a clear progression pathway into Senior Design Engineer roles and opportunities to mentor junior engineers in future.

This organisation is known for investing in its people, promoting from within and offering excellent work-life balance. You'll join a specialist energy team that partners with top consultancies and contractors on large residential heat network schemes, with the backing of a people-focused employer offering hybrid working, structured development and long-term career opportunities.

In this role, you'll review mechanical and building services designs, carry out technical checks on drawings and calculations, and visit sites to inspect installations, observe commissioning and ensure heating networks are delivered in line with design, regulations and best practice. You'll help solve technical challenges, improve system performance and support the seamless handover of new schemes into operation.

• Review and check mechanical / building services designs, drawings, schematics and technical submissions for district heating and energy centre projects
• Carry out site inspections, acceptance tests and commissioning checks to ensure installations meet design, safety and compliance standards
• Take ownership of technical decisions, offering guidance that shapes the quality and long-term performance of heat networks
• Support project handover and adoption, providing technical input to O&M teams and maintaining accurate technical records
• Hybrid working : approx. 2 days on site / office, 3 days from home, 35 hours / week

• Background in Mechanical, Building Services or District Heating engineering
• Experience in design review, installation or commissioning of heating systems
• Strong technical understanding of mechanical services
• Motivated by progression, ongoing learning and stepping into broader technical responsibility as the team expands