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Mechanical Design Engineer

About Dalkia UK

Jointly owned by EDF Energy and Dalkia, we are a leading UK technical services provider, delivering engineering, facilities management and energy solutions nationwide.

With 5,000+ employees and £600m+ turnover, we combine the strength of a major group with a people-first culture, innovation mindset and inclusive values making Dalkia a great place to grow your career.

Mechanical Design Engineer – Decarbonisation & Energy Infrastructure | Hybrid

Design the future. Deliver real carbon reduction. Engineer lasting impact.

At Dalkia UK, we're delivering some of the UK's most exciting decarbonisation and energy infrastructure projects, helping hospitals, universities, commercial and industrial clients transition to a more sustainable future.

We're looking for an experienced Mechanical Design Engineer to join our growing team, taking ownership of mechanical design, managing external consultants through the RIBA design stages, and delivering technically robust solutions across complex live operational environments.

You'll work on a diverse portfolio of projects including:

  • Energy Centres
  • Air Source & Ground Source Heat Pump installations
  • Combined Heat & Power (CHP) schemes
  • Boiler and Chiller replacements
  • District Heating Networks
  • Steam, LTHW, MTHW & HTHW systems
  • Chilled Water Systems
  • Domestic Hot & Cold Water Services
  • Plant Rooms & Pumping Systems
  • HVAC & Air Handling Systems
  • HV/LV Electrical Infrastructure
  • Standby Generation, UPS & Battery Storage
  • Building Management Systems (BMS)
  • Large-scale retrofit and decarbonisation programmes

You'll collaborate with project managers, commercial teams and multidisciplinary engineering specialists to develop innovative, buildable designs that improve energy performance, resilience and sustainability while minimising disruption within live operational sites.

We're looking for someone with:

A Mechanical Engineering degree
3–5+ years' experience in mechanical building services or energy infrastructure design
Experience designing major plant, heating and cooling systems
Strong knowledge of the RIBA design process
A passion for engineering excellence and delivering net-zero solutions

If you're looking for your next challenge and want to engineer solutions that make a lasting impact, we'd love to hear from you.

Our Values

  • People First – health, safety and wellbeing come first
  • Better Together – collaborative, respectful teamwork
  • Trusted Partners – committed to our clients' success

Taking Responsibility – making a positive differenceEquity,

Diversity & Inclusion

We're committed to an inclusive and fair recruitment process. If you need any adjustments, let us know in confidence our team is here to support you.

Apply today and help shape tomorrow's energy infrastructure.

 

 
  • City:
    Leeds
  • Closing Date:
    19 August 2026
  • Business Area:
    Energy Services
Apply Now
 
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