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Electrical Engineer - Building Services; Energy

Job in Cardiff, Cardiff City Area, CF10, Wales, UK
Listing for: Mott MacDonald Group
Full Time position
Listed on 2026-10-11
Job specializations:
  • Engineering
    Electrical Engineering, Building Services Engineer, Energy Engineer
Salary/Wage Range or Industry Benchmark: 48000 - 64000 GBP Yearly GBP 48000.00 64000.00 YEAR
Job Description & How to Apply Below
Location/s:

Glasgow, Newcastle, York, Birmingham, Altrincham, Croydon, Brighton, Bristol, Cardiff; UK

Relocation supported:

Not supported, but internal applications are welcome

Mott Mac Donald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices.

We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance – we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual.

Whether you want to grow as a subject matter expert or broaden your experience with roles across our international community, you’re surrounded by global specialists who want to combine their expertise and champion you to be your best. As a proudly employee-owned business, we benefit our clients, our communities, and each other, investing in creating the right space for everyone to feel empowered, included, and valued.

Whatever your ambition, Mott Mac Donald is where people come to be brilliant.

About Thebusinessunit

The Energy unit delivers services to clients globally across several sectors including hydropower, nuclear, waste, renewable generation and transmission & distribution networks. Together we provide integrated engineering and project management services across the project lifecycle – from concept and design to construction and operations, to decommissioning or repowering and life extension. Together with our clients, we’re helping to deliver the energy transition globally.

Overview

Of

The Role

We're looking for an Electrical Building Services Engineer to join our growing Energy Networks team. This is an excellent opportunity to work on a range of transmission and distribution projects, supporting the delivery of building services designs for substations, converter stations and other energy infrastructure projects. You will work as part of multidisciplinary project teams, gaining experience across a variety of projects while contributing to the delivery of sustainable and technically robust engineering solutions.

Key responsibilities and duties include:

  • Support the delivery of building services engineering designs for energy infrastructure and industrial facilities
  • Prepare engineering calculations, reports, specifications and technical documentation under the guidance of senior engineers
  • Assist in the development of design drawings, layouts and schematics covering HVAC, mechanical systems, electrical building services and water services
  • Coordinate with other engineering disciplines including civil, structural, protection and control, and primary plant teams
  • Contribute to the development of sustainable and energy-efficient building services solutions
  • Support project teams in delivering work to agreed quality, programme and budget requirements
  • Assist with site visits, surveys and inspections where required
  • Ensure designs comply with relevant standards, regulations and company procedures
  • Participate in client and internal project meetings
  • Support continuous improvement and knowledge sharing within the team
Candidate specification

Essential:

  • Degree qualified in Electrical Engineering ,Building Services Engineering, Mechanical Engineering, or a related discipline
  • Relevant postgraduate experience in building services design
  • Experience contributing to building services projects within infrastructure, industrial, utilities, energy, or commercial sectors
  • Understanding of HVAC, mechanical and electrical building services systems
  • Ability to prepare technical documentation, reports and engineering calculations
  • Familiarity with…
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