Principal Electrical Engineer - HV Substation Design (UK & Ireland)

AECOM · Glasgow, , United Kingdom

  • Senior
  • Full-time
  • Posted 2026-10-07
  • Confirmed live on 14 October 2026

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Job description

Job Description
Start here. Grow here.
Are you ready to join a team of talented engineers and shape the future of energy infrastructure? Join us and sit at the heart of our HV Substation Design team, leading design delivery on groundbreaking projects within a varied and exciting portfolio such as;

• National Grid’s ‘Great Grid Upgrade’ Great Grid Partnership: Enabling the UK’s energy transition

• Working with the world’s leading Hyperscalers and Data Centre Operators on forward-thinking, revolutionary projects.

• EirGrid AECOM appointed to EirGrid engineering design, planning and project management services framework
Grow your career and apply your expertise within an innovative team of talented engineers!
Here’s what you’ll do:

• Produce primary plant layouts for HV substations

• Lead engineering design input to major infrastructure projects

• Undertake Project Development/Pre-construction activities. E.g. the development of optimum cable routes considering length, thermal conditions and land use

• Undertake equipment specifications for HV Plant and associated equipment

• Develop specifications with technology specific specialists and external project partners

• Develop tender specifications and undertake tender evaluations

• Provide design assurance of tender return documentation, during tender evaluation and supplier meetings

• At construction phase, review supplier technical designs, undertaking manufacturing assurance audits, attending FAT and providing commissioning support and fault resolution support

• Be a trusted partner to key clients

• Offer mentorship and guidance to junior team members
Driving excellence.
At AECOM, we are dedicated to fostering a culture of innovation and collaboration within our Transmission and Distribution team. We believe that technology should empower you so that you can focus on creative problem-solving, successfully manage complexity and deliver exceptional results. By embracing advanced automation tools, we seek imaginative thinkers who are excited about leveraging these tools to drive efficiency and enhance our projects. Join us in shaping the future of infrastructure, where your unique insights and creativity will play a vital role in our success!
Enjoy the Perks.
At AECOM, you'll enjoy a range of core and personalised benefits designed to support your future and well-being, customised to fit your lifestyle. Take advantage of career development opportunities, our flexible hybrid working model to ensure a work-life balance that suits your lifestyle, technical practice networks, AECOM University, and volunteering days.

Qualifications
Ready to push the limits of what’s possible?
Here’s what we’re looking for:

• Degree in Electrical Engineering

• Previous experience with consultancy, contractor or utility in the energy sector

• Client experience with National Grid, ESB, EirGrid, SHET, SSE, SPT or any other transmission utility or developer in UK or Ireland

• Extensive experience as FEED designer, detailed design or owner’s engineer role

• Experience designing the HV infrastructure at concept and FEED design stages

• Experience in detailed design, design assurance and owners engineer would be advantageous

• Understanding of electrical AC HV Plant infrastructure and equipment both AIS and GIS

• Good team player and have a client-focused mindset customer facing skills

• Ability to work flexibly across multiple projects

• Full driver licence

• Ideally project management experience (incl. budget, time and quality)

• Experience of managing multi-discipline engineering projects
We celebrate diversity, including neurodiversity, and believe it enriches our team. We welcome applications from all backgrounds and abilities. If you are an applicant with a disability that requires reasonable accommodation to complete the application process, please contact us at [email protected]. At AECOM, we value everyone's unique contributions and perspectives.
If you meet some of the requirements above or have transferable skills you believe would benefit us, we would be delighted to hear from you!

Additional Information
Interested in the role or curious about life at AECOM? Follow us on LinkedIn, Facebook, Instagram, and YouTube to explore our AECOM voices, employee stories, latest projects, and much more!

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM
AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector cli

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