Senior Electrical Design Engineer - HV Substations & Renewables

Ayesa
London
Company Description

Location: London, UK (Hybrid) | Team: Power Transmission & Distribution

Work Type: Full-Time | Senior Level

About Us

Ayesa is a global engineering consultancy with over 13,000 employees, where our UK & Ireland business combines international strength with the agility and autonomy of an SME.

With a presence in 40 countries, Ayesa has built a strong international reputation across a diverse range of engineering disciplines. Our expertise includes water and flood infrastructure, transportation, marine and coastal engineering, geoscience, environmental services, energy, and building structures.

Our UK & Ireland teams deliver technically challenging, varied projects that develop broad expertise without confining people to narrow roles - offering the opportunity to make a meaningful local impact while benefiting from the stability, knowledge, and career opportunities of a well-established global organisation.

Ayesa is on a mission to engineer a better future-one powered by sustainable energy systems and world-class infrastructure. We're seeking an ambitious Senior Electrical Design Engineer to lead HV substation and transmission line design, supporting the delivery of renewables, grid connections, BESS, and private network projects.

You'll be joining our fast-growing Transmission & Distribution team in the UK, collaborating with a global network of technical experts and delivering critical infrastructure for a carbon-neutral future.

We are looking for Engineers dedicated to detailed design work, 3DModelling, client interface, and project delivery.



Position

About The Role

Lead Cutting-Edge Design Projects
• Develop primary layouts and electrical designs for HV substations (110kV to 400kV)
• Design and specify HV equipment, including AIS/GIS switchgear, transformers, and auxiliary systems
• Provide design input across the full project lifecycle-from feasibility through FEED and detailed design to commissioning

Collaborate Across Disciplines
• Work closely with internal teams in civil, geotechnical, protection & control, and environmental disciplines
• Deliver integrated designs that support smart grid, HVDC, renewable energy, and waste-to-energy projects

Engage with Global Clients
• Support utility and private sector clients in the UK and across Europe
• Prepare high-quality technical documentation and reports
• Ensure designs meet UK regulations and client H&S standards

This role is UK-based, with flexibility to work remotely and support international teams across Europe.

Key Responsibilities
  • Develop primary plant layouts for HV substations , ensuring innovative and efficient designs.
  • Specify HV equipment and ancillary systems for energy storage and renewable generation projects.
  • Provide engineering expertise through all project lifecycle stages: feasibility studies, FEED, detailed design, and site construction monitoring.
  • Coordinate with multidisciplinary teams, including civil, structural, environmental, geotechnical, and protection & control disciplines.
  • Deliver projects utilizing new technologies such as energy storage, HVDC systems, smart grids, and waste-to-energy solutions .
  • Provide professional engineering services to clients in the UK and internationally.


Requirements

What We're Looking For

Required:
• Degree in Electrical Engineering (Chartered or working toward Chartered status preferred)
• Minimum 5 years' experience with HV substations, power transmission and renewables
• Extensive HV substation design experience (110kV to 400kV)
• Proven ability to produce technical specifications and equipment layouts
• Strong knowledge of UK T&D regulations and H&S compliance
• Excellent written communication skills in English

Desirable:
• Experience in HV cable systems and overhead line design
• Familiarity with ETAP, PLS-CADD, DIgSILENT, or CDEGS
• Experience with BIM workflows in T&D projects
• Site experience: testing, commissioning, or construction
• Master's degree in a relevant discipline



Other information

What's in It for You
  • Competitive Salary: We offer a competitive salary package to attract and retain top talent in the industry.
  • Flexible Working: Enjoy flexible working hours and hybrid working, allowing you to achieve a better work-life balance.
  • Employer Pension Match Scheme: We offer a pension match scheme to help you secure your financial future.
  • Income Protection: Receive support in safeguarding your income in the event of illness or injury.
  • Life Assurance: Gain peace of mind with life assurance coverage.
  • Training and Development Programme: Access a range of training and development opportunities to enhance your skills and advance your career.
  • Family & Well-Being Support: Benefit from our Enhanced Maternity & Paternity Benefits and our confidential support services to address personal or professional challenges, included in our Employee Assistance Programme.
  • Sports and Social: Engage in our vibrant sports and social activities to foster a sense of community and well-being among our team members.
  • Increased Annual Leave: 25 days' annual leave plus statutory bank holidays, enjoy increased annual leave entitlements based on years of service.
  • Recognition Awards: Receive recognition for your contributions through our awards program, celebrating achievements and excellence.
We're Inclusive by Design

Ayesa is proud to be an equal opportunity employer. We value and celebrate diversity in all its forms, including but not limited to age, disability, gender identity, race, religion or belief, sex, sexual orientation, and socio-economic background or neurodiversity. We believe that a diverse workforce fosters innovation and stronger outcomes. We are committed to inclusive hiring practices, providing reasonable adjustments for applicants and employees with disabilities, and ensuring equal access to opportunities for learning, development, and progression across our organisation.
Posted 2026-01-24

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