Senior Electrical Design Engineer - HV Substations & Renewables

AlíaGestiónIntegraldeServicios,S.L.U; Greater London; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A leading engineering firm in the United Kingdom is looking for a Senior Electrical Design Engineer specialized in HV substations and renewable projects. This role involves developing electrical designs, coordinating with various teams, and ensuring compliance with regulations. Candidates should possess a degree in Electrical Engineering and at least 5 years of experience in power transmission and renewables. The position offers a hybrid work model and professional development opportunities, as well as a commitment to inclusivity and diversity.

Benefits

Hybrid Work Model

Flexible Hours

Professional Development

Employee Assistance Programme

Generous Annual Leave

Qualifications

• Minimum 5 years' experience with HV substations, power transmission and renewables.
• Familiarity with UK T&D regulations and H&S compliance is required.
• Experience in HV cable systems and overhead line design.

Responsibilities

• Develop primary layouts and electrical designs for HV substations.
• Provide design input across all project lifecycle stages.
• Deliver integrated designs focusing on renewable energy projects.

Skills

HV substations design

Electrical Engineering knowledge

Technical specification production

Communication skills

BIM workflows

Education

Degree in Electrical Engineering

Tools

ETAP

PLS-CADD

DIgSILENT

CDEGS

Job description

Senior Electrical Design Engineer - HV Substations & Renewables

Company Description

About Us

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, 3D Modelling, client interface, and project delivery.

Position

About The Role

• 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

• 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

• Developprimary 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 asenergy storage, HVDC systems, smart grids, and waste‑to‑energy solutions.
• Provide professional engineering services to clients in the UK and internationally.

Requirements

✅WhatWe’reLooking For

Required:

• Degree in Electrical Engineering (Chartered or working toward Chartered status preferred)

• Minimum 5 years' experience with HV substations, power transmission and renewables

• 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

• 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

Other information

🎁 What’s in It for You

🏡 Hybrid Work Model (2–3 days from home)

🕓 Flexible Hours 37.5 per week (Core: 10am–4pm Mon–Thu, 10am–3pm Fri)

📚 Professional Development and Chartership Support

🤝 Employee Assistance Programme (EAP)

🌱 Sustainability & Innovation‑Focused Culture

🌴 Generous Annual Leave with Additional Days Based on Service

🤝 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.