Senior Electrical Design Engineer - HV Substations & Renewables

Al?aGesti?nIntegraldeServicios,S.L.U; Greater London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading engineering firm in the UK seeks a Senior Electrical Design Engineer to lead HV substation design and support renewable energy projects. The ideal candidate has a degree in Electrical Engineering and over 5 years' experience in HV substations, with strong knowledge of UK regulations. You'll collaborate with a global network while working on innovative energy solutions. This role offers a hybrid work model, promoting flexibility and professional development.

Benefits

Hybrid Work Model

Professional Development Support

Employee Assistance Programme

Generous Annual Leave

Qualifications

• 5+ years of experience with HV substations and renewables.
• Proven ability to design technical specifications.
• Strong knowledge of UK regulations and H&S compliance.

Responsibilities

• Develop layouts and designs for HV substations.
• Specify HV equipment for energy storage projects.
• Provide engineering expertise through all project stages.

Skills

Technical specifications production

Communication in English

Knowledge of UK T&D regulations

Experience with HV cable systems

Multidisciplinary coordination

Education

Degree in Electrical Engineering

Tools

ETAP

PLS CADD

DIgSILENT

CDEGS

Job description

Senior Electrical Design Engineer – HV Substations & Renewables Company Description

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.

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

• 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

• 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

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.