Senior Electrical Design Engineer

Ayesa; City Of London; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A leading engineering firm in London seeks a Senior Electrical Design Engineer to lead the design of HV substations and transmission lines. The role involves developing innovative designs and collaborating with multidisciplinary teams. Candidates should have a degree in Electrical Engineering and extensive HV substation design experience. This position offers a competitive salary, hybrid work model, and additional perks focused on professional development and inclusivity.

Benefits

Competitive Salary & Performance-Based Bonuses

Hybrid Work Model

Flexible Hours

Pension Matching

Financial Planning Support

Income Protection

Professional Development Support

Generous Annual Leave

Qualifications

• Chartered or working toward Chartered status preferred.
• Extensive HV substation design experience (110kV to 400kV) is essential.
• Proven ability in producing technical specifications and layouts.

Responsibilities

• Lead design projects for HV substations and transmission lines.
• Develop primary plant layouts ensuring innovative designs.
• Specify HV equipment and oversee project lifecycle stages.

Skills

HV substation design

Technical specifications production

Strong written communication skills

Education

Degree in Electrical Engineering

Tools

ETAP

PLS-CADD

DIgSILENT

CDEGS

Job description

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Overview

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.

Position

Your Impact

• 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.

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)
• 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 & Performance-Based Bonuses
• Hybrid Work Model (2-3 days from home)
• Flexible Hours 37.5 per week (Core: 10am-4pm Mon-Thu, 10am-3pm Fri)
• Pension Matching & Financial Planning Support
• Income Protection & Life Assurance
• Professional Development and Chartership Support
• Employee Assistance Programme (EAP)
• Sustainability & Innovation-Focused Culture
• Socials, Recognition Awards & Wellbeing Initiatives
• 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.