Senior electrical design engineer - LV to 33kV

gridsource; Henlow; Hybrid; GBP 45,000 - 75,000; Full time

Benefits offered by this job

Flexible & hybrid working

Career development support

Opportunity to build and grow design团队

Job summary

Gridsource is seeking a Senior Electrical Design Engineer to lead the technical delivery of LV networks up to 33kV. You will perform design checking, verification and approvals, while mentoring engineers and shaping the growing design team.

Flexible/hybrid working is offered, with opportunities to influence engineering standards and contribute to business growth in the UK.

Qualifications

• Bachelor's or Master’s degree in Electrical Engineering or related discipline.
• Extensive experience in LV distribution design up to 33kV.
• Experience in high/medium voltage design and project delivery.

Responsibilities

• Lead technical delivery of electrical designs up to 33kV including checks and approvals.
• Coordinate LV/HV distribution designs, cable networks, substations, and interfaces.
• Develop and maintain design standards, QA procedures and technical assurance processes.
• Mentor engineers and support recruitment and development of the team.
• Ensure designs comply with DNO/IDNO G81, ENA requirements and standards.
• Coordinate with clients, ICPs, DNOs and other stakeholders.

Skills

Electrical design

Technical leadership

LV / HV design

DNO/IDNO standards

AutoCAD

Stakeholder management

Mentoring

Project coordination

Quality assurance

Design verification

Education

Electrical Engineering degree

Tools

AutoCAD

Job description

Senior Electrical Design Engineer – LV to 33kV

Technical Lead & Approver

About Us

Gridsource is an independent electrical engineering consultancy specialising in LV and HV electrical network design, grid connections and technical consultancy services.

We support Independent Connection Providers (ICPs), developers, contractors and investors across the UK, delivering electrical infrastructure designs for distribution networks, renewable energy, EV charging, residential and industrial and commercial developments.

As a growing business, we are seeking an experienced Senior Electrical Design Engineer to take a leading role in the technical delivery and approval of electrical infrastructure projects up to 33kV.

This is an exciting opportunity to join us at the beginning of our journey and play a pivotal role in building, shaping and growing our electrical design team from the ground up.

The successful candidate will have the opportunity to influence how the team operates, develop engineering processes and standards, mentor future engineers and contribute directly to the long-term growth and success of the business.

The Role

This is a senior technical position combining hands‑on electrical engineering, technical leadership, design coordination and quality assurance.

The successful candidate will take responsibility for the technical delivery of electrical designs up to and including 33kV, with a key role in design checking, verification and approval.

We are looking for someone with strong technical knowledge, sound engineering judgement and the ambition to help establish and develop a high‑performing electrical design team.

Key Responsibilities

• Electrical Design & Technical Delivery
• Take technical responsibility for electrical design requirements on assigned projects up to 33kV.
• Produce and oversee LV and HV electrical distribution network designs, including cable networks, substations and associated infrastructure.
• Prepare and review single‑line diagrams, cable layouts, substation arrangements, technical specifications and design calculations.
• Undertake and review cable sizing, voltage drop, fault‑level assessments, load‑flow studies and protection coordination.
• Review Point of Connection offers, network information and client requirements.
• Prepare and review specifications for HV transformers, switchgear, circuit breakers and associated electrical equipment.
• Ensure designs comply with DNO/IDNO G81 standards, ENA requirements, British Standards and applicable regulations.

Technical Checking, Approval & Quality Assurance

• Undertake technical checking and verification of electrical designs.
• Review engineering calculations, network studies, equipment specifications and design documentation.
• Progress towards or undertake formal technical approval and sign‑off responsibilities in accordance with demonstrated competence and company authorisations.
• Identify and resolve technical issues, design risks and non‑conformances.
• Maintain appropriate technical review and approval records.
• Develop and implement internal design standards, quality procedures and technical assurance processes.
• Support the development and maintenance of the company's NERS design accreditation.
• Play a key role in establishing, shaping and growing the company's design team.
• Help develop the structure, processes and technical capabilities required to support business growth.
• Lead and coordinate electrical design activities across assigned projects.
• Provide technical guidance, mentoring and support to engineers and technicians.
• Support the recruitment, development and progression of future engineering team members.
• Promote a collaborative, high‑performing engineering culture focused on technical excellence and continuous improvement.
• Contribute to resource planning, workload management and the development of efficient design delivery processes.

Design Management & Stakeholder Coordination

• Manage electrical design submissions to DNOs and other relevant stakeholders.
• Coordinate technical reviews and manage design comments through to approval.
• Work closely with civil designers to ensure electrical and civil design interfaces are appropriately coordinated.
• Act as a key technical point of contact for clients, ICPs, DNOs and project stakeholders.
• Maintain design registers, technical query logs and review records.
• Support project planning, engineering estimates and resource coordination.
• Attend technical meetings with clients, utility providers and project teams.
• Degree, HND, HNC or equivalent qualification in Electrical Engineering or a related discipline.
• Significant experience in electrical distribution network design within an ICP, DNO, IDNO or engineering consultancy.
• Strong technical knowledge of LV, 11kV and 33kV electrical distribution systems.
• Experience designing HV and LV cable networks, substations and associated electrical infrastructure.
• Sound understanding of electrical calculations, network studies and engineering design principles.
• Knowledge of DNO/IDNO G81 standards, ENA requirements and relevant industry standards.
• Experience preparing electrical design packages for DNO approval and adoption.
• Proficiency in AutoCAD and relevant electrical engineering software.
• Ability to independently review technical information and identify design issues.
• Strong organisational, communication and stakeholder management skills.
• Excellent engineering judgement, attention to detail and problem‑solving abilities.
• A proactive, ambitious approach with enthusiasm for developing engineering capabilities and contributing to business growth.
• Previous experience undertaking formal technical checking, approval or sign‑off of electrical designs.
• Chartered Engineer status or working towards professional registration.
• Experience mentoring, developing or leading engineering teams.

What We Offer

• Competitive salary dependent on experience.
• Flexible and hybrid working arrangements.
• A unique opportunity to help build and grow an electrical design team from the ground up.
• Genuine influence over the company's technical direction, engineering standards and future development.
• A senior position offering responsibility, autonomy and the opportunity to make a lasting impact.
• The potential to develop into a wider engineering leadership role as the business expands.
• Support for professional development and career progression.
• A collaborative working environment where ideas, initiative and technical expertise are valued.