Electrical Engineer – BESS

• Strong understanding of LV, MV, and HV electrical and PCS systems
• Knowledge of UK grid connection processes and standards (including G99/G100)
• Ability to balance engineering judgement with commercial outcomes
• Degree in Electrical Engineering or a related discipline
• Experience in UK power, renewables, or energy infrastructure project development
• Experience reviewing consultant or third-party technical outputs
• Experience and knowledge of undertaking Factory Acceptance Testing

• Familiarity with DNO processes, queue management, and connection strategy optimisation
• Understanding of planning constraints and how they influence electrical design
• Chartered Engineer status or working towards professional registration
• Experience specifically with BESS or co-located renewable projects
• Experience supporting technical due diligence or financial close
• Experience in grid code connections, commissioning and compliance requirements
• Experience of construction projects

Job Purpose / Overview

We are looking for an Electrical Engineer to support the commercial development of grid-scale Battery Energy Storage System (BESS) projects across the UK. You will play a key role in progressing projects from site identification through grid connection, planning, and pre-construction, ensuring electrical designs are technically robust, commercially optimised, and aligned with UK regulatory and network requirements.

• Provide electrical input to early-stage BESS project development, including site feasibility, capacity optimisation, and layout strategies
• Support investment, land, and planning decisions through technical feasibility assessments
• Identify technical constraints, risks, and opportunities that impact project value
• Support technical DD vendor assessments and tender reviews for specification compliance
• Lead or support grid connection applications and negotiations with DNOs and National Grid ESO
• Interpret and challenge connection offers, technical schedules, and compliance requirements
• Support compliance with UK Grid Code, G99/G100, and relevant ENA Engineering Recommendations
• Develop high-level electrical concepts including SLDs, protection philosophies, and earthing approaches
• Define technical scope and employer's requirements for consultants, EPCs, and OEMs
• Review third-party designs and studies to ensure alignment with development assumptions and commercial objectives
• Maintain and manage technical risks through the development lifecycle

This role is well suited to an engineer who enjoys working at the front end of projects, balancing technical detail with commercial decision-making in a fast-paced development environment.

Contextual Information

Principal Accountabilities

Project Development & Commercial Support

Grid & Network Connections

Technical Definition & Risk Management

Stakeholder & Consultant Management

• Act as the technical interface between internal teams, external consultants, DNOs, OEMs, and EPC contractors

• Support technical due diligence for acquisitions or project financing

Essential

• Contribute to tender evaluations and supplier selection from a technical and commercial perspective

Knowledge, Skills, Qualifications & Experience

Knowledge & Skills

Desirable

Desirable

Essential

Qualifications & Experience