Lead Electrical Engineer, Grid-Scale Battery Energy Storage

Mint Selection; City Of London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Mint Selection is seeking an Owner's / Lead Electrical Engineer to lead the electrical side of a grid-scale battery energy storage project in the UK. You will be the client's sole technical lead, coordinating suppliers and EPC contractors from design through energisation.

The role requires hands-on testing, commissioning and independent engineering decisions, with strong HV expertise and experience managing EPCs and grid connection requirements.

Qualifications

• Degree in electrical engineering, ideally Chartered or working towards it.
• Owner's Engineer, client-side or lead electrical engineer experience on BESS, solar or substation projects
• Strong HV knowledge, typically 33 kV to 132 kV
• A track record of managing EPCs and suppliers and reviewing contractor design submissions
• Working knowledge of UK grid connections, the Grid Code and DNO or National Grid requirements
• Hands-on testing, commissioning and energisation experience
• Confidence to work independently, make engineering calls and challenge contractors with evidence

Responsibilities

• Act as the single point of contact for all suppliers and EPC contractors, managing them against scope, specification, quality and programme
• Review and approve electrical design submissions: SLDs, protection and control, earthing, cabling and auxiliary systems
• Provide technical oversight of battery, PCS, transformer and HV switchgear packages
• Check designs against the grid connection agreement and network operator requirements
• Assess change requests, variations and technical claims, advising the client on their merit
• Support technical bid evaluation for major equipment
• Carry out site inspections, witness FAT and SAT, and oversee commissioning, energisation and handover
• Keep the technical risk register and report progress and decisions needed to the client's leadership

Skills

Chartered status (or progress)

Lead electrical engineer

HV systems 33–132 kV

EPC/supplier management

UK grid connections knowledge

FAT/SAT experience

Education

Degree in electrical engineering

Job description

Mint Selection is seeking an Owner's / Lead Electrical Engineer to lead the electrical side of a grid-scale battery energy storage project in the UK. You will be the client's sole technical lead, coordinating suppliers and EPC contractors from design through energisation.

The role requires hands-on testing, commissioning and independent engineering decisions, with strong HV expertise and experience managing EPCs and grid connection requirements.