Senior Electrical Engineer

Big Internet Seller Services Inc; Greater London; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Private Medical Insurance

Pension contributions 5%

Training budget £1,000/year

Cycle To Work

25 days annual leave + 8 bank holidays

Flexible start times

Remote or hybrid options

Job summary

Lunar Energy, based in London, is seeking a Senior Electrical Supervisor to join the UK Customer Support & Engineering team. The role focuses on on-site maintenance, safe installation practices, and coordinating subcontractors across the UK.

You will support engineering teams, shape installation processes for new products, and drive safety and compliance standards in a dynamic clean-energy environment. Flexible hybrid work options are available.

Qualifications

• Significant experience working on electrical installations.
• Previous experience as a Qualified supervisor with NICEIC, NAPIT or similar.
• Experience working to Microgeneration Certification Scheme (MCS) standards.
• Ability to develop safe systems of work and RAMS.

Responsibilities

• Lead on-site maintenance and oversee subcontractors.
• Lead electrical planning in lab and rooftop solar setup.
• Foster safety culture and conduct inspections.
• Develop and roll out an auditing process across subcontractors.
• Aim to achieve NICEIC/NAPIT accreditation and sign-off all work.
• Lead testing and design of installation processes for new products.

Skills

Electrical installations

Site supervision

Safety compliance

Fault finding

EVCP installations

Battery storage systems

CRM usage

CAN bus & Modbus

Education

JIB Gold Card - NVQ3

City & Guilds 2365 Level 3

City & Guilds 2382-26 Level 3

City & Guilds 2391-52 Level 3

IOSH or equivalent safety qualification

First Aid Training

Tools

Salesforce

CAN bus debugging tools

Job description

Lunar Energy was founded to transition homes to 100% clean energy—making our electricity greener, our air cleaner and our energy more safe, secure and reliable for all. We’re a fast-growing, global company building the world’s best clean energy products to electrify all homes and connect communities to form clean, resilient virtual power plants.

We are now seeking an experienced Senior Electrical Supervisor to join our UK Customer Support & Engineering team in our London office. In this role, you’ll carry out on-site work (consisting of maintenance jobs) while ensuring exceptional quality of work by our Subcontractors’.

Further, you will offer electrical installation expertise across the business and specifically to the Engineering team in delivering new products and services. You’ll also play a key role in shaping installation processes for new products, supporting engineering teams, and upholding the highest standards in safety and compliance.

This is a rare opportunity to join a rapidly scaling clean-tech company where you will directly influence field operations, improve processes, and pioneer installation approaches for next-generation energy technologies. If you thrive in dynamic environments, enjoy innovating, and love working with technical products, we’d love to hear from you.

Responsibilities:

• Site visits: Lead on-the-road hardware maintenance and own responsibilities related to the company vehicle.
• Lab & maintenance work: Lead electrical planning and maintenance in the lab, including the rooftop solar setup, working alongside the Test Engineer.
• Safety & quality management: Foster a safety culture, conduct inspections, and ensure all equipment is correctly installed and protected.
• Audits: Develop, document, and roll out a new auditing process across the subcontractor network.
• Accreditations: Will to achieve NICEIC/NAPIT accreditation and sign off all completed work, notifying relevant bodies as necessary.
• Lead new product testing (Installation side): Lead the testing and design of installation processes for all new products with the Engineering Team.

Required experience:

• Significant experience working on electrical installations
• Competence working with:
  • 3-phase systems
  • Solar PV systems
  • EVCP Installations
  • AC and DC wiring systems
  • Battery storage systems
  • Communication systems

Required Skills & Qualifications

• Electrical Installation experience (Min 5 years)
• Previous experience as a Qualified supervisor with an awarding organisation such as NICEIC, NAPIT or Similar (minimum 2 years experience)
• Experience working to Microgeneration Certification Scheme (MCS) standards
• Ability to develop and produce safe systems of work and associated RAMS
• Experience installing, commission and fault finding Electric Vehicle Charge Points (EVCPs)
• Understanding of battery charging profiles and multi-stage charging mechanics
• Hands-on experience in installing some or all of the following products / manufacturers: Victron, Pylontech, BYD, Alfen, Varta, Alpha
• Experience with Sales force or similar CRM
• Ability to interrogate online system data and proactively identify faults within a fleet of connected devices
• An understanding of energy import/export and G98/99/100 requirements
• Experience in the installation, commissioning, and fault-finding of serial communication networks, such as CAN bus and RS485/Modbus
• Strong attention to detail, commitment to safety and quality, and eagerness to grow technical capability
• Ability to think outside the box and to develop solutions to complex problems
• Flexibility in working hours and ability to travel across the UK

Required Skills & Certifications:

Core competency

• JIB Gold Card - NVQ3
• City & Guilds 2365 Level 3 Course (Diploma in Electrical Installation) or equivalent
• Ongoing & Active CPD log

Wiring Regulations

• City & Guilds 2382-26 (Level 3 Award in the Requirements for Electrical Installations (Ideally to latest amendment)

Inspection and testing

• City & Guilds 2391-52 (Level 3 Award in Initial Verification and Periodic Inspection and Testing) or equivalent

Health and Safety

• Institution of Occupational Health and Safety (IOSH) Qualification or similar
• Working at Height
• First Aid Training

Role specific

• Level 3 Award in the Installation and Maintenance of Small-Scale Solar PV Systems
• Level 3 Award in the Design, Installation and Commissioning of Small Electrical Energy Storage System
• Inverter/battery manufacturer specific training

Joining us gives you:-

• Competitive Salary and stock options package
• Private Medical Insurance scheme through BUPA (medical history disregarded);
• A wellbeing and lifestyle benefits plan through Medicash
• Enhanced Pension contributions: employer contributions matching 5%
• A budget for work related training of £1,000 per financial year and an allowance of 4 training days
• Cycle To Work scheme and Workplace Nursery benefit
• Access to Spill - Mental Health Support platform
• Enhanced Maternity + Paternity Pay
• 25 days annual holiday entitlement + 8 Bank Holidays
• Flexible start and finish times, fully remote working or hybrid depending on preferences

Location: You will work from our London office (located close to Spitalfields Market) at least one day a week,and will be expected to travel across the UK as and when needed

We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age.