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Looking to move roles but not leaving the Mitie family?
Why not share your experience with others about life at Mitie?
Better places, thriving communities.
📍 Staythorpe BESS, Newark, Nottinghamshire (NG23 5RG)
📍 Additional coverage: Nottingham, Derby, Chesterfield & M1 Corridor
💼 Full-Time | Competitive Salary + Benefits + Company Vehicle
At G2 Energy (G2E), we're a NERS-accredited Independent Connections Provider (ICP) delivering expert high-voltage electrical and civil engineering solutions. We specialise in Contestable Works up to 132kV, with capability to deliver projects on National Grid infrastructure up to 400kV.
We're currently working on a major Battery Energy Storage System (BESS) project at Staythorpe and are seeking an experienced Electrical Site Construction Supervisor to oversee and coordinate on-site delivery. This is a fantastic opportunity to join a growing business playing a key role in the UK's energy transition.
As an Electrical Site Construction Supervisor, you'll be responsible for supervising electrical installation works (LV/HV) on-site, ensuring all activities are completed safely, efficiently, and to the highest standards. You'll work closely with the Project Manager, subcontractors, and suppliers to ensure delivery is “right first time.”
Supervise and coordinate LV/HV electrical installation works.
Oversee installation of switchgear, transformers, earthing, ducting, protection systems, and wiring.
Interpret and deliver works to electrical drawings and DNO specifications (e.g., G81).
Manage and inspect above and below-ground installations.
Support electrical testing, commissioning, and quality checks.
Review RAMS and subcontractor documentation, ensuring compliance with scope of works.
Provide regular progress updates to the Project Manager.
Ensure compliance with NRSWA Section 50, NJUG guidelines, CDM regulations, HSG47, and health & safety standards.
5+ years' experience in LV/HV electrical installations (HV essential).
Strong background with switchgear, transformers, substations, and generators.
Knowledge of DNO standards, G81 specifications, and industry best practices.
Experience supervising subcontractors on technical electrical site works.
Strong understanding of health & safety legislation (CDM, HSG47, etc.).
Proficiency with Microsoft Office (Word, Excel, Outlook).
Experience with works up to 132kV (preferred).
Familiarity with DNO authorisations and SAP processes (desirable).
City & Guilds 2382 – 18th Edition Wiring Regulations
City & Guilds 2391 – Inspection & Testing
City & Guilds 2365 Level 2 – Electrical Installations
Part P (Defined or Full Scope)
SMSTS – Site Management Safety Training Scheme
NRSWA Street Works Supervisor
Emergency First Aid / Fire Warden
Full UK Driving Licence
Competitive salary with overtime & benefits.
Company vehicle and tools provided.
Long-term opportunity at the Staythorpe BESS project.
Ongoing career development and training.
Collaborative, safety-focused working environment.
⚡ Ready to lead the delivery of high-voltage projects powering the UK's future?
Apply now and join G2 Energy at the forefront of the nation's energy transition.
Our market-leading offering provides you with benefits that suit your lifestyle.
We have a virtual GP on hand for you and members of your household. So you can get expert advice by video or phone without having to leave your home. We offer financial wellbeing assistance through our Salary Finance scheme. For example, you could access 50% of your earned pay before payday for a small fee. Salary Finance also offers competitive loans.
When you join us, we’ll give you a link to our flexible lifestyle benefits platform, Choices. You might choose to purchase up to five extra days’ holiday each year. You might buy critical illness insurance, seek dental treatment or buy technology products at an affordable cost. There are many choices!
We give you access to high street discounts from thousands of well-known retailers, gyms and more through our MiDeals platform. And we have a cycle-to-work scheme. Life cover of up to four times your salary is available. We also offer enhanced pension contributions, a save-as-you-earn scheme, and a Mitie Matching Share Plan (you could even be awarded free shares in Mitie).
We award our employees with Mitie Stars as recognition for their hard work. There are cash prizes up for grabs each month and at the end of the year there’s a chance to scoop a top prize of £10,000!
Our success is a direct result of the experience and quality of our people. Progressing your career is therefore a top priority for us. We offer a diverse variety of training and development avenues via a wide selection of learning resources to suit you.
Since 1987, Mitie’s 76,000 employees have been maintaining companies globally. We are the UK’s leading facilities management and professional services company, and our clients range from household names in banking, critical government sites as well as hospitals and schools.
Join our Mitie Team.
Together our diversity makes us stronger.
Looking to move roles but not leaving the Mitie family?
Why not share your experience with others about life at Mitie?
