Site Manager (HV Substation)

We're working with a client who are looking for a Site Manager for their HV substation project in the Hampshire area. You would be leading the safe, compliant and on-programme delivery of A2MTA works whilst managing the site team, subcontractors and client through to energisation and handover.

This is a contract role starting ASAP and lasting until December 2026. Typical working days would be Monday to Friday, with programmed outage/out-of-hours working.

You must have an SSE (SSEN) authorisation at the Senior Appointed Person/Site Management level.

Key Responsibilities:

• Take overall site responsibility for safe, compliant, on-programme delivery of the outstanding works to the programme completion date of 8 December 2026.
• Act as the primary interface with SSEN operational, authorising and commissioning staff; plan, request and manage HV and LV outages and site access windows.
• Hold and exercise SSE (SSEN) authorisation at Senior Authorised Person / site-management level; control the safe system of work and issue/receive safety documentation.
• Lead and coordinate the site team (site supervisor, fitters/electricians, cable jointer) and specialist subcontractors, allocating resource against the programme.
• Own site health, safety, environmental and CDM compliance; prepare and brief RAMS, run daily briefings, and maintain a zero-harm culture on a live/part-live substation.
• Coordinate the testing, commissioning and energisation sequence with the commissioning engineer and SSEN control.
• Manage quality, inspection and test plan sign-off, snagging and defect close-out.
• Compile and submit commissioning documentation and as-built records; manage de-mobilisation and handover.
• Manage free-issue materials and equipment, plant, logistics and traffic management (A339).
• Report progress, risk and cost against programme to the Contracts/Project Manager.

Essential qualifications and experience:

• Current SSE / SSEN (Scottish and Southern Electricity Networks) authorisation to Senior Authorised Person / site-management level under the applicable Distribution Safety Rules.
• SMSTS (Site Management Safety Training Scheme).
• Recognised electrical/engineering qualification (HNC/HND or C&G in electrical engineering) or equivalent time-served background.
• SHEA Power / EUSR utility safety passport and CSCS/ECS card; first aid at work.
• Full UK driving licence.
• Demonstrable, hands-on experience managing works on high voltage substations at 33kV and 132kV.
• Proven delivery of grid transformer replacement and associated HV/LV installation and commissioning in a DNO/transmission environment (ideally SSEN/SSE).
• Experience planning and managing HV outages and the associated safety documentation.
• Experience leading multi-disciplinary site teams and subcontractors to programme.

Please click here to find out more about our Key Information Documents. Please note that the documents provided contain generic information. If we are successful in finding you an assignment, you will receive a Key Information Document which will be specific to the vendor set-up you have chosen and your placement.

To find out more about Progressive please visit (url removed)

Progressive Recruitment, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC(phone number removed) England and Wales