At Jacobs, we’re challenging the status quo to reinvent tomorrow by solving the world’s most critical problems for thriving cities, resilient environments, mission‑critical outcomes, operational advancement, scientific discovery and cutting‑edge manufacturing.
Your impact
This is a fantastic opportunity to step into a hands‑on, high‑impact role supporting National Grid substation ground investigation projects across the UK. As a Site Supervisor, you’ll be at the centre of day‑to‑day site delivery, ensuring work is carried out safely, efficiently, and to the highest quality standards. You’ll oversee contractors, coordinate activities, manage logistics, and act as a key link between project managers, engineers and client representatives. Working within a highly regulated environment, you’ll help ensure full compliance with CDM Regulations, National Grid Safety Rules and our HSE procedures – making safety your top priority. This role offers the chance to contribute to nationally significant infrastructure while developing your expertise in a fast‑moving, technically rich environment.
Key Responsibilities
* Health, Safety & Environment: Deliver daily briefings and toolbox talks, enforce RAMS and Permit to Work systems, ensure compliance with CDM Regulations 2015, National Grid Safety Rules, PPE requirements, safe access/egress, and environmental controls, and stop work where unsafe practices are identified.
* Site Supervision & Coordination: Supervise subcontractors and direct workforce, plan and coordinate daily activities to meet programme milestones, manage site logistics including deliveries, plant and access, and ensure all works follow approved drawings, specifications and National Grid standards (NGTP, TS, etc.).
* Stakeholder Liaison: Work closely with Project Managers, Engineers and client representatives including National Grid and DNOs to ensure smooth communication and alignment.
* Quality Assurance: Carry out inspections and sign‑offs, support the development of Inspection & Test Plans and quality records, ensure all works meet required standards, and identify and report defects or non‑conformances.
* Programme Delivery: Monitor progress against schedules, escalates delays, risks or issues to senior management, and assist in planning phased works, outages and shutdowns.
* Documentation & Reporting: Maintain accurate site records including daily diaries, permits and inspection reports, provide regular updates to the Site or Project Manager, and ensure all documentation meets audit requirements.
Requirements
* Proven experience supervising works on high‑voltage substations (132kV – 400kV preferred)
* Strong knowledge of National Grid standards and procedures, CDM Regulations and HSE compliance
* Experience working in live substation environments
* Relevant electrical or engineering qualification (HNC/HND or equivalent)
* SMSTS (Site Management Safety Training Scheme)
* First Aid at Work
* Ability to read and interpret engineering drawings
* Strong leadership and communication skills
Additional Requirements
* Willingness to travel and work away from home if required
* Flexibility to work outages, weekends or night shifts where necessary
* Full UK driving licence
Benefits
* Competitive package and remuneration
* Free single medical cover and digital GP service
* Enhanced parental leave pay
* Free membership of employee assistance and parental programmes
* Reimbursement towards professional development and memberships
* Matched funding, paid volunteering time and charitable donations through the Collectively programme
As a disability‑confident employer, we will interview disabled candidates who best meet the criteria. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.
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