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 company 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, escalating delays, risks, or issues to senior management, and assisting 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.
What you’ll need
* Proven experience supervising works on high voltage substations (132kV – 400kV preferred)
* Strong knowledge of National Grid standards and procedures and 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)
* CSCS Card (Supervisory/Manager level)
* First Aid at Work
* Ability to read and interpret engineering drawings
* Strong leadership and communication skills
* National Grid Person/Competent Person (desirable)
* IOSH / NEBOSH (desirable)
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
Why Jacobs?
People are Jacobs’ greatest asset, and we offer a competitive package to retain and attract the best talent.
UK employees also receive free single medical cover and digital GP service, family‑friendly benefits such as enhanced parental leave pay and free membership of employee assistance and parental programmes, and reimbursement towards relevant professional development and memberships. We also give back to our communities through our Collectively program which incorporates matched‑funding, paid volunteering time and charitable donations.
Our hybrid working policy allows employees to split their work week between Jacobs offices/projects and remote locations, enabling them to deliver their best work.
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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