Job Title: National Grid Competent Person (Civil Operative - NSI 6 & 8) Location: National Grid Substation, Melksham, Wiltshire Sector: Energy / Power Infrastructure Job Type: Temporary Contract Rate: £32 per hour Start Date: 18 March 2026 End Date: 25 September 2026 Hours: 07:30 - 17:30 (Approx. 45 hours per week) IR35 Status: Inside IR35 (PAYE or Umbrella only) The Role: We are currently recruiting an experienced Competent Person / Civil Operative to support works on a live substation project at National Grid Melksham Substation. This is a key role within the site team, responsible for ensuring safe access and operational control within a live HV substation environment, working in line with National Grid safety rules and procedures. Key Responsibilities: Act as Competent Person in accordance with National Grid NSI 6 & 8 Safety Rules Manage safe access and egress of personnel, plant and delivery vehicles within the substation Ensure all works are carried out in line with HSG47 (Avoiding Danger from Underground Services) Support civil works on site in line with groundworker responsibilities Maintain strict compliance with site safety procedures, permits and authorisations Liaise with site management and project teams to coordinate safe operations Monitor site activities to ensure adherence to health, safety and environmental standardsEssential Requirements: National Grid Competent Person Authorisation NSI 6 & 8 - Full Authorisation Strong experience working within live HV substation environments Knowledge and application of HSG47 Manual Handling certification Full PPE required prior to site attendancePlease note: Only candidates with the required National Grid authorisations and competencies will be considered. Project Details: Major National Grid infrastructure project Long-term contract through to September 2026 45 hours per week available Working on a live, high-profile substation environment If you meet the above criteria and are available to start immediately, please apply with your CV for immediate consideration. Search is an equal opportunities recruiter and we welcome applications from all suitably skilled or qualified applicants, regardless of their race, sex, disability, religion/beliefs, sexual orientation or age