Job Title: NDH / Commissioning Technician (LV Systems) – National Grid Substation
Location: Alyth Substation, Scotland, PH11 8DX
Start Date: ASAP
Duration: 10 months
Rate: 55–60/hour DOE
Hours: 45–50 per week
Contract type: Contract
Looking for a Commissioning Tech to act as a Senior Authorised Person (SAP) / Nominated Designated Holder (NDH) who can take ownership of LV electrical safety on a live National Grid substation project. This is a key position acting as NDH, managing LV systems within an HV environment. This is ideal for someone with strong substation experience and confidence operating at that level.
Key Responsibilities
- Act as NDH (Nominated Designated Holder) for all LV systems on site
- Carry out and support commissioning activities across LV systems
- Manage LV isolations, permits, and switching activities
- Oversee temporary and permanent LV supplies within the substation
- Ensure compliance with all site safety rules and procedures
- Interface with SAPs, Commissioning Engineers, and Site Teams
- Support delivery of works in line with programme and project milestones
Requirements
- Strong experience as a Commissioning Technician / Engineer on HV substations
- Proven capability managing or supporting LV systems within 132kV-400kV environments
- Experience working on National Grid or DNO substation projects
Essential Certifications
- National Grid SAP (Senior Authorised Person) or equivalent (highly preferred)
- NG Person or DNO equivalent
- Relevant Electrical Qualifications
Desirable
- Previous experience operating as NDH or LV Responsible Person
- Background in HV commissioning environments
- Experience across NG, SSEN, or SPEN projects
Key Attributes
- Strong understanding of electrical safety and safe systems of work
- Ability to operate both hands‑on and in a supervisory capacity
- Clear communication across commissioning and construction teams
- Proactive and safety‑led approach to delivery
Additional Information
- Working on a major UK transmission project
- Long‑term opportunity with a strong pipeline of work
- Competitive day rates available (depending on experience)
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
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