> Markdown version of [/jobs/ext/725270-hv-gis-ais-fitter](https://www.wearedevelopers.com/jobs/ext/725270-hv-gis-ais-fitter). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # HV GIS/AIS Fitter - **Company:** OCU Group - **Location:** Resolven, UK - **Contract:** Permanent contract - **Skills:** Reliability Availability Maintainability and Safety Software, Reliability of Systems - **Published:** June 29, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=d016f8cd25523382 ## About the Role * NVQ Level 3 or equivalent in Electrical Engineering * Experience working on 11kV-33kV systems and above * Competence in HV switching (AP/CP authorisation desirable) * Strong understanding of electrical protection systems * Full UK driving licence Desirable * Experience working within substations or distribution network environments * Familiarity with HV commissioning processes * Additional HV authorisations or safety certifications ## Description * Play a key role in the safe installation, maintenance and repair of high-voltage electrical systems across substations, industrial sites and distribution networks * Ensure the reliable operation of HV assets in line with statutory regulations and company procedures * Work within a skilled engineering team delivering essential HV services to critical infrastructure, * Carry out planned and reactive HV maintenance on switchgear, transformers, circuit breakers and associated equipment * Diagnose and resolve electrical faults to minimise downtime and maintain system reliability * Install HV components, cabling and protection systems to engineering specifications * Perform HV testing (VLF, insulation resistance, pressure testing) and support commissioning activities * Work in accordance with HV safety rules, permits, RAMS and UK legislation including EAWR and PUWER * Complete job sheets, test records and asset documentation accurately ## Related Videos - [101 brilliant things of C++](https://www.wearedevelopers.com/videos/181-101-brilliant-things-of-c) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [Designing Reliable Distributed Systems: Failures, Retries & Idempotency](https://www.wearedevelopers.com/videos/1963-designing-reliable-distributed-systems-failures-retries-idempotency) - [From Space to Software: Reliability Lessons 40 Years After Challenger](https://www.wearedevelopers.com/videos/100283-from-space-to-software-reliability-lessons-40-years-after-challenger) - [RPC Reinvented: Asynchronous, Durable, and Agent-Ready](https://www.wearedevelopers.com/videos/1643-rpc-reinvented-asynchronous-durable-and-agent-ready) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Software Engineer Salary in The UK](https://www.wearedevelopers.com/magazine/231-software-engineer-salary-in-the-uk) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)