[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All National Grid jobs](https://jobs.opennash.com/companies/national-grid/) · [Search jobs](/search/) National Grid · Wickford, GB # Mechanical Fitter - Rayleigh Wickford, GB Skilled Trades & Maintenance Listed on National Grid’s official careers site. Posted October 5, 2026. Check that it is still open and apply there. [Apply on National Grid’s careers site →](https://jobs-ats.nationalgrid.com/job/Wickford-Mechanical-Fitter-Rayleigh-SS11-8TZ/1436699300/) [OpenNash Jobs](https://jobs.opennash.com/) / [National Grid](https://jobs.opennash.com/companies/national-grid/) / Mechanical Fitter - Rayleigh ## Job description Keep Britain's electricity network moving — and help power the future. National Grid is investing heavily in the UK's electricity transmission network, expanding and modernising substations to meet future energy needs. We're growing our Essex team and looking for a skilled engineer ready to build a long-term career maintaining some of the country's most critical infrastructure. Pay and Benefits Salary package £47,213 pa including allowance. Paid overtime + Bonus (2026 – up to 4%), Company commercial vehicle from home to work. 26 days holiday plus 8 statutory days, Contribution Pension - Employee and Company Max Total 18%. Hours - 37 Avg Monday to Friday, Days only (Winter 36 hrs / Summer 38 hrs - 4 day working pattern). For further benefits information please click the link - Benefits | National Grid Careers Role overview This hands-on, mechanically biased engineering role involves maintaining, repairing and overhauling the equipment that keeps National Grid's Electricity Transmission substations operating safely and efficiently. Working predominantly outdoors and sometime at height on a mobile platform, you'll carry out a wide range of maintenance activities including: Stripping, inspecting and rebuilding mechanical components Diagnosing faults and carrying out repairs Replacing worn and ageing components including bearings, seals, fasteners and moving parts Installing new or refurbished equipment Supporting planned maintenance and emergency breakdown response Performing routine inspections and condition monitoring You'll work on specialist equipment including: Circuit breakers Power transformers High-speed on-load tap changers Air compressor systems Cable systems Ancillary equipment across high-voltage substations. Every day brings new challenges, from rebuilding equipment and aligning components to solving mechanical faults. We'll provide industry-leading training at our Eakring Training Centre in Nottinghamshire, alongside practical site learning, to help you build specialist high-voltage engineering expertise. Training may include occasional stays away from home, supported by overnight and mobility allowances. Some weekend working is required, with paid overtime available. Qualifications, Skills and Experience We're keen to hear from candidates with: A recognised apprenticeship in Mechanical engineering, or an NVQ/Level 3 Mechanical engineering qualification with relevant fitting experience. Strong mechanical maintenance, overhaul or installation experience. Experience stripping, rebuilding and repairing plant and equipment. Confidence using hand tools, power tools, precision measuring equipment and torque tools. A proactive approach to fault finding and problem solving. A strong commitment to safe working practices and can work at height. A full UK driving licence. Confidence using a computer and iPad. You live within approximately within 30 minutes travel to Rayleigh, Essex. It would be great if you also have: Experience working on high-voltage equipment Previous experience within power generation, utilities, manufacturing, heavy engineering or process industries NEBOSH or IOSH qualifications Please note that visa sponsorship and relocation packages are not available for this role. Build a career that powers the UK If you want a role where your skills are valued, your development is supported and your work makes a genuine difference, we'd love to hear from you. #LI-RG2 ## At a glance - Posted by the employer: Oct 5, 2026 - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 11, 2026 - Listed for: 6 days - Location: Wickford, GB[Apply on National Grid’s careers site →](https://jobs-ats.nationalgrid.com/job/Wickford-Mechanical-Fitter-Rayleigh-SS11-8TZ/1436699300/) ## More jobs at National Grid ### [Auto Mechanic - 2nd Shift](https://jobs.opennash.com/companies/national-grid/jobs/24c1a40d5e909022c1e5/) Brooklyn, NY, US ### [Drafting Technician B- Electrical (3)](https://jobs.opennash.com/companies/national-grid/jobs/c95aacb4c124f15c2392/) Syracuse, NY, US ### [Fleet Technician A (C Vacancy) (2)](https://jobs.opennash.com/companies/national-grid/jobs/d7a5dd518bd9653f6893/) Albany, NY, US ### [Head of Converters, Operations and Maintenance - Britned](https://jobs.opennash.com/companies/national-grid/jobs/6f177b0a551df62eff6c/) Rochester, GB ### [Line Mechanic-Hot Stick (Anticipated)](https://jobs.opennash.com/companies/national-grid/jobs/a8e44ca5123e935ad9df/) Gloversville, NY, US ## Similar jobs at other companies ### [Mechanical Fitter](https://jobs.opennash.com/companies/sgs/jobs/5683fd8bde57f626c421/) SGS · Immingham, England, United Kingdom ### [Mechanical Tradesperson - Fitter](https://jobs.opennash.com/companies/wilmar-international/jobs/1c3558e3151f032bf75d/) Wilmar International ### [Mechanical Fitter](https://jobs.opennash.com/companies/genuine-parts/jobs/c90f4d702be39419ee06/) Genuine Parts · Rutherford, New South Wales ### [Mechanical Fitter](https://jobs.opennash.com/companies/sgs/jobs/cf3f8b8b281e5d1132cf/) SGS · Taupo, Waikato Region, New Zealand [Skilled Trades & Maintenance jobs](/functions/skilled-trades-maintenance/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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