Rubicon Consulting is currently recruiting for an M\&E Supervisor on a 6‑month rolling contract based in London & the South East.
Role Summary
We are seeking an experienced M\&E Supervisor to join site teams delivering works within the National Grid supply chain framework across London and the South East. Operating on a contract basis through a Ltd company, the successful candidate will take day‑to‑day supervisory responsibility for mechanical and electrical activities on high‑voltage substation projects, ensuring safe, compliant and efficient delivery in line with National Grid standards and client requirements.
This is a hands‑on supervisory role requiring strong technical knowledge across both M\&E disciplines, the ability to manage and motivate site teams, and a thorough understanding of the permit‑to‑work systems and safety standards applicable to high‑voltage transmission environments.
Key Responsibilities
* Supervise all mechanical and electrical site activities in line with the project programme, scope of works and client specifications
* Manage and coordinate site teams of HV fitters, wiremen, electricians and subcontractors on a day‑to‑day basis
* Enforce strict adherence to health, safety and environmental standards including National Grid safe systems of work
* Hold and administer permits to work (PTW), LOAs and isolations in accordance with National Grid safety rules
* Conduct daily toolbox talks, briefings and site inductions; ensure all operatives are competent and appropriately certified
* Review and implement RAMS, ITPs and method statements; identify and elevate any deviations or non‑conformances
* Liaise directly with the client's site representative, project manager and commissioning teams
* Monitor progress against programme; report daily on productivity, resource levels and any issues or delays
* Ensure all materials, plant and equipment are on site, in good order and correctly deployed
* Coordinate with commissioning engineers during testing and energisation phases
* Maintain accurate site records, timesheets, inspection records and completion documentation
* Drive a culture of quality and continuous improvement across the site team
Requirements
Essential
* Proven experience as an M\&E Supervisor on HV substation or power transmission projects
* Previous work within National Grid framework — familiarity with NG standards, documentation and safe systems of work essential
* Competent to hold and administer permits to work, LOAs and switching operations
* Strong mechanical and electrical background — GIS/AIS substation experience highly desirable
* CSCS card — minimum Supervisory level
* SMSTS (Site Management Safety Training Scheme) or SSSTS
* First Aid at Work
* Full UK driving licence — essential for multi‑site travel across London and South East
* Excellent communication skills — able to manage teams and interface confidently with client and principal contractor representatives
* Ability to read and interpret engineering drawings, schematics and technical documentation
* Registered and trading as a Limited Company — IR35 status to be confirmed
Desirable
* HV Authorised Person (AP) or Senior Authorised Person (SAP) — National Grid or DNO issued
* IPAF 3a & 3b (MEWP operator)
* CPCS Appointed Person or Slinger Signaller
* Experience on GIS substation installation or upgrade projects
* Familiarity with IEC 61850, protection relay testing or commissioning assistance
* Experience with cable pulling, earthing systems, containment and steelwork
* Previous experience on Tier 1 contractor frameworks
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