Senior Electrical Engineer

STEM Returners have a new role as a Senior Electrical Engineer as part of our ongoing placements with SCS Railways.

Reporting directly to the Plant Manager on day-to-day basis regarding safety, quality, productivity of electrical operations and to Tunnel MEP Manager; the Electrical Engineer will be responsible for all the electrical plant, distribution and services required for the construction of the Tunnels and Ventilation Shafts on HS2, S1 and S2 lots; scoping / compliance / specification / procurement / safe installation / maintenance.

Key Responsibilities

  • Safety critical role scope / compliance / specification / procurement / safe installation / maintenance of all Electrical equipment and electrical distribution, Surface, Tunnels and Shaft works – Temp site services and then tunnel construction works
  • Compliance with Costain way Safe systems of works
  • Oversee all the Electrical processes associated with electrical equipment and electrical distribution and associated activities
  • Electrical Engineer will initially be the undertaking the following activities; Equipment work package specifications & procurement / electrical services specifications & single line drawings / site set-up / electrical distribution design and cable sizing / TBM assembly (inc FAT/SAT/Commissioning) / TBM operation and maintenance / surface and tunnel conveyor (assembly/commissioning/operation) / Grout Batching plant / Gantry cranes / MSVs / hyperbaric systems / surface & tunnel HV/LV distribution / lighting systems / communication systems. Cross-passage sub-distribution, including all equipment associated with SCL cross-passage construction, ground freezing, de-watering wells
  • Produce and communicate the Electrical Operating Safety Procedures, including; Safe Systems of Work (SSOW), Risk Assessments & Method Statements (RAMS), Task Briefings.
  • Produce weekly / monthly progress reports to the Tunnel MEP PM highlighting variances in the budget, production targets and KPIs.
  • Develop innovative systems and processes to ensure maximum availability of equipment and safe systems of work at all times.
  • Design / design check electrical distribution requirements across all shaft / tunnel construction sites
  • Implement a planned preventative maintenance scheme and oversee the spare parts management.
  • Maintain all records of inspections and maintenance (planned & unplanned)

Other Responsibilities

  • Close liaison with the immediate tunnel construction team on requirements and programme.
  • Close liaison with wider Electrical team working on East, Central and West on requirements and programme.
  • Close liaison with the procurement team to ensure electrical spares max/min stock levels are maintained.
  • Close liaison with the SCS Safety team.
  • Close liaison with Planning teams.
  • Promoting and monitoring the roll out and implementation of SCS values and behaviours.

Qualifications & Skills


  • Experience in a similar level role, responsible for the scope specification, design, underground and surface temporary electrical distribution and all electrical equipment associated with tunnel construction.
  • An accepted professional electrical qualification; Degree or HNC, HND in Electrical Engineering
  • Qualification in Construction Management & Safety Management
  • Strong leadership, communication and conflict management skills
  • In depth knowledge of industry regulations for, construction and testing and commissioning of tunnelling electrical equipment and services (e.g. BS 6164 and Electrical Regulations).
  • Experienced in tunnel drives and SCL works; minimum 5 years as electrical engineer, with at least 2 years as Senior Electrical Engineer


  • Expert knowledge of products, construction details and relevant rules, regulations and quality standards
  • Experience of a self-assurance / self-delivery model of temporary electrical systems
Companies: SCS Railways
Locations: Ruislip (Greater London)

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