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Senior Design Engineer

J. Murphy & Sons Ltd
Cannock · posted 19 August 2026
Location
Cannock, England
Category
Engineering

Senior Engineer - HV Substation Protection & Control

A day in the life of a Senior Engineer - HV Substation Protection & Control:

  • Receive and interpret client design specifications and lead the team to develop the conceptual design.
  • Lead the design team to create specifications and Bill of Quantities for equipment to enable Bid Managers to send out Requests for Quotations.
  • Lead the team to assess supplier quotations and engage suppliers to technically align those quotations with specification requirements.
  • Produce time estimates for engineering the detail design.
  • Ensure that chargeable work is identified and evaluated including the preparation of adequate records of time spent.
  • Lead the design team to ensure that detail design work undertaken is carried out in accordance with company procedures and that a high level of professionalism is maintained.
  • Lead the design team to produce detailed designs, calculations, drawings, diagrams and sketches in accordance with current relevant client standards and current codes of practice.
  • Undertake design checks for team members and external designers.
  • Provide advice and guidance on design and operational issues.
  • Ensure design risks are considered and prepare design risk assessments for any residual risks.
  • Manage and supervise members of the design team to ensure the timely delivery of information, checking the quality of the work.
  • Manage and supervise sub‑contractors to ensure the timely delivery of information, checking the quality of the work.
  • Provide assistance and mentoring to other members of the design team and contribute to their continued learning and development.
  • Interface to extract or provide sufficient information to enable the wider project design team to produce detailed design drawings suitable for construction.
  • Undertake site visits and surveys.

Qualifications & Experience

  • Experience in the design and delivery of high‑voltage transmission and distribution substation projects.
  • National Grid TP141 HV Substation Protection & Control (CDAE) authorisation.
  • Ensure that feedback on design work is collated and saved in accordance with procedure.
  • Liaise with other departments and project teams within the company with regards to design requirements.
  • Assist all business units and their clients to understand the full scope and meaning of substation automation designs from tender stage to completion.
  • Provide substation automation and secondary system guidance through the entire construction process of projects, answering any required technical questions.
  • Prepare conceptual designs with a view to the preparation of safe, practical and economic designs in accordance with current legislation.
  • Manage the interface with internal or external design teams on behalf of the Design Manager/Project teams.
  • Administration and monitoring of Change Controls.
  • Develop and maintain relationships with relevant technical consultants and suppliers, managing their input in the design, development, pricing and delivery of technical solutions on site and for tenders.
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