Senior Protection & Control Design Engineer

Plant, Protection and Control Engineer

Responsible for the design delivery of protection and control systems across a range of electrical infrastructures and new connection projects in both the distribution and transmission sectors.

• Assess client project requirements and produce detailed plant and equipment and protection specifications.
• Create system designs ensuring compliance with applicable specifications and tender documentation; coordinate with manufacturers and suppliers.
• Assist with tendering activities and provide technical guidance for proposed schemes.
• Prepare site layouts and schematics for multi‑staged substation construction projects.
• Manage external plant and equipment manufacturers, design consultants and oversee design outputs to ensure compatibility with electro‑technical requirements.
• Liaise with internal and external design team, clients, manufacturers and consultancies to produce accurate designs within timescales and deliverables.
• Produce detailed electrical control and protection schematic drawings for construction of large electrical infrastructure schemes.
• Produce electro‑technical drawings, plant and material procurement lists and wiring diagrams for control of protection and control systems.
• Prepare functional specifications and advise on procurement of plant and equipment, liaising with manufacturers to order as per client specification.
• Produce detailed specifications for high voltage plant, equipment and ancillary equipment associated with high voltage substations.
• Review equipment manufacturers' proposals and liaise to ensure equipment suitability with proposed design.
• Produce equipment schedules in line with IEC, DNO, ENA, IDNO and client‑based specifications.
• Develop and review single line diagrams, P&C block diagrams and connection diagrams.
• Produce AC and DC schematic drawings, control and protection, cable block diagrams, SCADA and multicore cable and termination schedules.
• Perform relay setting calculations for 11kV, 33kV, 132kV and above; calculate IED/Numerical Protection Relay LEDs, Binary Input, Binary Output and PSL/CFC configurations for Siemens Siprotec‑5/Reyrolle, GE Micom and ABB etc.
• Calculate 110
  
  VDC battery loading.
• Calculate CT/VT sizing and adequacy.
• Maintain electro‑technical and commercial dialogue with suppliers and customers.
• Ensure good technical documentation management and change control.

• Proficient understanding of electricity industry & regulatory standards, policies and their application.
• Strong knowledge of electrical plant, transformer, protection, relays, control and construction disciplines; current ENA, BS and IEC electrotechnical engineering standards.
• Experience in substation construction, cabling, overhead lines, switch gear, protection, control and major electrical plant designs.
• Knowledge of power systems, renewable energy and protection design at all voltages.
• Ability to take a brief scope of works and produce detailed design based on appropriate standards.
• Ability to prepare single‑line diagrams for multi‑stage substation construction projects.
• Relevant degree or equivalent experience.