Protection and Control (Secondary) Design Engineer

Overview

Join the Protection and Control team for BESS projects to lead protection design and interfacing with substations and networks. You will collaborate with engineers and designers to deliver robust, compliant protection schemes for safe and reliable BESS operation. The role sits in an integrated design-and-build environment, offering exposure to end-to-end delivery and collaboration with construction and commissioning teams. This is a chance to shape critical electrical protection for modern energy storage assets within a supportive, growth‑oriented culture.

Pay / Benefits

• MMB pension match between 4.5% and 7%
• annual bonus scheme
• Private Medical Insurance
• Life Assurance
• 33 days holiday (including public holidays)
• Flexible working

Responsibilities

• Develop detailed protection schemes for transformers, feeders, switchgear and BESS inverters, including differential protection and intertrips
• Prepare AC/DC schematics, protection logic, relay diagrams, and settings/coordination studies
• Create single/line diagrams, cable block diagrams, wiring diagrams, schedules and technical reports
• Specify CTs, VTs, relays, protection panels and marshalling kiosks; review vendor specs for compliance
• Perform short-circuit, load flow and fault-level studies to support protection settings and intertrip coordination with TO/DNOs
• Develop SCADA interfaces, signal lists and communication architectures for BESS, PCS, BMS and substation equipment
• Ensure designs comply with G99/G100, DNO G81 and relevant standards and contract specs
• Collaborate with other design disciplines and support installation and commissioning teams to ensure proper on-site delivery
• Contribute to development of standardized systems, processes, designs and specifications

Key requirements

• Degree/HND/HNC in Electrical Engineering (Power Systems preferred)
• Experience with consultancy, contractor or utility in the Power industry
• Proven design experience of HV AC protection systems from 11kV to 132kV (and exposure to 275kV/400kV)
• Understanding of HV and EHV substation installation standards and TO/DNO specifications
• Proactive and initiative-taker with strong problem-solving abilities

• Proactive approach
• Collaboration with cross-functional teams
• Mentoring junior team members
• HV protection design (differential protection, intertrips)
• G99/G100 compliance
• AC/DC schematics and relay logic

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