Secondary Systems Engineer
Core
Own the protection, control, metering, SCADA and communications design for HV substations and BESS projects to ensure safe fault clearing and remote monitoring.
Role type
Senior IC secondary systems engineer (HV)
Builds
Protection schemes, control systems, SCADA architectures, and testing procedures for substations and battery energy storage systems.
Domain
Energy infrastructure (High Voltage transmission/distribution/generation)
Required skills
HV secondary systems design, protection philosophy development, SCADA architecture, IEC 61850 networking, substation control design, FAT/SAT procedures, injection testing
Preferred skills
Renewable or BESS connection experience, power plant controller design
Technologies
IEC 61850, RSTP, PRP/HSR, PTP/GPS, SCADA, HMI, RMUs, SUTs
Responsibilities
Develop protection philosophy and single line diagrams for 66 kV, 33 kV and LV systems; Design protection schemes for transformers, MV feeders, RMUs, busbars, and earthing/auxiliary transformers; Coordinate protection with network service providers including intertripping and anti-islanding; Design substation and plant control systems including bay controllers and interlocking; Define SCADA architecture linking switchgear and controllers; Produce schematics, wiring diagrams, cable schedules, panel layouts, IO lists and protection settings files; Prepare FAT and SAT procedures and witness factory testing; Lead secondary injection testing, scheme and end-to-end testing, SCADA point-to-point checks and energisation.