Secondary Engineer
Core
Design and engineering of secondary systems (control, protection, auxiliary power) for high-voltage switchgear and substations, ensuring safety and compliance across the project lifecycle.
Role type
Secondary Systems Engineer (Control & Protection)
Builds
Control & Relay panels, protection schemes, auxiliary power systems, and associated documentation for substations.
Domain
Power Grid / High Voltage Engineering
Required skills
Secondary system design, Protection SLD creation, Functional design standards, Signal list & trip matrix logic, Vendor drawing review, Schematic & circuit diagram preparation, Cable block diagram & schedule, Wiring/Termination diagrams, Core sheets, SCS IO Schedule, Voltage drop calculation, CT/VT sizing, Relay configuration, AIS & GIS secondary design knowledge, As Built documentation.
Preferred skills
Panel Engineering expertise (layouts, wiring tables), Relay configuration, FAT/SAT execution.
Technologies
SCADA, RTU, Tele protection, Bay Controller Units, GIS, AIS.
Responsibilities
Review tender documents and prepare Design Intent Documents; Prepare protection SLDs, functional standards, and logic matrices; Review vendor drawings for control and relay panels; Prepare circuit, cable, and wiring diagrams; Size auxiliary power systems and select circuit breakers; Coordinate with primary equipment teams and vendors; Support erection and commissioning as interface engineer; Ensure on-time delivery of design deliverables. (via careerplan.io/jobs/R0139122-secondary-engineer-at-hitachi)
Seniority
Mid-level IC