Secondary Engineer – HV Substations (Protection, Control, SCADA & Automation)
AFRY · Posted Nov 9, 2026
- Kuala Lumpur, Kuala Lumpur, Malaysia
- Competitive salary package
- 5–10 years
Responsible for engineering design, review and implementation support of protection, control, SCADA, Substation Automation Systems, and secondary systems for high‑voltage substations.
Responsibilities
- Develop protection philosophies, coordination concepts, relay selection studies, protection logic, tripping and interlocking schemes, and relay settings calculations.
- Prepare and review substation control philosophies, bay control architecture, control logic, Functional Design Specifications, and station and bay‑level control systems.
- Design and review SCADA and Substation Automation Systems, including communication architecture, RTUs, gateways, HMIs, signal lists, point lists, I/O schedules, and IEC 61850 implementation.
- Prepare and review secondary engineering documentation including protection single‑line diagrams, three‑line diagrams, AC/DC schematics, wiring diagrams, terminal block diagrams, panel layouts, and tripping logic diagrams.
- Design AC and DC auxiliary systems including battery chargers, UPS systems, battery banks, DC distribution boards, load schedules, sizing calculations, and redundancy architecture.
Requirements
- Bachelor's Degree in Electrical Engineering
- Nice to have: Renewable energy grid connections
- Nice to have: Battery Energy Storage System (BESS) projects
- Nice to have: Data centre substations
- Nice to have: ASEAN interconnection projects