Senior Power System Secondary Engineer

### **Job Information** * Job Opening ID ZR\_984\_JOB * Date Opened 08/01/2026 * Job Type Full time * Work Experience 8\+ years of engineering experience with a demonstrable focus on substation secondary systems design and delivery * Job Opening Status Open * Industry Energy and Utilities * Degree Bachelor's * Job Role Senior Power System Secondary Engineer * City Duqm * State/Province AI Wusta * Country Sultanate of Oman * Zip/Postal Code 0000 ### **Design****Review****\&****Verification** * Lead the review and verification of all secondary design deliverables — including Single Line Diagrams (SLDs), Protection \& Metering Diagrams (PMDs), Block Logic Diagrams (BLDs), AC/DC schematics, and LV System Design Documents — for HV substations and renewable plants. * Verify protection and control philosophies, including relay settings, selectivity analyses, and coordination studies (short\-circuit calculations, CT/VT sizing) prepared by consultants and EPC contractors. * Review and approve interlocking schemes, bay\-level logic, and station\-level automation across switchgear, transformers, feeders, and renewable energy plant interfaces. ### **Substation Automation****\&****SCADA** * Approve substation automation and SCADA architectures, ensuring correct implementation of IED logic, signal lists, and interlocking schemes at bay and station levels. * Oversee the integration and configuration of communication protocols — IEC 61850 (GOOSE/SV/MMS), IEC 60870\-5\-104, and DNP3 — governing data flow between Plant Power Controllers (PPC/EMS), substations, and utility control centers. * Review IED configurations, substation HMI displays, and historian / data management architectures for completeness and compliance. * Telecommunications \& Cybersecurity * Review and validate communication and telecommunication architectures, including managed network design (VLANs, PRP/HSR redundancy), cybersecurity policies (IEC 62351 / NERC\-CIP aligned), and tele\-protection performance requirements. Ensure robust cyber\-physical security practices are embedded throughout the secondary system design lifecycle. * ### **Standards,****Compliance****\&****Grid****Code****Adherence** * Ensure strict adherence to international standards and grid codes (IEC, IEEE/ANSI) by performing technical audits and vetting technical submissions to Transmission / Distribution System Operators (TSO/DSO). Manage technical interfaces and coordinate between EPC contractors, engineering consultants, OEMs, and the grid operator to ensure a coherent and optimized secondary systems design. * ### **Requirements** ### **Education** Bachelor’s or Master’s degree in Electrical Engineering, Power Systems, or a closely related field. Professional Engineering registration (PE / CEng or equivalent) is an advantage. ### **Experience** 8\+ years of engineering experience with a demonstrable focus on substation secondary systems design and delivery. Significant experience in a developer, owner’s engineer, or utility role with direct responsibility for managing and challenging EPC contractor deliverables. Proven track record on grid\-connected utility\-scale renewable energy projects (Solar PV, Wind) and/or Battery Energy Storage Systems (BESS). Experience working across the full project lifecycle from FEED and detailed design through to FAT, SAT, and commercial operation.