Electrical Secondary Design Engineer(Substation) - KSA & UAE

PRE-BID DESIGN:

• Analyze RFQs, tender specifications, and client documents for control, protection, and automation requirements.

• Prepare preliminary overall SLDs, protection SLD, and SCADA/communication architecture diagrams.
• Estimate control & protection scope including:
• Control relay Panel counts.
• Relay types or models & quantities
• Power, control and FO cable quantity estimation as per voltage level of Substation.
• Terminal and I/O card requirements.
• Identify typical schematics and wiring philosophies based on prior standards or project experience.
• Interface with proposal, costing, and procurement teams to support technical input for BOQ and bid pricing.
• Provide relay and protection scheme selection recommendations based on voltage level, technical specification, grid codes, and cost-efficiency.
• Suggest design optimizations to reduce cost while maintaining technical compliance.
• Coordinate with OEMs and vendors for budgetary quotations, compliance, and integration feasibility.
• Support the preparation of:
• Technical offer documents
• Bid clarifications
• Deviation lists

Compliance matrices.

EXECUTION OF CONTRACT:

• Develop secondary engineering design drawings including:

• Control & Protection SLD & Schematics.
• Wiring Diagrams
• Inter trip and Interlocking Logic Diagrams.
• All type of Relay settings.
• CT & PT sizing calculations and Time-Current characteristics.
• Cable & Termination Scheduling Details.
• Panel General Arrangement, Board formation & BOM
• SCADA & Telecommunication architecture and interfaces.
• Prepare detail engineering for:
• Protection systems (line, transformer, busbar, Bus sectionalize breaker failure, etc.)
• Metering & control circuits
• Bay control units (BCUs), relays, RTUs, and IEDs
• Select and specify protection relays and control equipment based on project and client needs
• Ensure designs comply with relevant standards (IEC, IEEE, IS) and utility codes
• Interface with primary design, civil, Mechanical, Fire protection, Firefighting, CCTV surveillance, communication and project engineering teams for coordinated substation layout and cable routing
• Prepare BOQ and support procurement with technical data sheets

Participate in design reviews, client meetings, FAT/SAT of panels, and support during commissioning if required

Experience: Min. 7-12 years of experience.

3. Schneider Electric's Eco Struxure Power Commission.

4. ABB PCM600 or GE Ener vista

5. Siemens SICAM PAS / SICAM SCC

6. ABB Micro SCADA

3. IEEE

4.CEA/CBIP