Electrical Secondary Design Engineer(Substation)

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.

Knowledge (Technical / Functional):
• Knowledge of civil engineering- Particularly basic knowledge of execution of transmission projects, various techniques etc.
• WORKING KNOWLEDGE OF SOFTWARE
1. ETAP
2. Siemens DIGSI

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

7. GridWorX

• KNOWLEDGE OF DESIGN CODES
1. IEC
2. IS

3. IEEE

4.CEA/CBIP