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Substations - Design Engineer

Confidential Company

Job Type

Full-time

Work Type

On-Site

Location

Cairo, Egypt

Experience

4 - 10 years

Key Responsibilities:

  • Prepare and review engineering deliverables for HV/MV substations associated with large-scale solar PV plants, including single line diagrams, general arrangement layouts, sections, elevations, grounding drawings, and lightning protection layouts.

  • Perform and check key electrical design calculations, including grounding/earthing studies, lightning protection, cable sizing, voltage drop, short-circuit calculations, auxiliary load calculations, and equipment sizing.

  • Prepare and review technical specifications, equipment datasheets, BOQs, and material requisitions for substation systems.

  • Support the design and selection of major substation equipment such as power transformers, GIS/AIS switchgear, circuit breakers, disconnectors, CTs, VTs, surge arresters, harmonic filters, shunt reactors/capacitor banks, and reactive power compensation equipment.

  • Review vendor drawings, calculations, and technical submittals to ensure compliance with project requirements, grid code obligations, utility standards, and applicable international standards.

  • Coordinate closely with solar plant design, grid interconnection, civil, structural, mechanical, protection, control, SCADA, and construction teams to ensure smooth interface management and integrated design delivery.

  • Ensure designs comply with IEC, IEEE, ANSI, utility requirements, local regulations, and client specifications.

  • Support project execution through design reviews, technical meetings, procurement support, site queries, construction clarifications, factory acceptance support, and commissioning assistance.

  • Review or support secondary engineering deliverables such as control schematics, cable schedules, interconnection diagrams, panel layouts, and interface drawings to ensure full alignment between primary and secondary systems.

  • Contribute to the standardization of substation design approaches across multiple giga-scale PV projects to improve quality, constructability, repeatability, and delivery efficiency.