Job Summary

Job Type: Full time. Primary Electrical / Substation Design Engineer - in Trichy, Tamil Nadu. The role will develop and independently check primary electrical designs for high-voltage substations and grid connections supporting a UK grid infrastructure programme, covering the full lifecycle from design basis and equipment selection through calculations, specifications, layouts and construction-ready deliverables.
Key Responsibilities
- Prepare design basis documents, SLDs, key-line diagrams, substation layouts, sections, equipment arrangements and technical specifications.
- Perform electrical-clearance, insulation-coordination, equipment-rating and busbar/conductor-selection calculations and assessments.
- Develop primary design inputs for substation earthing and lightning-protection systems.
- Prepare technical requirements and data schedules for transformers/reactors, switchgear, CTs/VTs, surge arresters, disconnectors, earth switches and associated HV plant.
- Coordinate primary-design interfaces with protection/control, SCADA, cables, civil/structural, earthing,



auxiliary supplies and BIM/CAD teams.
- Review supplier drawings and technical data, resolve technical queries and incorporate approved vendor information into designs.
- Produce and independently check calculations, reports, schedules, material take-offs and construction details while applying controlled checking, revision and change-management procedures.
- Support design and safety reviews, procurement, construction, testing and commissioning activities as required.
Required Skills
- HV Substation Primary Design Hands-on authorship and checking of primary engineering deliverables for high-voltage substations.
- AIS/GIS Engineering Practical capability with AIS and/or GIS substations at 400/220/132/33 kV.
- HV Plant Engineering Selection, rating and specification of transformers/reactors, switchgear, instrument transformers and associated plant.
- Clearances & Insulation Coordination Abil

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