Secondary Design Engineer - Lead (Substations)

• *Secondary Design Engineer \- Lead (Substa...**
• -----------------------------------------------

LNT/SDE\-L/1750027

• PTD\-Power Transmission \& Distribution \- IC
• Chennai Head Qrs.
• Posted On 29 May 2026
• End Date 25 Nov 2026
• Required Experience 6 \- 10 years

• *Skills**
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#### **Knowledge \& Posting Location**

Automation SCADA Project Engineering Protective Relays Schematic Design Telecommunication CRP Equipment Sizing

#### **Minimum Qualification**

B.Tech/BE

• *Job Description**
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• *Job description**

As lead secondary design engineer\-substations the person shall be capable of creating \& reviewing \& executing secondary engineering / electrical design activities for substation/ power distribution projects. She/he will \-review BOQ \-check vendor offers for protection relays/SAS/LVAC and DC systems\-generate Single Line Diagram(SLD) / protection and control SLD / interlocking schemes / cable schedules / review schematics / propose SAS signal lists and detailed design drawings along with drafters \-will prepare calculations e.g. Ct sizing / battery dg sizing / cable sizing / lv cable estimation etc. Will deliver outcomes on time as per project needs.

• *Job specification**

Experience in high voltage substation secondary design min 7 years with voltage levels 15kV up to 500kV covering both AIS and GIS. Having BTech\-BSc equivalent degree in electrical and electronics engineering. Worked in multinational projects. Able to manage a team of engineers and drafters. MTech degree and site commissioning experience is an asset. Working level knowledge on power system studies is desired.

• *Key responsibilities:**

• Timely completion of all deliverables

• Responsible for review of CRP (control relay panels) and automation drawings developed by the vendor

• Interact with site execution \& cluster teams for clarification w.r.t. The design of equipment

• Interact with vendor for clarification w.r.t. Compliances to technical specifications \& comments and quality

• Coordinate with primary design engineer obtaining specification requirement of the client and checklist for evaluation from the project engineering managers

• Evaluate technical offers based on technical specification (requirement) of the client and timely submission to design lead (secondary) for review

• Prepare design calculations of CT / VT and battery sizing and development of dc \& ac single line diagrams of a substation and submitting to the design lead for checking

• Review bill of material and comparing with the tender quantity

Pre\-tender engineering including estimation of BOM (bill of materials) and offer reviews for secondary equipment