Substation Design Engineer - Secondary Design

Location:

Chennai, Tamil Nadu, India

Job ID:

R0129042

Date Posted:

2026-05-14

Company Name:

HITACHI ENERGY TECHNOLOGY SERVICES PRIVATE LIMITED

Profession (Job Category):

Engineering & Science

Job Schedule: 

Full time

Remote:

No

Job Description:

The opportunity

Design authority for an engineering discipline with low to medium complexity. Complete assignments on small projects or portions of larger projects, cost-effectively and in accordance with contract specifications, quality standards and safety requirements. Based on technical specification from end customers and inputs from OU Engineering team, prepare Protection principle SLD, Schematics substation layouts, sections, Bill of materials, RFQs, vetting of vendor offers, engg hours estimation, visit to project sites, technical risk assessment and opportunity evaluation etc

How you’ll make an impact

• Review of Tender document, technical specifications and preparation of Design Intent Document. Preparation of Protection SLD showing principles, relays and meters.

  
  
  

• Preparation of Functional Design Standards/Descriptions. Preparation of Signal list, trip matrix, Logics & Interlocks.

  
  
  

• Review of Vendor drawings and documents (technical vetting of Control & Relay panels, Auxiliary System). Preparation of schematic diagrams for the interface’s equipment in Control & Relay Panel scheme thus providing completeness.

  
  
  

• Preparation of relay ordering information and of circuit diagrams – New & Existing Set-up (applicable for retrofit projects). Preparation of Cable block diagram.

  
  
  

• Preparation of Cable Schedule & BoQ estimation for ordering and Wiring/Termination diagrams. Preparation of Core sheets and SCS IO Schedule.

  
  
  

• Panel Engineering Expertise (Layouts, circuit diagram, wiring table, terminal table etc.,) preferred. Preparation of Voltage drop calculation - Trip & Close coil, LVAC power cable.

  
  
  

• Identification of existing drawings and modifying them using Red and Green markups as per standard requirements. Interface knowledge with Primary Equipment, Bay Controller Units /SCADA/RTU/Tele protection are essential.

  
  
  

• Auxiliary Power System design like Low Voltage AC Panel & DC Panel requirements, Aux Tr and Battery & Charger Sizing, ACDC Cable sizing & CB selectivity study, CT / VT Sizing. Relay configuration (Preferred).

  
  
  

• Excellent knowledge in AIS & GIS secondary designs. As Built documentation. Co-ordination with other departments like primary, lead engineer, sourcing, C&R factory counterpart & own department control and protection etc. for design progress & completion.

  
  
  

• Vendor Offer Evaluations.  FAT / SAT of primary secondary equipment, system as and when needed. Ensure Ontime delivery of design deliverables & to be vigilant on project schedule impacts. Responsible for obtaining customer approvals for the designs and drawings.

  
  
  

• Technical risk and opportunity assessment and validation. Take part in customer meetings / site visits for tender/project clarifications. Support and act as interface engineer during erection & commissioning.

  
  
  

• Estimation of engineering effort for each project for costing at tender stage. Innovative ideas to reduce Engineering effort. Plan, implement, review and continuously improvise quality system.

  
  
  

• Ensure the Safety through design principles which meant for complete project lifecycle.

  
  
  

• Responsible for maintaining and updating the documentation for respective tenders and projects as per quality process.

  
  
  

• Living Hitachi Energy’s core values of safety and integrity, which means taking responsibility for your own actions while caring for your colleagues and the business.

  
  
  

Your background

• Bachelors Engineering in electrical, should have 5 to 8 years' experience.

  
  
  

• Proficiency in required CAD design tools and E3. Knowledge of relevant international standards ex. IEEE, IEC etc.

  
  
  

• Knowledge in substation tendering and project engineering activities (technical & commercial).

  
  
  

• Individual contributor using in-depth knowledge in a specific area to execute complex or specialized projects / challenges often thinking independently to challenge traditional solutions.

  
  
  

• Comprehensive knowledge of related disciplines in the organization. Works independently, applying established standards.

  
  
  

• Excellent English speaker, good communication skills. Dynamic and Proactive, willing to grow in the organization.

  
  
  

• Team player, ready to play the role across the different countries. High level of ownership and able to guide and plan works for the team.

  
  
  

• Proficiency in both spoken & written English language is required.

  
  
  

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