Secondary Engineering

Hitachi Energy Ltd.; Chennai District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Hitachi Energy Technology Services Private Limited in Chennai invites an experienced Electrical Engineer to lead GIS/AIS substation design and protection schemes across the full project lifecycle.

You will coordinate with engineering leads, vendors, tendering and site teams to prepare SLDs, BOMs, tender deliverables, and oversee electrical design activities. The role demands 6–10 years of substations experience, CAD proficiency, and familiarity with IEC/IEEE standards.

Qualifications

• Bachelor's in Electrical and Electronics Engineering.
• 6–10 years of experience in electrical substations.
• Experience with GIS/AIS substations across full lifecycle.
• Knowledge of IEC/IEEE standards and protection schemes.

Responsibilities

• Prepare protection SLDs, schematics, BOMs from customer specs.
• Coordinate with engineering leads, vendors, tendering, and site teams.
• Ensure on-time delivery and compliance with safety requirements.
• Support tender engineering and project execution activities.

Skills

CAD tools

E3

AIS GIS

Protection schemes

Tender engineering

Project engineering

Substation interfaces

IEC IEEE standards

Relay protection

Site coordination

Education

Bachelor's in Electrical & Electronics Engineering

Tools

SCADA SAS

Job description

Job Description

Location: Chennai, Tamil Nadu, India

Job ID: R0139124

Date Posted: 2026-10-06

Company Name: HITACHI ENERGY TECHNOLOGY SERVICES PRIVATE LIMITED

Profession (Job Category): Engineering & Science

Job Schedule: Full time

Remote: No

Main Accountabilities:

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, Bill of materials, RFQs, vetting of vendor offers, Engineering hours estimation, visit to project sites, technical risk assessment and opportunity evaluation etc.,

Coordinate with Engineering Leads, Vendors, Tendering team, Project managers, Site execution team, SCM, Secondary and civil / steel design functions, consultants, end customers etc. and provide required support in each Project / Tender.

The candidate should have experience managing at least two (2) GIS or AIS substation projects across the full project lifecycle.

Specific Knowledge & Skillsets

• Proficiency in CAD design tools and E3 (optional).
• AIS/GIS substation equipment, selection criteria, ratings, and their operational purpose (66kV & above).
• Understanding PQ solutions (STATCOM/SVC) and special substations (Mobile SS/Prefab) - desirable
• Tender Engineering - Tender Spec review, analyzing Client requirements, clarifications, RFQ preparations, Tender deliverables including finalization of layout and SLD interpreting tender inputs.
• Project Engineering – Understand, interpret the project scope & customer specifications, Clarifications, deviations, identify risks, Quality process, etc.,
• Substation Interface Engineering - Cross-functional interfaces during design and execution phases.
• Standards - IEC, IEEE standards related to secondary engineering, clauses and applications, reflects where necessary, negotiate client or vendor constructively.
• Protection SLD of various bus configurations, Key protection functions, protection zones, blind spots, etc.,
• Functional Design Standards/Descriptions
• Signal list (SCMS, FMS, etc.,), Protection Trip matrix, Logics & Interlocks.
• Selection of Relay ordering information from different IED vendors, identify protection requirements from ordering code, study and change wherever necessary.
• Engineering CRP and secondary cubicle layouts.
• LVAC & DC system distribution philosophy.
• LVAC & LVDC power cable sizing and selection.
• Selection of CT / VT parameters.
• Activities Involved

  Key activities include: Protection SLD showing IEDs with protection and metering functions, key power system parameters, protection zones understanding Client requirements. Understand, relate, review Vendor document / drawings technical requirements, co‑coordinate, offer solutions (Control & Relay panels, LCC, Tx MB, RTCC, SCMS, Metering, FMS & LV Auxiliary System). Read, prepare / review schematic diagrams and interface Control & Relay panel schemes with SCADA/SAS, Telecom, Metering, FMS, PQMS, WAMS & LV Auxiliary System. Prepare / Review SAS System architecture in correlation with station communication requirements of CRP, metering, FMS, etc., Prepare Cable Schedule/Termination schedule, cable drum length estimation, detailed BOM & Wiring/Termination diagrams. Design Auxiliary Power System - LVAC & DC load requirements, LV board SLD and panel requirements, Aux. Transformer, Battery & Charger Sizing & CB selectivity study. CT/VT Sizing/adequacy check calculation, interpret and edit / customize parameters suitable for the system & Relay configuration support. Technical data sheets verification of equipment’s. Knowledge of equipment, such as circuit breakers, disconnectors, earthing switches, instrument transformers, power transformers, etc., Ensure On-time delivery of design deliverables & to be vigilant on project schedule impacts. Responsible for obtaining customer approvals 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. Value Engineering - Innovative ideas to reduce Engineering effort. Plan, implement, review and continuously improve quality system. Ensure the Safety through design principles which meant for complete project lifecycle.

  Soft skills: An individual contributor leverages extensive practical experience in a specialized field to undertake complex projects or address challenging issues, frequently applying independent thought to question conventional approaches, Sharing prior project experience with team members to enhance the quality of deliverables. Proactive cross functional approach to ensure in line with project timelines. Works independently, applying established standards Conversational Fluency in English, 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.

• Qualifications & Experience Bachelors Engineering in (Electrical & Electronics)6-10 years exp

Accessibility and reasonable accommodation

Qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a general inquiry form on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process.

This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response.

Use of Al and automated tools in recruitment

As part of our recruitment process, Hitachi Energy uses digital and automated tools, including Al-supported solutions, to assist with activities such as application screening, job matching, and interview scheduling. These tools are designed to support our recruiters and do not replace human decision-making. Candidate data is processed in accordance with applicable data protection and employment laws as well as Hitachi's Global Data Privacy Notice.

Background Screening and Security Checks

As part of the hiring process, Hitachi Energy conducts pre-employment background checks that may include verification of employment history, education, criminal records, and other relevant information, in accordance with applicable laws.

For certain roles—particularly those involving access to sensitive information, financial responsibilities, client data, regulated environments, or security-sensitive functions—additional or more comprehensive background or security screenings may be required. These may include, but are not limited to, enhanced criminal history checks, credit history reviews (where legally permissible), sanctions screening, or other due diligence measures aligned with the responsibilities of the position.

The scope and depth of any background or security review will be determined based on the nature of the role and business necessity, and will always be conducted in compliance with applicable federal, state, and local laws. Candidates will be notified and, where required, asked to provide consent prior to the initiation of any such checks.