Substation Automation - Secondary Design Engineer

Hitachi Automotive Systems Americas, Inc.; Chennai District; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Hitachi Energy Technology Services Private Limited in Chennai is seeking an experienced Protection & Control engineer to support the execution of substation projects. You will design SLDs, panel layouts, and protection schematics using AutoCAD Electrical, collaborating with cross-functional teams.

The candidate should have a BE/B.Tech or Diploma in Electrical Engineering with 5–8 years of relevant experience and familiarity with IEC/IEEE/ANSI standards, plus strong English communication for

Qualifications

• 5–8 years of relevant experience in Protection & Control engineering.
• Excellent knowledge of AutoCAD/AutoCAD Electrical tools.
• Familiar with IEC, IEEE, ANSI standards as applicable to T&D/Gen.
• Strong written and spoken English communication.
• Ability to work in a team and coordinate with cross-functional groups.

Responsibilities

• Prepare Single Line Diagram (SLD) and Protection SLD.
• Prepare Panel Layouts and BOMs.
• Develop protection and control schematics for HV/MV substations.
• Prepare junction boxes for CT/VT and density monitors; perform load calculations.
• Create trip matrices and IO signal lists; develop interlocking tables for various busbar configurations.
• Coordinate with Primary, Project Management, and Production teams; self-review documents before submission.

Skills

AutoCAD

AutoCAD Electrical

Protection & Control

English communication

Team collaboration

Education

Bachelor's degree in Electrical Engineering

Diploma in Electrical Engineering

Tools

Relays testing

Job description

Location:Chennai, Tamil Nadu, IndiaJob ID:R0147706Date Posted:2026-10-08Company Name:HITACHI ENERGY TECHNOLOGY SERVICES PRIVATE LIMITEDProfession (Job Category):Engineering & ScienceJob Schedule:Full timeRemote:NoJob Description:Mission StatementYou will be a part of the GA Secondary team and support the execution of Protection and Control engineering. Your work involves mainly creating electrical circuit diagrams and supporting documents. We use the AutoCAD Electrical tool for generating the schematics. You will be an individual contributor who would deliver the tasks as per the given inputs and when required need to work in coordination with other colleagues and should ex hibit good collaborative skills to complete the task. In the absence of your Lead or in some cases, you will be required to interact with our counterparts to get/clarify queries. You may also interact with other departments like Primary, Project Management, and Production.Your Responsibilities Preparation of Single Line Diagram/Protection Single Line Diagram. Preparation of Panel Layout and BOM Preparation of Protection and Control Panel schematics for Medium/High Voltage Substation. Preparation of Junction Box for CT, VT, and Density monitors, AC / DC Load calculation. Preparation of Trip Matrix and IO Signal list. Preparation of Interlocking table and schematics for various Busbar configurations. Addressing the technical queries raised by the customer during the execution of a project, if required. Interaction with various cross-function teams like Primary, Project Management, and Production, when required. Self-reviewing the documents before submitting them to Lead Engineer. Generating Preliminary BOM by understanding the importance and consequences of releasing it. Preparation of Mimic boards in line with SLD and Layout drawings. Understanding and preparation of Communication Architecture diagrams. Preparation of protection schematics (Trafo, Line, Busbar) when we’ve integrated protection in LCC . Selection of Bay Control Unit and other protection IEDs. Preparation of complete Digital Control & Protection drawings as part of Digital Substation (with NCITs, MU’s, SAM600 modules, etc...). Configuration Relays and Testing of Relays added advantage. Adhering to applicable codes, practices, QA/QC policies, performance standards, and specifications. Living Hitachi Energy’s core values safety and integrity, which means taking responsibility for your own actions while caring for your colleagues and the business. Your Background Bachelor’s degree in B.E / Diploma in Electrical Engineering. Must have 5 -8 years of experience. Excellent knowledge of AutoCAD/AutoCAD Electrical tools. Very Good knowledge of Protection & Control Systems for T & D / Gen. Familiarity with codes and applicable standards like IEC, IEEE, ANSI, etc... Relay configuration and testing added advantage. Ability to work in a team and maintain professionalism. Good communication and interpersonal skills. Proficiency in both spoken & written English language is required.Accessibility and reasonable accommodationQualified 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 recruitmentAs 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 ChecksAs 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.