Substation Automation - Secondary Design Engineer

Posted 7 Days Ago
Be an Early Applicant
Chennai, Tamil Nadu, IND
In-Office
Senior level
Fintech • Information Technology • Logistics
The Role
Design secondary protection and control schematics for medium/high-voltage substations using AutoCAD Electrical. Produce SLDs, panel layouts, BOMs, trip matrices, IO lists, interlocking tables, mimic boards, and communication architecture. Select and document protection IEDs and digital substation components (NCITs, MUs, SAM600), address technical queries, ensure standards and cybersecurity compliance (IEC 62443, NERC-CIP), and collaborate with primary, project, and production teams. OT cybersecurity expertise required; relay configuration/testing is a plus.
Summary Generated by Built In

Location:

Chennai, Tamil Nadu, India

Job ID:

R0128503

Date Posted:

2026-06-16

Company Name:

HITACHI ENERGY TECHNOLOGY SERVICES PRIVATE LIMITED

Profession (Job Category):

Engineering & Science

Job Schedule: 

Full time

Remote:

No

Job Description:

The opportunity:

You 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.

How you’ll make an impact:

  • 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.

  • You will be responsible to ensure compliance with applicable external and internal regulations, procedures, and guidelines.

  • 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:

  • You hold a bachelor’s degree with minimum 6+ years of IT/OT Industry Experience in Control System Automation (3+ years of Cybersecurity with emphasis on OT) or 5 + years as an OT Cyber Security Implementer or Architect

  • Advanced Knowledge OT Networking and Network security.

  • Experienced working in OT environment components and OT security.

  • Knowledge of Cybersecurity Regulation, Standards and Framework - (IEC62443, NERC–CIP, BDEW, NIST Publication).

  • Awareness on current Cybersecurity controls and solutions – Endpoint Security, AAA, Security logging, Hardening benchmarks.

  • Knowledge on Security tool (NESSUS, CIS CAT, Nmap). Understanding on Computer networks and network security – Firewall, IDS.

  • Desirable with ISA 99 / 62443 – Cybersecurity Fundamentals Specialist, GIAC, GICSP, CEH certification.

  • Good communication skills both written and verbal.

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. 

Skills Required

  • Bachelor's degree
  • Minimum 6+ years IT/OT industry experience in Control System Automation OR 5+ years as an OT Cyber Security Implementer/Architect (with 3+ years OT cybersecurity if choosing 6+ path)
  • Experience creating electrical circuit diagrams and schematics using AutoCAD Electrical
  • Advanced knowledge of OT networking and network security
  • Experience working with OT environment components and OT security
  • Knowledge of cybersecurity regulations, standards, and frameworks (IEC 62443, NERC-CIP, BDEW, NIST)
  • Awareness of cybersecurity controls and solutions (Endpoint Security, AAA, security logging, hardening benchmarks)
  • Familiarity with security tools (NESSUS, CIS CAT, Nmap)
  • Understanding of computer networks and network security devices (Firewall, IDS)
  • Good written and verbal communication skills
  • Certifications desirable: ISA 99 / IEC 62443 Cybersecurity Fundamentals Specialist, GIAC, GICSP, CEH
  • Experience configuring and testing protection relays (added advantage)
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The Company
33,676 Employees

What We Do

Since its founding in 1910, Hitachi has responded to the expectations of society and its customers through technology and innovation. Our mission is to “Contribute to society through the development of superior, original technology and products.” Over the past 100+ years this commitment has led us to work towards creating a more sustainable society through our “Social Innovation Business”. We work to apply our expertise in information technology (IT), operational technology (OT), and a wide variety of products to advance social infrastructure systems and improve quality of life across the world.

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