Secondary Engineer

Posted 7 Days Ago
Be an Early Applicant
Chennai, Tamil Nadu, IND
In-Office
Mid level
Fintech • Information Technology • Logistics
The Role
Design and deliver secondary protection and control deliverables: protection SLDs, functional design, signal lists, trip matrices, relay ordering/configuration, panel and wiring diagrams, cable schedules, CT/VT and auxiliary power sizing, vendor reviews, FAT/SAT support, commissioning interface, customer approvals, and quality and safety through design.
Summary Generated by Built In

Location:

Chennai, Tamil Nadu, India

Job ID:

R0135685

Date Posted:

2026-07-14

Company Name:

HITACHI ENERGY TECHNOLOGY SERVICES PRIVATE LIMITED

Profession (Job Category):

Engineering & Science

Job Schedule: 

Full time

Remote:

No

Job Description:

Activities Involved

Able to perform the following activities:

  • 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.
  • Preparation of circuit diagrams – New & Existing Set-up (applicable for retrofit projects)
  • Preparation of Cable block diagram
  • Preparation of Cable Schedule & BoQ estimation for ordering
  • Preparation of Wiring/Termination diagrams
  • Preparation of Core sheets
  • Preparation of 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.

Having an idea about the following activities:

  • 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.
  • Technical data sheets verification of equipment’s. Knowledge of equipment, such as circuit breakers, disconnectors, earthing switches, instrument transformers, power transformers, etc
  • 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
  • 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.
  • Support and act as interface engineer during erection & commissioning
  • Plan, implement, review and continuously improvise quality system & follow OPEX initiatives

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.

Skills Required

  • Review tender documents, prepare Design Intent Document and protection Single Line Diagrams (SLD)
  • Prepare Functional Design Descriptions/Standards, signal lists, trip matrix, logics and interlocks
  • Technical vetting and review of vendor drawings for control & relay panels and auxiliary systems
  • Prepare schematic diagrams, circuit diagrams for new and retrofit setups, wiring/termination diagrams, core sheets
  • Prepare relay ordering information, relay configuration (preferred) and protection relay settings
  • Prepare cable block diagrams, cable schedules and BoQ estimation for ordering
  • Prepare SCS I/O schedules and panel engineering deliverables (layouts, terminal tables, wiring tables)
  • Auxiliary power system design: LV AC panels, DC panels, auxiliary transformer, battery and charger sizing, ACDC cable sizing, CB selectivity studies
  • CT/VT sizing and verification of instrument transformer requirements
  • Interface knowledge with primary equipment, bay controller units, SCADA, RTU and teleprotection
  • As-built documentation and modification of existing drawings with red/green markups per standards
  • Coordinate with primary engineering, sourcing, factories and control & protection teams; obtain customer approvals for designs
  • Support erection and commissioning activities, participate in site visits, FAT/SAT and vendor offer evaluations
  • Estimate engineering effort for tender costing, identify technical risks and opportunities, and drive quality and safety through design
  • Familiarity/awareness of equipment technical datasheets (circuit breakers, disconnectors, earthing switches, instrument transformers, power transformers)
  • Panel engineering expertise and relay configuration experience
  • Knowledge of OPEX initiatives and continuous quality system improvement
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The Company
HQ: Tokyo
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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