The Role
Design and produce secondary protection and control deliverables: SLDs, functional designs, signal lists, schematics, cable schedules, wiring, relay ordering, CT/VT sizing, auxiliary power design, vendor review, FAT/SAT support, commissioning interface, and documentation. Coordinate with stakeholders, obtain customer approvals, manage design quality and schedules, and estimate engineering effort for tenders.
Summary Generated by Built In
Location:
Chennai, Tamil Nadu, IndiaJob ID:
R0131799Date Posted:
2026-06-23Company Name:
HITACHI ENERGY TECHNOLOGY SERVICES PRIVATE LIMITEDProfession (Job Category):
Engineering & ScienceJob Schedule:
Full timeRemote:
NoJob 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
Skills Required
- Experience preparing Design Intent Documents and reviewing tender technical specifications
- Preparation of Protection Single Line Diagrams showing principles, relays and meters
- Preparation of Functional Design Standards/Descriptions and signal lists, trip matrix, logics and interlocks
- Technical vetting and review of vendor drawings for Control & Relay panels and auxiliary systems
- Ability to prepare schematic diagrams, circuit diagrams for new and retrofit setups, wiring/termination diagrams and core sheets
- Preparation of relay ordering information, cable block diagrams, cable schedule and BoQ estimation
- Preparation and maintenance of SCS I/O schedules and panel engineering deliverables (layouts, circuit diagrams, wiring/terminal tables)
- Auxiliary power system design including LVAC panels, DC panels, auxiliary transformer, battery and charger sizing, ACDC cable sizing and CB selectivity
- CT and VT sizing and related instrument transformer knowledge
- Interface knowledge with primary equipment, Bay Controller Units, SCADA, RTU and teleprotection systems
- Excellent knowledge in AIS and GIS secondary designs and as-built documentation
- Vendor offer evaluations and participation in FAT / SAT of primary and secondary equipment
- Support and act as interface engineer during erection and commissioning and participate in customer/site meetings
- Estimation of engineering effort for tender costing and ensuring on-time delivery of design deliverables
- Plan, implement, review and continuously improve quality systems and ensure safety through design principles
- Panel engineering expertise (layouts, circuit diagram, wiring table, terminal table etc.)
- Relay configuration experience
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The Company
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.
