[Skip to main content](#main-content) [ OpenNash ](https://opennash.com/) / [Jobs](https://jobs.opennash.com/) [ 01 Search jobs](https://jobs.opennash.com/search/)[ 02 Companies](https://jobs.opennash.com/explore/)[ 03 Hiring report](https://jobs.opennash.com/reports/hiring/)[ 04 AI assistants](https://jobs.opennash.com/connect/)[ 05 How it works](https://jobs.opennash.com/methodology/) Hitachi · Chennai, TN, IN # Secondary Engineer Chennai, TN, IN Full-time Operations Listed on Hitachi’s official careers site. Posted November 6, 2026. Check that it is still open and apply there. [Apply on Hitachi’s careers site →](https://careers.hitachi.com/secondary-engineer/job/R0150875) [OpenNash Jobs](https://jobs.opennash.com/) / [Hitachi](https://jobs.opennash.com/companies/hitachi/) / Secondary Engineer ## Job description 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 specifications from end customers and inputs from OU Engineering team, prepare p rotection 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 Associat e with Engineering Leads, 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 is expected to possess experience in participating in at least one (1) GIS or AIS substation project throughout the entire project lifecycle. Specific Knowledge & Skillsets Proficiency in CAD design tools and E3 (optional). AIS/GIS substation equipment and their operational purpose ( 66 kV & above). Understanding PQ solutions (STATCOM/SVC) and special substations (Mobile SS/Prefab) – desirable Substation Interface Engineering with MEP & Civil - Understanding of cross ‑ functional interfaces during design and execution phases. ### Tender Engineering - Finalization of layout and SLD interpreting tender inputs. ### Project Engineering - Understand the project scope & customer specifications Standards - Awareness of the IEC, IEEE standards related to secondary engineering. Protection SLD of various bus configurations. Functional Design Standards/Descriptions Signal list (SCMS, FMS, etc.,), Protection Trip matrix, Logics & Interlocks. Relay ordering information from different IED vendors. CRP and secondary cubicle layouts. LVAC & DC system distribution philosophy. LVAC & LVDC power cable sizing and selection. CT / VT parameters. Activities Involved Key activities include: Protection SLD showing IEDs with protection and metering functions, understanding power system parameters. Understand, relate and review Vendor drawings and document with technical requirements (Control & Relay panels, SCMS, Metering, FMS & LV Auxiliary System). Read schematic diagrams and interface Control & Relay panel schemes with SCADA/SAS, Telecom, Metering, FMS, PQMS, WAMS & LV Auxiliary System. Read the basics of SAS System architecture in correlation with CRP, metering, FMS, etc., Prepare Cable Schedule/Termination schedule & 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 & Relay configuration. Technical data sheets verification of equipment’s. Knowledge of equipment, such as circuit breakers, disconnectors, earthing switches, instrument transformers, power transformers, etc., Vendor Co-ordination ### Qualifications & Experience Bachelors Engineering in (Electrical & Electronics) 1-5 years exp ## At a glance - Posted by the employer: Nov 6, 2026 - First seen by OpenNash: Nov 9, 2026 - Last checked: Nov 9, 2026 - Listed for: 3 days - Location: Chennai, TN, IN - Employment type: Full-time[Apply on Hitachi’s careers site →](https://careers.hitachi.com/secondary-engineer/job/R0150875) ## Hiring at Hitachi - Open jobs: 3,569 - New in the last 7 days: After two weekly collections - Tracked since: Oct 12, 2026 [All Hitachi jobs](https://jobs.opennash.com/companies/hitachi/) · [Weekly hiring report](/reports/hiring/) ## More jobs at Hitachi ### [Secondary Engineer](https://jobs.opennash.com/companies/hitachi/jobs/3179ac2e1694fee49f6a/) Chennai, TN, India ### [Secondary Engineer](https://jobs.opennash.com/companies/hitachi/jobs/f2f4639dc65a31dd0ac9/) Madrid, MD, Spain ### [Secondary Engineer](https://jobs.opennash.com/companies/hitachi/jobs/f975ba6ffba0ed050fa5/) Xiamen, Fujian, CN ### [Secondary Engineering](https://jobs.opennash.com/companies/hitachi/jobs/eef04fb4f8645124ed9a/) Chennai, TN, India ### [Semiconductor Business Analyst](https://jobs.opennash.com/companies/hitachi/jobs/4618e20e61f79f64053c/) Ho Chi Minh City, Ho Chi Minh, Vietnam ## Similar jobs at other companies ### [Secondary Protection & Control Engineer](https://jobs.opennash.com/companies/bouygues/jobs/b83771d67dc7dcf6e027/) Bouygues · BRISTOL, United Kingdom ### [Principal Engineer - Secondary](https://jobs.opennash.com/companies/siemens-energy/jobs/2dba51fdd12e7ecacfa8/) Siemens Energy ### [Secondary Engineer Specialist](https://jobs.opennash.com/companies/siemens-energy/jobs/c5feb567ea59d5a75364/) Siemens Energy ### [Secondary System Engineer](https://jobs.opennash.com/companies/ge-vernova/jobs/51191df1b5536816764c/) GE Vernova · Silverwater ### [Service - Secondary Technical Support Engineer– Shenzhen](https://jobs.opennash.com/companies/vertiv-holdings/jobs/1a525ef3015286bba5cc/) Vertiv Holdings · China [Operations jobs](/functions/operations/) OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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