[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, India

# Secondary Engineer

Chennai, TN, India Full-time Operations 

Listed on Hitachi’s official careers site. Listed as of November 9, 2026. Check that it is still open and apply there.
[Apply on Hitachi’s careers site →](https://careers.hitachi.com/secondary-engineer/job/R0135685)

[OpenNash Jobs](https://jobs.opennash.com/) / [Hitachi](https://jobs.opennash.com/companies/hitachi/) / Secondary Engineer

## 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
- 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.

Support and act as interface engineer during erection & commissioning Plan, implement, review and continuously improvise quality system & follow OPEX initiatives

## At a glance
- Posted by the employer: Not stated
- First seen by OpenNash: Oct 12, 2026
- Last checked: Nov 9, 2026
- Listed for: 28 days
- Location: Chennai, TN, India
- Employment type: Full-time[Apply on Hitachi’s careers site →](https://careers.hitachi.com/secondary-engineer/job/R0135685)

## 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 Engineering](https://jobs.opennash.com/companies/hitachi/jobs/eef04fb4f8645124ed9a/)

Chennai, TN, India

### [Semiconductor Chip Designer](https://jobs.opennash.com/companies/hitachi/jobs/a9025eca36962d6eca1e/)

Chennai, TN, India

### [Senior Primary Design Engineer](https://jobs.opennash.com/companies/hitachi/jobs/2ef58dfba2770682c355/)

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

## 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.
Dates come from the employer where stated; “first seen” and “last checked” are our own observations.

[ OpenNash ](https://opennash.com/)

AI-native services firm that builds custom software and 24/7 AI agents.

OpenNash Jobs is an OpenNash Applied AI project.
[Book time with OpenNash](https://calendly.com/opennash/new-meeting?hide_gdpr_banner=1)

Jobs
- [Search jobs](https://jobs.opennash.com/search/)
- [Companies](https://jobs.opennash.com/explore/)
- [Hiring report](https://jobs.opennash.com/reports/hiring/)
- [AI assistants](https://jobs.opennash.com/connect/)
- [How it works](https://jobs.opennash.com/methodology/)

OpenNash
- [opennash.com](https://opennash.com/)
- [Services](https://opennash.com/ai-agent-consulting/)
- [OpenNash CX](https://opennash.com/cx/)
- [AI Tools](https://opennash.com/ai-tools/)
- [Blog](https://opennash.com/blog/)
- [About](https://opennash.com/about/)

Contact
- [hello@opennash.com](mailto:hello@opennash.com)

- [LinkedIn](https://www.linkedin.com/company/opennash)

- [Support](https://jobs.opennash.com/support/)

- [Privacy](https://jobs.opennash.com/privacy/)

- [Terms](https://jobs.opennash.com/terms/)

© 2026 OpenNash, Inc. Company names and public job postings belong to their respective owners. Employers control source availability and application decisions.