HV Systems Lead Engineer

Tata Technologies Ltd.; Bengaluru; On-site; INR 1,500,000 - 2,500,000; Full time

Job summary

Tata Technologies Ltd. is seeking an HV Systems Engineer to drive delivery support across electrified vehicle programmes under senior technical guidance.

The role focuses on HV requirements, architecture updates, interface definition, validation support, defect tracking, and release readiness for energy platform and high-voltage integration. You will collaborate across battery, BMS, HVJB, charger, DC-DC, inverter, EDU, thermal, and validation teams to ensure milestone readiness and robust HV

Qualifications

• Good understanding of HV systems, EV component interfaces, battery, BMS, HV safety practices.
• Experience in requirements engineering, interface management, functional specification support, validation support, and issue tracking.
• Working knowledge of CAN, CAN FD, Ethernet, UDS, DoIP, electrical protection, isolation monitoring, HVIL, and automotive V-model delivery.

Responsibilities

• Analyse customer, vehicle, architecture, safety, component, and validation inputs to develop and maintain HV system requirements.
• Support definition of HV system operating modes, interface signals, protection logic, diagnostics, degraded operation, and acceptance criteria.
• Prepare and maintain functional specifications, interface control documents, requirement traceability matrices, and validation support artefacts.
• Coordinate with battery, BMS, HVJB, charger, DC-DC, inverter, EDU, thermal, controls, software, validation, safety, cybersecurity, and supplier teams.
• Support review of network signal requirements, diagnostics services, measurement needs, validation plans, test cases, and defect analysis.
• Track open issues, change requests, supplier questions, validation gaps, and release actions through closure.
• Support MiL, SiL, HiL, rig, and vehicle validation by confirming requirement coverage and providing system-level technical inputs.
• Escalate integration risks, interface gaps, requirement conflicts, and supplier delivery dependencies to senior leads and programme stakeholders.

Skills

HV systems understanding

EV component interfaces

CAN/CAN FD/Ethernet

Validation support

Requirement engineering

Interface management

Electrical safety practices

AUTOSAR awareness

Education

Bachelor's degree

Master's degree

Job description

Responsible for HV systems engineering delivery support across electrified vehicle programmes under senior technical guidance. The role supports HV requirement development, architecture updates, interface definition, validation support, issue tracking, and release readiness for energy platform and high-voltage integration functions.

Primary Focus Areas

HV system requirements for battery, BMS, HVJB, charger, DC-DC, inverter, EDU, thermal, HV harness, diagnostics, and safety features.

Support for HV operating states, protection requirements, isolation, HVIL, discharge, contactor coordination, fault handling, and service modes.

Interface tracking between HV components, vehicle controllers, network signals, diagnostics, validation teams, and supplier deliverables.

Documentation, traceability, issue closure, validation support, and milestone readiness for HV system releases.

Key Responsibilities

Analyse customer, vehicle, architecture, safety, component, and validation inputs to develop and maintain HV system requirements.

Support definition of HV system operating modes, interface signals, protection logic, diagnostics, degraded operation, and acceptance criteria.

Prepare and maintain functional specifications, interface control documents, requirement traceability matrices, and validation support artefacts.

Coordinate with battery, BMS, HVJB, charger, DC-DC, inverter, EDU, thermal, controls, software, validation, safety, cybersecurity, and supplier teams.

Support review of network signal requirements, diagnostics services, measurement needs, validation plans, test cases, and defect analysis.

Track open issues, change requests, supplier questions, validation gaps, and release actions through closure.

Support MiL, SiL, HiL, rig, and vehicle validation by confirming requirement coverage and providing system-level technical inputs.

Escalate integration risks, interface gaps, requirement conflicts, and supplier delivery dependencies to senior leads and programme stakeholders.

Required Skills & Experience

Good understanding of HV systems, EV component interfaces, battery, BMS, HVJB, charging, DC-DC, inverter, EDU, diagnostics, and HV safety practices.

Experience in requirements engineering, interface management, functional specification support, validation support, and issue tracking.

Working knowledge of CAN, CAN FD, Ethernet, UDS, DoIP, electrical protection, isolation monitoring, HVIL, and automotive V-model delivery.

Ability to work across cross-functional teams and maintain structured engineering documentation under programme delivery timelines.

Tools, Standards & Processes

Tools / Platforms

Standards / Processes

ASPICE; ISO 26262; ISO 21434; AUTOSAR awareness; Automotive V-Model; Systems Engineering Lifecycle; HV safety and diagnostics governance

Preferred Qualifications

Bachelor's or Master's Degree in Electrical, Electronics, Mechatronics, Automotive, Mechanical, Systems Engineering, or related discipline.

Experience within OEM, Tier-1, or engineering services environments for EV, HEV, Energy Platform, or HV systems programmes.

Exposure to HV safety, battery systems, BMS, HV power distribution, functional safety, cybersecurity, and vehicle integration.

INCOSE ASEP/CSEP certification, ASPICE exposure, HV safety training, or equivalent systems engineering training is desirable.

HV System Requirements Updates; Interface Signal Matrix; Functional Specification Updates; Traceability Matrix; Validation Support Report; Issue and Action Tracker.