Senior Engineer

TII India; Rewari; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

TII India is seeking a High Voltage Engineer to design and validate HV electrical systems for EVs, covering battery packs, inverters, charging and power electronics. You will work with mechanical, software, and manufacturing teams to ensure safe, robust HV architectures from concept through production.

Responsibilities include defining HV component specs, performing safety analyses, coordinating testing and validation, and ensuring manufacturability. Relevant ISO 26262 experience is a plus.

Qualifications

• Experience designing HV electrical architectures for EVs.
• Knowledge of HV safety practices and automotive standards.
• Familiarity with BMS integration and high-voltage components.
• Ability to coordinate with cross-functional teams across engineering and manufacturing.

Responsibilities

• Design and develop HV architectures for EV powertrains and charging systems.
• Define specifications for HV components including battery packs, inverters, contactors and fuses.
• Integrate HV systems with battery, motors, power electronics and vehicle platforms.
• Ensure safety, quality, and production targets throughout development lifecycle.
• Create engineering drawings, schematics, BOMs, and test documentation.
• Support validation, testing, root-cause analysis, and manufacturing issues.

Skills

HV systems 400-1000V

Lithium-ion battery tech

Power electronics

Electric drive systems

Charging technologies

Education

Bachelor's degree in Electrical Engineering

Tools

SolidWorks

AutoCAD

CAN

LIN

Ethernet

Electrical simulation software

Job description

$The High Voltage (HV) Engineer is responsible for the design, development, integration, validation, and manufacturing support of high-voltage electrical systems used in electric vehicles (EVs). The role involves working with battery packs, power distribution units, inverters, onboard chargers, DC-DC converters, high-voltage wiring harnesses, and vehicle safety systems to ensure compliance with automotive standards, quality requirements, and regulatory guidelines.

Design & Development

• Design and develop high-voltage electrical architectures for electric vehicles.
• Define specifications for HV components including battery packs, inverters, power electronics, contactors, fuses, and charging systems.
• Develop and optimize HV cable routing, connectors, and power distribution systems.
• Support component selection and supplier evaluation activities.

System Integration

• Integrate battery systems, traction motors, charging systems, and power electronics into vehicle platforms.
• Ensure seamless interaction between HV and low-voltage vehicle systems.
• Coordinate with Mechanical Design, Battery Systems, Power Electronics, Software Controls, Manufacturing and validation teams.
• Ensuring compliance with safety, quality, cost, and production targets -throughout the EV development and manufacturing lifecycle

Safety & Compliance

• Ensure compliance with automotive functional safety standards including ISO 26262.
• Conduct electrical safety analyses such as:
• FMEA (Failure Mode and Effects Analysis)
• FTA (Fault Tree Analysis)
• Hazard and Risk Assessment
• Ensure compliance with relevant standards such as:

$$ Testing & Validation

• Develop DV/PV (Design Validation/Production Validation) test plans.
• Perform HV insulation, dielectric, grounding, and isolation tests.
• Support EMC/EMI testing and vehicle certification activities.
• Analyze test data and implement corrective actions.

Manufacturing Support

• Support production launch activities and resolve manufacturing issues.
• Develop assembly and testing procedures for HV systems.
• Participate in root cause analysis and continuous improvement initiatives.
• Ensure manufacturability and serviceability of electrical designs.

Documentation

• Create and maintain engineering drawings, schematics, BOMs, and technical specifications.
• Prepare test reports, validation documents, and safety documentation.
• Support audits and regulatory submissions.

Technical Skills

• Strong understanding of:
• High-voltage systems (400V to 1000V)
• Lithium-ion battery technology
• Power electronics
• Electric drive systems
• Charging technologies (AC/DC fast charging)
• Experience with:
• SolidWorks, or AutoCAD
• CAN, LIN, and Ethernet communication protocols
• Electrical simulation software

Knowledge Areas

• HV safety procedures and lockout/tagout practices.
• Functional safety and cybersecurity awareness.
• Manufacturing and quality systems.
• Experience in EV manufacturing plants or automotive OEMs.
• Certification in High Voltage Safety.
• Knowledge of Battery Management Systems (BMS).
• Familiarity with Six Sigma or Lean Manufacturing principles.
• Experience with global automotive regulations and homologation requirements.