Diagnostic Engineer

Tata Technologies Ltd.; Pune District; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

Tata Technologies Ltd. in Pune is seeking an experienced Automotive Diagnostics Engineer with 5+ years in vehicle EE systems to develop and validate diagnostic functions based on UDS ISO 14229, define DTCs, and perform root cause analysis across ECU and networks.

You will work with CAN, LIN, FlexRay, and Automotive Ethernet, perform flashing and reprogramming tasks, and ensure OEM-standard compliance while collaborating with cross-functional teams and documenting test results.

Qualifications

• 5+ years of experience in automotive diagnostics or vehicle EE systems.
• Knowledge of UDS (ISO 14229), OBD-II, and diagnostics protocols.
• Hands-on experience with CANoe/CANalyzer and OEM diagnostic tools.
• Understanding of ECU architecture and automotive EE systems.
• Experience with DTC lifecycle management and fault memory handling.
• Exposure to ASIL-related diagnostics is preferred.

Responsibilities

• Develop and validate vehicle diagnostic functions based on UDS requirements.
• Define, implement, and maintain DTCs, DID, routine controls, and diagnostic sessions.
• Perform root cause analysis of ECU, network, and vehicle-level issues using logs and traces.
• Support on-vehicle, HIL, SIL, and bench testing for diagnostics validation.
• Work with CAN, LIN, FlexRay, and Automotive Ethernet networks for diagnostic troubleshooting.
• Use diagnostic tools for flashing, coding, and fault analysis.
• Review diagnostic specifications and ensure compliance with OEM standards.
• Support SOP, production, and field issue analysis; collaborate with system, software, validation, and manufacturing teams; prepare test reports.

Skills

UDS (ISO 14229)

OBD-II

Diagnostics protocols

CANoe/CANalyzer

ECU architecture

DTC lifecycle management

Flashing/reprogramming concepts

ASIL-related diagnostics

Education

Bachelor’s / Master’s in Electrical, Electronics, Automotive, or Mechatronics Engineering

Tools

CANoe

CANalyzer

OEM diagnostic tools

Job description

5+ Years in Automotive Diagnostics / Vehicle EE Systems

Key Responsibilities

• Develop and validate vehicle diagnostic functions based on UDS (ISO 14229) requirements
• Define, implement, and maintain DTCs, DID, routine controls, and diagnostic sessions
• Perform root cause analysis of ECU, network, and vehicle‑level issues using logs and traces
• Support on‑vehicle, HIL, SIL, and bench testing for diagnostics validation
• Work with CAN, LIN, FlexRay, and Automotive Ethernet networks for diagnostic troubleshooting
• Use diagnostic tools for flashing, coding, and fault analysis
• Review diagnostic specifications and ensure compliance with OEM standards
• Support SOP, production, and field issue analysis including warranty and service concerns
• Collaborate with system, software, validation, and manufacturing teams
• Prepare and maintain diagnostic documentation and test reports

Technical Skills

• Strong knowledge of UDS (ISO 14229), OBD‑II, and diagnostics protocols
• Hands‑on experience with CANoe/CANalyzer, diagnostic testers, and OEM tools
• Good understanding of ECU architecture and automotive EE systems
• Experience with DTC lifecycle management and fault memory handling
• Familiarity with flashing and reprogramming concepts
• Exposure to ASIL-related diagnostics (preferred)

Tools & Protocols

• CAN, LIN, FlexRay
• CANoe, CANalyzer, OEM diagnostic tools

Education

• Bachelor’s / Master’s degree in Electrical, Electronics, Automotive, or Mechatronics Engineering

Preferred Qualifications

• Experience working with OEM or Tier‑1 suppliers
• Exposure to multiple vehicle domains (Powertrain, Body, Chassis, ADAS, Infotainment)
• Knowledge of functional safety or cybersecurity diagnostics is a plus
• Strong communication and stakeholder coordination skills

Soft Skills

• Structured problem‑solving approach
• Ability to work in cross‑functional and global teams
• Clear documentation and reporting skills