Diagnostics Engineer

Tata Technologies Limited; Lighthorne; On-site; GBP 45,000 - 65,000; Full time

Benefits offered by this job

Pension Scheme

25 Days Holiday

Private Health Care

JLR Privilege Scheme

Group Income Protection

Health Assured EAP

Group Life Assurance

Health Shield Private Health Cash Plan

Job summary

Tata Technologies Limited is seeking a Diagnostics Engineer to develop and validate vehicle diagnostics and fault management solutions for electronic systems and software-controlled functions at the Gaydon customer site. You will define diagnostic strategies, DTCs and UDS services while coordinating across ECUs and networks.

The ideal candidate has an engineering degree and automotive diagnostics experience, with strong CANoe analysis skills and knowledge of UDS 14229.

Qualifications

• Degree in electrical, electronic, automotive, software or systems engineering.
• Automotive diagnostics development experience.
• Strong knowledge of UDS ISO 14229 and DTC management.
• Experience defining diagnostic requirements and validating ECU diagnostics.
• Good CANoe analysis and fault investigation skills.
• Desirable: OBD and emissions diagnostics experience.
• Desirable: OTX, AUTOSAR DCM or service engineering knowledge.
• Desirable: Functional safety and cybersecurity awareness.

Responsibilities

• Define, develop and validate vehicle diagnostics and fault management solutions for electronic systems and software-controlled functions.
• Define DTCs, detection, confirmation, healing and debouncing behaviour.
• Define UDS services, diagnostic sessions, routines and data identifiers.
• Support fault isolation, service procedures and repair information.
• Coordinate diagnostics across ECUs, networks and vehicle systems.
• Review supplier diagnostic implementations and compliance evidence.
• Plan diagnostic validation on bench, HIL and vehicle.
• Analyse traces and lead root cause investigation of diagnostic issues.
• Maintain diagnostic specifications, traceability and release status.

Skills

Automotive diagnostics

UDS ISO 14229

DTC management

ECU diagnostics validation

CANoe analysis

Education

Degree in electrical/electronic/automotive/software or systems engineering

Job description

Diagnostics Engineer

Date: 2026-09-17

Location: Lighthorne, Warwickshire, GB, CV35 0

Application Deadline: 2026-12-16T23:02:04.31

At Tata Technologies we make product development dreams a reality by designing, engineering and validating the products of tomorrow for the world's leading manufacturers. Due to our continued growth we are now recruiting for Diagnostics Engineer to be based at our customer's office in Gaydon. Our Engineering Research and Development department (ER&D) is a fast growing function within Tata Technologies Limited that is assembled to work on exciting projects globally for multiple customers. It comprises highly specialized engineers across Automotive, Aerospace and Industrial Heavy Machinery.

Scope of Role

Define, develop and validate vehicle diagnostics and fault management solutions for electronic systems and software-controlled functions. The role covers diagnostic strategy, fault detection and isolation, DTC definition, diagnostic services, serviceability and validation.

Area of Responsibility

• Develop diagnostic concepts, strategies and system requirements.
• Define DTCs, detection, confirmation, healing and debouncing behaviour.
• Define UDS services, diagnostic sessions, routines and data identifiers.
• Support fault isolation, service procedures and repair information.
• Coordinate diagnostics across ECUs, networks and vehicle systems.
• Review supplier diagnostic implementations and compliance evidence.
• Plan diagnostic validation on bench, HIL and vehicle.
• Analyse traces and lead root cause investigation of diagnostic issues.
• Maintain diagnostic specifications, traceability and release status.

Knowledge / Experience

Essential:

• Degree in electrical, electronic, automotive, software or systems engineering.
• Automotive diagnostics development experience.
• Strong knowledge of UDS ISO 14229 and DTC management.
• Experience defining diagnostic requirements and validating ECU diagnostics.
• Good CANoe analysis and fault investigation skills.

Desirable:

• OBD and emissions diagnostics experience.
• OTX, AUTOSAR DCM or service engineering knowledge.
• Functional safety and cybersecurity awareness.

Benefits

• Pension Scheme: We match employee contribution up to 5% of salary.
• 25 Days Holiday.
• Private Health Care.
• Tata Jaguar Land Rover Privilege Scheme - up to 20% off new JLR vehicles.
• Group Income Protection.
• Health Assured Employee Assistance Program.
• Group Life Assurance.
• Health Shield Private Health Cash Plan.

If you are passionate about bringing innovation to the projects you work on and want to join a global company, then this is the place for you. Tata Technologies: Engineering a better world.

Tata Technologies would like to thank all applicants for their interest. Each application will be reviewed against the set criteria for the role. We advise that only candidates under consideration will be contacted. If you do not hear from us within 10 working days following the closing date, it will mean that unfortunately your application has not been successful. We will however retain your details for any suitable future opportunities.