Lead Diagnostic Engineer

Tata Technologies Limited; Lighthorne; On-site; GBP 80,000 - 100,000; Full time

Job summary

A global product engineering firm is seeking a Lead Diagnostic Engineer to develop robust diagnostic strategies for advanced battery systems. This role focuses on the design of diagnostic algorithms and fault detection solutions, ensuring safety and performance. Candidates should have a degree in Electrical Engineering or a related field, with experience in diagnostic development for battery systems. A competitive salary and excellent benefits are offered, including a pension scheme and private health care.

Benefits

Pension Scheme - matching contribution up to 5%

25 Days' Holiday

Private Health Care

Group Life Assurance

Qualifications

• Experience in diagnostic development, fault modeling, or battery systems engineering.
• Strong grasp of battery chemistry, electrical characteristics, and degradation mechanisms.
• Experience with ISO 26262 compliance and diagnostic trouble code (DTC) structures.

Responsibilities

• Lead the design and implementation of model-based and data-driven diagnostic algorithms.
• Collaborate to define diagnostic requirements and ensure system-level diagnostics.
• Mentor junior engineers and contribute to technical reviews.

Skills

Diagnostic development

Fault modeling

Battery systems engineering

MATLAB/Simulink

Python

Education

Bachelor's or Master's in Electrical Engineering

Automotive Engineering

Computer Science

Tools

Vector CANape

CANalyzer

Job description

Job Description: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 a Lead Diagnostic Engineer to be based at our customer's site in Gaydon.Our Embedded Systems Solutions department (ESS) encompasses all activities outlined under the Automotive SPICE (ASPICE) process framework, including systems engineering, software engineering, coding, and all levels of functional testing. Beyond core development, ESS also integrates critical supporting processes such as project management, risk assessment, functional safety, and cybersecurity, ensuring compliance with ASPICE standards and delivering reliable, secure, and high-quality embedded systems & solutions.The Role:We are seeking an experienced and visionary Lead Diagnostic Engineer to spearhead the development of robust diagnostic strategies for advanced battery systems. You will be at the forefront of engineering innovation, helping build cutting-edge battery control functions, diagnostic algorithms, and fault detection solutions that ensure safety, reliability, and performance across a range of applications.Area of Responsibility:Diagnostic Algorithm Development· Lead the design and implementation of model-based and data-driven diagnostic algorithms for lithium-ion battery systems· Develop fault detection, isolation, and recovery strategies that integrate seamlessly with battery management systems (BMS)· Identify root causes and failure modes using field data, lab tests, and analytical toolsFunctional Strategy & Systems Integration· Collaborate with algorithm engineers, embedded software developers, and system architects to define diagnostic requirements· Map failure paths and diagnostic coverage in alignment with functional safety standards (ISO 26262, IEC 61508)· Ensure system-level diagnostics are accurate, adaptive, and fail-safeValidation & Calibration· Define verification and validation protocols for diagnostic features· Use hardware-in-the-loop (HIL) setups and simulation models to test fault scenarios· Refine thresholds and diagnostic logic through data analysis and field testingLeadership & Cross-functional Collaboration· Mentor junior engineers and contribute to technical reviews· Champion best practices in diagnostic architecture, documentation, and lifecycle management· Interface with customer teams and internal stakeholders to ensure delivery of high-quality solutionsKnowledge / Experience

• Bachelor's or Master's in Electrical Engineering, Automotive Engineering, Computer Science, or related discipline
• Experience in diagnostic development, fault modeling, or battery systems engineering
• Strong grasp of battery chemistry, electrical characteristics, and degradation mechanisms
• Skilled in MATLAB/Simulink, Python, and diagnostic tools (e.g., Vector CANape, CANalyzer)
• Experience with ISO 26262 compliance and diagnostic trouble code (DTC) structures
Desirable:
• Hands-on testing with battery packs, cells, and instrumentation
• Experience in EV, aerospace, or renewable energy sectors
• Familiarity with OBD (On-Board Diagnostics), UDS (Unified Diagnostic Services), or AUTOSAR
  
  In return for bringing your expertise to our business we offer a competitive salary along with excellent benefits including:· 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 PlanIf 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 would like to 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.About Company:#ComeJoinUs in #EngineeringABetterWorld. We're a global product engineering and digital services company focused on fulfilling our mission of helping the world drive, fly, build, and farm by enabling our customers to realize better products and deliver better experiences. We're the strategic engineering partner businesses turn to when they aspire to be better. Manufacturing companies rely on us to enable them to conceptualize, develop and realize better products that are safer, cleaner, and improve the quality of life for all the stakeholders, helping us achieve our vision of #EngineeringABetterWorld. We're inspiring a new generation of engineers who, by embracing the opportunities that exist at the convergence of digital technology & traditional engineering, are developing better products. We're redefining what the world understands by engineering and spreading the influence and impact of engineering as humanity's best way of addressing its most important challenges and opportunities.