Senior Diagnostics Engineer (System Controller)

We are looking for an enthusiastic and inquisitive Senior Diagnostics Engineer (PEEU) to join its dynamic team in Pune. This position defines, develops, and maintains diagnostic concepts and fault detection strategies for vehicle control systems while driving continuous improvements in serviceability, diagnostic performance, product quality, and compliance throughout the product lifecycle.

At PACCAR, you’ll be part of a purpose-driven organization known for engineering excellence, innovation, and a strong commitment to employee growth and well-being. We foster a collaborative, inclusive environment where your ideas are valued, your contributions make a real difference, and your career can thrive as you help build world-class products that power the future of transportation.

Key Responsibilities –

• Define and document diagnostic concepts and fault detection strategies for vehicle control systems.
• Develop, review, and maintain diagnostic requirements, specifications, and communication protocols to ensure compliance with product, service, and regulatory requirements.
• Lead service FMEA activities to improve fault detection effectiveness, serviceability, and diagnostic coverage.
• Review system requirements throughout the V-cycle and provide diagnostic expertise to ensure effective fault detection and serviceability implementation.
• Monitor, analyze, and drive improvements in diagnostic KPIs and scorecards to enhance diagnostic performance and coverage.
• Collaborate with cross-functional engineering teams, suppliers, and stakeholders to align diagnostic implementation, resolve technical issues, and achieve project objectives.
• Provide End-of-Line (EoL) production support, including DTC trend analysis, guarding, and masking list management.
• Collaborate with internal teams and suppliers to evaluate, implement, and improve diagnostic solutions across the product lifecycle

Education Requirements

Bachelors / Masters Degree in Electronics engineering, Automotive engineering or related engineering discipline.

Knowledge & Skills REQUIRED

• 5-7 year of overall experience
• Diagnostic Concept Development & Fault Detection – Experience defining diagnostic concepts, fault detection strategies, DTC management, and service diagnostics for automotive systems.
• UDS, ODX, OTX, SAE J1939 & J1979 – Strong understanding of automotive diagnostic standards, communication protocols, and diagnostic data exchange specifications.
• Automotive Embedded Systems – Understanding of ECU software, hardware, sensors, actuators, and vehicle communication networks used in commercial vehicle applications.
• Diagnostic Analysis & Troubleshooting – Ability to investigate diagnostic failures, analyse fault behaviour, identify root causes, and improve diagnostic effectiveness.
• Service FMEA & Diagnostic Coverage Analysis – Experience supporting failure mode analysis and evaluating diagnostic coverage to improve fault detection performance

Knowledge & Skills DESIRED

• Verification & Validation – Understanding of system verification methodologies, testing strategies, and validation processes used in automotive development.
• End-of-Line Diagnostics – Knowledge of production diagnostics, DTC monitoring, issue investigation, and manufacturing support activities.
• Stakeholder Collaboration – Ability to effectively collaborate with systems, software, validation teams, service organizations, and external suppliers

Competencies and Behaviours

• Provides technical leadership within the diagnostics domain and takes ownership of diagnostic concepts, requirements, and deliverables within the defined scope.
• Applies structured thinking and advanced analytical skills to investigate complex technical issues, evaluate alternatives, and drive effective solutions.
• Demonstrates strong verbal and written communication skills while influencing decisions and collaborating across multidisciplinary and cross-functional engineering teams.
• Effectively prioritizes work, manages multiple technical deliverables, and supports achievement of project objectives and timelines.
• Exhibits learning agility, embraces emerging diagnostic technologies and methodologies, and drives continuous improvement initiatives.
• Maintains a strong commitment to quality, process compliance, engineering excellence, and customer-focused product development.