System Test Engineer- MCU

PeopleStrong; Coimbatore District; On-site; INR 900,000 - 1,500,000; Full time

Job summary

L&T Precision Engineering & Systems IC in Coimbatore is hiring a System Tester – MCU to verify motor control ECUs across bench, HIL/SIL, and vehicle environments. You will develop test strategies, derive scenarios from requirements, and build automated regression suites for end-to-end MCU validation.

The role demands 3–8+ years in embedded ECU testing, strong motor control knowledge, and hands-on HIL platform experience.

Qualifications

• Bachelor’s/Master’s in Electrical/Electronics, Embedded Systems, Mechatronics, or related.
• 3–8+ years experience in system testing/validation of embedded ECUs (automotive/industrial).
• Strong understanding of Motor control systems and inverter basics (PMSM/BLDC/IM fundamentals helpful)
• ECU testing lifecycle, test design techniques, and defect management
• Hands-on experience with at least one:HIL platforms (dSPACE, NI, Vector, etc.)
• Bench testing with inverter + motor setups and measurement equipment
• Comfortable with automotive networks & tools:CAN/LIN/Ethernet, UDS diagnostics, CANoe/CANalyzer (or equivalent)
• Strong analytical and problem-solving skills.
• Excellent communication and cross-functional collaboration.
• Ability to manage multiple integration tasks across vehicle programs.
• Detail-oriented with a focus on safety, performance, and reliability.
• Passion for electrification and automotive innovation.

Responsibilities

• Create and maintain system test strategy, test plans, and test matrices aligned to product requirements.
• Derive test scenarios from system requirements, use cases, and safety/quality goals.
• Define test coverage across operating modes and environmental conditions.
• Develop and execute tests for motor control MCU functions, such as: Start/stop sequences, torque/speed control response, mode transitions.
• Regeneration and braking coordination (where applicable).
• Thermal derating, voltage/current limitations, and protection behaviors.
• Build and automate tests on HIL rigs and bench setups including inverter + motor + load.
• Develop automated regression suites for repeated validation: Test scripting and CI-friendly execution.

Skills

Embedded Systems

System testing

HIL testing

CAN/LIN/Ethernet

Education

BTech/MTech in Electrical/Electronics/Mechatronics

Tools

HIL platforms (dSPACE NI Vector)

Job description

• DEIC-L&T Precision Engineering & Systems IC
• Coimbatore Campus

Posted On 07 Oct 2026

End Date 05 Apr 2027

Required Experience 3 - 6 years

Knowledge & Posting Location

Embedded Embedded Application Testing HIL sil mil and hil testing

Bachelor of Technology (BTech) & Master of Technology (MTech)

Job Description

Business Unit: EPSMobilityRole: System Tester – MCU (Motor Control Unit)The System Tester for Motor Control Unit (MCU) is responsible for end-to-end verification and validation of motor control systems across bench, HIL/SIL, inverter test rigs, dyno, and vehicle-level environments. The role ensures the MCU meets requirements for functionality, performance, robustness, diagnostics, reliability, and compliance under real-world operating conditions and corner cases.Key ResponsibilitiesCreate and maintain system test strategy, test plans, and test matrices aligned to product requirements.Derive test scenarios from system requirements, use cases, and safety/quality goals.Define test coverage across operating modes (normal, derating, limp-home, fault modes) and environmental conditions.Develop and execute tests for motor control MCU functions, such as:Start/stop sequences, torque/speed control response, mode transitionsRegeneration and braking coordination (where applicable)Thermal derating, voltage/current limitations, and protection behaviorsBuild and automate tests on HIL rigs (e.g., dSPACE/NI/Vector), and bench setups including inverter + motor + load.Develop automated regression suites for repeated validation:Test scripting (Python/CAPL/MATLAB/Simulink Test or tool-specific frameworks)CI-friendly execution and reporting (where applicable)Maintain test artifacts: scripts, configuration files, datasets, and baselines.Qualifications:Bachelor’s/Master’s in Electrical/Electronics, Embedded Systems, Mechatronics, or related.3–8+ years experience in system testing/validation of embedded ECUs (automotive/industrial).Strong understanding of Motor control systems and inverter basics (PMSM/BLDC/IM fundamentals helpful)ECU testing lifecycle, test design techniques, and defect managementHands-on experience with at least one:HIL platforms (dSPACE, NI, Vector, etc.)Bench testing with inverter + motor setups and measurement equipmentComfortable with automotive networks & tools:CAN/LIN/Ethernet, UDS diagnostics, CANoe/CANalyzer (or equivalent)Strong analytical and problem-solving skills.Excellent communication and cross-functional collaboration.Ability to manage multiple integration tasks across vehicle programs.Detail-oriented with a focus on safety, performance, and reliability.Passion for electrification and automotive innovation.L&T Company Overview / About Us:L&T is a USD 30 billion Indian multinational engaged in EPC Projects, Hi-Tech Manufacturing, and Services, operating across multiple geographies. A strong, customer–focussed approach and the constant quest for top-class quality have enabled L&T to attain and sustain leadership in its major lines of business for eight decades.Given L&T’s capability in strategic electronics and leveraging its foray into semiconductor design and well-established capabilities in L&T Technology Services, the business is expanding its offerings to cover industrial electronic modules, products and systems in critical sectors of Power Electronics, Automotive Electronics, Industrial Robotics & Automation, Communication Platforms and Electronic Systems Design & Manufacturing (ESDM). The focus products under Automotive Electronics are ADAS, Electrification & Connectivity related products.