[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Larsen & Toubro jobs](https://jobs.opennash.com/companies/larsen-toubro/) · [Search jobs](/search/) Larsen & Toubro # System Test Engineer- MCU India>Tamil Nadu>Coimbatore Campus Operations Listed on Larsen & Toubro’s official careers site. Posted October 7, 2026. Check that it is still open and apply there. [Apply on Larsen & Toubro’s careers site →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_ST-M_1882311) [OpenNash Jobs](https://jobs.opennash.com/) / [Larsen & Toubro](https://jobs.opennash.com/companies/larsen-toubro/) / System Test Engineer- MCU ## 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. ## Qualifications Bachelor of Technology (BTech) & Master of Technology (MTech) ## At a glance - Posted by the employer: Oct 7, 2026 - First seen by OpenNash: Oct 12, 2026 - Last checked: Oct 19, 2026 - Listed for: 12 days - Location: India>Tamil Nadu>Coimbatore Campus[Apply on Larsen & Toubro’s careers site →](https://larsentoubrocareers.peoplestrong.com/job/detail/LNT_ST-M_1882311) ## More jobs at Larsen & Toubro ### [Costing Engineer (Jigs & Fixtures)](https://jobs.opennash.com/companies/larsen-toubro/jobs/de5a37537039d1c35611/) India>Tamil Nadu>Coimbatore Campus ### [Composite Estimation Engineer](https://jobs.opennash.com/companies/larsen-toubro/jobs/f23a0a831cfa5bf5c2ba/) India>Tamil Nadu>Coimbatore Campus ### [Engineer - SCM](https://jobs.opennash.com/companies/larsen-toubro/jobs/976a0a3f412b8e82d14a/) India>Tamil Nadu>Coimbatore Campus ### [Engineer Program Manager](https://jobs.opennash.com/companies/larsen-toubro/jobs/28f814bac9e9c9208020/) India>Tamil Nadu>Coimbatore Campus ## Similar jobs at other companies ### [System Power Test Engineer](https://jobs.opennash.com/companies/qualcomm/jobs/f48bb6318c5a52353d27/) Qualcomm · Shanghai, China ### [XR System Test Engineer](https://jobs.opennash.com/companies/qualcomm/jobs/c8215fb85c95485f0fb7/) Qualcomm · Bangalore, India ### [Automotive MCU/SoC Test Development & Evaluation Automation Engineer](https://jobs.opennash.com/companies/renesas-electronics/jobs/914caf3192c9e15d2639/) Renesas Electronics · Kodaira, Japan ### [System Test Engineer | 5-8 yrs](https://jobs.opennash.com/companies/siemens/jobs/f1cd488a1ccdee424546/) Siemens ### [Senior System Test Engineer](https://jobs.opennash.com/companies/hitachi/jobs/a4c6051f44b5f0e1e6c8/) Hitachi · Kraków, Lesser Poland Voivodeship, Poland OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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