Software Test Engineer II

Join Legrand North America as a Software Test Engineer II in the Building Control Systems Watt Stopper engineering team located in Carlsbad, CA.

We are seeking an experienced software tester with a strong background in embedded firmware testing, automation frameworks, and programming in C/C#, Python or similar.

• Analyze requirements and user stories to develop new test scenarios.
• Execute manual and automated test cases for firmware, software, and mobile applications.
• Develop automated test scripts and frameworks for validating embedded firmware.
• Conduct performance testing, validation, and debugging of software systems.
• Create simulations and test environments to verify system behavior.
• Identify opportunities to improve testing efficiency through automation.
• Investigate and report software/firmware defects and system anomalies.
• Collaborate with cross-functional teams to align testing with business goals.
• Stay current with industry trends and emerging technologies in software test tools.

• Bachelor’s degree in Computer Science, Electrical Engineering, or related field.
• 5+ years of experience testing embedded software and automation.
• Proficiency in C/C#, Python and scripting languages.
• Experience with version control (Git), defect tracking tools, and peer review processes.
• Familiarity with network protocols and mobile application testing is a plus.
• Knowledge of Digital Light Management industry is a plus.
• Strong problem‑solving and analytical skills.
• Excellent communication and documentation abilities.

$90,000 – $101,000 annually

Legrand is a global specialist in electrical and digital building infrastructures, serving residential, commercial, and data center markets worldwide.

Equal Opportunity Employer.