Software Engineer II

Step into the innovative world of LG Electronics. As a global leader in technology, LG Electronics is dedicated to creating innovative solutions for a better life. Our brand promise, 'Life's Good', embodies our commitment to ensuring a happier life for all. We have a rich history spanning over six decades and a global presence in over 290 locations. Our diverse portfolio includes Home Appliance Solutions, Media Entertainment Solutions, Vehicle Solutions, and Eco Solutions.

Our management philosophy, "Jeong-do Management," embodies our commitment to high ethical standards and transparent operations. Grounded in the principles of 'Customer-Value Creation' and 'People-Oriented Management', these values shape our corporate culture, fostering creativity, diversity, and integrity. At LG, we believe in the power of collective wisdom through an inclusive work environment. Join us and become a part of a company that is shaping the future of technology.

At LG, we strive to make Life Good for Everyone.

We are a global leader in HVAC and consumer electronics solutions. Our North American R&D and engineering team works closely with Global HQ in South Korea to develop and validate advanced HVAC control systems tailored to the North American market. We are seeking a mid-level engineer to lead system integration testing, controls validation, and technical coordination between HQ and U.S. operations.

The HVAC Controls & System Integration Engineer will serve as a subject matter expert for proprietary control systems and integration solutions. This role is responsible for system integration testing, lab and field validation, regulatory awareness, and cross-functional collaboration to ensure successful deployment of HVAC control solutions in the North American market. This position requires both strong technical depth and the ability to operate in a consultative and leadership capacity across internal teams, distribution partners, and Global HQ.

• Lead system integration testing for HVAC control systems, gateways, and cloud-connected platforms.
• Establish and manage lab environments to replicate field conditions and troubleshoot system-level issues.
• Capture and analyze communication logs (BACnet, Modbus, RS485, UART, etc.) for root cause analysis.
• Support integrated validation of cloud-based HVAC control platforms.

• Verify Point Lists and communication interfaces between HVAC equipment and BAS systems.
• Troubleshoot serial communication protocols (RS485, Modbus, BACnet).
• Optimize system interoperability and compatibility across devices and networks.

• Serve as primary technical liaison between North America and Global HQ (Korea).
• Communicate technical findings, market needs, and validation results clearly and effectively in Korean and English.
• Proactively gather knowledge from HQ to strengthen U.S. operations.

• Support pre-sales technical assessments and on-site control system evaluations.
• Develop application guidelines, technical documentation, and training materials.
• Deliver product and application training to internal teams, reps, and partners.
• Provide consultative support to distributors and end users.

• Monitor North American HVAC regulations and standards (e.g., Title 24, AHRI).
• Track industry trends and evolving control technologies.
• Identify technical opportunities for market expansion and product improvement.

• Bachelor's degree in Mechanical Engineering, Electrical Engineering, Computer Engineering, Computer Science, or related field.
• 3–5+ years of experience in HVAC controls, system integration, or related controls industry.
• Hands-on experience with system integration testing.
• Strong troubleshooting knowledge of hardware and software systems.
• Experience with serial communication protocols (RS485, Modbus, BACnet).
• Ability to set up lab environments including electrical wiring and PCBA-level testing.
• Fluent Korean language skills (required for HQ collaboration).
• Strong…