> Markdown version of [/jobs/ext/1810690-software-engineer-ii](https://www.wearedevelopers.com/jobs/ext/1810690-software-engineer-ii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer II - **Company:** LG Electronics - **Location:** Alpharetta, GA, United States - **Experience:** Experienced - **Salary:** $70,000.0 - $80,000.0 - **Contract:** Permanent contract - **Skills:** C Sharp (Programming Language), Cloud Computing, Computer Programming, Computer Engineering, Software Debugging, Modbus, RS-485 Standard, Serial Communications, Software Systems, System Integration Testing, Systems Integration, Universal Asynchronous Receiver/Transmitter, PIC Microcontroller, Information Technology, Bacnet - **Published:** July 2, 2026 - **Apply:** https://diversityjobs.com/main/sendform/8/8/28176/1/17457905?backUrl=%2Fcareer%2F17457905%2FSoftware-Engineer-Ii-Georgia-Alpharetta ## About the Role * 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 analytical, debugging, and problem-solving skills. * Eligible to work in the U.S. without sponsorship. Preferred Qualifications * Experience with VRF or ductless mini-split systems. * Experience with embedded systems or microcontrollers. * Familiarity with cloud-connected HVAC platforms. * Programming experience (C, C#, or similar). * Experience developing technical documentation or training materials. * Experience with mobile control applications (e.g., LG ThinQ or similar platforms). ## Description 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. Key Responsibilities 1. System Integration & Technical Leadership * 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. 1. Controls Communication & Interface Optimization * 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. 1. HQ & Cross-Regional Collaboration * 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. 1. Product Application & Pre-/Post-Sales Support * 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. 1. Industry & Regulatory Awareness * 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. ## Related Videos - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Optimizing Land-Based Fish Feeding with Node-RED](https://www.wearedevelopers.com/videos/2032-optimizing-land-based-fish-feeding-with-node-red) - [Green Cloud Computing](https://www.wearedevelopers.com/videos/592-green-cloud-computing) - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [Enabling intelligent logistics automation: home-grown Industrial IoT platform at Austrian Post](https://www.wearedevelopers.com/videos/2018-enabling-intelligent-logistics-automation-home-grown-industrial-iot-platform-at-austrian-post) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) ## Related Articles - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)