Software Engineer II
$70,000–$80,000 year
On-siteAlpharetta, Georgia, United States
Job Summary
Lead system integration testing for HVAC control systems, gateways, and cloud-connected platforms while establishing lab environments to replicate field conditions. Capture and analyze communication logs for root cause analysis, verify point lists, and troubleshoot serial protocols like RS485, Modbus, and BACnet to optimize system interoperability. Serve as the primary technical liaison between North America and Global HQ in Korea, communicating findings in Korean and English to strengthen U.S. operations. Support pre-sales assessments, develop application documentation, and deliver training to internal teams and distributors. Monitor North American HVAC regulations and track industry trends to identify market expansion opportunities. Requires a Bachelor's degree in engineering, 3–5+ years of HVAC controls experience, fluent Korean, and eligibility to work in the U.S. without sponsorship. Salary range $70,000–$80,000 USD.
Required Qualifications
- 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
Desired 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)
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