Staff Software Engineer
About The Position
The HVAC Controls & System Integration Engineer serves as a subject matter expert for proprietary control systems and integration solutions. The role is responsible for system integration testing, lab and field validation, regulatory awareness, and cross-functional collaboration to support successful deployment of HVAC control solutions in the North American market. It requires technical depth and the ability to work in a consultative and leadership capacity with internal teams, distribution partners, and Global HQ. The engineer leads testing and validation of HVAC controls, gateways, and cloud-connected platforms; establishes lab environments to reproduce field conditions; and analyzes communications logs to troubleshoot system-level issues. The position also supports control-system assessments and training, provides technical guidance to distributors and end users, and coordinates technical findings and market needs with Global HQ in Korea.
Requirements
- Bachelor’s degree in Mechanical Engineering, Electrical Engineering, Computer Engineering, Computer Science, or a related field.
- 10 or more years of experience in HVAC controls, system integration, or a related controls industry.
- Hands-on experience with system integration testing.
- Strong troubleshooting knowledge of hardware and software systems.
- Experience with serial communication protocols, including RS485, Modbus, and BACnet.
- Ability to set up lab environments, including electrical wiring and PCBA-level testing.
- Fluent Korean language skills for collaboration with HQ.
- Strong analytical, debugging, and problem-solving skills.
- Eligibility to work in the U.S. without sponsorship.
Nice To Haves
- Experience with VRF or ductless mini-split systems.
- Experience with embedded systems or microcontrollers.
- Familiarity with cloud-connected HVAC platforms.
- Programming experience in C, C#, or a similar language.
- Experience developing technical documentation or training materials.
- Experience with mobile control applications such as LG ThinQ or similar platforms.
Responsibilities
- Lead system integration testing for HVAC control systems, gateways, and cloud-connected platforms.
- Establish and manage lab environments that replicate field conditions and troubleshoot system-level issues.
- Capture and analyze communication logs, including BACnet, Modbus, RS485, and UART, for root cause analysis.
- Support integrated validation of cloud-based HVAC control platforms.
- Verify Point Lists and communication interfaces between HVAC equipment and building automation systems.
- Troubleshoot serial communication protocols, including RS485, Modbus, and BACnet.
- Optimize interoperability and compatibility across devices and networks.
- Serve as the primary technical liaison between North America and Global HQ in Korea.
- Communicate technical findings, market needs, and validation results in Korean and English, and 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, representatives, and partners.
- Provide consultative support to distributors and end users.
- Monitor North American HVAC regulations and standards, including Title 24 and AHRI, and track industry trends and evolving control technologies.
- Identify technical opportunities for market expansion and product improvement.
Benefits
- No-cost employee premiums for employees and eligible dependents for medical, dental, vision, and prescription benefits.
- Automatic enrollment with immediate vesting of company matching contributions in a 401(k) retirement savings plan.
- Paid Time Off program with company holidays and combined paid sick and vacation time.
- Performance-based short-term incentives, varying by role.
- Confidential mental health resources and personal fitness goal incentives.
- Paid parental leave and family support for families raising children with learning, social, behavioral challenges, or developmental disabilities.
- Group-rate life and disability insurance.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
