Staff Software Engineer

Description

The company is a global technology maker with more than six decades of history, operating in over 290 locations across Home Appliance Solutions, Media Entertainment Solutions, Vehicle Solutions and Eco Solutions.

This role is the subject matter expert for proprietary HVAC control systems and integration solutions, supporting deployment of HVAC control products in the North American market.

The job calls for deep technical skill and a consultative, leadership-level presence with internal teams, distribution partners and Global HQ.

Responsibilities

• Lead system integration testing for HVAC control systems, gateways and cloud-connected platforms.
• Set up and run lab environments that replicate field conditions, and troubleshoot system-level issues.
• Capture and analyze communication logs from protocols such as BACnet, Modbus, RS485 and UART to find root causes.
• Support integrated validation of cloud-based HVAC control platforms.
• Check Point Lists and communication interfaces between HVAC equipment and BAS systems.
• Troubleshoot serial protocols including RS485, Modbus and BACnet.
• Improve interoperability and compatibility across devices and networks.
• Act as the main technical contact between North America and Global HQ in Korea, sharing findings, market needs and validation results in Korean and English.
• Proactively collect knowledge from HQ to strengthen U.S. operations.
• Support pre-sales technical assessments and on-site control system evaluations.
• Write application guidelines, technical documentation and training materials.
• Train internal teams, sales reps and partners on products and applications.
• Give consultative support to distributors and end users.
• Track North American HVAC regulations and standards such as Title 24 and AHRI, along with trends and new control technologies.
• Find technical openings for market growth and product improvement.

Requirements

• A bachelor's degree in mechanical, electrical or computer engineering, computer science, or a related field.
• 10+ years of experience in HVAC controls, system integration or a related controls field.
• Hands-on system integration testing experience.
• Strong troubleshooting skills across hardware and software.
• Experience with RS485, Modbus and BACnet serial protocols.
• Ability to build lab setups, including electrical wiring and PCBA-level testing.
• Fluent Korean, required for HQ collaboration.
• Strong analytical, debugging and problem-solving skills.
• You must be eligible to work in the U.S. without sponsorship.
• Nice to have: experience with VRF or ductless mini-split systems.
• Nice to have: experience with embedded systems or microcontrollers.
• Nice to have: familiarity with cloud-connected HVAC platforms.
• Nice to have: programming experience in C, C++ or similar languages.
• Nice to have: experience writing technical documentation or training materials.
• Nice to have: experience with mobile control apps such as LG ThinQ or similar platforms.

Conditions

Recruiting range is $120,000 to $140,000 USD.

Benefits

• No-cost employee premiums for you and eligible dependents covering medical, dental, vision and prescription benefits.
• Auto enrollment in a 401(k) plan with several investment options and company matching contributions that vest immediately.
• Generous paid time off, including company holidays and a combined bank of sick and vacation time.
• Performance-based short-term incentives, which vary by role.
• Confidential mental health resources for you and your family.
• Personal fitness goal incentives.
• Paid parental leave and support for families raising children with learning, social, behavioral or developmental disabilities.
• Group rate life and disability insurance.
• Access to relevant benefit programs through partner agencies.