Software Engineer II

Company Overview

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. The position requires strong technical depth and the ability to operate in a consultative and leadership capacity across internal teams, distribution partners, and Global HQ.

• 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.
• 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.
• 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.
• 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.
• 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.

• 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.

• 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).

$70,000 - $80,000 USD

• No‑cost employee premiums for you and your eligible dependents for medical, dental, vision, and prescription benefits.
• Auto enrollment with immediate vesting of competitive company matching contributions in a 401(k) Retirement Savings Plan.
• Generous Paid Time Off program that includes company holidays and a combined bank of paid sick and vacation time.
• Performance‑based Short‑Term Incentives (varies by role).
• Access to confidential mental health resources and personal fitness goal incentives.
• Family‑oriented benefits such…