Aaon, Inc.
Designs and manufactures energy-efficient heating, ventilation, and air conditioning systems.
Electrical Controls Engineer III
Design, develop, test, and support electrical control systems for HVAC products
Job Highlights
About the Role
The Electrical Controls Engineer III writes PLC/DDC software code, analyzes and implements software for all AAON products, creates product specifications and sequences of operation, and modifies software for custom control, recommending changes and directing offline, online, and production line testing. The role also analyzes and implements electrical hardware control, including VFD and relay logic, participates in product specification design reviews, designs and implements KAIC automation wiring, fuse sizes, and new chart tables, estimates total control cost, and provides technical support for hardware and software, troubleshooting field problems and developing solutions. The engineer collaborates with field services to start up units, may travel to field locations, coordinates and leads engineering projects with management, production, applications, and marketing to assess feasibility, and works indirectly with line engineering and production to implement engineering change notices. • Write and modify PLC/DDC software, create specifications and sequence of operation, and direct testing. • Analyze and implement electrical hardware control, including VFD and relay logic, and design automation wiring and fuse sizes. • Provide technical support, troubleshoot field issues, and develop solutions for hardware and software. • Lead engineering projects, coordinate with management, production, applications, and marketing, and assess project feasibility. • Collaborate with field services for unit start‑up and travel to customer sites as needed.
Key Responsibilities
- ▸plc programming
- ▸vfd control
- ▸relay logic
- ▸automation wiring
- ▸field support
- ▸project lead
What You Bring
A bachelor’s degree in Electrical Engineering or equivalent and 7‑10 years of experience in commercial HVAC manufacturing (or a similar industry) are required. The candidate must have solid experience with building control systems and protocols, a strong background in control applications using web‑based development tools, and expertise in core technologies such as Niagara AX, MSTP BACnet, LONWORKS, and Modbus. Work is primarily in an office setting with occasional exposure to manufacturing facilities that may be hot, cold, dusty, or have chemical fumes; the position requires standing for up to 95% of the day and occasional lifting of up to 50 lb. • Require BS in Electrical Engineering (or equivalent) and 7‑10 years in commercial HVAC manufacturing. • Possess expertise in building control systems, web‑based development tools, and protocols such as Niagara AX, BACnet, LONWORKS, and Modbus. • Work primarily in an office environment with occasional exposure to manufacturing conditions; stand up to 95% of the day and lift up to 50 lb.
Requirements
- ▸electrical engineering
- ▸hvac manufacturing
- ▸niagara ax
- ▸bacnet
- ▸lonworks
- ▸modbus
Work Environment
Office Full-Time