Electrical Controls Engineer III

Job Details

Job Location
AAON Tulsa - Tulsa, OK

Position Type
Full Time

Salary Range
$102876.00 - $139186.00 Salary

Travel Percentage
Up to 25%

Job Shift
Day

Job Category
Engineering

Job Posting Date(s)

Start Date
09/11/2025

Description

Job Summary: The Electrical Controls Engineer III plays a senior technical role in designing, developing, and optimizing electrical control systems for HVAC manufacturing operations. This position involves leading complex projects involving PLC programming, HMI development, and integration of building automation systems. The engineer collaborates with cross-functional teams to ensure systems meet performance, safety, and regulatory standards. Responsibilities include system architecture design, troubleshooting, commissioning, and continuous improvement of control strategies to enhance energy efficiency and product reliability.

Essential Job Duties and Responsibilities:

• Writes software code (PLC/DDC), analyzing, and implementing software for all products.
• Writes product specifications & sequence of operation of AAON products.
• Modifies software for custom control (PLC/DDC), makes recommendation changes, and directs testing of the software offline, online, and in the production line.
• Analyzes and implements electrical hardware control VFD Relay logic for all products.
• Participates in product specification design review.
• Designs and implements the KAIC, Automation wiring sizes, fuses sizes, and new charts tables.
• Estimates the total cost of control and help application with sequence specification.
• Maintains customer technical support for hardware and software designs, including troubleshooting field problems and developing solutions.
• Collaborates with field services to start up the units, which may include travel to field locations.
• Coordinates and leads engineering projects, working with management, production, applications, and marketing staff to plan and assess feasibility of projects.
• Works indirectly with line engineering and production departments to implement ECN.

Qualifications

Education and Experience Requirements:

Bachelor's degree in Electrical Engineering, or equivalent, and 7-10 years' industry experience in the Commercial HVAC manufacturing, or equivalent experience in a similar industry.

Knowledge, Skills, and Abilities:

• Solid experience and knowledge of building control systems and protocols.
• Strong background in control applications, with experience in the use of web-based development tools.
• Expertise in several of the following core technologies: Niagara AX, MSTP BACnet, LONWORKS, and Modbus Protocol.

Work Environment:

• Primarily works in office environment.
• Work requires occasional exposure to manufacturing facilities with seasonal hot and cold temperatures, dust, and some chemical fume exposure.
• Ability to stand comfortably for prolonged periods of time, as much as 95% of the workday.
• Ability to lift up to 50 pounds occasionally.

Disclaimer:

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice. This job description is not an exhaustive list of all functions that the employee may be required to perform, and the employee may be required to perform additional functions. The company reserves the right to revise this job description at any time. The employee must be able to perform the essential functions of the position satisfactorily. If requested, reasonable accommodations may be made to enable employees with disabilities to perform the essential functions of the job, absent undue hardship.