Automation Support Engineer – PLC & Cleanroom Systems

Job Summary:
AirCare Automation is seeking an ambitious and hands-on Automation Support Engineer – PLC & Cleanroom Systems to support the design, deployment, and technical operation of our cleanroom automation systems. This role is ideal for someone with a strong technical foundation in controls, electrical systems, automation, HVAC controls, field service, or industrial troubleshooting who wants to grow into a well-rounded controls engineer. The position offers direct exposure to PLC programming, MODBUS/BACnet communication, proprietary controller hardware, customer-facing commissioning, and cleanroom system startup work.

Key Responsibilities:

· PLC and Controls Development: Assist with programming, modifying, testing, and documenting PLC software used in AirCare’s cleanroom control systems, with increasing responsibility as skills grow.

· Field Commissioning and Startup: Travel to customer sites to support cleanroom system installations, verify automation performance, assist with system validation, and train customers on proper operation.

· Technical Support and Troubleshooting: Provide technical support for AirCare’s proprietary MODBUS/BACnet fan controller boards and related automation products, working through field issues with internal engineering and operations support.

· Hardware and System Integration: Support setup, configuration, testing, and troubleshooting of low-voltage controls, sensors, fan filter units, communication networks, and cleanroom automation components.

· Documentation and Continuous Improvement: Help create and maintain setup guides, wiring notes, commissioning checklists, support documentation, and lessons learned from field installations.

Qualifications:

· Bachelor’s degree in electrical engineering, controls, mechatronics, computer engineering, automation, or a related technical field preferred; equivalent hands-on technical experience will also be considered.

· Foundational experience with PLCs, industrial controls, BAS/HVAC controls, low-voltage electrical systems, panel wiring, automation equipment, or field troubleshooting is strongly preferred.

· Exposure to MODBUS, BACnet, RS-485 networks, sensors, controllers, or embedded/automation hardware is a plus; training will be provided on AirCare’s specific cleanroom control platform.

· Strong problem-solving skills, attention to detail, and the ability to work through technical issues methodically and independently in both office and field environments.

· Professional communication skills and comfort working with customers, installers, engineers, and internal teammates.

· Willingness and ability to travel up to 40% of the time for installations, commissioning, service support, and customer training.

· Self-motivated learner with the desire to grow engineering knowledge over time.

Why Join AirCare?

· Work directly on specialized cleanroom automation systems used in demanding technical environments.

· Gain hands-on experience across PLC programming, communication protocols, proprietary hardware, commissioning, customer training, and technical support.

Job Type: Full-time

Pay: $70,000.00 - $85,000.00 per year

Benefits:

• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Paid time off

Ability to Commute:

• San Antonio, TX 78217 (Preferred)

Ability to Relocate:

• San Antonio, TX 78217: Relocate before starting work (Preferred)

Willingness to travel:

• 25% (Preferred)

Work Location: In person

Salary : $70,000 - $85,000