Controls Engineer PLC

Liberty Personnel Services, Inc.
Phoenix, AZ

Job Details:

Controls Engineer PLC

Job Duties & Responsibilities:

  • Determine the design and performance parameters for control system applications.
  • Determine system I/O maps and help specify hardware to meet existing design requirements in addition to accommodation of potential future system growth.
  • Design automation, industrial, and critical environment controls system hardware and software.
  • Develop PLC and HMI software to meet the functional requirements of the system.
  • Support sales by visiting customer sites to support discussions related to the technical details of potential solutions.
  • Provide direction and support through the construction process.
  • Perform, oversee, assist, and sign off on final testing/commissioning of the completed systems.
  • Initiate final technical documentation for completed projects (As-Builts).
  • Troubleshoot and debug PLC hardware and HMI/SCADA software.
  • Provide technical support and troubleshooting assistance for other technicians, customers, and sales teams.
  • Responsible for maintaining current technical, interpersonal, and communication skills through continuous education/development. (school, reading, seminars, industry group membership, etc.)
  • Work with Engineering/Design team to create Submittal and Panel Drawings.
  • Maintain clean driving record.
  • Must be able to access and inspect all areas of building control and industrial machinery.
  • Must be able travel for extended durations.
  • Other duties as assigned.

Skills and Qualifications

Basic Qualifications

  • BS (Computer/Mechanical) Engineering or equivalent experience/training.
  • 3+ years of experience in mission critical or industrial environment.
  • 3+ years of experience in HVAC and/or building automation.
  • Knowledge of industrial and mobile PLC and HMI programming.
  • Working knowledge and experience with Ignition SCADA HMI
  • Expert level knowledge of CodeSys (IEC 61131-3), RSLogix (AB), AVEVA (Wonderware) and CX-Programmer (Omron) programming languages.
  • Knowledge and proficiency in system data storage and transfer.
  • Experience with BACnet and DDC systems/protocols/programming is a plus.
  • Ignition SCADA HMI certification(s) also a plus.

To apply, please send resume to: [email protected]

#libertyjobs

#midsenior

#controls

#buildingautomation

Posted 2026-06-11

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