The PLC Programmer is responsible for designing, developing, and implementing PLC programs that support the operation, monitoring, and control of mechanical, HVAC, plumbing, and electrical systems. This role ensures that all automated building and industrial systems function efficiently, safely, and in alignment with project specifications. The PLC Programmer collaborates closely with engineering, project management, and field teams to integrate control strategies, troubleshoot issues, optimize system performance, and deliver high-quality automation solutions from concept through commissioning.
What You Will Do
- Work with a team of design engineers to develop system control strategies.
- Develop Rockwell and Siemens PLC programs using:
- P&IDs
- Sequence of operation documentation
- Project plans and specifications
- Customer requirements and standards
- Perform integrations to different communication protocols, including (but not limited to) Modbus, Ethernet/IP, Profibus, and BACnet.
- Collaborate with SCADA developers to implement HMI integration and control via SCADA software.
- Develop simulation, bench test, factory acceptance test protocol documentation.
- Perform simulations, bench tests, factory witness tests, and on-site commissioning tests for each program.
- Position requires up to 30% of travel to customer sites for deployment of post-deployment support activities.
What You Will Bring to The Role
Required:
- 5+ years of experience programming Rockwell and/or Siemens PLC
- Understanding BAS controls and Process Plant controls in different environments.
- Must be able to initiate and execute programming tasks either individually or as a team, fulfilling all necessary responsibilities to ensure successful client delivery.
- Must be able to read electrical, process control drawings, and P&IDs.
- Must have a good understanding of mechanical, HVAC, plumbing, electrical, and process systems.
- Good understanding of IT networks
- Experience with multiple communication protocols and Gateway networking
- Modbus
- Ethernet/IP
- Profibus
- BACnet
Preferred:
- Bachelor’s degree in Systems Engineering, Controls Engineering, Software Engineering, Electrical Engineering, Mechatronics Engineering, or Computer Science.
- Experience with DDC, Tridium, or other BAS control systems.
Skills Required
- 5+ years of experience programming Rockwell and/or Siemens PLCs
- Understanding of BAS controls and process plant controls in different environments
- Ability to independently or collaboratively execute programming tasks and responsibilities for successful client delivery
- Ability to read electrical and process control drawings and P&IDs
- Understanding of mechanical, HVAC, plumbing, electrical, and process systems
- Good understanding of IT networks
- Experience with Modbus, Ethernet/IP, Profibus, BACnet, and gateway networking
- Bachelor’s degree in Systems Engineering, Controls Engineering, Software Engineering, Electrical Engineering, Mechatronics Engineering, or Computer Science
- Experience with DDC, Tridium, or other BAS control systems
What We Do
Since 1947, Hoffman & Hoffman, Inc. has served the Carolinas and Virginia in the selection and application of commercial and industrial heating, ventilation, air conditioning, filtration and direct digital control (DDC) systems. In Fall 2009, Hoffman & Hoffman, Inc. opened branch offices in Knoxville and Chattanooga, Tennessee. Hoffman & Hoffman represents manufacturers of the highest quality HVAC equipment and controls available on the market today. Through one of our (14) fourteen regional branch offices, our professional sales engineers can assist you in most commercial/industrial HVAC and filtration projects. We employ Certified Energy Managers (CEM), LEED accredited professionals and professional sales engineers dedicated to meeting the heating, filtration, ventilation and air conditioning needs of engineers, owners and contractors. Delivering engineered, flexible, economical and environmentally responsible solutions for commercial, industrial and institutional heating, ventilating, air conditioning and refrigeration requirements is our top priority.
