PLC Programmer

Key Responsibilities

• Author and modify Allen-Bradley ControlLogix and CompactLogix PLC programs independently ladder logic, structured text, function block diagrams, and sequential function charts.
• Commission and validate PLC programs on new equipment installations and major modifications.
• Develop and modify Ignition SCADA projects Perspective screens, tag configurations, alarm pipelines, Python scripting, and database integration.
• Lead downtime response for complex controls failures plant-wide.
• Diagnose and resolve OT network communication issues EtherNet/IP, Modbus TCP, MQTT/Sparkplug at the device level.
• Maintain and update PLC and SCADA program documentation per STD-AUTO.
• Manage change control: document all program changes in Linear with before/after state, peer review, and verification.
• Audit contractor deliverables against STD-AUTO, STD-IT, STD-SW
• Participate in capital project review provide controls scope input on new equipment purchases and installations.
• Develop and maintain PM procedures for controls equipment in MaintainX.
• Mentor and formally sign off Level 1, 2, and 3 technicians on OJT milestones.
• Rotate as instructor for Creekstone Controls Academy (CCA-1 through CCA-4) sessions.
• Maintain on-call availability for critical downtime escalations.

Qualifications

• 5+ years of industrial controls experience including PLC program authoring (not just troubleshooting).
• Demonstrated authorship of production Allen-Bradley ControlLogix or CompactLogix programs including AOIs, UDTs, structured text, and FBD.
• Inductive Automation Ignition SCADA development experience Perspective screens, Python scripting, OPC-UA configuration.
• EtherNet/IP, Modbus TCP, and OT network troubleshooting at the device and switch level.
• Experience with PanelView / FactoryTalk View HMI development and FactoryTalk Security.
• Strong technical documentation and change-management discipline.
• LOTO certified, OSHA 10 (OSHA 30 preferred).
• Comfortable working in a USDA-inspected production environment.
• Required Inductive Automation Ignition Core Certification (must be current; will be required prior to or shortly after hire).
• Rockwell Automation Certified Technician (RACT) for Logix or equivalent demonstrated capability.
• CCP299 Advanced Logix5000 Programming completion (or willingness to complete within first 6 months).
• PREFERRED: Beef, pork, or poultry plant experience operational fluency with chain speed, CCPs, carcass chilling, fab line cuts.
• Rockwell Automation Certified Professional (RACP) Studio 5000 Logix Designer.
• OT cybersecurity training (ISA IC32 or equivalent).
• Experience with managed industrial switches (Stratix,Cisco) and VLAN configuration.
• Database experience PostgreSQL preferred, including named queries and basic schema work.
• Experience auditing contractor work against industrial standards.
• Experience mentoring or training junior technicians.