Industrial Controls Specialist – PLC/SCADA Expert

Little Leaf Farms, LLC; Pennsylvania; On-site; USD 85,000 - 110,000; Full time

Job summary

Little Leaf Farms, LLC in Pennsylvania is seeking a Controls Specialist to ensure the performance and reliability of our automation and control systems across greenhouse and packhouse operations. You will diagnose, program, troubleshoot, and optimize PLC, HMI, and related systems to minimize downtime and improve efficiency.

Collaborating with Maintenance, Facilities, and Operations, you will maintain documentation, back up PLC/HMI/SCADA programs, support system upgrades, and participate in

Qualifications

• Associate’s degree or technical certification in Electrical Engineering Technology, Automation, Mechatronics, or a related field.
• 3–5+ years of experience supporting industrial automation or controls systems in a manufacturing, food processing, or similar environment.
• Hands-on experience troubleshooting PLC-based systems (Allen-Bradley, Siemens, or similar).
• Strong understanding of industrial electrical systems (480V 3 phase, control circuits).
• Experience with PLC programming and troubleshooting (Allen Bradley, Siemens, RSLogix/Studio 5000).
• Familiarity with VFDs, servo systems, and industrial networking (EtherNet/IP, Profibus, Modbus).
• Ability to read and interpret electrical schematics and technical documentation.

Responsibilities

• Install, maintain, and troubleshoot industrial control systems, including PLCs, HMIs, VFDs, sensors, and instrumentation.
• Diagnose electrical and automation issues using schematics, wiring diagrams, ladder logic, and other diagnostic tools.
• Program and modify PLC logic (Allen-Bradley, Siemens, etc).
• Own all PLC/HMI/SCADA programs and backups.
• Drive reduction in automation-related downtime.
• Perform root cause analysis on recurring failures.
• Create troubleshooting guides for technicians.
• Train maintenance technicians on basic controls troubleshooting.
• Follow and enforce change management practices for all control system modifications.
• Maintain accurate and up-to-date documentation of control systems, including program backups, revisions, and electrical drawings.
• Monitor system performance and recommend improvements to increase reliability and efficiency.
• Collaborate with maintenance and operations teams to support equipment upgrades and new installations.
• Perform system testing and calibration on sensors, instrumentation, and automated equipment.
• Respond to equipment failures and provide technical support to minimize downtime.
• Participate in on-call rotation and respond to off-hours equipment failures as needed to support operations.
• Adhere to GMP and HACCP guidelines; report issues affecting food safety or quality.
• Maintain a positive work atmosphere with customers, co-workers, and management.
• Performs other duties as assigned.

Skills

Troubleshooting

PLC/automation knowledge

Industrial networking

Electrical schematics reading

PLC programming

Education

Associate’s degree or technical certification in Electrical Engineering Technology, Automation, Mechatronics, or related field

Bachelor’s degree in Electrical Engineering, Automation, or related field

Tools

RSLogix/Studio 5000

Allen-Bradley

Job description

Little Leaf Farms, LLC in Pennsylvania is seeking a Controls Specialist to ensure the performance and reliability of our automation and control systems across greenhouse and packhouse operations. You will diagnose, program, troubleshoot, and optimize PLC, HMI, and related systems to minimize downtime and improve efficiency.

Collaborating with Maintenance, Facilities, and Operations, you will maintain documentation, back up PLC/HMI/SCADA programs, support system upgrades, and participate in