PLC Controls Engineer: Automation & Troubleshooting

Liberty Personnel Services, Inc.; Telford (PA); On-site; USD 70,000 - 90,000; Full time

Job summary

Liberty Personnel Services in Pennsylvania seeks a PLC Controls Engineer to join its growing technical team. You will troubleshoot, design, program and commission control systems for industrial applications, with hands-on work on drives, HMIs, networks, and documentation.

Required: 2+ years in PLC controls, strong AB PLCs/HMIs, reading/writing AutoCAD electrical drawings, and excellent communication. Travel occasionally and valid driver’s license are expected.

Qualifications

• 2+ years of experience in PLC controls, automation engineering, or a related role.
• Strong experience with Allen-Bradley PLCs and HMIs.
• Proven troubleshooting skills and ability to work with minimal supervision.
• Comfortable reading and creating AutoCAD electrical drawings.
• Strong verbal and written communication skills (English required).
• Organized, detail-oriented, and customer-focused.
• Valid driver’s license and ability to travel occasionally.

Responsibilities

• Troubleshoot and support PLC-based control systems, including drives, HMIs, networks, and related components.
• Design, program, and modify control systems for industrial applications.
• Develop and interpret electrical and control documentation.
• Build and support control panels in compliance with applicable codes and standards.
• Perform system startup, commissioning, and on-site support as needed.
• Provide remote and on-site technical assistance to customers.
• Collaborate with internal teams and external stakeholders to resolve complex automation challenges.
• Identify technical risks and contribute to practical, reliable solutions.

Skills

PLC controls

Automation engineering

Troubleshooting

Customer-facing

Education

Degree in Electrical Engineering/Mechatronics

Tools

AutoCAD Electrical

Job description

Liberty Personnel Services in Pennsylvania seeks a PLC Controls Engineer to join its growing technical team. You will troubleshoot, design, program and commission control systems for industrial applications, with hands-on work on drives, HMIs, networks, and documentation.

Required: 2+ years in PLC controls, strong AB PLCs/HMIs, reading/writing AutoCAD electrical drawings, and excellent communication. Travel occasionally and valid driver’s license are expected.