Field Automation Engineer: PLC, HMI & SCADA Specialist

Liberty Personnel Services, Inc.; Darlington (SC); On-site; USD 75,000 - 110,000; Full time

Benefits offered by this job

Paid vacation

Paid holidays

Medical and dental insurance

401(k) with company match

Continuing education opportunities

Professional development and career-op

Continuing education opportunities

Job summary

Liberty Personnel Services, Inc. is seeking an experienced Automation Field Engineer to support installation, commissioning, startup, and service of industrial and building automation systems.

The role requires hands-on controls work with PLCs, HMIs, SCADA, and related networks, along with field troubleshooting and travel to project sites. The ideal candidate will work with engineering and project teams to ensure systems are properly installed, tested, commissioned, and operational, with strong

Qualifications

• 2+ years of experience in industrial automation, building automation, controls, or plant-floor environments.
• Hands-on experience with PLCs, HMIs, and SCADA systems.
• Understanding of control loops, field I/O, instrumentation, and P&IDs.
• Experience with industrial control networks and communications.
• Ability to read electrical schematics and technical drawings.
• Willingness to travel to project sites.

Responsibilities

• Support the installation, integration, startup, commissioning, and service of automation and control systems.
• Participate in daily planning for commissioning, installation, service, testing, and system energization activities.
• Interpret sequences of operation and troubleshoot control systems to ensure proper system functionality.
• Program, modify, troubleshoot, and deploy PLC, HMI, DDC, and SCADA applications.
• Work with ladder logic, sequential function charts, structured text, function block diagrams, and other PLC programming methods.
• Perform SCADA troubleshooting, including graphics, data structures, UDT modifications, and system communications.
• Install, configure, and troubleshoot industrial control networks, including TCP/IP, Modbus, and proprietary communication networks.
• Perform system testing, startup, commissioning, and validation of automation systems and OEM equipment.
• Develop, interpret, and execute test scripts and commissioning procedures.
• Troubleshoot electrical, mechanical, controls, instrumentation, and OEM equipment issues.
• Read and interpret electrical control schematics, power drawings, mechanical layouts, P&IDs, and related technical documentation.
• Assist with control panel installation, field wiring, I/O checkout, instrumentation testing, and system integration.
• Utilize electrical test equipment, including Fluke meters, for troubleshooting and system verification.
• Perform instrumentation calibration and testing as required.
• Work with engineering and project management teams to identify and resolve field issues.
• Support installation and deployment teams with limited supervision.
• Document commissioning activities, test results, deficiencies, and corrective actions.
• Participate in project lessons learned and continuous improvement initiatives.
• Communicate professionally with customers, contractors, vendors, engineers, and internal team members.
• Travel to customer and project sites as required.

Skills

PLC programming

HMI development

SCADA systems

Electrical troubleshooting

Field instrumentation

Education

Technical degree in Electrical Engineering or related field

Tools

Allen-Bradley / Rockwell Automation

Job description

Liberty Personnel Services, Inc. is seeking an experienced Automation Field Engineer to support installation, commissioning, startup, and service of industrial and building automation systems.

The role requires hands-on controls work with PLCs, HMIs, SCADA, and related networks, along with field troubleshooting and travel to project sites. The ideal candidate will work with engineering and project teams to ensure systems are properly installed, tested, commissioned, and operational, with strong