Senior Controls Engineer: Own PLCs, HMIs & Panels

Liberty Personnel Services, Inc.; Blandon (PA); On-site; USD 90,000 - 120,000; Full time

Job summary

Liberty Personnel Services, Inc. in Blandon, PA seeks a Sr. Controls Engineer to own design, programming, and commissioning of industrial control systems. You will manage PLCs, HMIs, and control panels from concept through on-floor startup and ongoing support.

You will collaborate with engineering and manufacturing teams to modernize equipment, improve uptime, and drive safe, efficient operations. Occasional travel of ~5% is required.

Qualifications

• Hands-on controls or industrial automation engineering experience.
• Proficiency with PLC-based control systems.
• Experience reading electrical schematics.
• Background in equipment startup, commissioning, or field support.
• Ability to troubleshoot control and electrical issues systematically.
• Comfort working with HMIs and operator interfaces.
• Familiarity with control panel design concepts.
• Experience collaborating with engineering and manufacturing teams.

Responsibilities

• Design electrical and industrial control systems for manufacturing equipment.
• Program PLCs to control machine operation and sequencing.
• Develop and configure HMI screens for operators and technicians.
• Create and update control panel designs and related documentation.
• Develop and interpret electrical schematics for new and existing equipment.
• Commission new equipment and support equipment startup on the plant floor.
• Troubleshoot control system and electrical issues on production machinery.
• Partner with engineering to implement equipment and process improvements.
• Collaborate with manufacturing teams to resolve production control problems.
• Provide ongoing support for installed control systems and upgrades.
• Participate in occasional travel for commissioning or support as needed.

Skills

Industrial automation

PLC control

Electrical schematics

HMI interfaces

Cross-functional teamwork

Tools

AutoCAD Electrical

Job description

Liberty Personnel Services, Inc. in Blandon, PA seeks a Sr. Controls Engineer to own design, programming, and commissioning of industrial control systems. You will manage PLCs, HMIs, and control panels from concept through on-floor startup and ongoing support.

You will collaborate with engineering and manufacturing teams to modernize equipment, improve uptime, and drive safe, efficient operations. Occasional travel of ~5% is required.