Senior Electrical Engineer — Automation & Motion Control (9Mo)

Liberty Personnel Services, Inc.; Center Square (PA); On-site; USD 68,880 - 123,984; Full time

Job summary

Liberty Personnel Services, Inc. in Center Square, PA is seeking a Senior Electrical Engineer for a long-term 9+ month contract to support the development of advanced automation and control systems.

This hands-on role emphasizes prototype development, testing, debugging, and documentation for complex motion and control platforms. The ideal candidate will have strong experience in industrial automation, robotics, motion control, and custom machinery.

Qualifications

• Strong circuit design experience spanning power, analog, and digital systems.
• Understanding of motor control electronics and motion systems.
• Experience with industrial control systems and prototype development.
• Background working with automation equipment, robotics, semiconductor manufacturing/FAB systems, or custom machinery.
• Strong debugging and troubleshooting skills in both lab and production environments.
• Excellent technical documentation and communication skills.

Responsibilities

• Design, build, test, and debug electrical prototypes for complex control systems
• Develop and troubleshoot analog, digital, and power circuitry
• Work with analog‑to‑digital converters, PLCs (including custom/homegrown systems), automation controls, and robotics platforms
• Support motion control systems involving servo, stepper, and DC motors
• Perform system‑level troubleshooting and root cause analysis across integrated hardware platforms
• Create and maintain detailed engineering documentation, schematics, test procedures, and technical reports
• Collaborate closely with multidisciplinary engineering teams including software, mechanical, manufacturing, and controls engineers
• Contribute to the development of cost‑effective, production‑ready solutions

Job description

Liberty Personnel Services, Inc. in Center Square, PA is seeking a Senior Electrical Engineer for a long-term 9+ month contract to support the development of advanced automation and control systems.

This hands-on role emphasizes prototype development, testing, debugging, and documentation for complex motion and control platforms. The ideal candidate will have strong experience in industrial automation, robotics, motion control, and custom machinery.