Senior Electrical Controls Engineer: PLC & Automation Lead

Liberty Personnel Services, Inc.; Smyrna (TN); On-site; USD 90,000 - 150,000; Full time

Job summary

Liberty Personnel Services, Inc. is seeking a Lead Electrical Controls Engineer to lead design, programming, integration, and commissioning of advanced automated equipment for a diverse client base.

The ideal candidate has strong PLC/HMI programming experience, hands-on machine integration skills, and a proven track record leading projects from concept through startup in a collaborative, technically advanced automation environment.

Qualifications

• Experience with PLC programming platforms (Allen-Bradley, Siemens, Mitsubishi, GE or similar).
• HMI development experience using Rockwell, Siemens, Pro-face, C-more or related platforms.
• Experience with industrial automation systems and machine controls.
• Ability to read and create electrical and pneumatic schematics.
• Strong troubleshooting and machine startup experience.
• Excellent communication and documentation skills.
• Ability to manage multiple projects and work independently in a fast-paced environment.
• Willingness to travel for customer support and system commissioning.

Responsibilities

• Design and develop electrical and pneumatic schematics, control system layouts, and Bills of Material using AutoCAD Electrical
• Program, configure, and troubleshoot PLC, HMI, robotics, and motion control systems for custom automated machinery
• Develop structured and well-documented control system software in accordance with customer specifications and internal standards
• Test, debug, and commission machinery and automation systems both in-house and at customer facilities
• Support machine installation, startup, troubleshooting, and ongoing customer support activities
• Ensure all project documentation, drawings, and software revisions are properly updated and maintained
• Assist in developing machine operation manuals and controls documentation
• Participate in design reviews, project planning, and technical discussions with customers and internal teams
• Support sales and applications engineering by reviewing specifications, recommending solutions, and assisting with project quotations and cost estimates
• Provide leadership and technical guidance to junior engineering staff and support cross-functional project teams
• Travel as required for machine installations, customer meetings, and project support

Skills

PLC programming

HMI development

System integration

Electrical schematics reading

Project leadership

Travel readiness

Documentation

Tools

AutoCAD Electrical

Allen-Bradley

Siemens

Mitsubishi

GE

Rockwell

Pro-face

C-more

Job description

Liberty Personnel Services, Inc. is seeking a Lead Electrical Controls Engineer to lead design, programming, integration, and commissioning of advanced automated equipment for a diverse client base.

The ideal candidate has strong PLC/HMI programming experience, hands-on machine integration skills, and a proven track record leading projects from concept through startup in a collaborative, technically advanced automation environment.