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Freelance Plc Ladder Logic Programming Jobs in Waterloo, IL

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Maintenace Technician

Kirkwood, MO · On-site

$40.62 - $43.12/hr

Strong experience with PLC ladder logic programming and troubleshooting . * Ability to diagnose complex electrical and electronic control systems. * Experience troubleshooting CNC machinery and ...

Strong knowledge of PLC programming, ladder logic, industrial controls, and troubleshooting. * Experience with CNC diagnostics, servo systems, sensors, relays, light curtains, proximity switches, and ...

PLC programming, HMI development and troubleshooting skills. * General understanding of automation ... Familiarity with Ladder Logic, Studio 5000 and Factory Talk are a plus. * Willingness to travel up ...

Electrical Engineer

Saint Louis, MO · On-site

$76K - $118K/yr

Ladder Logic, Safety PLC programming and HMI design. Allen Bradley software Studio/RS Logix 5000, FactoryTalk View Studio and RSLinx Classic/OEM, Asset Center. AutoCAD Electrical, Vault, Revit, and ...

PLC programming (ladder logic, structured text), HMI/SCADA development, troubleshooting industrial control systems, and integration of robotic arms, servo systems, and vision technologies. * In-depth ...

PLC programming (ladder logic, structured text), HMI/SCADA development, troubleshooting industrial control systems, and integration of robotic arms, servo systems, and vision technologies. * In-depth ...

PLC programming (ladder logic, structured text), HMI/SCADA development, troubleshooting industrial control systems, and integration of robotic arms, servo systems, and vision technologies. * In-depth ...

PLC programming (ladder logic, structured text), HMI/SCADA development, troubleshooting industrial control systems, and integration of robotic arms, servo systems, and vision technologies. * In-depth ...

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Freelance Plc Ladder Logic Programming information

See Waterloo, IL salary details

$37.5K

$74.7K

$103.7K

How much do freelance plc ladder logic programming jobs pay per year?

As of Sep 7, 2026, the average yearly pay for freelance plc ladder logic programming in Waterloo, IL is $74,711.00, according to ZipRecruiter salary data. Most workers in this role earn between $63,000.00 and $85,700.00 per year, depending on experience, location, and employer.

What is freelance PLC ladder logic programming?

Freelance PLC Ladder Logic Programming is a specialized service where independent professionals design, develop, and troubleshoot control systems using ladder logic for Programmable Logic Controllers (PLCs). These freelancers work on a project-by-project basis, often helping manufacturers and industrial firms automate machinery and processes. Their responsibilities typically include writing and testing ladder logic code, integrating hardware, and ensuring systems run efficiently and safely. This work requires strong knowledge of electrical engineering, industrial automation, and specific PLC brands. Clients benefit from hiring freelancers for flexible, cost-effective solutions tailored to their automation needs.

What are the key skills and qualifications needed to thrive as a freelance PLC ladder logic programmer?

To thrive as a Freelance PLC Ladder Logic Programmer, you need strong knowledge of PLC programming concepts, electrical engineering fundamentals, and experience with industrial automation systems, often supported by a degree or relevant certifications. Familiarity with popular PLC platforms (such as Siemens, Allen-Bradley, or Schneider Electric), ladder logic software tools, and SCADA/HMI systems is essential. Problem-solving ability, attention to detail, and effective client communication are crucial soft skills for managing projects and meeting client needs. These skills ensure accurate system design, efficient troubleshooting, and successful project delivery in diverse industrial environments.

What are some common challenges faced by freelance PLC ladder logic programmers when working with clients remotely?

Freelance PLC Ladder Logic programmers often encounter challenges such as unclear project specifications, limited access to physical hardware for testing, and communication barriers with clients who may not have technical backgrounds. To address these, it's important to establish clear communication channels, use simulation tools for initial testing, and set expectations regarding project timelines and hardware requirements. Proactively sharing progress updates and documentation can also help build trust and ensure smoother project delivery.

What is the difference between Freelance Plc Ladder Logic Programming vs PLC Technician?

AspectFreelance Plc Ladder Logic ProgrammingPLC Technician
CredentialsTypically requires PLC programming certifications and technical trainingRequires PLC certifications, technical diploma, or associate degree
Work EnvironmentOften remote or contract-based, working on specific projectsOn-site in industrial or manufacturing facilities
Employer & IndustryClients across various industries, including automation and manufacturingManufacturing plants, automation companies, industrial facilities
Work FocusDesigning, programming, and troubleshooting PLC ladder logicMaintaining, repairing, and troubleshooting PLC systems

Freelance Plc Ladder Logic Programmers focus on creating and optimizing PLC programs for diverse clients, often working remotely. In contrast, PLC Technicians primarily perform on-site maintenance and troubleshooting of PLC systems. Both roles require similar certifications but differ in work environment and daily tasks.

What cities near Waterloo, IL are hiring for Freelance Plc Ladder Logic Programming jobs?

Cities near Waterloo, IL with the most Freelance Plc Ladder Logic Programming job openings:

Maintenance Technician

Snelling Talent Partners

Kirkwood, MO • On-site

$40.62 - $42.62/hr

Other

Posted 5 days ago


Key responsibilities

  • Install, rebuild, maintain, and troubleshoot equipment controls, including PLCs, PCs, and custom controllers.

  • Program and troubleshoot electronic control circuits used on production equipment.

  • Troubleshoot and repair electrical, pneumatic, hydraulic, mechanical, and programmable control systems.


Job description

ob description

Maintenance Technician – 1st, 2nd & 3rd Shifts

Pay: $40.62/hour + Shift Differential

Job Type: Full-Time

Schedule: Multiple Shifts Available

Compensation & Shifts

  • 1st Shift: Monday–Friday, 6:30 AM–2:30 PM — $40.62/hour
  • 2nd Shift: Monday–Friday, 2:30 PM–10:30 PM — $42.62/hour ($2.00 shift differential)
  • 3rd Shift: Sunday–Thursday, 10:30 PM–6:30 AM — $43.12/hour ($2.50 shift differential)

Position Summary

We are seeking an experienced Maintenance Technician with strong electrical, controls, PLC, CNC, hydraulic, and mechanical troubleshooting skills. This is a highly technical industrial maintenance position responsible for maintaining, troubleshooting, rebuilding, and repairing production equipment, control systems, and facility equipment.

The ideal candidate will have hands-on experience with PLC programming and troubleshooting, CNC equipment diagnostics, electrical controls, hydraulics, pneumatics, and mechanical systems.

Key Responsibilities

  • Install, rebuild, maintain, and troubleshoot equipment controls, including PLCs, PCs, and custom controllers.
  • Program and troubleshoot electronic control circuits used on production equipment.
  • Troubleshoot components including servos, encoders, relays, light curtains, proximity sensors, switches, optical readers, power supplies, and I/O systems.
  • Interpret, write, and troubleshoot PLC ladder logic programs and associated electrical circuits.
  • Perform advanced diagnostics on CNC equipment, including servo motors, servo valves, controller I/O, and encoders.
  • Troubleshoot and repair electrical, pneumatic, hydraulic, mechanical, and programmable control systems.
  • Read, interpret, and create electrical circuit drawings and blueprints.
  • Troubleshoot and repair PC and network-based equipment.
  • Build and rebuild production equipment, control panels, wiring, and safety systems.
  • Complete mechanical, plumbing, electrical, and carpentry projects as needed.
  • Perform preventive and corrective maintenance on plant equipment and facility systems.
  • Track equipment repair costs and assist with materials lists for maintenance projects.
  • Perform welding and brazing for equipment building and repair.

Qualifications

  • Associate degree or higher in Electronics, PC Technology, Industrial Technology, or a related technical field with emphasis on PLCs, controls, hydraulics, or mechanical systems preferred.
  • 5+ years of on-the-job controls experience may be considered in place of a degree when additional requirements are met.
  • Strong experience with PLC ladder logic programming and troubleshooting.
  • Ability to diagnose complex electrical and electronic control systems.
  • Experience troubleshooting CNC machinery and controls.
  • Knowledge of hydraulic, pneumatic, electrical, and mechanical systems.
  • Ability to build and wire control panels and troubleshoot electrical circuits.
  • Ability to read and interpret blueprints, schematics, and circuit drawings.
  • Ability to use standard hand tools and most tool room machinery.
  • Welding and brazing ability preferred.
  • Must be able to successfully complete forklift operation training and required vision examination.

Ideal Candidate

This position is best suited for an experienced industrial maintenance professional who is comfortable troubleshooting complex production equipment and working independently to identify the root cause of electrical, controls, PLC, CNC, hydraulic, pneumatic, and mechanical problems.

Apply today if you have strong industrial maintenance and controls experience and are looking for a well-paying, full-time Maintenance Technician opportunity with multiple shifts available.