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Freelance Plc Ladder Logic Programming Jobs in Waterloo, IL

Sparrow Company LLC

Automation Engineer

Saint Louis, MO · On-site

$98K - $120K/yr

Proven experience in PLC Logic and programming, as well as in HMI systems and related hardware/software * Ability to operate data acquisition/analysis systems and software Applicants may be subject ...

Sparrow Company LLC

Automation Engineer

Saint Louis, MO · On-site

... PLC Logic and programming, as well as in HMI systems and related hardware/software • Ability to operate data acquisition/analysis systems and software Applicants may be subject to a background ...

NCW

St. Louis - Automation Controls Engineer

Saint Louis, MO · On-site

$81K - $107K/yr

... logic based on process narratives. * Lead programming, testing, and commissioning activities for projects of varying complexity. * Develop and maintain PLC/HMI standards, objects, and reusable ...

SunCoke Energy

Maintenance Electrician

Granite City, IL · On-site

$26.75 - $34.25/hr

C and D.C. electrical principles, high voltage, ladder logic, PLC and basic industrial electronics. Interprets and analyzes electrical blueprints, schematic and wiring diagrams. Lines up power ...

SunCoke Energy

Maintenance Electrician

Granite City, IL · On-site

$26.75 - $34.25/hr

C. electrical principles, high voltage, ladder logic, PLC and basic industrial electronics. Interprets and analyzes electrical blueprints, schematic and wiring diagrams. Lines up power distribution ...

CBRE

Automation Engineer

Sauget, IL · On-site

... programming. 2+ years of experience with Programmable Logic Controls (PLC) programs. 2+ years of experience with robotics system components and controls. 2+ years of experience with SCADA systems.

BeLeaf Medical

Pre-Roll Supervisor

Saint Louis, MO · On-site

... of PLC-controlled systems, HMI alarms, and basic ladder logic to support troubleshooting alongside maintenance and controls teams. ▪ Safely perform tag-in/tag-out (LOTO) procedures in accordance ...

BeLeaf Medical

Pre-Roll Supervisor

Saint Louis, MO · On-site

$26/hr

... of PLC-controlled systems, HMI alarms, and basic ladder logic to support troubleshooting alongside maintenance and controls teams. • Safely perform tag-in/tag-out (LOTO) procedures in accordance ...

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Showing results 21-40

All JobsPlc Ladder Logic Programming JobsFreelance Plc Ladder Logic Programming JobsFreelance Plc Ladder Logic Programming Jobs in Waterloo, IL

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:

Freelance Plc Ladder Logic Programming jobs near you

Automation Engineer

Sparrow Company LLC

Saint Louis, MO • On-site

$98K - $120K/yr

Full-time

Re-posted 24 days ago

Job description

Responsibilities

• Design and develop control systems and software programs. Implement and optimize automation processes. Maintain and troubleshoot control systems and machinery.

• Understand, maintain and troubleshoot Siemens control systems, including PLC/PC controllers and industrial networks such as Ethernet, ControlNet, DeviceNet, Profibus, Profinet, motor control systems, frequency drives, and electrical distribution systems.

• Write and troubleshoot programs in the HMI and Siemens PLC’s and make changes in logic and process controls within a cement manufacturing environment.

• Preventative/predictive maintenance of the control system, by focusing on optimization and reliability of equipment.

• Develop and implement maintenance schedule for all system hardware/software.

• Maintain detailed records of repairs and modifications to control logic.

• Maintain the plant computer network and servers.

• Work with other departments on plant automation and process optimization.

• Establish and maintain communication with suppliers, contractors and engineering firms as well as technical people within the plant and company.

• Be on call on a rotating basis to cover plant needs.

• Work on special projects assigned by the Maintenance or Production Manager

• Relieve the CEMs Technician in times of absence.

• Function well in a team environment

• Proficiency in AutoCAD is a plus, to update drawings as needed.

Qualifications

• B.S. degree in Electrical Engineering, Automation engineering or related technical field required

• 3 years of experience in the electrical or process control environment

• Preferable cement process knowledge

• Candidate should have strong HMI, PLC and instrumentation background

• Strong process controls and electrical skills with emphasis on process optimization

• Competency in reading and interpreting electrical diagrams and P&ID drawings

• Proven experience in PLC Logic and programming, as well as in HMI systems and related hardware/software

• Ability to operate data acquisition/analysis systems and software


Applicants may be subject to a background check and pre-employment drug screen.*

*A conviction does not automatically disqualify you from employment. We will consider factors such as your age at the time, the timing and nature of the offense, its seriousness, and any rehabilitation efforts when determining your suitability for the role.

Sparrow Company Executive Search & Staffing is an Equal Opportunity Employer.