1

Freelance Plc Ladder Logic Programming Jobs in Washington, IL

Be Seen First

Process Control Engineer

Peoria, IL · On-site

$100K - $130K/yr

Strong knowledge of DCS (Delta-V) and PLC programs with ladder logic programming and troubleshooting. 2. DIMENSIONS OF JOB (i.e. Sales Turnover; dept. operating budget; material and/or labor costs ...

Controls Engineer

Normal, IL · On-site

$92K - $130K/yr

The Controls Engineer will support the maintenance department by assisting in equipment troubleshooting issues, including PLC ladder logic and data handling functions in Control Logix processors

Strong understanding of digital logic * Clear understanding of PLC scan flow (Inputs → Decisions ... Engineering Degree or equivalent technical qualification

PLC programming with a strong knowledge of ladder logic. * HMI design and programming. * Establish and support updates of controls standards. * Perform debug and buyoff of controls functions and ...

next page

Showing results 1-20

Freelance Plc Ladder Logic Programming information

See Washington, IL salary details

$38.2K

$76.1K

$105.6K

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

As of Sep 6, 2026, the average yearly pay for freelance plc ladder logic programming in Washington, IL is $76,080.00, according to ZipRecruiter salary data. Most workers in this role earn between $64,100.00 and $87,200.00 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 job categories do people searching Freelance Plc Ladder Logic Programming jobs in Washington, IL look for?

The top searched job categories for Freelance Plc Ladder Logic Programming jobs in Washington, IL are:

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

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

Process Control Engineer

Advanced Search Group

Peoria, IL • On-site

$100K - $130K/yr

Full-time

Medical, Dental, Life, Retirement, PTO

Re-posted 7 days ago

Be Seen First

After you apply to this job, you can share why you’re interested to jump to the top of the candidate list.


Job description

Must be a US citizen or have a green card

Our Client a global chemical manufacturer seeks a Process Control Engineer with DCS and PLC programming, ladder logic, and process improvement via controls.

Experience: BS EE, Chem E or related with 5+ years experience from a manufacturing environment

Job Description

1. MAIN PURPOSE (Briefly state the job's overall objective)

Provides day to day support to the Production and Maintenance team to minimize production downtime. Designs, implements, tests automation and control systems for process or manufacturing systems. Strong knowledge of DCS (Delta-V) and PLC programs with ladder logic programming and troubleshooting.

2. DIMENSIONS OF JOB (i.e. Sales Turnover; dept. operating budget; material and/or labor costs; value added; sales responsibility)

  1. Ability to support two manufacturing facilities.
  2. Ensure reliability and proper function of site control systems.
  3. Support and manage outside contractors if needed.

4. COMPLEXITY OF THE JOB (i.e. The occupant manages vendors from different geographical regions with various financial and legal conditions and the level and impact of decisions the occupant needs to make.)

A. Within the Company

Production Management, Supervision, Operators, Administration

B.) Outside the Company

Contractors and Suppliers

6. MAIN RESPONSIBILITIES:

GENERAL

    1. Operate with a focus on safety and environmental compliance.

1. Designing, implementing, and supporting DCS, PLC, HMI, and SCADA software for control systems and equipment

2. Maintain the manufacturing plant's controls systems at “World Class” standards.

3. Install software updates with the latest versions.

4. Participate on project teams and serve at site SME in the development of control/instrumentation systems and specifications. Support factory acceptance testing of new equipment systems.

5. Lead the development and execution of small projects that are electrical/controls in nature. Upgrading of obsolete controls to modern technology.

6. Work with corporate engineering to support the maintenance and improvement of site electrical infrastructure, equipment, and standards as needed.

7. Perform system start-ups and operational checkouts on systems including configuration, wiring, calibration, grounding, and power testing.

8. Reload and reboot PLC to restore faulted equipment after power outages.

9. Perform preventative maintenance and routine inspections, as needed.

10. Provide hardware and software application support assistance to maintenance and production.

11. Setup and configure replacement electronic and controls components to fit specific applications.

12. Working with others in the Operations and Maintenance teams to maintain the plant's process networks.

13. Utilize technical materials such as equipment manuals, SDS, safety materials, system drawings, Process and Instrument Diagrams (P&ID's), schematics, and blueprints to troubleshoot and maintain systems.

14. Update, modify, and continuously improve existing controls systems including ladder logic programs, relay logic, electrical distribution, motor controls, operator interface, hydraulics, and pneumatics distribution and control.

8. EDUCATION

  • Bachelor’s degree in electrical engineering, Computer Engineering, or related engineering field

9. KNOWLEDGE REQUIRED (To perform satisfactorily in this job what types of Ability to read piping and instrumentation diagrams (P&ID)

  • Basic computer skills to include experience with Microsoft Office Suite (Word, Excel, Outlook, etc.)
  • Excellent attention to detail
  • Good organizational and time management skills
  • Basic decision-making and problem-solving skills
  • Must be able to work on feet for at least 8 hours.
  • Any other tasks as requested by Leadership.
  • Ability to support Manufacturing Execution Systems (MES)
  • Ability to address on-call requests as needed.
  • Excellent problem-solving and troubleshooting abilities.
  • Familiarity with communication networks like Ethernet/IP and Modbus
  • Understanding of process instrumentation (sensors, actuators, etc.)
  • Understanding of low-voltage distribution, safety relays, and emergency stop circuits
  • Knowledge of databases and historians for logging machine data
  • Understanding of feedback loops & PID controllers

10. EXPERIENCE REQUIRED (To perform satisfactorily in this job what types of experience is required?)

  • 5-10 years of experience in process control and automation
  • 5-10 years of experience in programming/developing/configuring DeltaV, PLC, HMI, DCS, and SCADA software for control systems
  • Aspen, Allen Bradley, SLC, Control Logix, Bailey, ABB

Company Description

Global Specialty Ingredient Company with a great reputation.