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Freelance Plc Hmi Programmer Jobs (NOW HIRING)

Shermco Industries, Inc.

Remote PLC Sales Engineer

$100K - $155K/yr

You will specify the necessary PLC platforms, HMI hardware, and software required to deliver a comprehensive, turnkey solution-encompassing Engineering, Control Panels, Desktop HMI, Programming ...

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How much do freelance plc hmi programmer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for freelance plc hmi programmer in the United States is $80,664.00, according to ZipRecruiter salary data. Most workers in this role earn between $68,000.00 and $92,500.00 per year, depending on experience, location, and employer.

What are common challenges faced by freelance PLC HMI programmers when working with multiple clients?

Freelance PLC HMI programmers often encounter challenges such as managing different client expectations, adapting to various industrial standards and hardware platforms, and ensuring clear communication despite remote or off-site work. Each project may require familiarity with unique software environments and legacy systems, which demands flexibility and quick learning. Additionally, freelancers must effectively prioritize tasks and maintain thorough documentation to ensure smooth project delivery and future troubleshooting.

What skills and qualifications are needed to thrive as a freelance PLC HMI programmer?

To thrive as a Freelance PLC HMI Programmer, you need expertise in industrial automation, strong programming skills in PLC languages (like ladder logic), and a solid understanding of control systems, often backed by engineering or technical certifications. Familiarity with PLC software (such as Siemens, Allen Bradley, or Schneider), HMI/SCADA platforms, and relevant industry standards is crucial. Excellent problem-solving, communication, and project management skills help you collaborate with clients and adapt to diverse industrial environments. These capabilities ensure reliable automation solutions, client satisfaction, and successful project delivery in complex manufacturing settings.

What is a freelance PLC HMI programmer?

Freelance PLC HMI Programmers are professionals who work independently to design, develop, and troubleshoot control systems that use Programmable Logic Controllers (PLCs) and Human-Machine Interfaces (HMIs). They are typically contracted by manufacturing, automation, or industrial companies to create or modify automation processes, ensuring efficient and reliable operations. Their work involves programming PLCs, configuring HMI screens, integrating equipment, and sometimes providing on-site support or remote troubleshooting. Freelancers in this field usually have strong backgrounds in electrical engineering, automation, or related disciplines.

What is the difference between Freelance Plc Hmi Programmer vs Automation Technician?

AspectFreelance Plc Hmi ProgrammerAutomation Technician
CredentialsTechnical certifications in PLC/HMI programming, relevant software skillsTechnical diploma or associate degree in automation or electrical technology
Work EnvironmentProject-based, remote or on-site, client-specificOn-site industrial or manufacturing facilities
Industry UsageUsed across manufacturing, process control, and automation projectsPrimarily in maintenance, troubleshooting, and system setup

Freelance Plc Hmi Programmers focus on designing and programming PLC and HMI systems for various clients, often working independently. Automation Technicians handle installation, maintenance, and troubleshooting of automation equipment on-site. While both roles require technical certifications and industry knowledge, Freelance Plc Hmi Programmers typically work on specific projects remotely, whereas Automation Technicians are more hands-on in industrial environments.

More about Freelance Plc Hmi Programmer jobs
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Freelance Plc Hmi Programmer jobs near you
Infographic showing various Freelance Plc Hmi Programmer job openings in the United States as of August 2026, with employment types broken down into 93% Full Time, 2% Part Time, 2% Contract, and 3% Nights. Highlights an 95% Physical, 1% Hybrid, and 4% Remote job distribution, with an average salary of $80,664 per year, or $38.8 per hour.

Instrument Controls Technician -PLC/HMI

THATCHER GROUP INC

Salt Lake City, UT • On-site

$33 - $37/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 26 days ago

Thatcher Company rating

4.9

Company rating: 4.9 out of 10

Based on 8 frontline employees who took The Breakroom Quiz

98th of 100 rated chemical manufacturers

Job description

Make a meaningful difference: At Thatcher Chemical facilities across the nation, our manufacturing teams create the essential chemistries, processes, and solutions that support clean water, safe environments, reliable infrastructure, and critical industries. From production and quality to logistics and distribution, your precision, dedication, and commitment to continuous improvement help transform raw materials and innovative science into real-world solutions. Your purpose-driven work plays a vital role in protecting public health, supporting communities, and shaping a safer, more sustainable future.
Instrument & Electrical Technician
We are seeking a detail-oriented Instrumentation and Controls Technician to join our team. This role involves assisting senior engineers with the installation, calibration, and maintenance of SCADA, HMI, and PLC systems. The ideal candidate will possess strong technical skills in industrial automation and control systems, as well as a commitment to safety and precision.
Primary Responsibilities
  1. Assist senior engineers with the installation, configuration, and commissioning of instrumentation and control systems, including sensors, transmitters, valves, actuators, PLCs, and HMIs.
  2. Support the setup and calibration of PLC and HMI systems under the guidance of a senior engineer.
  3. Perform basic programming tasks and modifications to PLC and HMI systems as directed.
  4. Aid in the implementation and maintenance of SCADA systems for real-time monitoring and control.
  5. Assist with troubleshooting and diagnostics for instrumentation, controls, and network infrastructure.
  6. Perform preventive maintenance and calibration of instrumentation equipment.
  7. Follow all safety protocols and adhere to regulatory standards during installations and maintenance.

Secondary Responsibilities
  1. Assist in maintaining plant equipment to ensure optimal performance.
  2. Perform IO terminations, labeling, and basic wiring tasks.
  3. Provide support for process data dashboard development.
  4. Collaborate with contractors and other departments as needed.
  5. Participate in equipment installations under the supervision of senior staff.
    Required Qualifications
  6. Associate of Applied Science (AAS) degree or 3-5 years of experience in industrial automation.
  7. Familiarity with PLC ladder logic and function block programming.
  8. Knowledge of industrial communication protocols (e.g., Modbus RTU, Modbus TCP, OPCUA).
  9. Proficiency in Microsoft Office (Word, Excel, PowerPoint).
  10. Strong communication and teamwork skills.
  11. Willingness to adapt to evolving technology and learn on the job.

Desired Qualifications
  1. Knowledge of Ethernet IP, Profinet, EtherCAT.
  2. Familiarity with PLC/DCS manufacturers and IEC 61113-3 programming languages.
  3. Strong analytical and problem-solving abilities.
    Why Thatcher is right for you

100% company-funded Profit Sharing Plan (up to 25% of salary annually)
401 (k) with traditional and Roth contribution options
Comprehensive benefits: medical, dental, vision, life insurance, short- and long-term disability, HSA/FSA,
3+ weeks of PTO, and paid holidays
Education reimbursement and ongoing professional development
The pay for the successful candidate will depend on various factors (e.g., qualifications, education, prior experience). Applications will be accepted while this position is posted on our Careers website. Thatcher is an Equal Opportunity/Affirmative Action employer, including protected Veterans and individuals with disabilities.

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