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Freelance Plc Hmi Programmer Jobs in Riverside, CA

Controls Technician II

Corona, CA · On-site

$32.50 - $40/hr

Knowledge of programmable logic controllers (PLCs) preferred. Ability to read electrical schematic, wiring diagrams, and PLC ladder and block logic. Ability to load programs or configure PLC's, HMI ...

Maintenance Electrician

Fontana, CA · On-site

$28 - $32/hr

Ability to upload and download PLC/HMI programs a plus, not a must. 4. Five years experience with ... Programmable logic controllers: 5 years (Preferred) * Manufacturing Electrical: 5 years (Required ...

Controls Technician

Fontana, CA · On-site

$30.50 - $40.25/hr

Diagnoses PLC/HMI/drive issues at the I/O and device level; isolates faults using schematics, P&IDs ... Partners with production, engineering, quality, and EHS to ensure safe work practices (e.g ...

Diagnoses PLC/HMI/drive issues at the I/O and device level; isolates faults using schematics, P&IDs ... Partners with production, engineering, quality, and EHS to ensure safe work practices (e.g ...

Senior Automation and Controls Engineer

Irvine, CA · Hybrid

$111K - $145K/yr

Programming, testing, and commissioning of SCADA systems which includes some, if not all of the ... PLC packages (Rockwell Studio 5000 and Schneider Electric Unity), HMI packages (GE iFix, Rockwell ...

Senior Automation and Controls Engineer

Irvine, CA · On-site

$111K - $145K/yr

PLC packages (Rockwell Studio 5000 and Schneider Electric Unity), HMI packages (GE iFix, Rockwell ... Professional engineering (PE) license. • 7 years of related experience. Equivalent additional ...

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Freelance Plc Hmi Programmer information

See Riverside, CA salary details

$42.3K

$84.2K

$116.8K

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

As of Aug 11, 2026, the average yearly pay for freelance plc hmi programmer in Riverside, CA is $84,154.00, according to ZipRecruiter salary data. Most workers in this role earn between $70,900.00 and $96,500.00 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.

What cities near Riverside, CA are hiring for Freelance Plc Hmi Programmer jobs? Cities near Riverside, CA with the most Freelance Plc Hmi Programmer job openings:

PLC Programmer - Automation Controls

Applied Medical

Rancho Santa Margarita, CA

$85K - $135K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 9 days ago


Applied Medical rating

8.0

Company rating: 8.0 out of 10

Based on 23 frontline employees who took The Breakroom Quiz


Job description

Applied Medical is a new-generation medical device company with a proven business model and commitment to innovation fueled by rapid business growth and expansion. Our company has been developing and manufacturing advanced surgical technologies for over 35 years and has earneda strong reputationfor excellence in the healthcare field. Our unique business model, combined with our dedication to delivering the highest quality products, enables team members to contribute to a larger capacity than is possible in typical positions. 


Position Description

Are you ready to be at the forefront of revolutionizing medical device manufacturing? As a Controls Engineer within our Automation team, you'll be working on-site at our global headquarters, pioneering cutting-edge machines, collaborating across departments, and leading the way in cost reduction while optimizing manufacturing processes. It's your chance to make an enduring impact on the future of healthcare.  

Key Responsibilities: 

  • Design and implement electrical and pneumatic control systems, including schematics, component selection, and panel layouts, to support scalable and high-performance automation solutions.
  • Develop, test, and maintain Programmable Logic Controllers (PLC) and Human Machine Interface (HMI) software to ensure intuitive, reliable, and compliant machine control interfaces.
  • Integrate robotics, motion control, sensors, and safety systems into cohesive automation platforms that meet production and regulatory requirements.
  • Collaborate with cross-functional teams to troubleshoot equipment issues, reduce downtime, and drive continuous improvement initiatives.
  • Translate user and stakeholder requirements into clear technical specifications that guide system architecture and development.
  • Lead root cause analysis and corrective actions for automation failures, ensuring rapid resolution and long-term reliability.
  • Author and maintain detailed documentation, including software design specifications, maintenance procedures, and validation protocols, to support regulatory compliance and knowledge sharing.
What Success Looks Like in This Role
  • Automation systems are delivered on time, within budget, and meet all performance and compliance requirements.
  • PLC and HMI programs are robust, user-friendly, and minimize operator errors.
  • Robotics and control systems operate seamlessly, reducing cycle times and improving production efficiency.
  • Equipment downtime is minimized through proactive troubleshooting and continuous improvement initiatives.
  • Documentation is clear, comprehensive, and supports smooth audits and knowledge transfer.
  • Stakeholders view you as a trusted technical partner who drives innovation and cost reduction in manufacturing processes.

Position Requirements
  • Work onsite in a collaborative team environment.
  • Bachelor’s degree in Electrical, Mechanical, or Computer Engineering, or equivalent experience.
  • Experience designing and programming PLCs, HMIs, and control systems.
  • Strong understanding of electrical and pneumatic systems, safety standards, and wiring practices.
  • Hands-on experience with robotics, motion control, vision systems, and system integration.
  • Ability to write clear technical documentation and communicate effectively.
  • Willingness to learn and grow in a dynamic environment.

Preferred
  • Experience with safety PLCs and machine safety systems.
  • Familiarity with industrial sensors, pneumatics, and motion control components.
  • Ability to collaborate with vendors and cross-functional teams.
  • Strong analytical and problem-solving skills.
  • Experience in regulated manufacturing environments.

If you are excited about making a significant impact, driving innovation, and contributing to a dynamic team, we encourage you to apply and embark on an exciting journey of engineering excellence at Applied Medical. Our unique business model empowers our team members to have a substantial impact, unlike conventional roles. 


Benefits
  • Competitive compensation range: $85000 - $135000 / year (California).
  • Comprehensive benefits package.
  • Training and mentorship opportunities.
  • On-campus wellness activities.
  • Education reimbursement program.
  • 401(k) program with discretionary employer match.
  • Generous vacation accrual and paid holiday schedule.

Please note that the compensation range may be adjusted in the future, and bonus and incentive compensation plans may apply.

Our total reward package reflects our commitment to employee growth and well-being, as we invest in your development and offer a range of benefits designed to enhance your career and life.

All compensation and benefits are subject to plan documents and written agreements.

Equal Opportunity Employer

Applied Medical is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, disability (mental and physical), exercising the right to family care and medical leave, gender, gender expression, gender identity, genetic information, marital status, medical condition, military or veteran status, national origin, political affiliation, race, religious creed, sex (including pregnancy, childbirth, breastfeeding and related medical conditions), or sexual orientation, or any other status protected by federal, state or local laws in the locations where Applied Medical operates.

Qualifications:
  • Work onsite in a collaborative team environment.
  • Bachelor’s degree in Electrical, Mechanical, or Computer Engineering, or equivalent experience.
  • Experience designing and programming PLCs, HMIs, and control systems.
  • Strong understanding of electrical and pneumatic systems, safety standards, and wiring practices.
  • Hands-on experience with robotics, motion control, vision systems, and system integration.
  • Ability to write clear technical documentation and communicate effectively.
  • Willingness to learn and grow in a dynamic environment.
Education:UNAVAILABLEEmployment Type: FULL_TIME

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