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Freelance Plc Ladder Logic Programming Jobs in Riverside, CA

ClarkDietrich

Maintenance Technician

Riverside, CA · On-site

Read, interpret, edit, and create PLC ladder logic * Perform preventive and predictive maintenance ... PLC programming and troubleshooting (Allen-Bradley, Siemens, or similar) * HMI systems and ...

ClarkDietrich

Maintenance Technician

Riverside, CA

Read, interpret, edit, and create PLC ladder logic * Perform preventive and predictive maintenance ... PLC programming and troubleshooting (Allen-Bradley, Siemens, or similar) * HMI systems and ...

Cencora

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 ...

TAE

Controls Engineer - PLC

Foothill Ranch, CA · On-site

$115K - $150K/yr

... Logic Controller (PLC) systems associated with building, cooling, electrical, vacuum and safety systems. * PLC Controller programming using advanced techniques and HMI interfaces * Production ...

Greif

Controls Technician

Fontana, CA

Diagnoses PLC/HMI/drive issues at the I/O and device level; isolates faults using schematics, P&IDs ... ladder logic, and diagnostic tools; implements corrective actions or partners with controls ...

BestPack

Production Engineer

Ontario, CA · On-site

$70K - $90K/yr

Configuration programming of machine controllers * Fabrication of parts per specifications given by ... Familiarity with ladder logic, PLC, and/or Allen Bradley controls * Familiar with basic part ...

Greif, Inc.

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 ... ladder logic, and diagnostic tools; implements corrective actions or partners with controls ...

Cannon Corp

Senior Automation Specialist

Irvine, CA · Hybrid

$92K - $138K/yr

Strong knowledge of PLC systems (Rockwell Automation, Modicon), HMI programming, and SCADA integration. * Proficiency in industrial wiring diagrams, ladder schematics, and logic drawings.

Cannon Corp.

Senior Automation Specialist

Irvine, CA · On-site

$92K - $138K/yr

Strong knowledge of PLC systems (Rockwell Automation, Modicon), HMI programming, and SCADA integration. * Proficiency in industrial wiring diagrams, ladder schematics, and logic drawings.

Vans

Associate, Maintenance Lead

Ontario, CA · On-site

$28.16 - $35.20/hr

Uses a PC proficiently for MSOffice, Notes, and other PC-based applications (e.g., PLC ladder logic diagnostic analysis and program interfacing, building monitoring software, etc). * Maintains a ...

VF Corporation

Associate, Maintenance Lead

Ontario, CA · On-site

$28.16 - $35.20/hr

Uses a PC proficiently for MSOffice, Notes, and other PC-based applications (e.g., PLC ladder logic diagnostic analysis and program interfacing, building monitoring software, etc). * Maintains a ...

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All JobsPlc Ladder Logic Programming JobsFreelance Plc Ladder Logic Programming JobsFreelance Plc Ladder Logic Programming Jobs in Riverside, CA

Freelance Plc Ladder Logic Programming information

See Riverside, CA salary details

$42.3K

$84.2K

$116.8K

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

As of Jul 14, 2026, the average yearly pay for freelance plc ladder logic programming 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 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 are the key skills and qualifications needed to thrive as a Freelance PLC Ladder Logic Programmer, and why are they important?

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 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 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 popular job titles related to Freelance Plc Ladder Logic Programming jobs in Riverside, CA? For Freelance Plc Ladder Logic Programming jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Freelance Plc Ladder Logic Programming jobs in Riverside, CA look for? The top searched job categories for Freelance Plc Ladder Logic Programming jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Freelance Plc Ladder Logic Programming jobs? Cities near Riverside, CA with the most Freelance Plc Ladder Logic Programming job openings:
Freelance Plc Ladder Logic Programming jobs near you
Maintenance Technician

Maintenance Technician

ClarkDietrich

Riverside, CA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 17 days ago

ClarkDietrich rating

7.6

Company rating: 7.6 out of 10

Based on 5 frontline employees who took The Breakroom Quiz

Job description

Do you have a strong work ethic and the desire to join an organization that invests in its people through cross-training and development? ClarkDietrich fosters a work-life balance and offers competitive compensation and benefits. Join the ClarkDietrich team by applying to the Maintenance Technician position at our Riverside, CA location.
SUMMARY
The Maintenance Technician is a multi-trade role responsible for troubleshooting, maintaining, and improving manufacturing equipment across the facility. This position has a primary focus on electrical systems, PLCs, HMIs, drives, and control panels, while also requiring strong mechanical and machining expertise. This role supports electrical, mechanical, pneumatic, hydraulic, and tooling systems to ensure equipment reliability, minimize downtime, and drive continuous improvement in safety, productivity, and quality.
ESSENTIAL DUTIES AND RESPONSIBILITIES
  • Maintain, troubleshoot, and repair electrical systems, PLCs, HMIs, drives, and control panels
  • Diagnose and resolve issues in electrical, mechanical, pneumatic, and hydraulic systems
  • Read, interpret, edit, and create PLC ladder logic
  • Perform preventive and predictive maintenance
  • Install, wire, and commission motors, sensors, VFDs, and control devices
  • Perform mechanical repairs including motors, gearboxes, belts, chains, bearings, and drive systems
  • Troubleshoot and maintain conveyors, presses, and production equipment
  • Read blueprints, electrical schematics, and technical drawings
  • Support automation upgrades and new equipment installations
  • Use machining tools (lathe, mill, grinders, welding) to fabricate/repair components
  • Troubleshoot and maintain safety systems (light curtains, scanners, interlocks)
  • Ensure compliance with NFPA 70E, OSHA, LOTO, and Arc Flash standards
  • Able to communicate with operators and support training
  • Maintain maintenance records and documentation

TECHNICAL SKILLS
  • PLC programming and troubleshooting (Allen-Bradley, Siemens, or similar)
  • HMI systems and automation interfaces
  • Variable Frequency Drives (VFDs)
  • Industrial electrical systems (AC/DC - 480V, 240V, 120V, low-voltage DC)
  • Safety systems (light curtains, safety scanners, interlocks)
  • Troubleshooting and validation of machine safety circuits
  • Use of multimeters, megohm meters, and electrical testers
  • Mechanical troubleshooting (bearings, drives, pneumatics, hydraulics)
  • Machining (lathe, mill, grinders, welding, cutting tools)
  • E-CAD and electrical schematic interpretation/modification

QUALIFICATIONS
  • Demonstrated multi-trade capability (electrical, controls, and mechanical)
  • Strong troubleshooting and problem-solving skills
  • Experience with automated manufacturing equipment
  • Team-oriented with strong communication skills
  • Ability to work in fast-paced environment
  • Strong work ethic and attention to detail

EDUCATION AND/OR EXPERIENCE
  • 5+ years of maintenance experience in manufacturing (required)
  • Technical certification or associate degree preferred
  • Experience with E-CAD and electrical schematics strongly preferred
  • Military or equivalent hands-on experience accepted

WORK ENVIRONMENT
  • Manufacturing environment (heat, cold, noise)
  • PPE required at all times
  • High activity level

EDUCATION AND/OR EXPERIENCE
  • At least 5 years of experience in an environment with high tech machines.
  • Prior manufacturing, maintenance, electrical and mechanical experience preferred.
  • High school/GED or Trade school in machines
  • The military equivalent will be recognized in lieu of education and/or experience.

PHYSICAL REQUIREMENTS
  • Lifting-Up to 50 pounds
  • Standing-8 or more hours per day
  • Walking-Off and on, 4-6 hours per day
  • Body Positions-Sitting, Standing, Walking
  • Grasping-Both hands, up to 8 hours per day
  • Sitting-None
  • Pushing Effort-Occasionally
  • Pulling-Occasionally
  • Climbing-Occasionally
  • Climb up and down stairs-Occasionally
  • Kneeling- Occasionally
  • Stooping- Occasionally
  • Bending-Occasionally
  • Bending-Occasionally

MATHEMATICAL SKILLS
  • Basic mathematical skills, addition, subtraction, multiplication and converting fractions into decimals.
  • Must be able to use and read a tape measure, caliper, and micrometer, dial bore gauge, and various other precision measurement equipment.

CLARKDIETRICH BENEFITS INCLUDE
  • Tiered wage system, where promotions are based on ability
  • Full benefits package (Medical, Dental, Vision, Flexible Spending Accounts and Life Insurance)
  • Monthly Bonus
  • 401(k) with company match
  • Vacation
  • Perfect Attendance Award
  • Tuition Reimbursement
  • Professional Certification Reimbursement Program
  • Community Service Day

What ClarkDietrich employees say

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