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Process Operator Jobs in Ontario, CA (NOW HIRING)

SIFCO Industries

Process Repair Operator

Orange, CA · On-site

$18/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

... tolerances by operating various hand power and pneumatic tools. ESSENTIAL DUTIES AND ... If you need assistance with the application process due to a disability, please email Applications ...

LEE KUM KEE

Processing Operator (11:00am - 7:30pm)

La Puente, CA · On-site

$18 - $19/hr

  • Medical

  • Dental

  • Life

  • Retirement

  • PTO

Transfer raw materials between warehouse storage area and processing area using forklift or pallet jets. * Operate machines to dump or pump materials into mixing tanks and mixing. * Clean up and move ...

Connect Staffing

Machine Operator (Wire)

Mira Loma, CA · On-site

$19.66/hr

  • Medical

  • Dental

  • Retirement

Tag and prepare completed material for the next process and complete work order sign-off. * Perform ... Experience operating straight & cut, coil-to-bar, or similar wire processing machinery. * Ability ...

Connect Staffing

Machine Operator (Wire)

Mira Loma, CA · On-site

$19.66/hr

  • Medical

  • Dental

  • Retirement

Tag and prepare completed material for the next process and complete work order sign-off. * Perform ... Experience operating straight & cut, coil-to-bar, or similar wire processing machinery. * Ability ...

Connect Staffing

Production Furnace Operator

Mira Loma, CA · On-site

$19.66/hr

  • Medical

  • Dental

  • Retirement

... manufacturing process, loading and unloading wire and production materials and maintaining ... Previous experience operating a furnace, heat treat equipment, kiln, or annealing equipment.

Ambrit Engineering

Process Technician

Santa Ana, CA

$28 - $34/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Support production teams and operators during shift * Troubleshoot molding defects and equipment issues * Ensure presses run to approved process sheets and quality standards * Work closely with ...

Connect Staffing

Production Furnace Operator

Mira Loma, CA · On-site

$19.66/hr

  • Medical

  • Dental

  • Retirement

... manufacturing process, loading and unloading wire and production materials and maintaining ... Previous experience operating a furnace, heat treat equipment, kiln, or annealing equipment.

Ambrit Engineering - USA

Process Technician

Santa Ana, CA · On-site

$28 - $34/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Support production teams and operators during shift * Troubleshoot molding defects and equipment issues * Ensure presses run to approved process sheets and quality standards * Work closely with ...

Eichleay, Inc

Process Engineers

Orange, CA · On-site

Develop and review operating philosophies, control narratives, and process descriptions supporting I&C integration. * Support scope development and create technical specifications for process systems ...

Kelly Services

Process Technician

Baldwin Park, CA

$35 - $38/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Train operators, packaging personnel, and junior team members on processes and procedures. * Collaborate with Engineering, Quality, Tooling, Validation, and Production teams to meet project ...

GAF

Process Engineer II

Fontana, CA · On-site

$80K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Process Engineer is also responsible for ensuring process specifications and associated ... Standardize Manufacturing JSA's, Standard operating procedures (SOPs) and work instructions to ...

GAF - ELK Materials Corporation

Process Engineer II

Fontana, CA · On-site

$80K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Process Engineer is also responsible for ensuring process specifications and associated ... Standardize Manufacturing JSA's, Standard operating procedures (SOPs) and work instructions to ...

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Showing results 21-40

All JobsProcess Operator JobsProcess Operator Jobs in Ontario, CA

Process Operator information

See Ontario, CA salary details

$14

$21

$31

How much do process operator jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for process operator in Ontario, CA is $21.51, according to ZipRecruiter salary data. Most workers in this role earn between $18.61 and $23.46 per hour, depending on experience, location, and employer.

What is a process operator?

Process Operators are professionals responsible for managing and overseeing the machinery and systems that produce goods in industries such as manufacturing, chemical processing, and oil and gas. Their duties include monitoring equipment, adjusting controls to maintain quality and safety, and troubleshooting any issues that arise during production. They play a critical role in ensuring production runs smoothly, efficiently, and safely, often working as part of a larger operations team. Process Operators must adhere to strict safety protocols and may be required to document production data or perform routine maintenance.

What does a process operator do?

A process operator is a skilled industrial professional who works as part of a team, or individually, to manage a safe and effective production process within a manufacturing plant, facility, or refinery. Process operators are charged with monitoring the equipment, machinery, and instruments within the facility and troubleshooting when issues arise. As a process operator, it is important to inspect equipment and maintain records of all updates, repairs, and replacements.

What are the key skills and qualifications needed to thrive as a process operator, and why are they important?

To thrive as a Process Operator, you need a solid understanding of industrial processes, safety protocols, and typically a high school diploma or relevant technical certification. Familiarity with control systems like DCS/SCADA, equipment maintenance, and safety certifications such as OSHA are commonly required. Attention to detail, problem-solving, and effective teamwork are crucial soft skills in this role. These abilities ensure efficient, safe, and reliable operation of machinery, minimizing risks and maximizing productivity in industrial settings.

What are some common challenges faced by process operators during shift work, and how can they be managed?

Process Operators often work in rotating shifts to ensure continuous plant operation, which can present challenges such as adjusting to changing sleep schedules and managing fatigue. To address these issues, operators are encouraged to maintain healthy sleep habits, communicate openly with team members about workload distribution, and utilize scheduled breaks effectively. Many facilities also offer training on shift work management and provide support resources to help employees adapt, ensuring both safety and productivity are maintained.

What is the difference between Process Operator vs Maintenance Technician?

AspectProcess OperatorMaintenance Technician
CredentialsHigh school diploma or equivalent; technical certifications often preferredHigh school diploma or equivalent; technical certifications or trade licenses often required
Work EnvironmentFactories, plants, or industrial facilities operating machinery and equipmentIndustrial or manufacturing settings focusing on equipment repair and maintenance
Job FocusMonitoring, controlling, and optimizing production processesMaintaining, repairing, and troubleshooting machinery and equipment

While both roles work in industrial environments, Process Operators focus on running and controlling production processes, whereas Maintenance Technicians specialize in repairing and maintaining equipment. Understanding these differences helps job seekers find the right career path in manufacturing and industrial sectors.

How much do process operators earn?

Process operators typically earn a median annual salary of around $50,000 to $70,000, depending on experience, location, and industry. Entry-level positions may start lower, while experienced operators with certifications can earn higher wages, especially in facilities with shift work or hazardous environments.

Is it hard to be a process operator?

Being a process operator involves monitoring and controlling industrial equipment, which requires attention to detail, technical skills, and adherence to safety protocols. The job can be physically demanding and often involves shift work, but with proper training and certifications, it is manageable for many individuals.
More about Process Operator jobs

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What job categories do people searching Process Operator jobs in Ontario, CA look for?

The top searched job categories for Process Operator jobs in Ontario, CA are:

What cities near Ontario, CA are hiring for Process Operator jobs?

Cities near Ontario, CA with the most Process Operator job openings:

Process Operator jobs near you
Infographic showing various Process Operator job openings in Ontario, CA as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 17% Part Time, 3% Contract, and 1% Nights. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $44,751 per year, or $21.5 per hour.

Process Repair Operator

SIFCO Industries

Orange, CA • On-site

$18/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 17 days ago

Job description

Remove excess material, burrs, nicks and dings from machined and/or forged parts to within specified tolerances by operating various hand power and pneumatic tools.
ESSENTIAL DUTIES AND RESPONSIBILITIES include the following. Other duties may be assigned.
  • Reads and interprets written work order instructions, specifications, drawings, and blueprints to determine appropriate tool requirements to perform deburr operations.
  • Using grinders, routers and held hand grinding tools to remove sharp edges and excess material from machined and/or forged parts, to within the required tolerances as given on work order instructions, specifications and blue print.
  • Uses forklift, pallet jack and material handling equipment to transport parts within the department and/or to the next Operation.
  • References work orders to verify correct quantities of parts are received, deburred, and subsequently forwarded to the next operation.
  • Uses a variety of precision measuring instruments and tools to inspect deburr work performed, ensuring proper tolerances are maintained.
  • Sets up, operates, and performs daily preventive maintenance of all machinery and equipment used in the department.
  • Meets established standards for productivity and quality. Confers with supervisor when problems arise which impact expected level of performance.
  • Responsible for supporting and ensuring compliance to ISO 9002/AS9100 Quality Management Systems.
  • Must contribute to a positive work environment.
  • Performs any task required to support customer requirement and company goals.
  • Supports and maintains Quality Policy and 5 "S" standard.

QUALIFICATIONS
Ability to read and interpret documents such as safety rules, operating and maintenance instructions, work orders, specifications, drawings, blueprints, and procedure manuals.
Ability to set up and operate all machinery and equipment used in the department.
Ability to drive forklift, pallet jack and material handling equipment.
Ability to add and subtract.
Ability to carry out instructions furnished in written, oral, or diagram form.
PHYSICAL DEMANDS
  • Must be able to sit or stand for at least 8 hours a day.
  • The employee is regularly required to use hands to finger, handle, or feel and reach with hands and arms.
  • The employee must frequently lift and/or move up to 25 pounds, and occasionally lift and/or move up to 50 pounds.
  • Specific vision abilities required by this job include close vision, depth perception, and ability to adjust focus.
  • Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

We believe a workforce with diverse backgrounds, skills and experiences helps us reach our goals and realize our full potential. We may have different ways of approaching problems, but we solve them together with a focus on our Core Values of Integrity, Responsiveness, Respect and Passion.
SIFCO has a competitive compensation and benefits package, including medical, dental, vision, life insurance, disability, flexible spending accounts, supplemental insurance, and a 401(k) plan with a generous match.
If you need assistance with the application process due to a disability, please email Applications@sifco.com.

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