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Machine Assistant Jobs in Fontana, CA (NOW HIRING)

Entry Level Asst Machine Oper (P) - Corona, CA

Corona, CA ยท On-site

$25.42/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

General Information Posting Job Title Entry Level Asst Machine Oper Locations CA Corona Container Employment Type Full Time Date Posted 30-Jul-2026 Description & Requirements Smurfit Westrock (NYSE:

Machine Operator Assistant

Rancho Cucamonga, CA ยท On-site

$19 - $20/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Machine Operator Assistant We are not just a box company. Premier Packaging is a fast-growing, forward-thinking provider for all packaging needs. From corrugated, warehouse solutions, design ...

Machine Operator Assistant

Rancho Cucamonga, CA ยท On-site

$19 - $20/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Machine Operator Assistant We are not just a box company. Premier Packaging is a fast-growing, forward-thinking provider for all packaging needs. From corrugated, warehouse solutions, design ...

Machine Operator

Chino, CA ยท On-site

$18/hr

Identify and escalate mechanical or operational issues to maintenance or supervisors. * Assist with ... Prior experience as a machine operator in a food manufacturing or similar environment preferred.

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Machine Operator

City Of Industry, CA ยท On-site

$16.50 - $20/hr

  • Medical

  • Retirement

  • PTO

The Machine Operator maintains operations in the production of customer product to be shipped. The ... Retrieve material from the warehouse as needed. * Assist with loading trucks with materials and ...

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Machine Operator

City Of Industry, CA ยท On-site

$16.50 - $20/hr

  • Medical

  • Retirement

  • PTO

The Machine Operator maintains operations in the production of customer product to be shipped. The ... Retrieve material from the warehouse as needed. * Assist with loading trucks with materials and ...

Machine Operator

Jurupa Valley, CA ยท On-site

$17.25 - $20.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Operate Machinery to assist in the production process * Produce material at a productive rate. * Performs general manual labor tasks including loading, unloading, lifting and moving materials.

Machine Operator

Jurupa Valley, CA ยท On-site

$17.25 - $20.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Operate Machinery to assist in the production process * Produce material at a productive rate. * Performs general manual labor tasks including loading, unloading, lifting and moving materials.

Machine Operator

Jurupa Valley, CA ยท On-site

$17.25 - $20.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Operate Machinery to assist in the production process * Produce material at a productive rate. * Performs general manual labor tasks including loading, unloading, lifting and moving materials.

Machine Operator

Perris, CA ยท On-site

$17.25 - $20.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

AWG seeks a Machine Operator to report to the Cutting Manager. The MO will come in with excellent ... Report to work on time and ready to assist with warehouse activities. * Comply with company ...

Machine Operator

Perris, CA ยท On-site

$17.25 - $20.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

AWG seeks a Machine Operator to report to the Cutting Manager. The MO will come in with excellent ... Report to work on time and ready to assist with warehouse activities. * Comply with company ...

Machine Operator

San Bernardino, CA ยท On-site

$18 - $20/hr

Job Summary The Machine Operator - Collator/Packer is responsible for operating and maintaining ... Maintain a clean and safe work environment General Duties * Assist other operators as required * Be ...

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Machine Operator - Entry Level

Pomona, CA ยท On-site

$18/hr

  • Medical

  • Dental

  • Vision

Machine Operator I, Entry Level Location: Pomona, CA Job Type: Full-Time, Non-Exempt Shift: 2nd ... Report unsafe conditions and product-quality issues immediately. * Assist in other production areas ...

Encapsulation Machine Operator

Brea, CA ยท On-site

$17/hr

  • Medical

  • Dental

  • Vision

  • Life

Encapsulation Machine Operator (Entry Level). Basic As an Encapsulation Machine Operator, you will ... You may be required to assist with other various tasks that may include other processes ...

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The Receiving & Machine Operator will be responsible for receiving incoming materials, inspecting ... Follow safety and quality standards at all times * Assist with general shop duties and equipment ...

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The Receiving & Machine Operator will be responsible for receiving incoming materials, inspecting ... Follow safety and quality standards at all times * Assist with general shop duties and equipment ...

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Machine Assistant information

See Fontana, CA salary details

$13

$18

$23

How much do machine assistant jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for machine assistant in Fontana, CA is $18.35, according to ZipRecruiter salary data. Most workers in this role earn between $16.63 and $19.57 per hour, depending on experience, location, and employer.

What is a machine assistant?

Machine assistants are workers who help operate, maintain, and monitor machinery in various industries, such as manufacturing, packaging, or construction. They typically assist machine operators by preparing materials, loading and unloading machines, performing routine maintenance, and ensuring equipment runs smoothly. Machine assistants play a key role in supporting efficient production processes and workplace safety. Their responsibilities may vary depending on the industry and the type of machinery they work with.

What is the difference between Machine Assistant vs Machine Operator?

AspectMachine AssistantMachine Operator
Required CertificationsBasic technical training, safety certificationsMore advanced certifications, specialized training
Work EnvironmentAssists in machine setup and maintenance, often in manufacturing or production settingsOperates machinery directly, monitors performance, and adjusts controls
Employer & Industry UsageCommon in manufacturing, assembly lines, and production facilitiesPrimarily in manufacturing, construction, and industrial plants

While both roles support manufacturing processes, a Machine Assistant typically assists with setup, maintenance, and support tasks, whereas a Machine Operator directly controls and manages machinery during operation. The roles differ mainly in responsibility level and required certifications, with Machine Operators generally needing more specialized training.

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

To thrive as a Machine Assistant, you need basic mechanical aptitude, attention to detail, and a high school diploma or equivalent. Familiarity with industrial machinery, safety protocols, and possibly certifications such as OSHA training are commonly required. Reliability, teamwork, and strong communication skills help you efficiently support machine operators and maintain a safe work environment. These skills ensure smooth production processes, reduce downtime, and uphold workplace safety standards.

What are some common challenges faced by machine assistants when supporting production machinery, and how can these be managed?

Machine Assistants often encounter challenges such as troubleshooting minor mechanical issues, maintaining consistent production speed, and ensuring safety protocols are strictly followed. Adapting to rapidly changing production schedules and learning to operate different types of machinery can also be demanding. These challenges can be managed by proactively communicating with supervisors, following maintenance schedules, and seeking training opportunities to become more familiar with various equipment. Team collaboration and attention to detail are key to effectively overcoming daily obstacles in this role.

What are the most commonly searched types of Machine jobs in Fontana, CA?

The most popular types of Machine jobs in Fontana, CA are:

What cities near Fontana, CA are hiring for Machine Assistant jobs?

Cities near Fontana, CA with the most Machine Assistant job openings:

Infographic showing various Machine Assistant job openings in Fontana, CA as of August 2026, with employment types broken down into 1% As Needed, 72% Full Time, 24% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $38,175 per year, or $18.4 per hour.

Entry Level Asst Machine Oper (P) - Corona, CA

Westrock

Corona, CA โ€ข On-site

$25.42/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 8 days ago


Job description

General Information
Posting Job Title
Entry Level Asst Machine Oper
Locations
CA Corona Container
Employment Type
Full Time
Date Posted
30-Jul-2026
Description & Requirements
Smurfit Westrock (NYSE:SW) is the go-to leader and partner of choice in sustainable packaging. We are dedicated to creating efficient and scalable paper and packaging solutions to help solve complex packaging challenges. Guided by our values of safety, loyalty, integrity and respect, we are committed to delivering meaningful value for shareholders, customers, employees and the communities where we operate.
Corona, CA
Entry Level Assistant Machine Operator
Beginning pay: $25.42
We are seeking Entry Level Machine Operators at our Corona, CA-Facility. You will be responsible for different phases of the production process and for efficiently producing high-quality product. Responsibilities for your role will also include performing quality assurance checks during the production process and managing the upkeep of the of the machines.
Primary duties include safely performing a wide range of tasks that include stacking corrugated products, conducting quality checks, material set-up, and maintaining a clean and organized workspace. The ideal candidate will have a strong commitment to working safe, demonstrated ability to work in a fast-paced environment, a strong desire to learn manufacturing processes and operating complex machinery and have a desire to advance within the company
Essential Duties and Responsibilities:
โ€ข Ability to operate various manufacturing equipment, follow specific direction, operate power hand tools, and other duties as assigned.
โ€ข Maintain a clean work environment.
โ€ข Ability to read a tape measure and have basic math and computer skills.
โ€ข Ability to work safely and comply with all safety regulations.
โ€ข Ability to lift, push or pull 50lbs, navigate stairs, stand, walk, bend, and kneel throughout the entire shift.
โ€ข REQUIRED to work daily OVERTIME, weekend work and various shifts depending on your position.
Experience/Educational Requirements:
โ€ข High school diploma or equivalent
โ€ข M-F 5am - 5pm and 5pm-5am, Required OVERTIME, weekend work and various shifts depending on your position
โ€ข A minimum of 3 years of full-time or part-time employment or schooling (or combination) within the last 4 years
What we offer:
โ€ข Corporate culture based on integrity, respect, accountability and excellence
โ€ข Comprehensive training with numerous learning and development opportunities
โ€ข An attractive salary reflecting skills, competencies and potential
โ€ข A career with a global packaging company where Sustainability, Safety and Inclusion are business drivers and foundational elements of the daily work
Our comprehensive benefits package includes health, dental, vision, retirement, an employee assistance program, paid holidays, and vacation.
A career with a global packaging company where Sustainability, Safety and Inclusion are business drivers and foundational elements of the daily work.
The pay for this position range for this position is $25.42 an hour, depending on your role, level, and location. The benefits for this role may include short-term bonus incentive, health, dental and vision insurance, flexible spending accounts or health savings accounts, retirement savings plans, life and disability insurance programs, and paid sick leave as required by applicable state/local law, vacation pay as follows: 5 days of vacation 0-1 year (prorated), and 10 days of paid holidays, subject to annual change. Your actual pay will be based on your work location and other factors, such as your skills, experience, and education. To learn more about the specific salary range for your preferred location, please contact your recruiter during the hiring process. You may apply online at www.westrock.com/company/careers and the application window is expected to close by 7/4/2026.
Candidates are required to undergo a drug screening after receiving a conditional job offer, but before starting employment.
Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status or other characteristics protected by state or federal law.