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Mill Jobs in California (NOW HIRING)

Mill Machinist

Monrovia, CA · On-site

$25 - $30/hr

Essential Functions: · Perform CNC mill new and repeat set-ups and operate CNC mill 3 axis machines according to process sheets with minimal supervision or assistance. · Edit, send, or retrieve CNC ...

Mill Utility (24931)

Coalinga, CA · On-site

$16.90 - $18.50/hr

The Roller Mill Operator is responsible for running grain processing equipment including grain receiving pits, elevators, conveyor augers, steam controls, mill rolls, peg-feeder motors and more.

Mill Manager Location: Lucerne Valley, CA Compensation: $130k - $150k annually based on experience, additional incentive bonus What We Offer: * Competitive pay, commensurate with experience * Health ...

Mill Manager Location: Lucerne Valley, CA Compensation: $130k - $150k annually based on experience, additional incentive bonus What We Offer: * Competitive pay, commensurate with experience * Health ...

Mill Manager

Lucerne Valley, CA · On-site

$130K - $150K/yr

Mill Manager Location: Lucerne Valley, CA Compensation: $130k - $150k annually based on experience, additional incentive bonus What We Offer: * Competitive pay, commensurate with experience * Health ...

Mill Man / Operator

Escondido, CA · On-site

$22 - $28/hr

The mill man is responsible for milling all production components. They are responsible for operating and maintaining CNC equipment. They are to assist in milling custom components, lumber, molding ...

The mill man is responsible for milling all production components. They are responsible for operating and maintaining CNC equipment. They are to assist in milling custom components, lumber, molding ...

Mill Machinist We are seeking a skilled Mill Machinist experienced in operating CNC machines with Fanuc controls. You will work primarily with 316L Stainless Steel metal alloy using 3-axis CNC mill ...

New

Summary A Mill Operator is responsible for operating and maintaining machinery that grinds materials into powders or particles. The Mill Operator sets up the machinery, monitors the production ...

Summary A Mill Operator is responsible for operating and maintaining machinery that grinds materials into powders or particles. The Mill Operator sets up the machinery, monitors the production ...

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Showing results 1-20

Mill information

See California salary details

$13

$19

$25

How much do mill jobs pay per hour?

As of Aug 9, 2026, the average hourly pay for mill in California is $19.61, according to ZipRecruiter salary data. Most workers in this role earn between $17.07 and $22.07 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a mill operator?

To thrive as a Mill Operator, you need mechanical aptitude, basic math skills, and a high school diploma or equivalent. Familiarity with milling machinery, safety protocols, and possibly certifications like OSHA training are commonly required. Attention to detail, problem-solving abilities, and effective communication are important soft skills for this role. These skills and qualities ensure efficient production, safe operation of equipment, and minimal downtime in manufacturing environments.

What are some common challenges faced by mill operators and how can they be addressed?

Mill operators often encounter challenges such as maintaining consistent product quality, managing equipment malfunctions, and ensuring workplace safety. To address these, operators regularly monitor machinery, perform preventive maintenance, and follow established safety protocols. Staying organized and communicating effectively with team members and maintenance staff can help quickly resolve issues and minimize downtime. Continuous training and familiarization with new technologies also play a crucial role in overcoming these challenges.

What is the difference between Mill vs Machinist?

AspectMillMachinist
Required CredentialsHigh school diploma or equivalent; technical trainingHigh school diploma or equivalent; technical training
Work EnvironmentMachine shops, manufacturing plants, workshopsMachine shops, manufacturing plants, workshops
Industry UsageCommonly used in manufacturing and metalworkingCommonly used in manufacturing and metalworking
Primary TasksOperate milling machines to cut and shape metal partsOperate various machine tools to produce precision parts

While both Mill and Machinist roles involve working with machine tools in manufacturing settings, a Mill specifically refers to operating milling machines to shape metal parts, whereas a Machinist may operate a variety of machines, including mills, lathes, and grinders. The roles often overlap, but the Mill is more specialized in milling operations.

What is a mill?

Mill workers operate machinery in factories that process raw materials such as grain, wood, textiles, or metals. Their responsibilities typically include setting up, running, and monitoring machines, as well as performing routine maintenance and quality checks on the products. Depending on the type of mill, workers may also be involved in packaging finished goods and ensuring safety protocols are followed. Mill workers need attention to detail and often work as part of a team to meet production goals.
What are the most commonly searched types of Mill jobs in California? The most popular types of Mill jobs in California are:
What are popular job titles related to Mill jobs in California? For Mill jobs in California, the most frequently searched job titles are:
What cities in California are hiring for Mill jobs? Cities in California with the most Mill job openings:
Infographic showing various Mill job openings in California as of August 2026, with employment types broken down into 100% Part Time. Highlights an 100% In-person job distribution, with an average salary of $40,787 per year, or $19.6 per hour.

Mill Machinist

Roncelli Plastics

Monrovia, CA • On-site

$25 - $30/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 26 days ago


Job description

Position Summary: Working under the general supervision of the department Lead, setup repeat jobs, and operates the Computer Numerical Control (CNC) 3 axis mill machines to fabricate plastic and non-metallic parts according to strict customer and quality specifications.

 This position will utilize confidential information, Confidentiality Agreement is strictly enforced.

 Essential Functions:

·         Perform CNC mill new and repeat set-ups and operate CNC mill 3 axis machines according to process sheets with minimal supervision or assistance.

·         Edit, send, or retrieve CNC programs from systems files as required for mill machine set-up and operation.

·         Read and interpret manufacturing paperwork (travelers, blueprints, sketches, etc.) in order to produce products as required by customer specifications and quality standards.

·         Inspect and verify own work prior to submitting to Quality Assurance Department for first article inspection.

·         If part is non-conforming, use non-conforming material procedure.

·         Meet needed quote times and schedule for assigned work.

·         Correctly process required work-related paperwork and Material Requirements Planning (MRP) documents.

·         Communicate regularly with supervisors and other employees regarding any production issues and ways to eliminate possible errors on set-up and/or programming.

·         Perform non-CNC tasks when necessary, such as hand-work operations.

·         Evaluate and update “estimated to actual” cycle times.

·         Make process decisions and utilize the help chain/chain of command when necessary.

·         Challenge processes if needed to create a more efficient production environment.

·         Focus on set-up and run time reduction.

·         Conduct all shop functions in a safe manner.

·         Consistently improve the organization and cleanliness of assigned areas (5’s).

·         Perform other duties as required.

Skills, Knowledge, and Experience:

·         Minimum of 3 years of relevant CNC mill machine experience. Certificate from NTMA or other technical school is a plus.

·         Ability to understand CNC mill programs including formatting and editing programs.

·         Ability to use various inspection tools such as micrometers, calipers, height gages, and comparators.

·         Ability to read and understand blueprints and technical documents.

·         Strong shop math skills including the ability to perform measurement conversion.

·         A genuine belief in continuous improvement and a disciplined process.

·         Organization and time-management skills.

·         Self-starter with the ability to multi-task and prioritize daily work assignments.

·         Excellent verbal and written communication skills.

·         Basic computer knowledge and ability to use various types of manufacturing software programs such as JobBoss.

Physical Demands:

While performing the essential functions of the job, the employee is regularly required to engage in the activities listed below. Reasonable accommodations will be made to enable individuals with disabilities to perform the essential functions.

 ·         Walk and/or move about the workplace.

·         Stand and/or sit for prolonged periods of time.

·         Bend at waist and/or knees.

·         Lift and/or move objects up to 25lbs and occasionally up to 50 lbs from one location to another. Assistance is available for lifting objects over 25lbs.

·         Move arms, wrists, hands, and/or fingers in repetitive motions including keyboarding. 

·         Feel and perceive the attributes of an object, such as its size, shape, color, distance, weight, and/or texture.

·         Express, perceive, and exchange thoughts, questions, and instructions, through both written and oral communication in the English language.

Work Environment:

·         Machine shop environment with exposure to large machinery/equipment.

·         Clean and well-ventilated production areas.

·         Machinery operation requires the use of personal safety equipment to include, but not limited to, safety glasses.

·         Noise levels are moderate.

Company Description

Roncelli Plastics, an industry pioneer since 1969, as a thermoplastics and composites manufacturer headquartered in Monrovia, California. We fabricate critical parts for Commercial Space and Aerospace, Medical and Life Science, Semiconductor and Oil and Gas. Trusted by the world’s most notable brands for our leading edge technology, innovative operations, technical expertise and knowledgeable partnership.