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Mill Operator Jobs in Colorado (NOW HIRING)

Mill Rock Packaging

Press Operator III (55928)

Aurora, CO · On-site

$27 - $34/hr

Mill Rock Packaging (MRP), a quickly growing U.S.- based packaging company and a market leader in ... As a Press Operator in the Press Department, you will be responsible for supporting the Operations ...

W3Global Inc.

CNC Mill Machinist

Longmont, CO

$25 - $30/hr

Specifically, you will be operating an FMC system with several Okuma milling centers. Requirements ... CNC Mill (3-4 axis VMC) (Mazak, Haas, Okuma, Brother, Dmg Mori Seiki) * Manufacturing Execution ...

Hirsh Precision

CNC Mill Machinist

Frederick, CO · On-site

$23 - $28/hr

Specifically, you will be operating an FMC system with several Okuma milling centers. We are hiring for First and Second shifts. Requirements * Ability to comprehend and follow blueprints and ...

Mill Brothers

Landscape Designer/Sales

Timnath, CO · On-site

Mill Brothers Landscape Group is a family-owned business with over 45 years of experience in ... Apply and demonstrate standard operating procedures and policies of the company * Positive attitude ...

Freeport-McMoRan, Inc.

Mill Diagnostic Electrician

CO · On-site

$1.4K/mo

We have operated in Colorado for more than 100 years, with mining and milling operations near ... Proper audit of Mill site * Preventative maintenance (either electrical or instrumentation)

Freeport McMoRan

Mill Diagnostic Electrician

CO · On-site

$1.4K/mo

We have operated in Colorado for more than 100 years, with mining and milling operations near ... Proper testing of PPE Proper audit of Mill site Preventative maintenance (either electrical or ...

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All JobsMill Operator JobsMill Operator Jobs in Colorado

Mill Operator information

See Colorado salary details

$14

$21

$29

How much do mill operator jobs pay per hour?

As of Sep 1, 2026, the average hourly pay for mill operator in Colorado is $21.40, according to ZipRecruiter salary data. Most workers in this role earn between $17.69 and $23.27 per hour, depending on experience, location, and employer.

What does a mill operator do?

The job duties of a mill operator include working to operate and maintain a milling machine. Depending on the industry, your job duties in this career could consist of running a saw, bore, or another piece of milling equipment. In nearly all mill operator positions, you must read blueprints or CAD designs to set your milling machine correctly before you load the materials. You also have cleaning responsibilities, and you must remove and recycle salvageable materials left over after the milling process.

What does a mill operator do?

A Mill Operator is responsible for operating and maintaining milling machines that process raw materials such as metals, minerals, or grains. They monitor equipment, adjust machine settings, and ensure products meet specific quality standards. Mill Operators also troubleshoot issues, perform routine maintenance, and follow safety protocols to prevent accidents. Their work is essential in industries like mining, manufacturing, and food production.

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

To thrive as a Mill Operator, you need a solid understanding of machinery operation, mechanical aptitude, and basic math skills, often backed by a high school diploma or equivalent. Familiarity with industrial control systems, safety protocols, and maintenance tools is essential, and some positions may require forklift certification. Attention to detail, problem-solving abilities, and strong communication skills help operators manage equipment efficiently and address issues promptly. These skills are crucial for maintaining production quality, ensuring safety, and minimizing downtime in manufacturing environments.

What are some typical challenges mill operators face, and how can they be addressed on the job?

Mill Operators often encounter challenges such as equipment malfunctions, material inconsistencies, and maintaining safety standards in a fast-paced environment. Proactively conducting routine inspections, following strict safety protocols, and communicating effectively with maintenance and quality control teams can help address these issues. Additionally, staying updated with operational procedures and participating in ongoing training can improve efficiency and reduce downtime. Collaboration and attention to detail are key to overcoming common obstacles in this role.

What is the difference between Mill Operator vs Machine Operator?

AspectMill OperatorMachine Operator
CredentialsHigh school diploma or equivalent; technical training often preferredHigh school diploma or equivalent; technical training may be required
Work EnvironmentFactories, manufacturing plants, processing facilitiesFactories, manufacturing plants, production lines
Industry UsageHeavy industry, mineral processing, cement, paper millsManufacturing, packaging, assembly lines
Job FocusOperating and controlling mills to process raw materialsOperating machinery to produce goods or components

Both Mill Operators and Machine Operators work in manufacturing environments, often requiring similar skills and certifications. However, Mill Operators typically focus on operating mills for processing raw materials, while Machine Operators handle various machinery for producing finished goods. Understanding these differences helps job seekers find the right role in the manufacturing industry.

What is a mill operator's job?

A mill operator is responsible for operating and monitoring machinery in a manufacturing or processing plant, such as a grain mill or metal mill. They set up equipment, ensure safety protocols, and maintain production efficiency, often using control panels and tools. The role requires attention to detail, technical skills, and adherence to safety standards.
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Mill Operator jobs near you
Infographic showing various Mill Operator job openings in Colorado as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $44,507 per year, or $21.4 per hour.

Press Operator III (55928)

Mill Rock Packaging

Aurora, CO • On-site

$27 - $34/hr

Full-time

Life, Retirement, PTO

Re-posted 7 days ago

Job description

Get to know us.
Mill Rock Packaging (MRP), a quickly growing U.S.- based packaging company and a market leader in the design, engineering and production of high-end, sustainable, and customized graphic paperboard, folding carton and commercial printing products. MRP serves customers in various industries including consumer staples, food and beverage, technology, pharmaceuticals, health, beauty and more. Check us out at www.millrockpackaging.com!
MRP is searching for passionate and agile Press Operator who is a problem-solver and excited by challenges and the opportunity to build something great with us. As a Press Operator in the Press Department, you will be responsible for supporting the Operations Team by setting up and operating a lithographic offset press, achieving a high-quality product in a timely manner
What's in it for YOU?
  • Safety and people-first and team-oriented culture
  • Paid Time Off (PTO): Vacation and sick time plus observed company holidays
  • 401K with Employer Match
  • Company paid long-term disability insurance
  • Life Insurance
  • And more!

Join Our Team and Earn up to $4,500!
We're passionate about retaining top talent, and we're offering an exciting bonus for qualified applicants for this role. Eligible applicants will receive $1,500 after 90 days and $3,000 after 6 months of full-time employment. Apply now and become a part of the MRP team!
Now Offering Relocation: Mill Rock Packaging offers eligible employees up to $5,000 USD in reimbursement for qualified relocation expenses to support their move. Relocation assistance is provided in accordance with the Company's relocation policy and eligibility requirements.
What will you do in this role?
  • Set up the Press machine at the beginning of the shift and perform all related tasks including pulling the job from the schedule, mounting printing plates, installing ink rollers as required.
  • Review job orders to set up or adjust the printing machine.
  • Direct the Press Feeder or Press Assistant on their responsibilities.
  • Perform quality checks in full compliance with all requirements of the quality system.
  • Perform routine maintenance including machine cleaning, roller maintenance (removing, cleaning and reinstalling), and preventative maintenance inspections of press.
  • Communicate with office and production personnel to clarify job information, as required.
  • Prepare press for change of shift or shutdown; performing all related tasks.

What does it take to be successful in this role?
Basic Requirements
  • Lead the press team, on your designated press, with a "can-do" attitude.
  • Possess an ability to work as a team with the Press Assistant and embrace how your job impacts the whole team.
  • Strong attention to detail.
  • Have the ability to accept feedback and use it to grow in your position.
  • Must have basic computer skills or the ability to learn basic skills.
  • Demonstrate some experience with Microsoft Office.
  • Must fulfill the following training and testing requirements: Load Turner Operation (test with passing score required); Motorized Hand Truck Operation (test with passing score required); Press Operation; Quality System Orientation.

Preferred Requirements
Our teammates come from diverse backgrounds that help us innovate new possibilities daily. While the qualifications listed below are preferred, they are not required.
  • Prior experience running a press machine KBA preferred
  • GED or High School Equivalent

The physical requirements and work environment:
Work exclusively in the production area with exposure to elevated noise levels throughout work shift. Pedestrian employees share the production floor with powered industrial trucks (clamp and narrow aisle reach trucks and powered pallet jacks), caution must be exercised. This job requires you to stand and walk the majority of your day. Bending, sitting and squatting are required when fixing certain equipment.
Employees must be open to working any shift.
The above is intended to describe the general content of and the requirements for satisfactory performance in this position. It is not to be construed as an exhaustive statement of the position's duties, responsibilities, or requirements.
Mill Rock Packaging is an equal opportunity employer and does not discriminate based on race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.
Recruiting Agencies: Mill Rock Packaging does not accept unsolicited resumes and will not be responsible for any fees associated with them.

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