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Plant Operator Jobs in Missouri (NOW HIRING)

Martin Marietta

Plant Operator

Huntsville, MO

$23 - $26/hr

This position will also serve as a back-up to Plant Operator I by controlling plant equipment and operations in a full-automated/computer-operated rock crushing plant. Key Duties and Responsibilities:

Martin Marietta

Plant Operator

Auxvasse, MO

This position will also serve as a back-up to Plant Operator I by controlling plant equipment and operations in a full-automated/computer-operated rock crushing plant. Key Duties and Responsibilities:

Martin Marietta

Plant Operator

Huntsville, MO · On-site

This position will also serve as a back-up to Plant Operator I by controlling plant equipment and operations in a full-automated/computer-operated rock crushing plant. Key Duties and Responsibilities:

Martin Marietta Materials

Plant Operator

Huntsville, MO

$23 - $26/hr

This position will also serve as a back-up to Plant Operator I by controlling plant equipment and operations in a full-automated/computer-operated rock crushing plant. Key Duties and Responsibilities:

Martin Marietta

Plant Operator

Auxvasse, MO

$23 - $26/hr

This position will also serve as a back-up to Plant Operator I by controlling plant equipment and operations in a full-automated/computer-operated rock crushing plant. Key Duties and Responsibilities:

Martin Marietta Materials

Plant Operator

Auxvasse, MO · On-site

$23 - $26/hr

This position will also serve as a back-up to Plant Operator I by controlling plant equipment and operations in a full-automated/computer-operated rock crushing plant. Key Duties and Responsibilities:

Martin Marietta

Plant Operator

Huntsville, MO · On-site

$23 - $26/hr

This position will also serve as a back-up to Plant Operator I by controlling plant equipment and operations in a full-automated/computer-operated rock crushing plant. Key Duties and Responsibilities:

Martin Marietta

Plant Operator

Auxvasse, MO · On-site

$23 - $26/hr

This position will also serve as a back-up to Plant Operator I by controlling plant equipment and operations in a full-automated/computer-operated rock crushing plant. Key Duties and Responsibilities:

City of Springfield, MO

Plant Operator II

Springfield, MO · On-site

$39K - $66K/yr

Qualifications and Requirements Plant Operator II Experience, Education, and Training * Two years of college or vo-tech training in wastewater technology, chemical or biological sciences or a related ...

Central Stone

Plant Operator/Maintenance

Hannibal, MO · On-site

Plant Operator/Maintenance Candidate Requirements: * Safety-Focused * Strong mechanical aptitude * Experience operating heavy equipment * Ability to perform rigorous physical activities in all ...

University of Missouri

Steam Plant Operator I

Columbia, MO · On-site

$22 - $25/hr

Steam Plant Operator I Nature and Level of Work: Under direct supervision, train for and perform tasks in the operation of the potable water system, steam production equipment, fuel and ash handling ...

CRH

Plant Operator

Randolph, MO · On-site

Plant Operator AMAT Randolph, Missouri, United States Job ID: 527238 Holliday Sand & Gravel Company, a CRH company, is one of the leading sand and gravel producers throughout Kansas, Missouri, and ...

Rangen Group

Plant Operator

Saint Joseph, MO · On-site

$21 - $24/hr

The primary role of the Plant Operator is to assist in producing livestock and/or aqua feed products, as well as to ensure quality control, maintenance, and facility cleanliness in daily activities.

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Plant Operator information

See Missouri salary details

$12

$20

$37

How much do plant operator jobs pay per hour?

As of Aug 15, 2026, the average hourly pay for plant operator in Missouri is $20.98, according to ZipRecruiter salary data. Most workers in this role earn between $15.34 and $23.65 per hour, depending on experience, location, and employer.

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

To thrive as a Plant Operator, you need a solid understanding of mechanical systems, process control, and safety protocols, often supported by a high school diploma or technical certification. Familiarity with control panels, SCADA systems, and maintenance tools is typically required. Attention to detail, problem-solving abilities, and effective communication are crucial soft skills for ensuring smooth operations and responding quickly to issues. These skills are vital for maintaining operational efficiency, safety, and compliance in industrial plant environments.

What are some common challenges faced by plant operators, and how can they be effectively managed?

Plant Operators often encounter challenges such as unexpected equipment malfunctions, maintaining safety protocols, and adapting to variable production demands. Managing these challenges typically involves staying vigilant during routine inspections, promptly reporting and addressing anomalies, and collaborating closely with maintenance teams. Continuous training on updated safety procedures and clear communication with supervisors and co-workers are also crucial for effective problem-solving and ensuring smooth plant operations.

What is a plant operator?

Plant operators are professionals responsible for controlling and overseeing industrial machinery and equipment in facilities such as power plants, water treatment plants, or manufacturing sites. Their main duties include monitoring systems, maintaining equipment, troubleshooting issues, and ensuring that operations run smoothly and safely. Plant operators must follow strict safety protocols, respond to emergencies, and perform routine inspections to keep the plant functioning efficiently. They often work in shifts and may be required to handle complex technical systems. This role typically requires technical training and a strong attention to detail.

What is the difference between Plant Operator vs Equipment Operator?

AspectPlant OperatorEquipment Operator
CredentialsTypically requires a certification or license specific to plant operationsOften requires a commercial driver's license (CDL) or equipment-specific training
Work EnvironmentOperates machinery within industrial plants, power plants, or manufacturing facilitiesOperates heavy machinery outdoors, such as bulldozers, cranes, or forklifts
Industry UsageCommon in energy, manufacturing, and utility industriesCommon in construction, mining, and logistics industries

While both roles involve operating machinery, Plant Operators focus on managing and controlling plant systems within industrial facilities, often requiring specialized certifications. Equipment Operators typically handle heavy machinery outdoors, with a focus on construction or transportation tasks. Understanding these differences helps job seekers target the right roles based on their skills and certifications.

What does a plant operator do?

A plant operator oversees the day-to-day operations of an industrial plant. As a plant operator, you operate different types of machinery and equipment from a control room. You might specialize in a specific type of machinery and work on one part of the process, or you might be a generalist who works on different machines in all parts of the process. Plant operators work in many industries such as the oil and gas industry, manufacturing, utilities and power plants.

What is the work of a plant operator?

A plant operator is responsible for controlling and monitoring machinery and equipment in industrial plants such as power plants, water treatment facilities, or manufacturing plants. They operate control panels, perform routine inspections, and ensure safety and efficiency of operations, often requiring technical skills and certifications. Their work environment can be demanding and may involve shift work to maintain continuous operations.

How much do plant operators make?

Plant operators in Florida typically earn an average annual salary of around $45,000 to $60,000, depending on experience, certifications, and the industry sector. Skilled operators with certifications such as OSHA or EPA may earn higher wages, especially in industrial or power plant environments.
More about Plant Operator jobs

What are the most commonly searched types of Plant Operator jobs in Missouri?

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For Plant Operator jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Plant Operator jobs in Missouri look for?

The top searched job categories for Plant Operator jobs in Missouri are:

What cities in Missouri are hiring for Plant Operator jobs?

Cities in Missouri with the most Plant Operator job openings:

What are popular job titles related to Plant Operator jobs in MO?

For Plant Operator jobs in MO, the most frequently searched job titles are:

Plant Operator jobs near you
Infographic showing various Plant Operator job openings in Missouri as of August 2026, with employment types broken down into 54% Full Time, 44% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $43,637 per year, or $21 per hour.

Plant Operator

Martin Marietta

Huntsville, MO

$23 - $26/hr

Full-time

Re-posted 9 days ago

Martin Marietta Materials rating

7.2

Company rating: 7.2 out of 10

Based on 132 frontline employees who took The Breakroom Quiz

353rd of 540 rated manufacturers

Job description

Hours: 6:30am -5pm Monday - Friday

Pay: $23-$26 an hour 

JOB SUMMARY

Martin Marietta is currently looking for a Plant Operator for surface operations at our Huntsville Quarry in Huntsville, MO. This position is responsible for assisting with plant clean-up and providing support for surface crushing operations. This position will also serve as a back-up to Plant Operator I by controlling plant equipment and operations in a full-automated/computer-operated rock crushing plant.

Key Duties and Responsibilities:

  • Participate in safety programs and trainings, promoting Martin Marietta’s Guardian Angel culture
  • Operate skid steer to facilitate plant clean-up
  • Train and provide back-up for Plant Operator I
  • Inspect equipment for signs of wear
  • Monitoring processes, materials and surroundings
  • Tend to equipment such as conveyors to move materials through production processes
  • Perform basic maintenance on heavy mobile equipment
  • Operate haul truck to assist with plant operations
  • Work in a team environment
  • Clean work areas
  • Proper wear of personal protective equipment
  • Notify supervisors of repairs needed
  • Manage multiple tasks and prioritize production need

QUALIFICATIONS

Required Education and Experience:

  • High school diploma, GED or equivalent
  • 1+ years of related experience
  • Valid US driver’s license
  • Heavy equipment operations or military experience preferred
  • MS Office and other computer skills preferred

Skills:

  • Ability to work with minimal supervision
  • Knowledge of MSHA regulations
  • Effective written and verbal communication
  • Knowledge of machines and tools including their design, use and maintenance

Physical Abilities

  • Ability to work in an outdoor environment year-round
  • Ability to work in elevated areas
  • General physical activities include climbing stairs and ladders, lifting, pushing, pulling, stooping, reach with hands and arms, and handling material

ADDITIONAL INFORMATION

Disclaimer:

In addition to the primary responsibilities outlined, the successful candidate may be expected to take on other tasks and assignments as required, including but not limited to duties outside the typical scope of the role to support overall team operations and organizational needs. Flexibility and adaptability to evolving job demands are essential.

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About Martin Marietta

Sourced by ZipRecruiter

Martin Marietta is an American-based company and a leading supplier of building materials - including aggregates, cement, ready mixed concrete and asphalt.

Industry

Coal, metals and minerals mining

Company size

10,000+ Employees

Headquarters location

Raleigh, NC, US

Year founded

1994

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