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Assistant Plant Operator Jobs in Indiana (NOW HIRING)

Franciscan Health

Plant Operator I

Michigan City, IN · On-site

Schedule: Monday - Friday, 7am - 3:30pm * Assist in the temporary shutdown of the physical plant ... Plant Operator Certificate or equivalent preferred * Operator Apprenticeship preferred TRAVEL IS ...

Lewis Bakeries

Assistant Plant Engineer

Vincennes, IN · On-site

The Assistant Plant Engineer is also accountable for execution of preventative maintenance ... Lewis Bakeries is a family owned and operated company that was started by three brothers in 1925 in ...

Lewis Bakeries

Assistant Plant Engineer

Fort Wayne, IN · On-site

The Assistant Plant Engineer is also accountable for execution of preventative maintenance ... Lewis Bakeries is a family owned and operated company that was started by three brothers in 1925 in ...

State of Indiana

Steam Plant Operator

Logansport, IN

$42K/yr

... * Assist in training new employees regarding duties in Steam Plant. * In case of coal boilers ... Thorough knowledge of operating standards to ensure safe, efficient Steam Plant operations.

Conagra Brands

Assistant Plant Breeder

Brookston, IN

$26.97/hr

Assistant Plant Breeder (Popcorn) Location: Brookston, IN Job Summary: Reporting to the Popcorn ... Document work processes and standard operating procedures. * Support popcorn evaluation activities ...

State of Indiana

Steam Plant Operator

Logansport, IN · On-site

$42K/yr

... * Assist in training new employees regarding duties in Steam Plant. * In case of coal boilers ... Thorough knowledge of operating standards to ensure safe, efficient Steam Plant operations.

Ingevity

Plant Operator - Marion

Marion, IN

The Paint Operator is responsible for efficient production operations in one or more of the ... Follow directions given by the lead or manager. * Assist with maintaining a clean and orderly work ...

Cargill

Grain Plant Operator

Tipton, IN

New, easy-to-apply options are available for this role: chat with our recruiting assistant Ana at ... Basic maintenance and operator care of equipment to ensure ongoing facility operations * Providing ...

Cargill

Grain Plant Operator

Tipton, IN

New, easy-to-apply options are available for this role: chat with our recruiting assistant Ana at ... Basic maintenance and operator care of equipment to ensure ongoing facility operations * Providing ...

Ingevity

Plant Operator - Marion

Marion, IN · On-site

The Paint Operator is responsible for efficient production operations in one or more of the ... Follow directions given by the lead or manager. * Assist with maintaining a clean and orderly work ...

Kuert Concrete

Plant Assistant

New Carlisle, IN · On-site

... operator, and yard attendant. Carry out supervisory responsibilities in accordance with Irving Materials, Inc. policies and applicable laws. Key Responsibilities: * Back-up to Plant Manager in their ...

Cargill

Grain Plant Operator

Tipton, IN · On-site

New, easy-to-apply options are available for this role: chat with our recruiting assistant Ana at ... Basic maintenance and operator care of equipment to ensure ongoing facility operations * Providing ...

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All JobsPlant Operator JobsAssistant Plant Operator JobsAssistant Plant Operator Jobs in Indiana

Assistant Plant Operator information

See Indiana salary details

$13

$21

$37

How much do assistant plant operator jobs pay per hour?

As of Aug 14, 2026, the average hourly pay for assistant plant operator in Indiana is $21.28, according to ZipRecruiter salary data. Most workers in this role earn between $15.58 and $24.04 per hour, depending on experience, location, and employer.

What is the difference between Assistant Plant Operator vs Plant Operator?

AspectAssistant Plant OperatorPlant Operator
CertificationsTypically requires a high school diploma and basic technical trainingRequires additional certifications or licenses, such as a state-specific operator license
Work EnvironmentAssists in plant operations, often working under supervision in industrial or power plant settingsManages daily plant operations independently, overseeing equipment and safety protocols
ResponsibilitiesSupports plant activities, performs routine maintenance, monitors equipmentOperates and controls plant machinery, ensures safety and efficiency, troubleshooting

The Assistant Plant Operator typically supports and assists the Plant Operator in daily tasks, requiring basic certifications and working under supervision. The Plant Operator holds more responsibility, managing plant operations independently with advanced certifications. Both roles are essential in industrial and power plant environments, but the Plant Operator has a higher level of responsibility and technical expertise.

What are some common challenges assistant plant operators face during shift work, and how can they effectively manage them?

Assistant Plant Operators often work in rotating shifts, which can be physically and mentally demanding due to irregular hours and the need for constant vigilance. Managing fatigue, staying alert during night shifts, and maintaining clear communication with team members are common challenges. To effectively manage these, it's important to establish consistent sleep routines, stay hydrated, and use established handover protocols to ensure seamless operations between shifts. Building strong teamwork skills and being proactive in identifying and addressing equipment issues also contribute to success in this role.

What are the key skills and qualifications needed to thrive as an assistant plant operator?

To thrive as an Assistant Plant Operator, you need a solid understanding of mechanical systems, basic process operations, and often a high school diploma or technical certification. Familiarity with control systems, SCADA software, and safety protocols is typically required on the job. Attention to detail, strong teamwork, and effective communication are important soft skills for this role. These abilities ensure the safe, efficient, and reliable operation of plant equipment in a team-oriented environment.

What is an assistant plant operator?

Assistant plant operators are entry-level professionals who support the day-to-day operations of industrial plants such as power stations, water treatment facilities, or manufacturing plants. They work under the supervision of senior operators to monitor equipment, perform routine maintenance, and ensure safety procedures are followed. Their responsibilities also include recording data, troubleshooting minor issues, and assisting in emergency situations to maintain efficient and safe plant operations.

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

The most popular types of Plant Operator jobs in Indiana are:

Assistant Plant Operator jobs near you
Infographic showing various Assistant Plant Operator job openings in Indiana as of August 2026, with employment types broken down into 1% As Needed, 76% Full Time, 20% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $44,267 per year, or $21.3 per hour.

Plant Operator

Martin Marietta Materials

Indianapolis, IN • On-site

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Martin Marietta Materials rating

7.2

Company rating: 7.2 out of 10

Based on 132 frontline employees who took The Breakroom Quiz

352nd of 539 rated manufacturers

Job description

Martin Mariettais currently looking for a motivated individual to join our rock solid Indiana Recycling Team. This position is responsible for operating a variety of equipment and help with plant maintenance, production and equipment operation.
Essential Functions
  • Assist in plant operations including production, quality control, loading, and shipping
  • Shovel work, sweeping, lifting, cleaning, and acting as a spotter
  • Uses a variety of tools and clean-up equipment to support production operations such as removal of material on and from beneath the plant
  • Assists Plant Operators, and Equipment Operators, with general duties as requested
  • Must be willing to cross-train in all plant areas
  • Learn to operate plant-specific mobile equipment
  • Perform daily pre/post-shift inspections on equipment and maintain maintenance log
  • Maintain good housekeeping in areas of responsibility
  • Other duties as assigned
Physical Demands
While performing the duties of this job, the employee is occasionally required to stand; walk; sit; use hands to finger, handle, or feel objects, tools or controls; reach with hands and arms; climb stairs; balance; stoop, kneel, crouch or crawl; talk or hear; and taste or smell. The employee must occasionally lift or move up to 50 pounds. Specific vision abilities required by the job include close vision, distance vision, color vision, peripheral vision, depth perception and the ability to adjust focus.
Position Type/Expected Hours of Work
This is a full-time position that may require long hours and weekend work.
Required Education and Experience
  • High School degree
  • 1+ year related experience
  • Valid driver's license
Additional Eligibility Qualifications
  • Heavy Equipment Operations
  • Welding/Maintenance experience
Other Duties
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.
Employment Type: Full-Time

What Martin Marietta Materials employees say

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Hours and flexibility

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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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