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Assistant Operator Jobs in O Fallon, MO (NOW HIRING)

Silgancontainers

Operator Assistant

Union, MO · On-site

$15.25 - $18/hr

Operator Assistant SUMMARY DESCRIPTION: Packages Work in Process (WIP) and finished product on production lines according to work instructions and/or customer specifications. Reworks nonconforming ...

Rx Systems, Inc.

General Production Worker

Saint Charles, MO · On-site

$14.25 - $17.50/hr

Required to pack on machinery and assist Operator with daily duties. Packs to product specifications, makes up boxes for packing finished product, and labels all boxes as needed, if applicable.

Rx Systems

General Production Worker

Saint Charles, MO · On-site

$14.25 - $17.50/hr

Required to pack on machinery and assist Operator with daily duties. * Packs to product specifications, makes up boxes for packing finished product, and labels all boxes as needed, if applicable.

Rx Systems, Inc.

General Production Worker

Saint Charles, MO · On-site

$14.25 - $17.50/hr

Required to pack on machinery and assist Operator with daily duties. * Packs to product specifications, makes up boxes for packing finished product, and labels all boxes as needed, if applicable.

Westside Personnel Services

Machine Operator

Pacific, MO · On-site

$16.50 - $17.50/hr

Document production data and report any issues to supervisors. * Assist in training new operators on machinery and safety procedures. Qualifications * Strong mechanical aptitude and problem-solving ...

New

Westside Personnel Services

Machine Operator

Pacific, MO · On-site

$16.50 - $17.50/hr

Document production data and report any issues to supervisors. * Assist in training new operators on machinery and safety procedures. Qualifications * Strong mechanical aptitude and problem-solving ...

New

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Assistant Operator information

See O Fallon, MO salary details

$10

$18

$28

How much do assistant operator jobs pay per hour?

As of Aug 26, 2026, the average hourly pay for assistant operator in O Fallon, MO is $18.54, according to ZipRecruiter salary data. Most workers in this role earn between $14.38 and $20.91 per hour, depending on experience, location, and employer.

What is an assistant operator?

Assistant Operators are entry-level professionals who support the operation of machinery or equipment in industries such as manufacturing, energy, or logistics. They work under the supervision of senior operators to help monitor processes, perform basic maintenance, and ensure safety protocols are followed. Their responsibilities may include setting up machines, loading materials, inspecting products, and reporting any issues to supervisors. Assistant Operators play a key role in maintaining efficient production and minimizing downtime. This position is often a stepping stone to more advanced operator roles.

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

To thrive as an Assistant Operator, you need a basic understanding of machinery operation, safety protocols, and often a high school diploma or equivalent. Familiarity with industrial equipment, control panels, and sometimes certifications like OSHA safety training are typically required. Attention to detail, reliability, and good teamwork skills help you excel in supporting smooth operations. These skills ensure safe, efficient production processes and help maintain workplace safety and productivity.

What are some common challenges assistant operators face during shift changes, and how can they be managed effectively?

Assistant Operators often encounter challenges during shift changes, such as incomplete handovers or miscommunication about ongoing tasks. To manage these effectively, it’s important to follow standardized handover procedures, maintain accurate and up-to-date logs, and communicate proactively with both outgoing and incoming team members. Building strong teamwork and attention to detail helps ensure a smooth transition and minimizes operational disruptions.

What is the difference between Assistant Operator vs Machine Operator?

AspectAssistant OperatorMachine Operator
CredentialsHigh school diploma, on-the-job trainingHigh school diploma, technical certification often preferred
Work EnvironmentAssists in setup, monitoring, and maintenance of machineryOperates machinery directly, responsible for production output
Industry UsageCommon in manufacturing, construction, and industrial plantsPrimarily in manufacturing, processing, and production facilities

Assistant Operators support Machine Operators by preparing equipment and monitoring processes, while Machine Operators handle the direct operation of machinery. Both roles require similar credentials and are vital in industrial settings, but Machine Operators have more responsibility for operating equipment independently.

Which assistant operator job pays the most?

The highest-paying assistant operator roles are often found in industries such as oil and gas, manufacturing, or power generation, where specialized skills and certifications like OSHA training or technical licenses are required. Salaries can vary based on experience, location, and industry, with some positions offering significantly higher compensation due to the complexity and risk involved.

What are the most commonly searched types of Operator jobs in O Fallon, MO?

The most popular types of Operator jobs in O Fallon, MO are:

What cities near O Fallon, MO are hiring for Assistant Operator jobs?

Cities near O Fallon, MO with the most Assistant Operator job openings:

Assistant Operator jobs near you

Rail Flaw Detection Vehicle Assistant Operator

Succession Planning for Railroads Investing in the Next Generation LLC

Saint Louis, MO • On-site

Full-time

Medical, Dental, Vision, Retirement

Re-posted 24 days ago

Job description

The Assistant Operator, "On the Road", position which requires extended travel including several months at a time without the possibility to go home and do make every effort to get our teams home whenever possible at a reasonable interval. Operators are considered to be a very important position to hold as he is responsible for the safe operation on rail and on road as well as the preventive, actual and post maintenance or repairs of the RFD vehicle. Operators work very closely and as a Team with the Chief Operator both responsible to minimize downtime and deliver the RFD service according to schedule. Operators represents the company image as much as any other Team members. We expect the team to act professionally and care for the image when servicing customers. Operator is also responsible for any identified safety events or obstacles at all time along with the Chief Operator. Operators attitude, behavior and communication skills must be to the highest standard to create an environment of trust and respect.
Responsibilities
Operator reports directly to the Field Manager. In his absence, will report directly to other Field Manager in place or Manager of UT RFD Services as a last resort. The Operator will follow Chief Operator guidance while in operation.
Operator will assist Chief Operator in marking the rail defects according to set standards;
Will remain well versed with a professional attitude towards colleagues, customers and general public reflecting a positive image for the company;
Shall ensure that all railroad and highway safety as well as operating procedures are maintained and applied to the best of his capacity;
Shall be accountable, professional, drive safety and quality as the number one priority;
Shall be open to changes in the workplace and apply directives according to set standards established;
Adhere and execute instructions in reference books and customer playbooks;
Shall partner with Chief Operator to maintain a high standard of maintenance, including cleanliness and 5S on trucks as much interior as exterior;
Produce all necessary paperwork including but not limited to, e-log reports, maintenance reports, trip reports, fuel reports, etc.
Shall perform Pre and Post-trip maintenance every working day, to include carriage, hyrail and truck. Regularly grease, lube, tighten bolts, replace worn parts under the supervision and directives of the Chief Operator;
Will ensure validity of any IFTA Sticker registration and insurance and reports to Field manager as directed,
Is the overall responsible of the vehicle and its maintenance;
Ensures Logbooks, DOT papers including Timesheets are maintained;
Ensure compliance with all DOT regulations including hours of serviced regulation.
Will coach, train, protect and assist new employees, Operators, in the wanted work environment established;
Maintain controlled expenses as low as possible;
Complete weekly expense reports, timesheets, inventory and general truck condition (repairs needed current and preventive);
Operator understand that truck is to be parked at same lodging location as the Chief Operator every night unless otherwise specified.
Performs other job duties as assigned.
Experience
a. Experience:
Excellent safety record
Knowledge in computer programs, electrical and mechanical is a plus;
Valid driver's license Class A or B with Air Brake endorsement;
Must continuously meet company & DOT Driving Standards
 
b. Special Education:
Excellent written and verbal communication skills with high level of attention to detail
Minimum of a High school diploma or GED. Mechanical, electrical, troubleshooting knowledge preferred.
 
c. Computer and Other Skills:
Microsoft Office skills, including and not limited to Excel, Word, Microsoft Teams, Concur, and more;
Ability to manage cost & adjust where necessary;
 
d. Personal Attributes:
Must be a Team Player and willing to do whatever it takes to make the customer happy in a safe and ethical way;
Capable of driving quality performance;
Ability to develop excellent customer relationships;
High level of maturity;
Punctuality;
Drive safety, accountable, professional image and attitude;
Must be self -motivated;
Integrity;
Adaptable and drives change;
Able to focus on multiple tasks and perform troubleshooting tasks;
Shall have an outgoing, patient and highly respective personality;
General Requirements
Extended travel capability
Punctual
Have all safety training valid for customers and eRail Safe
Being able to travel to customers anywhere in North America (Valid Passport)
No Criminal Records
Communicate in English (written & spoken, French for Eastern Canada)
Conditions
While performing the duties of this job, the employee frequently works near moving mechanical parts and is frequently exposed to dust, oil, grease, fumes or airborne particles. Although work is primarily done inside a testing vehicle the employee might frequently be required to be outside in any weather conditions. Must be able to lift and carry parts up to 75lbs. Willing to perform occasional mechanical tasks Must be able to negotiate varied ground conditions including uneven, unstable and steep grade conditions. Requires the use of hands and fingers to handle or feel objects, tools or controls. Must be capable of regularly climbing up to 10 feet. The employee is required to talk and hear. Normal correctable vision is required.
$21 - $24 an hour
This position a hourly position.
Pay range is based on experience and qualifications.
Travel expenses are reimbursed, including lodging, truck maintenance, daily operational supplies, and transportation costs.
Comprehensive medical benefits.
Dental benefits.
401(k) retirement plan.
Per diem paid for eligible days spent away from home on company business.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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