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Senior Machine Operator Jobs in Fenton, MO (NOW HIRING)

MasterCard

Senior AI Platform Engineer (DevOps)

O Fallon, MO

$121K - $156K/yr

The AI Platform Engineering team is responsible for building, operating, and evolving Mastercard ... Design, build, and operate enterprise AI platforms supporting machine learning, generative AI, and ...

BJC HealthCare

MILLWRIGHT - SR

Saint Louis, MO · On-site

$23.10 - $38.36/hr

The Senior Millwright is the first point of contact when equipment goes down. Responsibilities ... Operating machine tools to fabricate parts required during overhaul, maintenance or set-up of ...

BJC HealthCare

MILLWRIGHT - SR

Saint Louis, MO · On-site

$22.75 - $29.75/hr

Operating machine tools to fabricate parts required during overhaul, maintenance or set-up of ... The Senior Millwright is the first point of contact when equipment goes down. Responsibilities

GRVTY

Senior Data Scientist

Saint Louis, MO · On-site

Operating in a fast-paced, mission-focused environment, you will independently manage multiple ... Experience applying machine learning or artificial intelligence techniques to intelligence problems.

BMEP Group

Senior Field Technician

Saint Louis, MO · On-site

$40 - $45/hr

... operating efficiently. Clients include: * National restaurant chains * Healthcare and senior living ... Service ice machines, prep tables, merchandisers, and open-air display coolers * Troubleshoot and ...

GRVTY

Senior Data Scientist

Saint Louis, MO · On-site

Operating in a fast-paced, mission-focused environment, you will independently manage multiple ... Experience applying machine learning or artificial intelligence techniques to intelligence problems.

GRVTY

Senior Data Scientist

Saint Louis, MO

Operating in a fast-paced, mission-focused environment, you will independently manage multiple ... Experience applying machine learning or artificial intelligence techniques to intelligence problems.

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All JobsMachine Operator JobsSenior Machine Operator JobsSenior Machine Operator Jobs in Fenton, MO

Senior Machine Operator information

See Fenton, MO salary details

$23.8K

$76.5K

$155.7K

How much do senior machine operator jobs pay per year?

As of Aug 31, 2026, the average yearly pay for senior machine operator in Fenton, MO is $76,481.00, according to ZipRecruiter salary data. Most workers in this role earn between $39,500.00 and $98,100.00 per year, depending on experience, location, and employer.

What is a senior machine operator?

Senior Machine Operators are experienced professionals responsible for operating, maintaining, and troubleshooting industrial machinery in manufacturing or production settings. They oversee machine performance, ensure safety standards are met, and may supervise junior operators. Their role often includes setting up machines, performing quality checks, and making adjustments to optimize efficiency and product quality. Senior Machine Operators typically have several years of hands-on experience and a strong understanding of mechanical systems.

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

To thrive as a Senior Machine Operator, you need advanced mechanical aptitude, experience with manufacturing equipment, and often a high school diploma or equivalent with additional technical training. Familiarity with CNC machines, PLC systems, and safety certifications like OSHA are commonly required. Strong attention to detail, problem-solving abilities, and effective teamwork are crucial soft skills for this role. These competencies ensure efficient production, minimize errors, and maintain a safe and productive work environment.

What opportunities for career advancement are available to senior machine operators within manufacturing organizations?

Senior Machine Operators often have several pathways for career growth, including moving into supervisory or team lead roles, such as Production Supervisor or Shift Manager. Many organizations value the technical expertise and leadership skills developed in this position, making it possible to transition into roles that focus on process improvement, quality assurance, or training new operators. Additionally, pursuing certifications in advanced manufacturing technologies or equipment maintenance can open doors to specialized roles, such as Maintenance Technician or Process Engineer. Demonstrating initiative and strong problem-solving abilities can further increase advancement prospects within the company.

What is the difference between Senior Machine Operator vs Machine Operator?

AspectSenior Machine OperatorMachine Operator
CredentialsTypically requires more experience and sometimes certifications in specific machineryBasic machine operation certifications or training
Work EnvironmentOversees complex machinery, may supervise othersOperates machinery under supervision or standard procedures
ResponsibilitiesMaintains, troubleshoots, and optimizes equipment; mentors junior staffPerforms routine machine operation tasks

The main difference between a Senior Machine Operator and a Machine Operator lies in experience, responsibilities, and leadership. Senior Machine Operators handle more complex tasks, oversee equipment, and often mentor others, whereas Machine Operators focus on routine operation. Both roles require relevant certifications, but the senior position demands more expertise and experience.

What are the most commonly searched types of Machine Operator jobs in Fenton, MO?

The most popular types of Machine Operator jobs in Fenton, MO are:

What cities near Fenton, MO are hiring for Senior Machine Operator jobs?

Cities near Fenton, MO with the most Senior Machine Operator job openings:

Senior Machine Operator jobs near you
Infographic showing various Senior Machine Operator job openings in Fenton, MO as of August 2026, with employment types broken down into 43% Full Time, 54% Part Time, 2% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution, with an average salary of $76,481 per year, or $36.8 per hour.

Production Technician (Extruder) 2nd shift

Bridgeton, MO • On-site

Spectrum Brands
Manufacturing • 10K+ employees

6.3

Company rating: 6.3 out of 10

Based on 10 frontline employees who took The Breakroom Quiz

Learn more about Spectrum Brandsexternal

$16.25 - $19.75/hr

Other

This job post has expired 3 days ago. Applications are no longer accepted.

Job description

Division InformationThe Pet Care business unit of Spectrum Brands is based in St. Louis, Missouri with distribution, manufacturing and sales offices throughout the US and globe. Owners of dogs, cats, birds, small animals, fish and reptiles rely on our brands for exceptional value and trusted results. Our industry-leading brands include Tetra®, Instant Ocean®, Marineland®, 8-in-1®, Dingo®, FURminator®, Nature's Miracle®, GloFish®, DreamBone® and SmartBones®. Job Summary The Senior Machine Operator role is responsible for all aspects of setting up and running extrusion production equipment. This role will lead to the production of fish food pellets, considering the safety and food quality requirements typically found in a pet food manufacturing environment. The Senior Machine Operator understands the product flow process and procedures, and ensures consistent, efficient, and effective workflow through the department. This role will also perform minor to moderate mechanical work. This position will train on 1st shift from 6:00 am - 2:00 pm. After training is complete, this position will work from 2:00 pm - 10:00 pm. Primary Duties & Responsibilities

    • Set up and operate food extrusion machines to produce pellets according to recipe and specifications
    • Load and verify raw ingredients (flour, starches, additives, water) based on batch sheets
    • Control and monitor key parameters (Temperature zones, Moisture levels, Screw speed, and pressure)
    • Start, adjust, and stop machines during production runs
    • Ensure uniform pellet size, shape, texture, and density
    • Always follow HACCP (Hazard Analysis Critical Control Points) procedures
    • Support and enforce HACCP, GMP (Good Manufacturing Practices), and FDA/food regulatory compliance
    • Maintain strict hygiene and sanitation standards
    • Preventing cross-contamination between batches
    • Conduct in-process quality checks (moisture, appearance, density, etc.)
    • Accurately label and segregate batches
    • Meet daily production targets while minimizing waste
    • Record batch data (ingredients, lot numbers, machine settings, output)
    • Adjust process variables to maintain consistent product quality
    • Coordinate with upstream (mixing) and downstream (drying/packaging) teams
    • Perform cleaning and sanitation of equipment (CIP/COP where applicable)
    • Disassemble and clean dies, screws, and feed systems as required
    • Identify and report abnormalities (noise, vibration, inconsistent output)
    • Assist technicians during maintenance
    • Install, configure, and calibrate food extrusion equipment
    • Troubleshoot process-related issues
    • Ensure all equipment meets food-grade and sanitation standards
    • Conduct changeovers
    • Ensure proper documentation for audits and traceability
    • Train operators on proper machine operation, hygiene, and safety
    • Support continuous improvement and lean manufacturing initiatives
    • Assist with monthly inventories as needed.
    • Comply with all Company policies and procedures.
    • Complete other duties as assigned.

Education and Experience Profile

  • High school diploma or general education degree (GED)
  • Three years (3) related experience and/or training
  • Equivalent combination of education and experience
  • Forklift experience preferred

Required Skills

    • Ability to communicate effectively, read, comprehend basic instructions, short correspondence, and memos
    • Ability to identify and use basic hand tools, measurement devices, and scale devices
    • Must possess organizational and teamwork skills
    • Ability to add, subtract, and multiply
    • Ability to repetitively lift to 50 pounds
    • Ability to stand for 8-hour shifts
    • High attention to detail
    • Self-motivated
    • Comfortable working at elevated heights
    • Knowledgeable on the Lock-Out-Tag-Out process

Work Environment

  • Exposure to hot and cold climates
  • While performing the duties of this job, the employee is regularly exposed to moving mechanical parts
  • Exposure to a wet and dusty environment, including steam, water, and slurry

What Spectrum Brands employees say

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