SEMCO

14 Semco Jobs Hiring Near You

Semco-Tank is growing rapidly and is always working to expand its capabilities and diversify product offerings consistent with the company values of growth and service to its customers. Job Summary ...

Union Machine Operator

Saint Louis, MO · On-site

$16.25 - $18.25/hr

Semco-Tank is growing rapidly and is always working to expand its capabilities and diversify product offerings consistent with the company values of growth and service to its customers. Job Summary ...

Job Summary Were looking for a Blow and Injection Molding Process Technician to join the Semco Tank Holding team in St Louis, MO! A Process Technician oversees production to ensure consistent quality ...

Process Technician

Saint Louis, MO · On-site

$23 - $35/hr

Job Summary We're looking for a Blow and Injection Molding Process Technician to join the Semco Tank Holding team in St Louis, MO! A Process Technician oversees production to ensure consistent ...

PTO + 9 paid company holidays Job Summary We are looking for a Maintenance Technician to join the Semco Tank Holding team on second or third shift! Primary responsibility is to maintain, repair, and ...

Maintenance Technician

Saint Louis, MO · On-site

$26 - $35/hr

PTO + 9 paid company holidays Job Summary We are looking for a Maintenance Technician to join the Semco Tank Holding team on second or third shift! Primary responsibility is to maintain, repair, and ...

Set-up Technician

Saint Louis, MO · On-site

$21 - $24/hr

Company Overview Semco has become the market leader and manufacturer of rotationally molded poly and welded steel bulk storage and material handling products in North America. Tank is growing rapidly ...

Position Summary We are looking for a Maintenance Reliability Technician to join our team at Semco Tank Holding. This role is responsible for planning, scheduling, and coordinating maintenance ...

Company Overview Tank Holding Corporation has become the market leader and manufacturer of rotationally molded poly and welded steel bulk storage and material handling products in North America. Tank ...

Company Overview Tank Holding Corporation has become the market leader and manufacturer of rotationally molded poly and welded steel bulk storage and material handling products in North America. Tank ...

Company Overview Semcohas become the market leader and manufacturer of rotationally molded poly and welded steel bulk storage and material handling products in North America. Tank is growing rapidly ...

SEMCO Jobs Information

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Infographic showing various job openings at Semco in the United States as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% Physical job distribution.

Saint Louis, MO - Union Machine Operator

Semco

Saint Louis, MO

$16.25 - $18.25/hr

Full-time

Posted 8 days ago


Job description

Company Overview

Semco-Tank Holding has become the market leader and manufacturer of rotationally molded poly and welded steel bulk storage and material handling products in North America. Semco-Tank is growing rapidly and is always working to expand its capabilities and diversify product offerings consistent with the company values of growth and service to its customers.

Job Summary

Were looking for a Machine Operator to join the Semco-Tank team! Working closely with the Shift and People Supervisors as well as other Machine Operators, youll be operating various blow-molding and injection presses to create products for our customers.

This job is for you if

  • You are detail oriented and love creating and completing quality product.
  • You are a sound communicator and self-starter.
  • You thrive in a fast-paced environment and enjoy collaboration.

Key Responsibilities

  • Operate molding machines and secondary equipment in a safe and efficient manner.
  • Ensure good quality parts are produced.
  • Read and follow the standard work instructions.
  • Communicate effectively with other operators, supervisors, and other staff.
  • Organize and clean work areas during shift.
  • Adhere to safety practices while performing operating tasks
  • Successfully use tools and PPE.

Knowledge, Skills and Abilities

  • Industry experience (preferred): 1 Year

Physical Requirements

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

  • Occasionally, it represents 1 to 33% or 1-2 hours of an 8-hour workday.
  • Frequently, it represents 34 to 66% or 2 1/2 to 5 1/2 hours of an 8-hour workday.
  • Regularly, it represents 67 to 100% or 6 to 8 hours of an 8-hour workday.
  • While performing the duties of this Job, the employee is regularly required to stand; walk; use hands to finger, handle, or feel; reach with hands and arms and talk or hear. The employee is occasionally required to climb or balance and stoop, kneel, crouch, or crawl. The employee must regularly lift and /or move up to 50 pounds. Specific vision abilities required by this job include close vision, color vision and peripheral vision.
  • Work Environment The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this Job, the employee is occasionally exposed to warm and/or cold conditions; moving mechanical parts; high, precarious places; toxic or caustic chemicals and outside.

Travel

The percentage of travel is 0% outside of your regular shift time.

AAP/EEO Statement

Tank Holding provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, creed, ancestry, sexual or affectional orientation, marital or veteran status, color, religion, sex, national origin, age, disability, genetics, status with regard to public assistance or any characteristic protected under federal, state or local law.

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.