Maintenance Mechanic Jobs in St. Louis, MO
Maintenance Mechanic jobs in St. Louis are concentrated in the Midtown manufacturing corridor, Maryland Heights industrial parks, and the north St. Louis county logistics hubs, with strong demand across food and beverage processing, automotive parts, and large-scale facilities management. Employers hiring right now include Nomax, Jost Chemical, and BJC HealthCare. See the openings below and apply to the ones that match your experience.
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Industrial Maintenance Mechanic I
External Job Posting | Maintenance
About Jost Chemical
Are you ready to embark on a career where innovation meets excellence? At Jost Chemical Company, we’re on a mission to push the boundaries of chemical manufacturing, delivering high-quality products that make a positive impact on global industries.
If you’re passionate about keeping complex equipment running, dedicated to safety and precision, and eager to contribute to a company that values both innovation and integrity, explore this exciting opportunity. Join us in shaping the future of chemical manufacturing at Jost Chemical Company, where your career is more than just a job – it’s a journey of growth and achievement.
Founded in 1985, Jost Chemical is a global leader in the manufacture of high-purity mineral salts for the nutritional, pharmaceutical, and specialty markets. Expansion, growth of capabilities, and investment in people, lab and production equipment have been a part of Jost’s company culture for over 40 years. To learn more about Jost Chemical please visit www.jostchemical.com
Position Summary
Jost Chemical is seeking an Industrial Maintenance Mechanic I to join our Maintenance team in a GMP-regulated manufacturing environment operating under Q7A standards. Working under the general supervision of the Industrial Maintenance Supervisor, this role is critical to safe, reliable, and efficient production, maintaining production and quality through preventive maintenance, troubleshooting, and repair of mechanical and electrical equipment. Employees who demonstrate fluency on designated equipment may be eligible for advancement to Mechanic II.
Key Responsibilities
- Perform general plant maintenance, including corrective and preventive maintenance.
- Troubleshoot and repair equipment involving mechanical, electrical, and plumbing systems.
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Service, replace, or rebuild the following:
- Pumps and valves.
- Process tanks and piping.
- Mixers, agitators, and mills.
- Plant utility systems (water purification, steam generators, air compressors, cooling towers, and chillers).
- Electrical motors, controls, guards, and safety systems.
- Support plant operations through additional maintenance tasks as assigned.
Qualifications
- High school diploma or GED.
- Completion of an accredited trade school, or a combined 24 months of relevant education and experience.
- 0–2 years of applicable experience in an industrial, manufacturing, oil & gas, or automotive environment preferred.
Knowledge of:
- Basic mechanical and electrical principles.
- Pneumatics and hydraulics.
- Machine diagnostics.
- Mathematics and English comprehension (Basic level).
- Safety, health, and environmental rules, regulations, policies, and procedures.
Skills & Competencies
- Ability to fabricate repair parts using machine shop tools.
- Experience reading drawings, blueprints, and service manuals.
- Strong communication and organizational skills.
- Self-motivation and willingness to learn.
- Ability to adapt to changing priorities and work demands.
- Manual dexterity, flexibility, and perceptual speed.
Physical Requirements
- Ability to pass a pre-employment physical, drug screen, and physical capability test.
- Ability to work in high-heat and cold environments (up to 120°F).
- Ability to lift up to 55 lbs.
- Ability to safely operate forklifts, scissor lifts, boom lifts, and lifting devices such as chain hoists.
- Ability to operate and maintain a wide range of maintenance tools and equipment.
Our Offer
- Shift Differential
- Medical/Dental/Vision Plan Insurance, Short and Long-Term Disability and Life Insurance first of the month following 60 days.
- 401k plan which includes safe-harbor contribution.
- Paid Time Off (PTO) – Employees eligible first day of employment.
- 9 Company Paid Holidays (72 hours) each year.
- Uniforms Provided
- Foot Protection – annual allowance for all laboratory, maintenance and production employees.
- 24-hour access to our free, on-site fitness center.
- Individual development, on-the-job training, and development programs designed to enhance your professional growth and development while ensuring you feel valued, inspired and appreciated at work.
Equal Opportunity Employer
Jost Chemical is an equal opportunity employer and affirmatively seeks diversity in its workforce. We consider applicants, and make all employment decisions, without regard to race, color, religion, creed, gender, national origin, age, disability, marital or veteran status, or any other legally protected status. We are committed to recruiting and retaining the best talent in the chemical manufacturing industry.
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Who's Hiring

Maintenance Mechanic Jobs in St. Louis: Frequently Asked Questions
How do I get a maintenance mechanic job in St. Louis?
Focus on the sectors driving the most local demand: food and beverage processing plants along the Missouri River corridor, automotive supplier facilities in north St. Louis county, and large distribution centers in Maryland Heights and Hazelwood. Candidates with hands-on PLC troubleshooting, hydraulics, or preventive maintenance documentation skills move to the top of the shortlist. Applying directly to facilities management firms and regional manufacturers gives you the strongest foothold in this market.
Which companies hire maintenance mechanics in St. Louis?
Employers hiring maintenance mechanics in St. Louis right now include Nomax, Jost Chemical, and BJC HealthCare, based on current listings on Migrate Mate as of November 2026. St. Louis draws a broad mix of large industrial manufacturers, food production facilities, and commercial property management companies, all of which maintain steady demand for skilled mechanics year-round.
Are there remote maintenance mechanic jobs in St. Louis?
Remote work is rare for maintenance mechanics because the role is hands-on and tied to physical equipment and facilities. About 0% of maintenance mechanic openings tied to St. Louis are remote or hybrid as of November 2026, and those positions typically involve equipment monitoring, technical documentation, or vendor coordination rather than physical repairs. Most St. Louis openings require on-site presence across the city's manufacturing and distribution facilities.
How can I get a maintenance mechanic job in St. Louis with little or no experience?
The most realistic entry path in St. Louis is a facilities technician or maintenance helper role with one of the city's large food processing or logistics employers in Maryland Heights or Hazelwood, where on-the-job training is common. Community College of St. Louis offers trade programs that St. Louis manufacturers recognize when reviewing entry-level applicants. Demonstrating basic mechanical aptitude, a willingness to work rotating shifts, and familiarity with hand tools gives candidates a clear edge over other applicants with no formal background.
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