Job Title: Production Supervisor

Why consider a career at MLC?

MLC was recognized by Newsweek as one of America’s Greatest Workplaces & received an EcoVadis Sustainability Rating for our continued commitment to sustainability.

Highly collaborative work environment focused on growth and innovation
Safety and sustainability are top priorities
Excellent compensation, benefits, generous perks; focused on employee wellbeing
Great development and advancement opportunities
Bring your real self to work, come grow with us!

MLC operates the largest lime facility in the Americas and mines some of the purest limestone reserves in the world…and we are global! The company is committed to development and employee satisfaction. Join our outstanding team!

Benefits & Professional Growth

MLC offers a competitive and thoughtfully designed rewards package that supports both financial security and long-term career development:

401(k) Plan
The company matches a portion of employee 401(k) contributions and also provides an additional employer-funded contribution, regardless of employee participation, to help support long‑term retirement savings.
Tuition Reimbursement
Reimbursement for 100% of approved eligible education expenses after six months of employment to support continued learning and career advancement.
Vacation and Holiday Pay
Employees receive paid vacation as well as recognized company-paid holidays to support work-life balance throughout the year.

Health Savings & Wellness Benefits
Employer HSA contributions for medical plan participants, a comprehensive wellness program, and $100 annually toward a gym membership.
Disability & Employee Assistance Coverage
Company‑provided disability insurance and access to an Employee Assistance Program (EAP) offering mental health, financial, and personal support resources.

Incentive Program
Eligibility for performance-based incentive opportunities aligned with individual and organizational success.
Career Growth & Development Opportunities
Access to professional development resources and opportunities within a growing, global organization.
Coming soon…Student Loan Reimbursement assistance

About the Job

The Production Supervisor leads front-line plant operations by supervising production teams, ensuring safety and compliance, and driving efficiency, quality, and continuous improvement.

Supervise, assign, and verify daily work of hourly production employees
Promote a strong safety culture and ensure compliance with all policies and regulations
Monitor performance (attendance, safety, efficiency) and provide coaching, mentoring, and discipline as needed
Drive productivity, quality, and waste reduction across plant processes
Support environmental compliance and maintain production reliability
Coordinate daily production, maintenance scheduling, and inventory management
Foster positive employee relations and build a high-performing team environment
Track and report on production, safety, and operational performance metrics

Required Qualifications

High school diploma
3–5 years of supervisory experience in a manufacturing environment
Proven ability to lead teams and achieve results through others
Strong planning, organization, and problem-solving skills
Ability to manage multiple priorities in a fast-paced setting

Preferred Qualifications

Some college coursework
Experience working in a unionized environment
Strong interpersonal and communication skills
Knowledge of safety, environmental, and production compliance standards
Ability to learn plant systems and processes and use tracking/reporting tools
Willingness to obtain and maintain required certifications (e.g., supervisory certificate, First Aid/CPR, Method 22)

The Fine Print

Benefits and perquisites may vary based on the nature and location of each job.

Click here for MLC EEO information

About MLC

MLC, headquartered in St. Louis, Mo., is a leading global supplier of high-calcium lime products and technical solutions. These offerings bring essential performance and value to a broad range of market applications, including metals, construction, chemical synthesis, water and emissions treatment, glass, textiles, plastics, rubber, agriculture, foods and beverages. With over a century in business, MLC has built a reputation on the quality of its products and services, as well as an unwavering commitment to safety, sustainability and service. The company’s expanding global footprint includes a diversified, reliable network of production and distribution facilities in the U.S., as well as in the UK through our Singleton Birch business. For more information, visit https://www.mlc.com/.

Learn more about this Employer on their Career Site