Payroll Administrator

Full-Time/Part-Time

Full-time

Regular

Ste. Genevieve-10100

No

MLC was recognized by Newsweek as one of America’s Greatest Workplaces & received an Eco Vadis 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!

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.

The Payroll Administrator is responsible for accurately processing hourly payroll for multiple locations while maintaining payroll records, supporting time and attendance processes, and ensuring compliance with payroll-related requirements.

• Process and review hourly payroll transactions for all company locations through a third-party payroll provider.
• Support payroll distribution and ensure timely, accurate payroll processing.
• Prepare and process payroll-related deductions, retirement contributions, union dues, and required reports.
• Audit time and attendance records and work with supervisors to resolve discrepancies.
• Maintain employee information within payroll and timekeeping systems, including new hire setup.
• Track employee work history, seniority, attendance, and related payroll records.
• Coordinate hourly employee vacation scheduling and process vacation pay transactions.
• Maintain employee deduction records, assist with garnishments, and provide backup support for payroll team functions.

• Bachelor’s degree in Accounting, Finance, or a related field; equivalent relevant experience may be considered.
• Minimum of 5 years of payroll processing experience.
• Strong written and verbal communication skills.
• Ability to manage multiple priorities, work independently, and meet deadlines with a high degree of accuracy.

• Experience processing union payroll.
• Knowledge of payroll reporting, deductions, garnishments, and retirement contribution processing.
• Experience with time and attendance systems.
• Strong attention to detail and problem‑solving skills.
• Action‑oriented with a focus on results, quality, and continuous improvement.
• Ability to build collaborative relationships and work effectively with employees and supervisors across the organization.

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

MLC, headquartered in St. Louis, Mo., is a leading global supplier of high‑calcium lime products and technical…