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Trucking Maintenance Supervisor

MlcSte Genevieve, MOApril 29th, 2026
Job Title: Trucking Maintenance SupervisorMLC was recognized by Newsweek as one of America’s Greatest Workplaces & received an EcoVadis Sustainability Rating for our continued commitment to sustainability. Why consider a career at MLC? Highly collaborative work environment focused on growth and innovationSafety and sustainability are top prioritiesExcellent compensation, benefits, generous perks; focused on employee wellbeing Great development and advancement opportunitiesBring 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 GrowthMLC 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 JobThis position will be integral to the daily management of shop activities and fleet maintenance for the Ste. Genevieve, MO and Ghent, KY MLC trucking locations. Primary responsibilities include leading MLC Trucking maintenance facilities, overseeing preventative maintenance activities, tracking costs in EAM, and minimizing equipment down-time while maintaining focus on improving CSA vehicle maintenance scores.Maintain accurate and precise records of repair orders in EAM for each piece of equipment. Forecast and generate PM work orders in EAM fleet maintenance program. Maintain accurate and precise records of repair orders in EAM for each piece of equipment. Maintain overall fleet equipment database for all locations and ensure accurate data contained including unit #’s, VIN #s, make, model, year, terminal, license plate, year acquired, date license expires, etc.Forecast and generate PM work orders in EAM fleet maintenance programManages department maintenance priorities by utilizing the EAM fleet maintenance program. Ensures proper EAM work order system utilization during execution and closeout of jobs (work history documentation). Ensures preventative maintenance tasks are performed in a quality and timely fashion. Ensures VIRs (vehicle inspection reports) submitted by drivers are resolved in a timely manner. Coordinate with management and dispatchers to service and repair equipment while ensuring faulty equipment is placed out of service until repairs are complete. Coordinate transfer of equipment to outside shops and contractors when necessaryResponsible for preparation of safety reports required for internal use and OSHA reportingEvaluates alternative equipment manufacturer or alternate supplier of frequently replaced partsGenerates purchase requisitions for contracted repairs, spare parts, and services conducted in the shopDirects hourly personnel, and contractors (as applicable), in the daily mechanical maintenance activities and assist with special projects within the site.Evaluate and manage staffing requirements, employee performance and development, appraisal programs, safety compliance, training, absenteeism and tardiness, discipline, adherence to plant and federal rules/procedures/regulations, work efficiency, and job assignments. Directs hourly personnel in daily mechanical maintenance activities and assist with special projects within the site. Resolves employee issues through problem resolution. Builds an effective and functional team environment. Employees are expected to perform other responsibilities as needed.Required QualificationsEducation: High school diploma or equivalent. Experience: 5 plus years’ relevant experience required. A minimum of two years of direct work experience with over the road fleet of more than 50 tractors. Solid knowledge of DOT standards and FMCSA principle required. Skills Maintenance and electrical skills required. Strong computer skills with knowledge in Microsoft Office programs. Abilities: Ability to plan over a specific time span and prepare action plans to achieve results. An ability to manage multiple priorities and assuming assigned work in other jobs in the event of employee absences, work fluctuations, or emergency situations. Licenses: Valid Driver’s License required, Class A CDL preferred.Behaviors: Strong interpersonal and communication skills required.Schedule: Responsible for scheduling call-out coverage on off shifts including weekends and holidays. Must be able to be on call periodically. Travel: Ability to travel to all fleet locations. Certifications: Must possess the proper certifications or work history for performing mechanical and electrical work on over-the-road tractors and trailers.The Fine PrintBenefits and perquisites may vary based on the nature and location of each job.Click here for MLC EEO information About MLCMLC, 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/