Mine Equipment Mechanic

Mississippi Lime Company; Missouri; On-site; USD 55,000 - 85,000; Full time

Benefits offered by this job

401(k) plan

Tuition reimbursement

Vacation & holidays

Health savings

Disability & EAP

Incentive program

Career development

Job summary

Mississippi Lime Company (MLC) in Missouri is seeking a Mine Equipment Mechanic I (Mobile Maintenance) to keep heavy mobile mining equipment safe and reliable. You will perform preventive maintenance, repairs, welding and inspections, working closely with operations and maintenance teams to boost equipment availability and efficiency.

The role requires a high school diploma, an apprenticeship or equivalent in mechanical maintenance, and strong problem-solving and communication skills.

Qualifications

• High school diploma or equivalent.
• First Class status or apprenticeship/certification in mechanical maintenance or related fields.
• Ability to pass a mechanical aptitude assessment.
• Reading, math and problem-solving skills.
• Verbal and written communication; basic computer skills.
• Ability to work in an industrial mining environment.

Responsibilities

• Perform preventative maintenance and repairs on mobile mining equipment.
• Install, operate, troubleshoot and repair equipment using manuals and schematics.
• Identify breakdown causes and minimize production interruptions.
• Document pre-operational inspections and maintenance work.
• Use tools and CMMS to create work requests and manage inventory.
• Communicate equipment issues with supervisors and teammates.
• Support continuous improvement and safe work practices.

Skills

Mechanical aptitude

Reading skills

Math skills

Problem solving

Verbal communication

Written communication

Computer literacy

Education

High school diploma

Apprenticeship/cert in mechanical maintenance

Tools

CMMS

Job description

Full-Time/Part-Time

Full-time

Regular/Temporary

Regular

Address Info

Ste. Genevieve-10100

Remote Position

No

Position Description

Job Title: Mine Equipment Mechanic I (Mobile Maintenance)

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.

About the Job

As a Mine Equipment Mechanic, you will play a critical role in supporting safe and reliable mining operations by maintaining, troubleshooting, repairing, and inspecting heavy mobile equipment. This position works closely with operations and maintenance teams to maximize equipment availability, improve reliability, and support continuous improvement initiatives throughout the operation.

Key Responsibilities

• Safely and efficiently perform preventative maintenance, equipment repairs, and weld repairs on mobile mining equipment, including mechanical, pneumatic, hydraulic, and related systems.
• Install, operate, maintain, troubleshoot, and repair a variety of mobile equipment using manuals, schematics, and technical documentation.
• Identify equipment operational problems and causes of breakdowns and make repairs to minimize production interruptions.
• Perform and document workplace examinations and mobile equipment pre-operational inspections.
• Safely operate mobile equipment, hand tools, power tools, and other equipment necessary to perform maintenance activities.
• Train and utilize a computer and related software for creating work requests, documenting repairs, looking up spare parts, and managing inventory.
• Communicate equipment issues, lubrication concerns, and operational inefficiencies with supervisors and team members.
• Work independently and collaboratively to support continuous improvement, safe work practices, and operational efficiency.

Required Qualifications

• High school diploma or equivalent.
• First Class status or equivalent approved apprenticeship/certification training in Mechanical Maintenance, Mobile Equipment Maintenance, Electrical Maintenance, or Instrumentation; OR relevant vocational/technical training and experience
• Ability to pass a mechanical aptitude assessment.
• Competent reading, math, and problem-solving skills.
• Effective verbal and written communication skills.Ability to troubleshoot equipment problems with minimal supervision.
• Basic computer proficiency, including Microsoft Office applications.
• Ability to safely work in an industrial mining environment and perform physical maintenance activities.

Preferred Qualifications

• Technical degree, certification, apprenticeship, or equivalent training in heavy equipment, diesel technology, industrial maintenance, or a related field.
• Experience maintaining heavy mobile mining or construction equipment.
• Experience with hydraulic, pneumatic, mechanical, and welding repairs.
• Experience using computerized maintenance management systems (CMMS).

The Fine Print

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 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/ .

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