Demo

Plant Operator

Martin Marietta
Huntsville, MO Full Time
POSTED ON 6/2/2026
AVAILABLE BEFORE 7/1/2026
Description

Hours: 6:30am -5pm Monday - Friday

Pay: $20-$21.50 an hour

Job Summary

Martin Marietta is currently looking for a Plant Operator for surface operations at our Huntsville Quarry in Huntsville, MO. This position is responsible for assisting with plant clean-up and providing support for surface crushing operations. This position will also serve as a back-up to Plant Operator I by controlling plant equipment and operations in a full-automated/computer-operated rock crushing plant.

Key Duties And Responsibilities

  • Participate in safety programs and trainings, promoting Martin Marietta’s Guardian Angel culture
  • Operate skid steer to facilitate plant clean-up
  • Train and provide back-up for Plant Operator I
  • Inspect equipment for signs of wear
  • Monitoring processes, materials and surroundings
  • Tend to equipment such as conveyors to move materials through production processes
  • Perform basic maintenance on heavy mobile equipment
  • Operate haul truck to assist with plant operations
  • Work in a team environment
  • Clean work areas
  • Proper wear of personal protective equipment
  • Notify supervisors of repairs needed
  • Manage multiple tasks and prioritize production need

Qualifications

Required Education and Experience:

  • High school diploma, GED or equivalent
  • 1 years of related experience
  • Valid US driver’s license
  • Heavy equipment operations or military experience preferred
  • MS Office and other computer skills preferred

Skills

  • Ability to work with minimal supervision
  • Knowledge of MSHA regulations
  • Effective written and verbal communication
  • Knowledge of machines and tools including their design, use and maintenance

Physical Abilities

  • Ability to work in an outdoor environment year-round
  • Ability to work in elevated areas
  • General physical activities include climbing stairs and ladders, lifting, pushing, pulling, stooping, reach with hands and arms, and handling material

Disclaimer

ADDITIONAL INFORMATION

In addition to the primary responsibilities outlined, the successful candidate may be expected to take on other tasks and assignments as required, including but not limited to duties outside the typical scope of the role to support overall team operations and organizational needs. Flexibility and adaptability to evolving job demands are essential.

A member of the S&P 500 Index, Martin Marietta is an American-based company and a leading supplier of heavy building materials – including aggregates, cement, ready-mixed concrete and asphalt. Through a network of operations spanning 28 states, Canada and the Bahamas, dedicated Martin Marietta teams supply the foundational resources upon which our communities thrive. Martin Marietta's Magnesia Specialties business produces high-purity magnesia and dolomitic lime products used worldwide in environmental, industrial, agricultural and specialty applications.

At Martin Marietta, we strive to work with the best and the brightest – those who have the potential to become our company's future leaders. Each of our roughly 9,500 people shares a common purpose regardless of their professional role or work environment. Together, we utilize our diverse skills and experiences to drive our company and its extraordinary culture forward. Our aim is to build on our foundation of success and help values-driven and hardworking people realize their full potential. When you decide to invest your career in Martin Marietta, you'll know what it's like to be respected, challenged and rewarded.

In return, we offer a highly competitive benefits package, including:

  • Medical
  • Prescription Drug
  • Dental
  • Vision
  • Health Care Reimbursement Account
  • Dependent Care Reimbursement Account
  • Wellness Programs
  • Employee Assistance Plan
  • Paid Holidays and Vacation
  • 401(k) with Company matching
  • Pension
  • Salary Continuation – Short-Term Disability
  • Long-Term Disability Options
  • Employee Life Insurance
  • Spouse & Dependent Life Insurance
  • Business Travel Accident Insurance
  • Direct Deposit Payroll
  • Educational/Tuition Assistance Plan
  • College Scholarship Program – for dependent children
  • Matching Gift Program
  • New Auto Purchase Discount Plans

At Martin Marietta, we are proud to be an Equal Opportunity Employer. We are committed to providing an environment of mutual respect where equal employment opportunities are available to all qualified applicants and teammates. We celebrate diversity and commit that qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Salary : $20 - $22

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