Demo

Mining Operation Plant Manager

Martin Marietta
Kokomo, IN Full Time
POSTED ON 10/14/2025
AVAILABLE BEFORE 11/12/2025
Description

Summary:

Martin Marietta is currently looking for a Plant Manager to be responsible for leading and managing all safety efforts at the plant as well as planning, quality control, customer services and maintenance functions. Additional objectives include asset protection, financials, budgeting, cost control, environmental, personnel and community relations. This position will lead the management team and hourly employees for our Kokomo, Indiana Surface and Underground sand and limestone mining operations.

Responsibilities

  • Lead safety programs and training, promoting Martin Marietta’s Guardian Angel culture.
  • Responsible for leading the safety, health, environmental programs, guidelines and policies.
  • Lead and develop salary and hourly workforce to create teamwork and drive a safe and productive environment.
  • Ensure compliance with company, local, state and federal rules and regulations.
  • Leads operations to established production, safety, and environmental objectives and metrics.
  • Responsible for the planning and scheduling of plant activities to include scheduling, production and training activities.
  • Complete daily production, safety and maintenance reports accurately.
  • Responsible for maintaining the quality of all products.
  • Maintain housekeeping and appearance standards as established.
  • Assist with equipment repairs and housekeeping as needed.
  • Other duties as assigned.
  • Train others as needed
  • Manage multiple tasks and prioritize production needs
  • Perform all activities in accordance with the Company’s Mission, Vision and Values, and in compliance with the Company’s policies, procedures and Code of Ethical Business Conduct.

Qualifications And Skills

Competencies

  • Ethical Conduct
  • Leadership
  • Teamwork
  • Decision Making
  • High Sense of Urgency
  • Drive for Results
  • Relationship Building
  • Attention to Detail
  • Analytical

Supervisory Responsibility

This position will be accountable for up to 15 employees.

Work Environment

This job operates frequently in a maintenance and operations environment in a surface plant and UG mine location. This role routinely uses standard office equipment such as a computer, phone, and copier.

Position Type/Expected Hours of Work

This is a full-time position and will require 40 hours per week.

Required Education And Experience

  • A bachelor’s degree in management or engineering preferred or equivalent work/military experience
  • Seven or more years of supervisory experience in the mining industry of aggregate-based construction materials such as limestone with preferred underground experience.
  • Knowledge of MSHA regulations

Additional Eligibility Qualifications

  • Skill Trade Certification(s) are a plus
  • Bilingual a plus
  • Knowledge of MSHA regulations

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities and activities may change at any time with or without notice.

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.com Estimation for Mining Operation Plant Manager in Kokomo, IN
$131,700 to $168,005
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