Plant Operator

Martin Marietta Materials; Golden (CO); On-site; USD 36,000 - 48,000; Full time

Benefits offered by this job

Medical, dental and vision coverage

401(k) with company match

Paid time off

Tuition assistance

Job summary

Martin Marietta is seeking a Plant Operator to safely run and monitor crushers, screens, conveyors, and pumps, perform daily inspections, and maintain equipment and inventory at the Golden, CO site under the Plant Manager and Supervisor.

You will help achieve production goals, ensure quality output, adhere to MSHA safety policies, train new staff, and complete daily production reports, while keeping the work area clean and compliant with environmental and safety standards.

Qualifications

• High School Diploma, GED, or equivalent work experience.
• No prior experience required; 6 months–1 year in Aggregate Plant Operations or similar Heavy Building Materials industry preferred.
• Mechanical and technical aptitude; knowledge of plant components; MSHA compliance; strong communication skills.

Responsibilities

• Start, monitor, and regulate crushers, screens, conveyors, feeders, and pumps in safety-compliant manner.
• Adjust process settings to optimize material flow and quality per specs.
• Operate mobile equipment such as skid steers and front-end loaders for load out and clean-up.
• Conduct pre-shift and ongoing inspections and document daily reports accurately.
• Perform preventative maintenance: greasing, cleaning, belt changes, bearing or pulley replacements.
• Identify malfunctions or blockages and safely shut down equipment during emergencies.

Skills

Mechanical aptitude

Technical aptitude

Knowledgeable of plant components

Critical thinking

Time management

MSHA compliance

Effective communicator

Education

High School Diploma or GED

Job description

JOB SUMMARY As a Plant Operator at MartinMarietta, you will play a pivotal role in supporting our mining and aggregate production operations. Working under the direction of the Plant Manager and Supervisor, you'll be responsible for safely and efficiently operating, monitoring, and maintaining plant processing equipment; tasks including but not limited to-observing visual and auditory signals during operation, performing routine daily inspections of plant and mobile equipment, reporting defects to the supervisor, as well as maintaining and managing inventory levels of various wear items used throughout the plant site. You will be instrumental in achieving production goals by ensuring consistent, quality aggregate output and maintaining a clean, secure work environment.

KEY DUTIES AND RESPONSIBILITIES

• Start, monitor, and regulate crushers, screens, conveyors, feeders, and pumps in compliance with safety standards.
• Adjust process settings to ensure optimal material flow and quality in line with job specifications.
• Operate mobile equipment such as skid steers and front-end loaders during load out or clean-up tasks.
• Conduct pre-shift and ongoing inspections of plant and mobile equipment, document daily reports accurately.
• Perform preventative maintenance tasks like greasing, cleaning, screen changes, belt splicing, and bearing or pulley replacements.
• Identify malfunctions or blockages, safely shut down equipment during emergencies, and initiate work requests for repairs.
• Maintain a tidy work area-clear spillage, dust, and debris around equipment and haul roads.
• Adhere to all MSHA and company safety policies, including proper PPE use.
• Communicate effectively with supervisors and teammates to ensure efficient workflow and safety compliance.
• Assist in training new or temporary staff on equipment operation and safety procedures.
• Take on additional duties-cleaning, quality control, rail loading-as assigned by management.
• Maintain daily production reports, recording activity levels, downtime, and material inventory.
• Ensure compliance with environmental regulations regarding batch plant operations and dust control.

QUALIFICATIONS

Education

• High School Diploma, GED, or equivalent work experience

Work Experience

• No prior experience is required; 6 months - 1 year of experience in Aggregate Plant Operations or similar Heavy Building Materials industry, preferred.

Knowledge, Skills, and Abilities

• Mechanical aptitude
• Technical aptitude
• Knowledgeable of plant components
• Critical thinking
• Time management
• MSHA compliance and regulations
• Effective communicator (written and spoken)

ADDITIONAL DETAILS

Physical Requirements

Must be able to lift and carry up to 50 lbs. for plant maintenance and equipment servicing. Required to bend, stoop, climb, and reach. You must be able to maintain three points of contact when climbing on/off machinery or on ladders. Strong hand-eye-foot coordination is essential for operating hand/foot controls. You must have good depth perception with or without seeing aid for distances up to 150 feet.

Working Conditions

All duties require outside assignments and require periods of work in all weather conditions, cold, wet, dry and dusty.Must be able to work in areas where noise levels are up to 85 dbs.

Disclaimers

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.

COMPENSATION

The base range for this position is $26.00 - $35.00; exclusive of benefits or bonuses (discretionary and non-discretionary). The offered base hourly compensation will be determined based on factors such as geographic location, business need, market conditions, proficiencies, skills, education, and experience. Additionally, at Martin Marietta we place a high value on internal pay equity and will consider the compensation for those in similarly situated roles and direct team members. The posted range for this role represents the total reasonable pay range and does not solely represent a hiring range. Therefore, hiring at the top or maximum of the range should not be expected as it would not allow for salary growth opportunities in the role, would diminish promotion value, and may not align with internal equity.

BENEFITS

• medical, dental and vision coverage
• prescription drug coverage
• health savings accounts
• flexible spending accounts
• life, AD&D and disability insurance
• 401(k) with a company match and an employer-funded defined benefit pension plan
• paid time off
• paid holidays
• education/tuition assistance
• an employee discount program
• adoption assistance
• wellness programs
• other benefits include more
• 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

ABOUT THE COMPANY

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

EEO Statement

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.