Part Time Machine Operator Jobs in Colorado (NOW HIRING)

Description
JOB SUMMARY
The Finish Blade/Grader Equipment Operator III is responsible for the safe and efficient operation of a motor grader to perform fine grading and finishing of road bases, sub-grades, and surfaces to precise tolerances. As the highest level in the operator classification, this role requires significant expertise in interpreting blueprints, staking, and utilizing advanced technology to ensure proper drainage and structural integrity. The operator works with minimal supervision and is expected to exhibit leadership within the paving crew, ensuring that all work meets both Martin Marietta's quality standards and OSHA safety regulations.
KEY DUTIES AND RESPONSIBILITIES

• Spread and level dirt, gravel, and stone to finish grade specifications for highways, streets, and subdivisions.
• Read and interpret project plans, blueprints, grade stakes, and 'blue tops' to determine required elevations and slopes.
• Operate equipment equipped with GPS, laser, or sonic grade control systems to achieve automated precision.
• Cut and maintain ditches and crowns to ensure proper water runoff and prevent erosion.
• Fine-grade aggregate to tolerances suitable for asphalt or concrete pavement application.
• Conduct comprehensive pre-shift and post-shift safety inspections (fluids, tires, blades, hydraulics) and document findings in maintenance logs.
• Perform minor field maintenance, including greasing, cleaning filters, and changing grader blades/cutting edges.
• Identify and avoid potential hazards such as utility lines, overhead obstructions, and ground personnel; maintain high situational awareness in high-traffic zones.
• Strictly adhere to all Martin Marietta safety policies, OSHA regulations, and environmental permits.
• Coordinate with loaders, haul trucks, and rollers via two-way radio to ensure efficient material flow and cycle times.
• Provide guidance and training to junior operators on equipment best practices and safety protocols.
• Perform auxiliary labor duties as needed, such as manual raking, shovel work, or operating secondary equipment (rollers, loaders, water trucks) during downtime.
• Ensure work sites are maintained with adequate berms and drainage to prevent erosion and meet environmental regulations.

QUALIFICATIONS
Education
High school diploma, GED, or relevant experience
Work Experience
3+ years of experience Operating Heavy Equipment, with a focus on Finish Blade/Fine Grading in a Paving or Heavy Highway environment, preferred.
Knowledge, Skills, and Abilities
OSHA compliance and regulations
GPS proficiency (3D grade control technology and interpreting digital site models)
Mechanical aptitude
Technical aptitude
Detail oriented
Time management
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.
The hiring range for this position is $32.40 -$38 exclusive of benefits or bonuses (discretionary and non-discretionary). The offered base 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 hiring range for this role represents the base compensation we expect to pay for the position at time of hire and does not represent the total possible base pay of the position.
In addition to our base compensation, we also offer a competitive benefits package for full-time employees, including 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. Other benefits include paid time off, paid holidays, education/tuition assistance, an employee discount program, adoption assistance, wellness programs and more.
Part time employees are eligible to participate in the 401k plan and receive a company match. In addition, they are eligible to start accruing service for the pension plan.
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.