Materials Laborer/Operator

Onyx Corporation; Sterling (MA); On-site; USD 40,000 - 60,000; Full time

Job summary

Onyx Corporation in Sterling, MA is seeking a Laborer/Operator to safely operate heavy equipment and perform general labor to support the Materials Division. This role emphasizes production efficiency, material handling, site maintenance, and loading operations with strict safety standards.

Candidates should have 3–5 years of mining/excavation experience, OSHA 10, MSHA, DOT certifications, a MA 2A/1C hoisting license, and a valid driver’s license; ability to work outdoors in all weather is

Qualifications

• Follow written and verbal instructions to perform tasks safely.
• Operate quarry and crushing plant equipment with care and precision.
• Communicate clearly with team members on site and report issues.
• Maintain high safety standards and work collaboratively.
• Remain productive in a fast-paced, safety-focused environment.

Responsibilities

• Safely operate heavy equipment such as loaders, excavators, skid steers, dozers, haul trucks, and other equipment as assigned.
• Load customer and company trucks with aggregate, sand, stone, mulch, loam, and other materials.
• Maintain traffic patterns and assist customers safely within the yard when needed.
• Perform general labor tasks including shoveling, site cleanup, sweeping, and assisting with maintenance projects.
• Conduct daily pre-trip and post-trip inspections of equipment/plant and report issues using a mobile device.
• Maintain equipment cleanliness and perform routine maintenance as assigned.
• Follow all company safety policies, MSHA/OSHA regulations, and environmental requirements.
• Work with foreman and management to prioritize tasks and production schedules.
• Monitor crushing plant operations and adjust crusher settings for production optimization.
• Maintain a clean, organized, and safe work environment.

Skills

Instruction following

Mechanical skills

Communication on site

Safety awareness

Teamwork

Education

OSHA 10 certification

MSHA certification

DOT Certificate

MA 2A/1C hoisting license

Driver's license

Drug test eligibility

Job description

The Laborer/Operator is responsible for safely operating heavy equipment and performing general labor duties to support the daily operations of the Materials Division. This position helps ensure efficient production, material handling, site maintenance, and loading operations while maintaining the highest standards of safety, quality, and teamwork.

Duties/Responsibilities

• Safely operate heavy equipment such as loaders, excavators, skid steers, dozers, haul trucks, and other equipment as assigned.
• Load customer and company trucks with aggregate, sand, stone, mulch, loam, and other materials.
• Maintain traffic patterns and assist customers safely within the yard when needed.
• Perform general labor tasks including shoveling, site cleanup, sweeping, and assisting with maintenance projects.
• Conduct daily pre-trip and post-trip inspections of equipment/plant and report any mechanical issues or safety concerns using mobile device.
• Maintain equipment cleanliness and perform routine preventative maintenance as assigned.
• Follow all company safety policies, MSHA/OSHA regulations, and environmental requirements.
• Work with foreman and management to prioritize daily tasks and production schedules.
• Monitor crushing plant operations and adjust crusher settings for production optimization.
• Maintain a clean, organized, and safe work environment.
• Perform other duties as assigned.

Required Skills/Abilities

• Have ability to follow specific verbal and written instructions.
• Strong mechanical skills in the maintenance of quarry equipment and crushing equipment.
• Ability to effectively communicate with other workers on site and report any site or equipment issues that may arise to the site foreman.
• Comfortable around large construction machinery and signaling to operators to facilitate alignment, movement, and adjustment of machinery, equipment, and materials.
• Comfortable working in a fast‑paced, safe team environment.

Education And Experience

• Valid driver’s license.
• OSHA 10 certification.
• MSHA certification.
• DOT Certificate.
• MA 2A/1C hoisting license.
• Ability to pass a drug test.
• Minimum of 3–5 years mining and excavation experience.

Physical Requirements

• Frequently lift and carry up to 50 pounds.
• Ability to stand, walk, bend, kneel, climb, and work on uneven terrain throughout the day.
• Ability to enter and exit heavy equipment multiple times daily.
• Ability to work outdoors in all weather conditions, including heat, cold, rain, dust, and noise.
• Must be able to wear required personal protective equipment (PPE).