About Onyx Corporation

Onyx Corporation is a family-owned construction company based in Acton, Massachusetts, specializing in heavy civil construction, excavation, landscape construction, and construction materials. With a commitment to quality workmanship, safety, and customer satisfaction, Onyx takes pride in delivering projects that make a lasting impact on the communities it serves.

Through its Excavation, Landscape Construction, and Materials divisions, Onyx provides a wide range of services and expertise to support projects throughout the region. Our team combines industry knowledge, skilled employees, modern equipment, and a hands-on approach to get the job done safely and efficiently.

As a family-owned company, Onyx values its people and recognizes that our employees are the foundation of our success. We strive to foster a collaborative, team-oriented work environment where employees are respected, supported, and given opportunities to grow and develop their careers.

At Onyx, we believe in working together, taking pride in what we do, and building a company where people want to work and grow.

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).

Why Join Onyx?

At Onyx Corporation, we believe our people are our greatest asset. We offer the opportunity to be part of a team that values hard work, collaboration, safety, and professional growth. Whether you're building your career or bringing years of industry experience, you'll have the opportunity to make a meaningful contribution and be part of something bigger.

Equal Employment Opportunity

Onyx Corporation is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all employees and applicants and do not discriminate based on any legally protected status or characteristic.

Join the Onyx Team!

If you're looking for an opportunity to grow your skills, take pride in your work, and contribute to a team that gets the job done, we'd like to hear from you.