Job Title: Pit / Mining Operator (MSHA-Regulated Site) Part 48
Location: Dewey, AZ
Company: Earth Resources Corporation (ERC)
Reports To: Pit Supervisor
Status: Full-Time, Hourly
Earth Resources Corporation (ERC) is seeking a Mining Machine Operator / Equipment Operator who leads with a mindset of Leadership, Safety, Quality, and Production. As a fast-paced heavy civil and mining contractor, we rely on dedicated professionals who take pride in turning civil development plans into reality.
This is more than an equipment operating role - you will be a key contributor to our custom crushing and aggregate operations, directly impacting material production, project schedules, equipment longevity, and most importantly, the safety of our crews. In our MSHA-regulated environment, success requires discipline, situational awareness, and accountability every day.
Responsibilities
- Operate heavy equipment in a safe, efficient, and production-driven manner to support crushing and aggregate operations.
- Maintain consistent plant feed and manage stockpiles to meet project material demands.
- Perform thorough pre-operational inspections and document equipment conditions in accordance with MSHA and company standards.
- Troubleshoot equipment and plant issues in the field and recognize mechanical, hydraulic, or operational deficiencies early.
- Demonstrate strong mechanical aptitude by identifying abnormal sounds, vibrations, leaks, temperature changes, and performance issues.
- Coordinate with maintenance and supervisors to communicate problems, minimize downtime, and support timely repairs.
- Perform basic preventive maintenance such as fueling, lubricating, cleaning, adjusting, and minor component replacements as assigned.
- Operate with situational awareness around ground personnel, other mobile equipment, and plant operations.
- Follow all MSHA, safety, environmental, and company procedures at all times.
- Maintain housekeeping of equipment, work areas, and stockpile zones.
- Support production needs across multiple sites and adapt to changing operational priorities.
- Work as a team to meet daily production targets while protecting people, equipment, and material quality.
Key Responsibilities
- Operate loaders, excavators, dozers, haul trucks, water trucks, crushers, and screen plants.
- Feed crushing plants to maintain consistent production flow and minimize downtime.
- Perform daily pre-shift and post-shift equipment inspections in accordance with MSHA standards.
- Conduct routine servicing including fueling, greasing, and basic preventative maintenance.
- Maintain safe berms, haul roads, traffic flow, and stockpile organization.
- Identify and report hazardous ground conditions or mechanical concerns immediately.
- Assist with plant setup, tear-down, and relocation when required.
- Participate in daily safety meetings and job hazard analyses (JHAs).
Qualifications & Experience
- Preferred to possess current MSHA Part 48 5000.23
- 2+ years of heavy equipment operation in mining, quarry, or aggregate production preferred
- Experience feeding crushers and working around crushing/screening plants strongly preferred
- Understanding of aggregate production processes and material flow
Compensation
- Competitive hourly wage based on experience
Schedule:
- 10 hour shift
- Monday to Friday
- Overtime
Benefits:
- Health insurance
- Heath Reimbursement Account (HRA)
- Dental insurance
- Vision insurance
- 401(k)
- 401(k) matching
- Life insurance
- Paid time off
- Referral program
- Employee discount
EEOC Employment
ERC is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.
We are an equal opportunity employer and all qualified applicants will receive
consideration for employment without regard to race, color, religion, sex,
national origin, disability status, protected veteran status, or any other
characteristic protected by law.
Honesty, Integrity & Experience
Who we are
Earth Resources is a leading civil construction contractor across Northern Arizona. We efficiently complete complex construction projects in challenging operating environments thanks to our highly qualified team of professionals.
Who We Serve
Earth Resources Corporation provides top of the line equipment, technology, and construction practices to all forms of owners and contractors ranging from governments and municipalities to subdivision developers and commercial property owners.
Why Earth Resources
Our consistent performance, customer satisfaction, and timely delivery of projects has earned the respect of a myriad of owners who seek applaud our reputation in the industry.