Minerals Technologies Inc.(MTI) is a leading technology-driven specialty minerals company that develops produces and markets a broad range of mineral and mineral-based products related systems and services. MTI serves a wide range of consumer and industrial markets including household and personal care paper foundry steel construction and environmental solutions around the world. The company reported global sales of $2.1 billion in 2024.

MTI focuses on two major segments Consumer & SpecialtiesandEngineered Solutions.

OurConsumer & Specialties segment includes our Household & Personal Care and Specialty Additives product lines.

OurEngineered Solutions segment includes our High-Temperature Technologies and Environmental & Infrastructure product lines.

MTIis committed to cultivating a diverse and inclusive work environment for all employees. In our offices around the world our differences are respected and valued as essential to MTIs continued growth and innovation. Our goal is to ensure that all employees at MTI experience our workplace as a welcoming and respectful environment where they can achieve their full potential.

What We Offer:

• Competitive pay commensurate with experience
• Health/Dental/Vision plans
• 401k company match
• Life Insurance
• Short Term Disability & Long-Term Disability
• Educational Assistance
• Employee Assistance Plan

Position: Heavy Equipment Operator

Location: Lucerne Valley CA

Compensation: $28.59 - $40.54 per hour

Summary:

The basic purpose of this position is to run all necessary equipment and processes in the quarry operation. In doing so identify color of stone needed drill holes for explosives and assist with blasting process break rocks down to crushable size load trucks with stone transport stone from areas of the quarry and run the stone through the crusher. The Quarry Technician position is a continuum beginning at Quarry Technician and progressing through Quarry Technician 4 as skills are gained. Level is determined through the use of training checklist and the accumulation of points as skills are gained. Employees may be assigned to perform any task for which they have been qualified. Employees may also be assigned to positions for which they are working to become qualified as a portion of the training process. The duties for all grandfathered Quarry production positions also fall within the scope of this job description.

Note: Management reserves the right to assign or reassign duties and responsibilities to this job at any time.

Primary Duties & Responsibilities

Operate water truck to water down quarry roads and plant areas. Operate motor grader to maintain quarry roads. Operate D9 dozer IR DM 45 drill IR ECM 670 drill production Haul Trucks 988 front-end loader 992C front-end loader 992G front-end loader 950 mill loader BobCat Guzzler and Freightliner. Perform all planning initiation and explosives inventory responsibilities associated with blasting. Operate Crusher. Train other employees in the safe operation of any of the equipment.

Other Duties & Responsibilities

Other duties and responsibilities as assigned.

Qualifications/Requirements

The requirements listed in the sections that follow are representative of the knowledge skills and/or abilities required to perform the duties of this job. Reasonable accommodations may be made to enable qualified individuals with disabilities to perform the essential functions (primary duties) of the job.

Knowledge Skills & Abilities: Knowledge of commercial motor vehicles and manufacturing/production processes is preferred. Valid Drivers License required.

While performing the duties of this job an employee is typically required to have the ability to operate monitor and adjust equipment including commercial motor vehicles have manual dexterity use repetitive motions regularly sit stand walk bend reach squat climb and twist select and use appropriate equipment/tools to accomplish job duties read write listen speak and understand English follow all instructions and other oral/written information visually inspect equipment/work area/stone complete paperwork and other documentation accurately identify analyze troubleshoot and solve equipment/work area issues quickly respond to equipment signals/issues keep pace with equipment as needed use judgement to determine where in quarry to obtain needed stone from (based on color and inventory levels) as well as when additional resources are needed to address issues communicate effectively with others record labor distribution information from the work shift in writing be aware of oneself in relation to surrounding equipment and work independently as well as a team with others. Ability to instruct/transfer job information/knowledge to others as well as infrequently lift up to 50 pounds is preferred.

Being under general supervision the employee is expected to be self-directed take initiative and be persistent when appropriate to accomplish necessary duties and keep busy without prompting from the supervisor. Additionally the employee is expected to be adaptable/flexible to changing work assignments coordinate with others learn and memorize procedures have a high level of integrity dependability and self-control to maintain composure prioritize work manage time effectively and efficiently meet established deadlines display a cooperative attitude read understand and follow all company job specific/safety policies/procedures and attend/use all required training.

Education: High school diploma or equivalent required.

Experience: Prior experience is not required. However it is preferred.

Work Hours: Must have ability to work the shift/number of hours in which duties need to be accomplished including overtime holidays and weekends as necessary.

Working Conditions: While performing the duties of this job an employee is regularly exposed to dust loud noise high places and outside weather conditions including very low and/or bright light. Primarily works alone but also as part of a team. Works in close proximity with equipment.

Safety Equipment: Safety equipment typically required while performing the duties of this job include a personal lockout/tagout lock ANSI approved hardhat and safety glasses with sideshields and safety shoes/boots with steel toe protection. Hearing protection is a must during truck driving crushing loading and drilling/blasting operations. Additionally harness and lanyard are required when performing drilling operations (6 feet and higher above the ground without railings). Additional personal protective equipment is available for use if a situation arises where it becomes required or if it is simply desired by the employee.

Safety Training: A new employee hired to perform the duties of this position is to be provided New Employee Training by a qualified individual which consists of eight hours of classroom training and 16 hours of on the job training. It will include but is not limited to the following: forklift/mobile equipment operation and certification/licensing hazard communication hearing conservation respiratory protection electrical safety lock out/tag out personal protective equipment bloodborne pathogens fire fighting/extinguishers machine safety confined spaces reporting of hazardous conditions accidents injuries near-miss and property damage incidents evacuation/emergency procedures first aid back injury prevention and job/work area procedures.

Upon transferring to perform the duties of this position for the first time an employee is to be provided New Task Training by a qualified individual until the employee adequately understands the contents of the training which include job/work area procedures and related topics. Additionally an employee must be provided further training if a job duty/task has changes that will affect the health and safety aspects of that employees position.

Additional refresher safety training may be required as management deems appropriate or as dictated by MSHA/OSHA regulations.