Mine Operator

U.S. Silica Holdings Inc. is a global performance materials company and is a leading producer of commercial silica used in the oil and gas industry and in a wide range of industrial applications. Over its 125-year history, U.S. Silica has developed core competencies in mining, processing, logistics, and materials science that enable it to produce and cost-effectively deliver more than 800 diversified products to customers across our end markets.

U.S. Silica's wholly-owned subsidiaries include EP Minerals and SandBox Logistics™. EP Minerals is an industry leader in the production of products derived from diatomaceous earth, perlite, engineered clays, and non-activated clays. SandBox Logistics™ is a state-of-the-art leader in proppant storage, handling and well-site delivery, and is dedicated to making proppant logistics cleaner, safer, and more efficient. The company has 26 operating mines and processing facilities and two additional exploration stage properties across the United States and is headquartered in Katy, Texas.

ESSENTIAL DUTIES AND RESPONSIBILITIES: 

• Inspect and document work area for safety/environmental concerns.
• Cooperate with other Mine Operators and Utility workers to ensure seamless transition of workflow during breaks, lunches, shift changes, illnesses and vacations.
• Cooperate with the Grinding Process Operator to maintain sufficient quantities of raw ore in the stockpiles to meet crushing/grinding process needs.
• Cooperate with others designated by management to ensure equipment is lubricated and maintained in safe working order.
• Cooperate with supervision and lab personnel taking samples and segregating or blending mined product to maintain sufficient quality.
• Will keep the mine area clean and free of; used maintenance items, spillage and trash.
• Will wear required personal protective equipment (hard hat, safety shoes, safety glasses, gloves, hi-vis, and hearing protection) in designated areas, and adhere to all local, state, federal and U.S. Silica health and safety standards

Operations:

• Start up and shut down the mine.
•  Identify all pieces of equipment in the section.
• Move the stacker conveyor vertically and horizontally.
• Start and stop the mine dewatering system.
• Obtain and enter the correct information into the mine-ops spreadsheet.
• Adjust the pan feeder rate.
• Remove oversize rocks from the pan feeder grate.
• Remove oversize rocks from the jaw crusher.
• Obtain and record all necessary values for equipment, i.e. mobile equipment hours, scale readings, fuel consumptions, etc.
• Sort rock for size.

Operating Maintenance:

• Grease all equipment in the section.
• Tighten the Symons crusher.
• Check and replace Tyler screen panels.
• Maintain proper oil level in the Symons crusher.
• Adjust tension on drive belts for equipment in the section.
• Replace troughing and return idlers.
• Reset exterior electrical disconnects for all equipment in the section

Quality:

• Properly identify and separate good material from waste material.
• Create a good mix of soft and hard material for excellent product quality.

EDUCATION, FUNCTIONAL/TECHNICAL KNOWLEDGE, SKILLS AND ABILITIES: 

• High School Diploma, GED or equivalent.
• No previous mining experience is necessary.
• On the job training will be provided.

U.S. Silica is an equal opportunity employer for all without regard to race, gender, color, religion, national origin, disability or veteran status. U.S. Silica is a smoke- and drug-free workplace.  The above description is intended to capture the essential functions of the job, nature and level of work as of the preparation date.  It is not intended to be an exhaustive list of all duties that may be required of the position.  This job description may be modified at any time with or without notice.