Quality Control Lab Technician

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 124-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.

Shift Supervisor will be a key role Supervising the overall day to day, performance, coordination, management of production, of the specified mining shift to assist in obtaining safety, productivity, efficiency, quality, service, and profitability for the organization.

Job Purpose:

The Quality Control Laboratory Technician is responsible for conducting routine and non-routine analytical testing of raw materials and finished products to ensure compliance with quality standards and/or company specifications. The role involves sample preparation, instrumental analysis (e.g., ICP-MS, XRF, XRD), data recording and reporting the result, updating standard operating procedures (SOPs), and maintaining lab equipment and instruments. The ideal candidate is detail-oriented and demonstrates strong proficient in safety compliance and both written and verbal communication. This position offers opportunities for professional development and career development within the company.

Essential Job Functions:

• Sample Preparation
• Perform preparation of routine and non-routine samples in accordance with established protocols and quality standards.
• Instrumental Analysis
• Operate and maintain analytical instruments such as ICP-MS, XRF, and XRD while following standard operating procedures (SOPs) and adhering to all safety protocols.
• Data and Result Management
• Accurately record test results, generate QC reports, and flag any deviations from specifications. Assist with data trend analysis and support implementation of corrective actions when necessary.
• Maintain a safe and clean workplace environment (5S and housekeeping)
• Manage preventative maintenance: Analytical instruments, ICPMS and XRF/XRD.
• Participates in SOP writing and updating
• Maintaining consumable inventories of analytical instruments, chemicals, water system, gas, etc.
• Troubleshoot analytical instrument issues
• Additional duties as assigned

Education, Experience, Knowledge, Skills & Abilities:

• Associate/Bachelors' Degree in science or related field
• A minimum of one year lab experience in an industrial setting is required, experience in a quality control (QC) laboratory is preferred.
• Relevant QC lab experience with instruments such as ICPMS, XRF, or XRD may be considered an equivalent substitute for a formal degree
• The ideal candidate should have experience operating/maintaining/troubleshoot lab instruments
• Strong verbal and written communication skills
• Knowledge and experience with safe industrial laboratory procedures including chemical handling, storage and waste management
• Eager to learn about new technologies of lab equipment or instruments
• Proficient in MS-office and email
• Experience with LIMS is a plus

U.S. Silica is an equal opportunity employer for all without regard to race, gender, color, religion, national origin, disability, veteran status, or any other characteristic protected by applicable federal, state, or local law. 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.