Office Administrator

U.S. Silica Holdings Inc. is a global performance materials company and is a member of the Russell 2000. The company is a leading producer of commercial silica used in the oil and gas industry and in a wide range of industrial applications. Over its 123-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 600 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 27 operating mines and processing facilities and two additional exploration stage properties across the United States and is headquartered in Katy, Texas.

The Office Administrator will support the Pacific Plant in administrative, human resources and customer service functions.

Essential Job Functions:

• Primary plant payroll contact, provides support with tracking and ensuring the accuracy of paid time off benefits, employee attendance records, union dues, weekly timesheets, etc.
• Oversees and manages hourly employee recruiting and onboarding process, ensuring new employees have a positive experience
• Responsible for various employee reporting processes including headcount, manhours, union reports, seniority list, etc.
• Provides on-site administrative support for various stages of the hourly employee life cycle including benefits open enrollment, terminations, job changes, etc.
• Facilitates staffing of temporary employees as needed
• Fosters a positive plant culture and ensures significant employee relations issues are communicated to the Regional HR Manager
• Promotes positive employee engagement by facilitating on-site events, local community outreach, employee newsletters, etc.
• Storeroom upkeep – receives inventory into the system and collaborates with Maintenance Planner to resolve issues with packing slips
• Product Inventory – collaborates with employees and management to maintain and distribute daily bagged product inventory. Creates and submits daily production and downtime report
• Accounting/Purchasing – Processes and sends check requests and vendor invoices to AP shared services. Assists with month-end reporting, accruals, audits etc. Generates and distributes the open PO report. Maintains accuracy of open POs and enters requisitions
• Processing customer invoices, processing freight invoices, scheduling shipments, etc.
• Records and distributes daily DDS meeting minutes
• Ensures that plant guests/vendors are greeted and directed to the appropriate contact upon arrival
• Facilitates incoming/outgoing mail and shipments via USPS or other carrier
• Oversees the office supply inventory and ensures the stock is kept at appropriate levels and fulfills special requests from the plant management team
• Provides on-site Concur support to the team as needed

Required Education, Experience, and Skills: 

• High School Diploma

• 5+ years of experience in administrative and customer support roles

• Proficiency in MS Office

• Ability to maintain strict confidentiality

• Manufacturing experience a plus

• HR experience 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.