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Administrative Assistant Sr

US Silica
  • Pacific, MO
  • Autofill and Review
11 days ago

Job Description

JobID: 676

Category: General Administration

JobSchedule: Full time

Posted Date: 2026-10-29T13:49:02+00:00

JobShift: Day

:

  • Coordinate cross-functional communication among Operations, Maintenance, EHS and the Plant Manager; ensure priorities, decisions, owners and deadlines are clearly documented and communicated.

  • Organize and distribute daily DDS meeting notes, action registers, status updates and shift or departmental communications; maintain timely and accurate PIMS administrative records and follow-up visibility.

  • Develop and maintain simple, consistent plant communication tools, shared trackers, calendars and reporting routines that help teams work in unison.

  • Collect updates from accountable department owners, identify missing information or overdue actions, and elevate unresolved gaps to the appropriate manager or Plant Manager.

  • Coordinate meetings, site visits, training, employee events and cross-department initiatives; prepare agendas, materials and action summaries.

  • Provide administrative and project coordination so department managers can prioritize field presence, safety, reliability and production performance.

  • Serve as primary plant administrative contact for payroll support, timekeeping, attendance, PTO, union dues, employee records and routine HR coordination, in partnership with HR.

  • Coordinate hourly recruiting logistics, onboarding, employee changes, benefits communications, required reporting and employee engagement activities.

  • Support purchasing and accounting processes: requisitions, open purchase orders, invoices, check requests, accrual support and vendor documentation; maintain accurate trackers and communicate exceptions.

  • Coordinate plant reporting and information flow for product inventory, daily production and downtime, storeroom receiving discrepancies, customer service and logistics as assigned.

  • Maintain organized electronic records, standard work instructions, office supplies, visitor/vendor reception, mail, shipping and Concur assistance.

  • Identify recurring administrative inefficiencies and recommend practical improvements; standardize routine tasks for continuity and future delegation.

  • Handle confidential employee, operational and business information appropriately; refer decisions and sensitive matters to the authorized manager or HR.

  • Additional duties as assigned

  • 3+ years of progressively responsible administrative, operations support or coordination experience; manufacturing or industrial experience preferred.

  • Demonstrated ability to coordinate across functions, organize competing priorities, maintain accurate records and follow through without direct supervisory authority.

  • Strong written and verbal communication, sound judgment, discretion, initiative and ability to escalate issues appropriately.

  • Proficiency with Microsoft Excel, Word, Outlook and PowerPoint; ability to learn payroll, purchasing, reporting and plant action-tracking systems.

  • Experience supporting payroll, HR, purchasing, reporting or continuous improvement preferred; ability to simplify workflows and document standard processes.

Numbers & Facts

LocationPacific, MO
IndustryOther/Not Classified
Company Size1,000 to 1,499 employees
Websitehttp://www.ussilica.com/

About Company

The Premier Silica Sand Provider for Today and Tomorrow

U.S. Silica is a leading silica sand supplier with a focus on performance materials that are essential to modern living. Our state-of-the-art offerings are used in variety of Industries and Applications.

  • Oil and gas wells are more productive because our high-quality proppants improve flow rates and recovery from unconventional wells
  • Wind-powered and solar energy are more economical due to cost-effective manufacturing
  • Paints and coatings are more durable because of the quality of our crystal structure
  • Geothermal wells are more efficient due to improved heat transfer
  • Electronic devices are more scratch resistant because of the specially sized sand we offer
  • High-performance metal parts are more uniform because of our strict product and quality control

At U.S. Silica, our devotion to remaining on the cutting edge of technology helps improve the quality of every day - at home, at work and at play.

Skills

  • Accounting Policiesunmatched
  • Administrative Skillsunmatched
  • Billingunmatched
  • Check Processingunmatched
  • Communication Skillsunmatched
  • Continuous Improvementunmatched
  • Cross-Functionalunmatched
  • Customer Support/Serviceunmatched
  • Documentation Standardsunmatched
  • Employee Benefitsunmatched
  • Establish Prioritiesunmatched
  • Follow Throughunmatched
  • Logisticsunmatched
  • Manufacturingunmatched
  • Meeting Minutesunmatched
  • Microsoft Excelunmatched
  • Microsoft Outlookunmatched
  • Microsoft PowerPointunmatched
  • Microsoft Wordunmatched
  • Onboardingunmatched
  • Operational Communicationsunmatched
  • Operational Supportunmatched
  • Organizational Skillsunmatched
  • Payroll Administrationunmatched
  • Plan Meetingsunmatched
  • Plant Managementunmatched
  • Presentation/Verbal Skillsunmatched
  • Project/Program Coordinationunmatched
  • Protocol Independent Multicast (PIM)unmatched
  • Purchase Ordersunmatched
  • Purchasing/Procurementunmatched
  • Record Keepingunmatched
  • Records Managementunmatched
  • Shipping/Receivingunmatched
  • Staff Trainingunmatched
  • Support Documentationunmatched
  • Time Managementunmatched
  • Workflow Analysisunmatched
  • Writing Skillsunmatched

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