Administrative Assistant
About the role
Plains is an industry-leading transportation and midstream provider specializing in transportation, storage, processing and marketing solutions for crude oil, with an extensive network of pipeline transportation, terminalling, storage and gathering assets in key oil producing basins and transportation corridors and at major market hubs in the United States and Canada, headquartered in Houston, Texas. The company seeks passionate self‑starters who thrive in fast‑moving, collaborative, and innovative environments. Plains is looking for an organized and adaptable Administrative Assistant to join the South Texas Trucking group in Three Rivers, Texas, reporting to the district manager. This role offers variety and challenge (no two days are the same), direct impact on managers and teams, opportunities for growth in reporting, compliance, and coordination, and eligibility for company benefits including medical/dental/prescription/vision, 401(k) plan, paid time off, and other programs.
Responsibilities
- Prepare and organize reports for budget forecasting, volume tracking, overtime, and other operational needs.
- Manage office correspondence, process invoices, and maintain accurate filing systems.
- Order equipment and supplies to keep operations running smoothly.
- Maintain safety handbooks and assist with compliance assurance.
- Ensure timesheets are accurate and submitted on time.
- Coordinate employee training schedules and travel arrangements.
- Serve as a welcoming point of contact at Reception when needed and route calls appropriately.
- Support facility upkeep and assist with special projects as assigned.
Requirements
- High School Diploma or equivalent.
- Minimum 2 years in an administrative or office support role.
- Valid driver’s license with a clean abstract.
- Ability to pass background checks and comply with drug and alcohol policy, including pre‑employment D&A testing.
- Satisfactory professional references.