Summary
Overview
Work History
Education
Skills
Technical And Software Skills
Timeline
Generic

Sandra Stromile

Houston

Summary

Results-driven Billing Specialist III with expertise in ERP systems and financial reconciliation at Sooner Pipeline. Proven track record in resolving discrepancies and enhancing compliance. Strong communication skills complemented by data analysis proficiency, ensuring accurate invoicing and vendor management. Successfully managed accounts payable processes, contributing to streamlined operations and improved financial accuracy.

Overview

19
19
years of professional experience

Work History

Billing Specialist III

Sooner Pipeline
Houston
12.2023 - Current
  • Performed day-to-day accounts receivable activities, including posting AR/AP activity in Oracle and ERP systems.
  • Managed invoicing workflows, monitored operations, and maintained effective communication with vendors and stakeholders.
  • Investigated and resolved discrepancies in invoices and vendor payments, ensuring proper GL coding for compliance.
  • Reconciled vendor accounts and maintained detailed financial records.

Account Specialist III

Veteran Enterprise Technology Services LLC (VETS)
Houston
03.2020 - 12.2023
  • Supported NASA Human Spaceflight Programs by managing and validating data through CM tools.
  • Processed and tracked change requests (CRs), ensuring compliance with established data quality and standards.
  • Maintained procedures, provided monthly metrics, and supported special projects and board meetings.
  • Developed and published meeting minutes, ensuring alignment with organizational objectives.

Accounts Payable Specialist III

Marathon Oil Corporation
Houston
03.2013 - 03.2020
  • Managed accounts payable and receivable transactions, including journal entries and vendor setups.
  • Reconciled general ledger accounts and fluid volumes, providing monthly discrepancy reports.
  • Utilized SAP, Oracle, and Excel for financial data analysis, including pivot tables and VLOOKUP.
  • Collaborated with finance and operations teams to resolve billing issues and maintain compliance.

Assistant Project Manager, Configuration Management

United Space Alliance (USA)
Houston
03.2006 - 12.2012
  • Coordinated administrative submittals, project schedules, and change request pricing.
  • Established configuration controls and facilitated Change Control Board processes.
  • Managed a team of 14 employees, achieving compliance with configuration management processes.
  • Oversaw general ledger account reconciliations and documented project performance metrics.

Education

Bachelor of Science - Business Administration

Lamar University/University of Phoenix

Associate Degree - Business Management and Business Administration

College of the Mainland

Skills

  • ERP systems expertise
  • Financial reconciliation
  • Payroll processes
  • General ledger management
  • Compliance and regulation
  • Data analysis
  • Spreadsheet development
  • Communication skills
  • Accounts receivable management
  • Invoice processing

Technical And Software Skills

  • Advanced proficiency: SAP, Oracle, QuickBooks, SCADA, WellView, ResWare, Ramquest, Microsoft Excel (including advanced formulas and VLOOKUP).
  • Payroll systems knowledge: Frontline ERP, journal entry preparation, and reconciliation processes.
  • Expertise in GAAP, FASRG, and compliance standards for payroll, benefits, and financial reconciliation.

Timeline

Billing Specialist III

Sooner Pipeline
12.2023 - Current

Account Specialist III

Veteran Enterprise Technology Services LLC (VETS)
03.2020 - 12.2023

Accounts Payable Specialist III

Marathon Oil Corporation
03.2013 - 03.2020

Assistant Project Manager, Configuration Management

United Space Alliance (USA)
03.2006 - 12.2012

Bachelor of Science - Business Administration

Lamar University/University of Phoenix

Associate Degree - Business Management and Business Administration

College of the Mainland

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