MIRZA JIMENEZ
Houston
Summary
Billing professional with over 8 years of experience in high-volume billing and complex client arrangements. Expertise in invoice finalization, e-billing compliance, and billing revisions. Proven track record of collaborating with client-facing teams to achieve billing targets while maintaining accuracy and discretion throughout the billing lifecycle.
Overview
11
11
years of professional experience
Work History
Billing Lead
ABM Industries
Houston
05.2022 - Current
- Manage the full billing process for a portfolio of high-revenue clients, overseeing unbilled inventory, billed invoices, and revisions.
- Prepare, review, and finalize 600+ invoices monthly, including invoices with complex arrangements, client-specific terms, and discounts.
- Maintain detailed knowledge of client billing requirements and ensure guidelines are documented, current, and consistently followed.
- Identify and resolve e-billing issues, including rejected invoices and missing or incorrect billing information, prior to submission.
- Partner with internal stakeholders to obtain approvals and required billing details in a timely manner.
- Perform pre-bill and post-bill reviews, revising invoices as necessary to ensure accuracy and compliance.
- Analyze aged balances and make recommendations regarding invoice adjustments and write-offs.
- Prepare billing reports supporting revenue goals and billing targets.
- Maintain accurate billing codes, contract details, and estimated bill dates within billing systems.
- Train and support billing staff on processes, systems, and compliance standards.
Accounts Payable Specialist
ABM Industries
Houston
12.2018 - 05.2022
- Processed high-volume invoices with strict adherence to internal policies and approval requirements.
- Assisted with internal audits and discrepancy analysis.
- Resolved billing disputes through collaboration with vendors and internal teams.
- Improved payment timelines by reorganizing processes and reducing aged balances.
Accounts Receivable Lead
Goya Foods of Texas
Brookshire
05.2017 - 10.2018
- Managed billed invoices requiring follow-up, correction, or collection.
- Supervised payment posting, reconciliations, and reporting.
- Communicated with clients regarding outstanding balances and payment arrangements.
- Trained team members on billing procedures and documentation standards.
Accounting Assistant
Spectracell Laboratories
Houston
05.2016 - 04.2017
- Maintained electronic filing systems for confidential billing records.
- Assisted billing and accounting departments with audits and reconciliations.
- Supported payroll processing and financial reporting.
Accounts Receivable Manager
Global Compressor
Houston
06.2015 - 05.2016
- Oversaw invoicing, payment processing, and accounts receivable reconciliations.
- Researched and corrected billing errors to maintain accurate customer balances.
- Coordinated with purchasing and shipping teams to ensure accurate invoice charges.
Education
BBA - Supply Chain Management
University of Houston-Downtown
HoustonSkills
- Billing coordination and management
- Inventory oversight
- Complex billing arrangements
- E-billing systems
- Proforma invoicing
- Invoice revisions
- Final invoice processing
- Write-off analysis
- Aged balance review
- Billing accuracy assurance
- Deadline management
- Client and stakeholder collaboration
- Confidential financial handling
Systems And Tools
- E-Billing Portals
- Invoicing
- Oracle Financials
- JD Edwards
- Coupa
- Microsoft Excel (VLOOKUP, Pivot Tables)
Timeline
Billing Lead
ABM Industries
05.2022 - Current
Accounts Payable Specialist
ABM Industries
12.2018 - 05.2022
Accounts Receivable Lead
Goya Foods of Texas
05.2017 - 10.2018
Accounting Assistant
Spectracell Laboratories
05.2016 - 04.2017
Accounts Receivable Manager
Global Compressor
06.2015 - 05.2016
BBA - Supply Chain Management
University of Houston-Downtown