Isamar Siverio
Tampa
Summary
Accounting and finance professional with progressive experience leading a multi-entity operations, ERP optimization, and process improvement initiatives. Strong background in high-volume accounts payable, financial close, reconciliations, an audit readiness, with proven ability to enhance systems, strengthen controls, and drive automation.
Recognized for bridging Accounting and Technology by improving workflows, supporting ERP enhancements, and delivering scalable financial processes with business growth.
Overview
6
6
years of professional experience
Work History
Accounts Payable Manager Multi-Entity Operations
Family Sports Concepts LLC
10.2023 - Current
- Lead end-to-end accounts payable operations across multiple entities, ensuring accuracy, timelines, and strong internal controls
- Manage and optimize AP calendar (check runs, ACH, sales tax, utilities, mont-end close), consistently achieving close within Day 2-4
- Drive process improvements and automation, implementing tools such as SmartConnect and CrunchTime to enhance efficiency
- Partner with Accounting, Operations, and leadership to translate business needs into process and system improvements
- Strengthen internal controls, audit readiness, and documentation practice, supporting compliance and financial integrity
- Overseeing 1099 reporting, vendor compliance (W-9s, COI, licenses), and vendor master data governance
- Lead initiatives to transition vendor to ACH and digital platforms, reducing manual processing and improving payment accuracy
- Support Capex tracking and integration with financial reporting processes
- Contribute to ERP enhancements and system-related initiatives, improving financial data integrity and reporting
Logistics Associate
Nordstrom
11.2023 - Current
- Operated warehouse equipment, including forklifts and pallet jacks, adhering to safety protocols.
- Managed order fulfillment processes to ensure timely and accurate delivery of products.
- Demonstrated adaptability by cross-training in multiple job functions within the fulfillment center.
- Exceeded customer expectations by going above and beyond to ensure fast, accurate, and courteous service throughout the entire fulfillment process.
- Consistently met high standards for cleanliness and organization within the fulfillment center, ensuring an orderly working environment for all team members.
- Implemented process improvements that enhanced workflow efficiency in packaging and shipping operations.
- Conducted quality control checks to verify product accuracy before dispatching orders.
- Collaborated with cross-functional teams to resolve fulfillment issues and optimize service delivery.
- Assisted in the training of new fulfillment associates, sharing best practices and offering support as needed.
- Reviewed order slips, picked products and staged merchandize to be shipped.
- Maintained tidy and clean work areas to promote optimal productivity and safety standards.
- Disposed of damaged or defective items or coordinated returns to vendors for covered items.
- Volunteered to assist with projects, demonstrating willingness to learn new tasks and increase skill levels.
- Collaborated with stock manager to effectively cut down on defective items in storage and in shipments.
Customer Service Cashier
Nordstrom
11.2021 - 10.2023
- Processed customer transactions efficiently using point-of-sale systems.
- Assisted customers with product inquiries and returns, ensuring satisfaction.
- Maintained accurate cash drawer balances through diligent counting and reconciliation.
- Trained new cashiers on operational procedures and customer service standards.
- Collaborated with team members to optimize checkout workflows during peak hours.
- Maintained a clean and organized workspace, promoting a welcoming environment for customers.
- Assisted in training new employees, ensuring they were knowledgeable about company policies and procedures.
Corp Accounts Payable Specialist - Multi-Entity
FSC Franchise Co (via Robert Half)
04.2023 - 09.2023
- Managed AP operations across multiple entities, ensuring timely payments and compliance with internal controls
- Maintained vendor master data and enforced ERP access control within Great Plains
- Transitioned vendors to digital payment platforms, improving efficiency and reducing manual workload
- Supported issue resolution and root-cause analysis of discrepancies, improving process reliability
- Collaborated cross-functionality to enhance workflows, reporting accuracy, and operational efficiency
Senior Accountant- Multi-Entity Recon & Fin Clean
Boley Center (via Robert Half)
10.2022 - 03.2023
- Led reconciliation and clean up of 4+ years of financial data across multiple entities, ensuring audit readiness
- Performed full-cycle general ledger reconciliations (cash, AR, AP, payroll, intercompany, liabilities, deferred revenue, loans)
- Identified discrepancies and implemented corrective actions to strengthen controls and prevent recurrence
- Prepared audit schedules and supporting documentation, improving audit efficiency and compliance
- Partnered cross-functionally to ensure financial accuracy and consistency across departments
Accounts Payable Specialist
American Veterinary Group (via Robert Half)
07.2022 - 09.2022
- Managed high-volume AP operations for 130+ locations processing ~3000 invoices weekly
- Reviewed and reconciled vendor statements impacting COGS and operating expenses
- Processed and audited employee expense reports, ensuring compliance and accurate classification
- Improved vendor communication and discrepancy resolution timelines
Accounting Manager Multi-Entity
Black Rock Bar And Grill
03.2020 - 01.2022
- Oversaw full-cycle accounting operations including AR, AP, payroll, and financial reporting
- Managed month-end close, reconciliations, and financial statements
- Developed budgets and forecast aligned with operational goals
- Implemented internal controls and accounting policies, reducing risk and improving compliance
- Led successful PPP, RRF, and grants applications, ensuring compliance, secure funding and forgiveness
- Coordinated external audit and regulatory compliance
- Successfully open and led multiple business including licensing, documentation and legal
Education
J.D. - Law
Universidad Interamericana De Puerto Rico
Hate Rey, Puerto Rico05.2003
BBA - Accounting
Universidad Interamericana De Puerto Rico
Arecibo, Puerto Rico12.1994
Skills
- ERP Systems (Great Plains, Restaurant365, Integrations)
- Financial Systems & Process Optimization
- Accounts Payable Leadership (High-Volume, Multi-Entity)
- Month-End Close & Reconciliations
- Internal Controls & Audit Readiness
- Financial Reporting & Data Analysis
- Automation & Workflow Improvements
- Vendor Management & Compliance (1099s, W-9s)
- Cross-Functional Collaboration
Languages
Spanish
Native or Bilingual
Timeline
Logistics Associate
Nordstrom
11.2023 - Current
Accounts Payable Manager Multi-Entity Operations
Family Sports Concepts LLC
10.2023 - Current
Corp Accounts Payable Specialist - Multi-Entity
FSC Franchise Co (via Robert Half)
04.2023 - 09.2023
Senior Accountant- Multi-Entity Recon & Fin Clean
Boley Center (via Robert Half)
10.2022 - 03.2023
Accounts Payable Specialist
American Veterinary Group (via Robert Half)
07.2022 - 09.2022
Customer Service Cashier
Nordstrom
11.2021 - 10.2023
Accounting Manager Multi-Entity
Black Rock Bar And Grill
03.2020 - 01.2022
J.D. - Law
Universidad Interamericana De Puerto Rico
BBA - Accounting
Universidad Interamericana De Puerto Rico
Additional Experience
Accounting - Manufacturing, Construction, Government, Franchise, Hospitality, Retail
Professor (Accounting, Math, Criminal Justice) - Universal Technology College of PR, National University College, Instituto de Banca
Paralegal Consultant - Legal research, compliance, documentation