Sara O’Leary
Mandeville,LA
Summary
Detail-oriented payroll and HR professional with over 10 years of experience in payroll administration, HR compliance, and client implementation. Expertise in managing high-volume multi-state payrolls, leading onboarding processes, and ensuring regulatory compliance. Recognized for improving operational efficiency and delivering accurate results in fast-paced environments.
Overview
8
8
years of professional experience
1
1
Certification
Work History
Human Resources Payroll & Compliance Administrator
Louisiana Organ Procurement Agency (LOPA)
Covington, LA
08.2024 - Current
- Process bi-weekly payroll for 300+ employees across five pay groups (executive to hourly).
- Ensured legal compliance with federal and state laws while managing LOA, bonuses, weighted OT, shift differentials, and severance to mitigate risk.
- Handled quarterly and year-end reporting, injury/illness compliance, and onboarding processes (I-9, E-Verify, etc.) to maintain operational integrity.
- Support audits, create SOPs, maintain personnel records, and coordinate with CAO.
- Provided support during internal audits to ensure preparedness and accuracy.
- Supported implementation of new payroll systems and procedures to enhance payroll processing accuracy and effectiveness.
- Documented and maintained records necessary for adherence to OSHA compliance standards.
Payroll Administrator II
ADT Solar
Mandeville, LA
08.2022 - 06.2024
- Administer salary and commission payrolls for 1,500+ employees.
- Managed daily terminations, severance, and off-cycle payments to ensure compliance with state laws and minimize legal risks.
- Supported internal audits and addressed employee inquiries to enhance payroll accuracy and employee satisfaction.
- Filed Nevada MBT and ensured accurate data inputs via ADP and Oracle Horizon to maintain regulatory compliance.
Implementation Specialist
Proliant
Atlanta, GA
11.2021 - 08.2022
- Led full-cycle implementation for new payroll clients, including data migration, GL mapping, and tax setup to ensure accurate and timely payroll processing.
- Managed onboarding process by conducting calls, mock payrolls, and system training to facilitate client understanding and system readiness.
- Provided client support during transition from implementation to support, addressing concerns and ensuring successful integration.
Implementation Specialist
Netchex
Covington, LA
01.2021 - 11.2021
- Developed client payroll systems with tax setup, accruals, and direct deposit setup to ensure seamless payroll processing.
- Coordinated with sales and onboarding teams to verify data accuracy and ensure timely readiness for first payroll.
- Worked extensively in Salesforce and Excel.
Project Administrative Assistant
Bayer Crop Science
Luling, LA
08.2019 - 03.2021
- Streamlined turnover documents, contract communications, and system documentation on SharePoint for improved accessibility.
- Scheduled executive meetings and maintained document control to ensure compliance with project standards.
- Coordinated with engineering and quality teams to ensure alignment and efficiency on large-scale construction project.
Payroll Specialist
Crescent Payroll Solutions
Metairie, LA
04.2019 - 08.2019
- Processed payrolls and reconciled tax statements to ensure accurate employee compensation and compliance.
- Managed timecards and third-party payee setup while importing data to streamline payroll operations.
- Process payroll for diverse client accounts using advanced payroll software.
- Maintain accurate employee records and ensure compliance with federal regulations.
- Resolve payroll discrepancies by investigating issues and communicating with clients.
Implementation Specialist / Receptionist
Netchex
Covington, LA
02.2018 - 02.2019
- Managed client onboarding processes for payroll and HR software implementations.
- Provided training sessions for clients on software functionalities and best practices.
- Collaborated with cross-functional teams to streamline project timelines and deliverables.
- Coordinated client implementations and managed front desk operations.
- Managed data entry, mail processing, event setup, and customer interactions.
Education
High School Diploma -
Hahnville High School
Boutte, LA01-2008
Some College (No Degree) - Marketing
University of New Orleans
New Orleans, LASkills
- Multi-state payroll processing
- HR compliance and employee relations
- Payroll systems: ADP, Paylocity, Kronos, Oracle, Netchex, Workday
- HRIS implementation and client onboarding
- Employee onboarding processes
- Time and labor management
- I-9 and E-Verify compliance
- Background checks
- Tax reporting
- Safety procedures and OSHA 300A reporting
- SOP development and audit support
Certification
- 30-Hour OSHA
- Payroll Law
- Business Law
References
Available upon request.
Websites
Timeline
Human Resources Payroll & Compliance Administrator
Louisiana Organ Procurement Agency (LOPA)
08.2024 - Current
Payroll Administrator II
ADT Solar
08.2022 - 06.2024
Implementation Specialist
Proliant
11.2021 - 08.2022
Implementation Specialist
Netchex
01.2021 - 11.2021
Project Administrative Assistant
Bayer Crop Science
08.2019 - 03.2021
Payroll Specialist
Crescent Payroll Solutions
04.2019 - 08.2019
Implementation Specialist / Receptionist
Netchex
02.2018 - 02.2019
High School Diploma -
Hahnville High School
Some College (No Degree) - Marketing
University of New Orleans