Antonio Serrano, CPP, PHR
Payroll Professional
Orlando,FL
Summary
A payroll professional with 10 years of experience managing payroll operations domestically and internationally. Great attention to detail and a history of high accuracy with a solid background in payroll, accounting, human resources, and benefits. Extensive knowledge of Federal, State, and Local taxation policies and tax procedures. Successfully completed 10 payroll implementations. Accomplish multi-state, weekly, bi-weekly, semi-monthly, and monthly payroll processing for over 5,000 employees.
Overview
13
13
years of professional experience
1
1
Language
Work History
Senior Payroll Consultant
Beacon Hill
Orlando, FL
11.2024 - Current
- Implemented ADP Workforce Now payroll software for January 1, 2025, Go-Live, ensuring a seamless transition and efficient payroll processing.
- Configured ADP Smart Compliance and set up 35 new state tax account numbers, optimizing tax reporting and regulatory compliance for the organization.
- Established new employer state registrations, state tax accounts, and compliance accounts for various state taxes, benefits, enhancing organizational compliance/accuracy in payroll operations.
- Senior Payroll Consultant @ HRIA (100% Remote)
- Provided expert consultation to clients on complex payroll matters, offering tailored solutions to meet their unique needs.
Payroll Consultant
Cypress
Orlando, FL
09.2025 - 01.2026
- Researching and resolving large volume of delinquent/non-compliance/amounts due state tax notices; due to company closures and acquisitions during 2018 - 2025 tax years.
- Reestablishing employer withholding & unemployment website tax accounts in 48 states and bring all tax accounts into compliance and back to good account standing status.
- Assist with implementation process to new HCM platform for 01/01/2026 Go-Live-Date.
- Resolved and saved 1.2 million state tax fees, penalties, and outstanding tax amounts due for prior years/quarters.
- Payroll Consultant @ Sympler Software (100% Remote)
Payroll Consultant
Robert Half
Orlando, FL
06.2024 - 08.2024
- Governed 3 company entities with remote employees working in 49 states on ADP Workforce Now.
- Researching and resolving large volume of delinquent/non-compliance/amount due state tax notices; due to mergers, acquisitions during 2022, 2023, and 2024 tax years on ADP Smart Compliance.
- Clean/fix tax fallouts, create state registrations, working with ADP Smart Compliance setting up new state tax codes.
- Aided payroll team with payroll processing, audit reports, and on-boarding new hires into ADP software platform.
- Payroll Consultant @ Personify Health (100% Remote)
Payroll Consultant
HRQ Inc.
08.2023 - 05.2024
- Oversee 15 company entities with remote employees in 45 states on UKG Pro payroll software.
- Provided support to Payroll, Treasury, and Human Resources departments.
- Researching and resolving large volume of delinquent/non-compliance/amount due state tax notices; due to mergers, acquisitions during 2020, 2021, 2022, 2023, and 2024 tax years.
- Clean/fix tax fallouts, create state registrations, working with UKG Tax Payment Services, set up new state tax codes.
- Resolved and saved 1.5 million state tax fees, penalties, and outstanding tax amounts due for prior years/quarters.
- Payroll Consultant @ IMA Financial Group (100% Remote)
Payroll Consultant
Robert Half
06.2023 - 08.2023
- Managed 10 company entities with remote employees working in 49 states on Workday payroll software.
- Clean/fix tax fallouts, create state registrations, working with ADP Smart Compliance.
- Resolved and saved over 200k of state tax fees, penalties, and outstanding tax amounts due for prior years/quarters.
- Researching/resolving large volume of delinquent/non-compliance/ state tax notices; due to mergers, acquisitions during 2022 & 2023 tax years.
- Payroll Consultant @ Robinhood (100% Remote)
Payroll Manager
Payroll Manager @ Ardurra
02.2022 - 05.2023
- Administered/processed payrolls for 12 separate pay groups in Deltek, UKG Pro, and Deltek Vantagepoint, Paychex.
- Successfully added 3 new pay groups into UltiPro for a 1/1/2023 payroll Go- Live- Date, 1,500 employees.
- Monthly reconciliations of all company employee benefit provider invoices (medical, dental, vision, life, legal).
- Managed 3 company entities with remote employees working into our UKG Pro payroll system.
- Maximized prompt processing times of new hires, transfers, temporary employees, promotions, and terminations.
- Prepare quarterly, yearly, weekly reports; ensure compliance with applicable laws and payroll tax obligations.
- Payroll Manager (100% Remote)
Payroll Consultant
Robert Half Finance & Accounting
09.2021 - 12.2021
- Start- up company, enter all employees into HRIS system – BambooHR. Creating new hire account profiles, uploading offer letters, stock options, compensation, verifying data integrity, and running payroll and HR reports.
- Onboarded international employees in UK, Brazil, India, Mexico, Costa Rica, Canada, and Argentina into the international payroll, benefits, and compliance system. Using Google docs and Slack as main communication tools.
- Evaluated and approved contractor invoices and process special pay calculations converting into foreign currencies.
- Onboarded US employees into the domestic US payroll platform – Justworks. Process bonus payments, expense reimbursements, off-cycle payrolls, severance, retroactive pay, and miscellaneous non-taxable items for 500 EE’s.
- Payroll Consultant @ Jeeves (100% Remote)
Payroll Implementation Specialist Consultant
Polaris Financial Staffing
07.2021 - 09.2021
- Provided consulting assistance with UKG Pro implementation and hands-on support for payroll operations.
- Systematized User Acceptance Testing of payroll runs before “Go Live” production, analysis of Master File data and reconciliation of data legacy system – Paylocity to UKG Pro for 2,000 employees.
- Corrected 2021 quarter 1, 2, & 3, employees taxed in incorrect Indiana local; correcting their UKG local tax setup profile, reversing all checks in each quarter, then re-entering each check with their corrected Indiana local tax.
- Audited over 300 Indiana employee local tax setup in 2020 and identified needed corrections on their 2020 W-2’s.
- Payroll Implementation Specialist Consultant @ Everside Health (100% Remote)
Payroll Manager
Anser Advisory Management LLC
07.2020 - 07.2021
- Managed entire payroll process for 6 separate bi-weekly payrolls on Deltek Time Keeping and ADP Workforce Now.
- Provided support for Quarter/Year-end process and audits as requested by business units and HR/Finance.
- Successfully completed payroll implementation from Paychex to ADP Workforce Now for start of 2021 calendar year.
- Processed garnishments, bonuses, retroactive adjustments, direct deposits, establish new state tax adjudications/localities.
- Supervised ADP SMART Compliance, creating new state/unemployment registrations, resolving all state tax notices.
- Payroll Manager (100% Remote)
Interim Payroll Director/Payroll Implementation Consultant
Robert Half Finance & Accounting
04.2020 - 09.2020
- Contracted by Robert Half to provide consulting assistance with UKG Ready implementation at Confluent.
- Provided hand-on support to entire payroll team, training them to utilize new UKG Ready software.
- Executed Parallel testing for 23 different pay groups, earnings, taxes, benefit deductions, and state tax jurisdictions.
- Accomplished User acceptance testing of payroll runs before “Go Live” production, analysis of Master File data and reconciliation of data legacy systems from Kronos to UKG Ready for 1,000 employees.
- Interim Payroll Director/Payroll Implementation Consultant @ Confluent (100% Remote)
Payroll Director
Orangetheory Fitness
07.2016 - 04.2020
- Payroll Director for start-up company, overseeing all payroll functions for 600 bi-weekly multi-state payrolls; responsible for coordinating directing, and controlling all payroll preparation, processing, and distribution. Supervised and coordinated all activities of payroll staff; managed payroll workload to meet operational and business requirements.
- Supervised and led the implementation of a new payroll system from ADP PEO to Ultimate Software (UKG); accomplishing fully completed payroll conversion to UKG in 4 months; in coordination with the start of new 2017 year.
- Executed conversion to physical time clocks, web-based system for 40 locations to new UKG Time Keeping system.
- Reduced departmental payroll errors from 30% per payroll to less than 1% for the past 48 months.
- Facilitated the company from 85 salary and hourly employees to 600 without adding staff to my department and continuous process improvement through root-cause analysis and providing Human Resource/Finance support.
- Strategically supply continuous improvements to the payroll process by analyzing trends and presenting recommendations to senior leadership and management.
- Payroll Director
Senior Payroll Administrator
TekPartners
06.2015 - 05.2016
- Citrix is a multinational global software company with operations in US and Latin America; that provides server, application and desktop virtualization, networking, software as-a-service (SaaS), and cloud computing technologies. Working in the payroll department, supplying superior support to entire payroll team and excellent customer service to employees.
- Processed multi-state, international semi-monthly & bi-weekly payroll on ADP PayForce/SAP 7.3 for over 5,000 employees: in 35 US states and 4 different countries.
- Implementation Workday software; converting from SAP/ADP to Workday HCM software for US/global employees.
- Assisted the Payroll Manger in supporting the new Workday HCM Payroll processing and Time Tracking System.
- Meticulous review and testing upgrades to determine the functionality associated with each system change in Workday Payroll.
- Senior Payroll Administrator @ Citrix Systems, Inc.
Payroll Manager
Silver Airways Corp
08.2013 - 04.2015
- Managing the entire payroll department in the aviation industry, supervising a staff of four, responsible for overseeing weekly, bi-weekly, semi-monthly, and monthly multi-state union/non-union payrolls for over 1,500 employees; utilizing ADP Workforce Now, ADP Time & Attendance, HRB; and international payroll for 200 employees is the Bahamas.
- Converted the entire payroll check process to paperless checks, successfully obtaining 98% direct deposit enrollment
- Implemented never used before ADP features like ADP iPay, ADP Mobile App and Manager PTO approval process.
- Designed universal electronic timesheet for company’s corporate and remote hourly paid employees.
- Pioneered payroll policies & procedures and ensure compliance with internal control processes and confidentiality.
- Payroll processing through ADP for 200 employees in Bahamas and provide international operational support.
- Harmonized International Payroll strategy and drive decision-making around ADP WFN platform/technology tools.
- Payroll Manager
Education
B.A. - Human Resources Development
Northeastern Illinois University
Chicago, ILSkills
- Kronos Time Attendance
- ADP Workforce Now
- ADP Total Source - PEO
- ADP Infolink G/L Interface
- UKG – Ultimate Software
- Workday HCM
- Implementation Paylocity to Ultimate Kronos Group
- Implementation Kronos to Ultimate Software
- Implementation ADP to Peoplesoft
- Implementation Paychex to ADP Workforce Now
- Implementation SAP/ADP to Workday HCM
- Implementation ADP PEO to Ultimate Software
- ADP Smart Tax Compliance
- Paylocity
- ADP Enterprise
- ADP Time & Attendance
- UKG Pro/Dimensions/Ready
- ADP HR/Profile
- SOX Payroll Compliance
- Payroll software expertise
- Tax regulations
- Employee benefits administration
- Payroll auditing
- Multi-state payroll
- Confidentiality
- Garnishment processing
- Payroll compliance
Core Competencies and Career Overview
- Payroll, Benefit and Software Implementation
- Managed high-volume payrolls for over 5,000 employees, taxes, salary changes, garnishments, promotions, bonuses, commissions, severance, vacation, PTO accruals, G/L, W-2, reconciliations, audits, 401(k), and year-end processing.
- Benefit administration of confidential payroll & benefits records, 401(k) administrations; union benefit fund remittances, vacation/sick/PTO, payroll benefit deductions; as well as finalizing year-end reports, such as GTL, Taxable Fringe Benefits, Gross Up Bonus Pay, and Third-Party Sick Pay, reconciliations of all monthly benefit invoices and third-party payments.
- Successfully completed 10 separate payroll implementation projects: ADP to Peoplesoft, ADP to Workday, and ADP to Ultimate Software/UKG Pro. Led as Project Manager converting to new payroll platform UKG in record time, 4 months.
- Performance Optimization & International Payroll Processing
- Pioneered the company’s first direct deposit services, transferring 98% of company employees to a new streamline process.
- Increased on-time payroll submissions to 100% by proactively communicating with department managers and employees.
- Managed complex payroll taxation arrangements for international remote work arrangements and country registrations.
- Onboarding all international employees to third-party payroll provider platform on a prompt basis to the country’s foreign currencies and payment/tax rules: Bahamas, Canada, UK, Colombia, Brazil, Mexico, Costa Rica, Argentina, India
Timeline
Payroll Consultant
Cypress
09.2025 - 01.2026
Senior Payroll Consultant
Beacon Hill
11.2024 - Current
Payroll Consultant
Robert Half
06.2024 - 08.2024
Payroll Consultant
HRQ Inc.
08.2023 - 05.2024
Payroll Consultant
Robert Half
06.2023 - 08.2023
Payroll Manager
Payroll Manager @ Ardurra
02.2022 - 05.2023
Payroll Consultant
Robert Half Finance & Accounting
09.2021 - 12.2021
Payroll Implementation Specialist Consultant
Polaris Financial Staffing
07.2021 - 09.2021
Payroll Manager
Anser Advisory Management LLC
07.2020 - 07.2021
Interim Payroll Director/Payroll Implementation Consultant
Robert Half Finance & Accounting
04.2020 - 09.2020
Payroll Director
Orangetheory Fitness
07.2016 - 04.2020
Senior Payroll Administrator
TekPartners
06.2015 - 05.2016
Payroll Manager
Silver Airways Corp
08.2013 - 04.2015
B.A. - Human Resources Development
Northeastern Illinois University