Summary
Overview
Work History
Education
Skills
Languages
Timeline
Generic

Joanna L Castro

Mansfield

Summary

Resourceful HR and payroll associate experienced in employee onboarding and benefits administration. Known for strong time management and problem-solving skills, contributing to a positive workplace culture and ensuring compliance with regulations.


Organized and dependable candidate successful at managing multiple priorities with a positive attitude. Willingness to take on added responsibilities to meet team goals.


Known for adaptability, creativity, and results-oriented mindset. Committed to making meaningful contributions and advancing organizational goals.


Attention to detail and extremely efficient in logistics for executive business trips, meetings, and company events, from lodging, to travel, to organizing company parties, and so many other tasks.

Overview

11
11
years of professional experience

Work History

HR Associate and Payroll Associate

Castro & Co LLC / AiTax.Com
10.2014 - 12.2025
  • Managed employee onboarding processes and documentation for new hires.
  • Developed and maintained HR databases for accurate record-keeping and reporting.
  • Assisted in administering benefits programs, ensuring compliance with policies and regulations.
  • Contributed towards shaping company culture by actively participating in staff appreciation events, recognition programs, and team-building activities.
  • Filed paperwork, sorted, and delivered mail and maintained office organization.
  • Created and completed personnel action forms for hires, terminations, title changes and terminations.
  • Ensured accurate tax withholdings and compliance with federal and state regulations.
  • Managed garnishments, deductions, and benefit withholdings accurately to maintain compliance with regulations.
  • Ensured timely payments for employees through meticulous monitoring of deadlines and submission schedules.


Executive Administrative Assistant

Castro &Co LLC
10.2014 - 12.2023
  • Managed executive schedules, ensuring efficient time allocation and prioritization of tasks.
  • Coordinated high-level meetings, including logistics, agendas, and follow-up actions.
  • Developed and maintained filing systems for confidential documents and correspondence.
  • Streamlined office operations by implementing new administrative processes and procedures.
  • Assisted in project management by tracking deadlines, deliverables, and resource allocation.
  • Coordinated and booked airfare, hotel and ground transportation and prepared itinerary to facilitate successful business trips for executives.
  • Managed inventory levels for office supplies, reducing waste while guaranteeing availability when needed.
  • Managed budgets and expenses, maintaining financial records for accurate reporting and analysis.
  • Processed travel expenses and reimbursements for executive team and senior management group.

Education

Bachelor of Science - Sociology And Psychology

University of New Mexico
Albuquerque, NM
05-2013

Skills

  • Microsoft office
  • Benefits administration
  • Organizational development
  • Payroll processing
  • Employee recognition
  • Recruitment management
  • Workforce planning
  • Team player
  • Office administration
  • Compensation/payroll
  • Problem-solving
  • Time management
  • Willingness to learn

Languages

English
Native or Bilingual
Spanish
Native or Bilingual

Timeline

HR Associate and Payroll Associate

Castro & Co LLC / AiTax.Com
10.2014 - 12.2025

Executive Administrative Assistant

Castro &Co LLC
10.2014 - 12.2023

Bachelor of Science - Sociology And Psychology

University of New Mexico