Overview
Work History
Education
Skills
Timeline
Generic

Ronaldo Serpas-Parada

Lawndale,CA

Overview

7
7
years of professional experience

Work History

Sign-In Supervisor

Contemporary Services Corporation, CSC
Los Angeles, CA
07.2021 - Current
  • Promoted to supervisory role based on reliability, accuracy, and leadership
  • Lead on-site payroll operations, overseeing staff sign-in, time verification, and scheduling compliance
  • Supervise high-volume check-in of hundreds of staff members in fast-paced, high-pressure environments
  • Verify employee credentials and documentation to ensure compliance with organizational and security requirements
  • Communicate effectively with managers and teams to resolve issues and prevent operational errors

Manage credentialing systems and payroll-related documentation requiring high attention to detail

Ticket Office Associate

Associated Student Ticket Office (CSUN) / UCLA Central Ticket Office
Northridge, CA
01.2019 - 12.2019
  • Processed ticket sales and transactions using Ticketmaster systems
  • Performed accurate data entry, cash handling, and transaction balancing

Provided customer support in a high-volume service environment

Education

No Degree -

Santa Monica College
Santa Monica, CA
01-2025

High School Diploma -

Alliance Ouchi-O’Donovan 6-12 Complex
Los Angeles, CA
06-2018

Skills

  • Effective Communication & Team Collaboration
  • Administrative & Documentation Accuracy
  • Leadership & Staff Coordination
  • Multitasking in High-Pressure Environments
  • Problem Solving & Critical Thinking
  • Bilingual: English & Spanish

Timeline

Sign-In Supervisor

Contemporary Services Corporation, CSC
07.2021 - Current

Ticket Office Associate

Associated Student Ticket Office (CSUN) / UCLA Central Ticket Office
01.2019 - 12.2019

No Degree -

Santa Monica College

High School Diploma -

Alliance Ouchi-O’Donovan 6-12 Complex
Ronaldo Serpas-Parada