Jessica Costales
Corona
Summary
Reliable and detail-oriented administrative professional with a background in business operations, retail leadership, and client support. Experienced in managing records, coordinating schedules, handling sensitive information, and maintaining organized office systems in fast-paced environments. Strong communicator with a calm, service-focused approach. Actively engaged in school and community involvement, now seeking to contribute to a school district environment in a role that supports students, families, and staff.
Overview
11
11
years of professional experience
Work History
Associate Director
AT&T Mobility
Greater Los Angeles Area
04.2022 - 04.2023
- Directed daily operations for multi-location team, ensuring accurate reporting, documentation compliance, and high- volume customer service coordination.
- Maintained detailed records, monitored data accuracy, and ensured timely submission of reports to senior leadership.
- Handled sensitive escalations requiring discretion, conflict resolution, and clear communication under time constraints.
- Managed financial documentation and tracked department expense to ensure budget adherence.
- Coordinated staff schedules, delegated administrative responsibilities, and ensured compliance with organizational policies.
Client Solutions Executive
AT&T Business
National Business
07.2021 - 04.2022
- Maintained high volume client communications, ensuring accurate documentation and timely follow-up.
- Maintained detailed electronic records and tracked account activity with precision.
- coordinated scheduling, documentation processing, and cross-department communication.
- Handled sensitive client information with strict confidentiality.
- Met strict deadlines while balancing competing priorities in a fast-paced environment.
Retail Store Manager
AT&T Mobility
Newport Beach, Garden Grove, Santa Ana, Orange
10.2019 - 06.2021
- Oversaw daily store operations including scheduling, recordkeeping, and administrative reporting.
- Managed employee schedules and payroll documentation to ensure accuracy and compliance.
- Maintained organized inventory and financial records with attention to detail.
- Handled high volume customer interactions while resolving concerns professionally and efficiently.
- Trained and supervised team members in procedures, confidentiality, and customer service standards.
- processed transactions and balanced daily cash reports with accuracy.
- Coordinated communication between staff and corporate offices to ensure operational alignment.
Assistant Store Manager
AT&T Mobility
Tustin, Irvine, Fullerton
12.2018 - 09.2019
- Provided front-facing customer support, handling inquiries and resolving concerns professionally,
- Processed transactions and balanced registers while ensuring accuracy in daily financial reports.
- Coordinated communication between store leadership and staff to maintain operational efficiency.
- Trained team members on procedures, organization system and customer service standards.
Retai Sales Consultant
AT&T Mobility
Santa Ana, Orange, Tustin
04.2016 - 11.2018
- Delivered exceptional customer service, addressing inquiries and resolving issues efficiently.
- Educated customers on product features, enhancing their understanding and satisfaction.
- Executed sales transactions accurately while maintaining cash handling standards.
- Trained new team members on sales techniques and operational procedures.
- Collaborated with management to develop training programs focused on improving team productivity.
- Boosted customer satisfaction by providing exceptional service and product knowledge.
- Oversaw deposits, processed financial transactions and maintained inventory.
- Assisted in visual merchandising efforts, creating appealing displays that attracted customers and boosted sales.
Customer Service Representative
Best Buy Inc
Orange, CA
05.2012 - 04.2016
- Managed customer inquiries, providing prompt and effective solutions to enhance satisfaction.
- Developed and implemented process improvements to streamline customer service operations.
- Led initiatives to enhance product displays, increasing visibility and customer engagement.
- Facilitated communication between departments to ensure seamless business operations and support services.
- Delivered exceptional service by promptly responding to phone calls and emails from clients and staff members.
- Managed customer accounts, updating information and processing requests with attention to detail.
- Resolved customer inquiries through various communication channels, ensuring timely and accurate responses.
Education
High School Diploma -
Segerstrom Fundamental High School
Santa Ana, CASkills
- Administrative Support
- Team collaboration and leadership
- Work Planning and Prioritization
- Office administration
- Appointment scheduling
- Documentation and reporting
- Operations management
- Corporate communications
- Organizing and categorizing
- MS office
- Customer service
- Positive attitude
- Time management
- Data entry
- Verbal communication
Languages
Spanish
Native or Bilingual
Timeline
Associate Director
AT&T Mobility
04.2022 - 04.2023
Client Solutions Executive
AT&T Business
07.2021 - 04.2022
Retail Store Manager
AT&T Mobility
10.2019 - 06.2021
Assistant Store Manager
AT&T Mobility
12.2018 - 09.2019
Retai Sales Consultant
AT&T Mobility
04.2016 - 11.2018
Customer Service Representative
Best Buy Inc
05.2012 - 04.2016
High School Diploma -
Segerstrom Fundamental High School