Alexandra Castañarez San Antonio - Virtual Assistant | Booking Administrator and Customer Service

About Me

Get to know the person behind the professional services

Alexandra Castañarez San Antonio - Professional Photo

Alexandra Castañarez San Antonio at Work

I'm Alexandra Castañarez San Antonio, a results-driven Booking Administrator and Virtual Support Specialist with 5+ years of experience in administrative operations, reservations management, and customer support, including 3+ years in short-term rental (STR) management. I have worked with a 5-star STR as a Booking Admin for over 3 years, managing all administrative tasks related to reservations, guest communication, and daily operations.

Skilled in handling high-volume bookings (50–100+ daily inquiries), calendar and scheduling coordination, payment processing, reporting, and CRM data management across multiple platforms.

Recognized for strong organizational skills, attention to detail, and the ability to streamline workflows, maintain accurate records, and support remote team operations efficiently.

Strategic Approach

I don't just execute tasks—I think strategically about how each piece fits into your bigger picture.

Seamless Integration

Bridging the gap between operations and marketing to create cohesive business systems.

Results-Driven

Every action is measured and optimized to deliver tangible business outcomes.

Client Focused

Building strong relationships and ensuring client satisfaction through excellent service.

Team Collaboration

Working effectively with diverse teams to achieve common goals and drive success.

Continuous Learning

Always seeking new knowledge and skills to stay current and add value.

Professional Experience

A comprehensive overview of my experience in short-term rental (STR) operations, customer service, healthcare support, appointment setting, collections, and property management.

Booking Administrator

Holiday Paradise Australia

March 16, 2023 – Present

Coordinated daily operations across multiple luxury short-term rental properties, ensuring accommodations remained guest-ready and operational at all times.
Managed reservations, booking modifications, and cancellations while maintaining accurate occupancy and property records.
Communicated with guests throughout their stay by providing check-in/check-out instructions, answering inquiries, and ensuring a seamless guest experience.
Coordinated with housekeeping teams, maintenance staff, contractors, and service providers to schedule cleaning, repairs, and property maintenance.
Monitored maintenance requests, ensuring timely scheduling, follow-up, and resolution of property-related issues.
Processed invoices, guest payments, refunds, and booking transactions while maintaining financial accuracy.
Monitored property readiness and operational requirements to support smooth guest arrivals and departures.
Maintained detailed records of guest concerns, maintenance requests, operational updates, and service completion statuses using reservation and CRM systems.
Managed escalated guest, cleaning, and maintenance concerns by coordinating with internal and external teams.
Supported quality assurance initiatives by monitoring service standards and implementing corrective actions to improve operational performance.
Generated reports and maintained documentation to support management reporting, process improvements, and operational efficiency.

Appointment Setter (Contract Position)

Corporate Development Group – Englewood Cliffs, NJ

September 2022 – January 2023

Conducted lead generation, prospecting, qualification, and follow-up activities to support business development.
Managed high-volume outbound calls to engage prospective clients and schedule appointments.
Presented products and services while educating potential clients on pricing and available solutions.
Collected client information and completed documentation required for the sales process.
Built strong client relationships through professional communication and personalized customer service.
Collaborated with sales representatives to ensure successful lead handoffs and improved conversion rates.
Consistently achieved appointment-setting and productivity targets.

Healthcare Customer Support Specialist

GlobalTek PH – Cabanatuan City, Nueva Ecija

October 2021 – August 2022

Assisted patients and clients with billing inquiries, account concerns, insurance verification, and healthcare-related customer support.
Processed payments and coordinated claims while maintaining compliance with HIPAA, PHI, and data privacy standards.
Managed confidential patient records with accuracy and professionalism.
Collaborated with internal departments to resolve billing discrepancies and improve customer satisfaction.
Supported collections and follow-up activities through solution-focused communication.
Maintained high-quality customer service while managing multiple tasks in a fast-paced environment.

Collections Representative

iQor – Clark, Pampanga

June 2021 – August 2021

Assisted customers with billing inquiries, payment arrangements, account balances, and collections.
Processed payments, account adjustments, and claim-related requests in accordance with company policies.
Documented customer interactions accurately within CRM systems.
Maintained compliance with company guidelines while achieving productivity and quality performance metrics.
Collaborated with internal teams to resolve account issues efficiently.

Customer Service Representative

Alorica – Clark, Pampanga

March 2020 – December 2020

Assisted customers with billing inquiries, account concerns, order tracking, and product-related questions.
Delivered professional customer service through inbound and outbound communications.
Documented customer interactions accurately within company systems.
Collaborated with team members to achieve service quality and productivity goals.
Resolved customer concerns with empathy, professionalism, and strong problem-solving skills.