Administrative Operations & Billing Specialist
Resume:
NATALIA MONTERO
PROFESSIONAL SUMMARY.
Detail-oriented Administrative Professional and Business Management Technologist with 5+ years of experience in billing operations, database management (SAP, CRM), and client relations. Proven track record at multinational companies like IBM, specializing in process optimization and high- volume data accuracy. Recently certified Health Coach with a unique blend of organizational efficiency and a people-centered approach. PROFESSIONAL EXPERIENCE
Pixel Press Print Inc Los Angeles, CA Sales & Operations Associate
Jan 2025 – Present
● Manage customer requests through digital channels, including email, text messaging, and video calls, ensuring accurate order processing and documentation.
● Coordinate end-to-end order workflows, including payment verification, internal transfers, and shipping coordination.
● Act as liaison between retail and warehouse operations, auditing inventory movements and reporting discrepancies to accounting.
● Maintain daily operational records across multiple store locations, ensuring compliance with internal procedures and service standards. Pixel Press Print Inc Los Angeles, CA Warehouse Assistant Aug 2022 – Sep 2024
● Managed incoming shipments by verifying quantities and documenting inventory conditions for internal reporting.
● Specialized in product-specific order fulfillment for multiple store locations, ensuring rapid delivery to meet customer demand.
● Conducted regular inventory counts and reported discrepancies to ensure stock availability and data integrity.
● Coordinated with team members to maintain warehouse organization and optimize the order preparation workflow.
Los Ángeles, CA 90031
*****************@*****.***
Natalia Montero LinkedIn
SKILLS
Software: SAP ERP, CRM (Siebel,
Delta), Microsoft Office Suite
(Word, Excel, PowerPoint),
Zoom/Teams.
Administrative: Billing &
Invoicing, Records Management,
Appointment Scheduling, Data
Entry, Legal Documentation.
Soft Skills: Problem Solving,
High-Volume Communication,
Detail-Oriented, Team
Collaboration.
AWARDS/ACHIEVEMENTS
Operational Effectiveness
Recognition (Distribuidora
Nissan): Recognized for
consistently meeting strict billing
and delivery programming
deadlines (2019).
Service Excellence Recognition
(IBM): Noted for high-quality
scores in resolving billing
requests and customer inquiries
for international clients (2021).
Fiduprevisora S.A. Bogotá, Colombia Economic Benefits Assistant
Sep 2021 – May 2022
● Supported legal teams by managing benefit claim records and ensuring compliance with court rulings.
● Validated legal documents and managed high-volume client notifications via internal CRM systems.
● Managed high-volume notifications for beneficiaries, maintaining professional and empathetic communication during sensitive legal processes.
● Delivered clear and timely communication by phone and email to beneficiaries regarding approved payments, required actions, and next steps.
IBM Bogotá, Colombia Fin & Admin Business Associate Apr 2021 – Aug 2021
● Managed end-to-end billing and contracting operations for Naturgy Iberia (Spain), ensuring compliance with international service standards for the energy sector.
● Processed and resolved complex billing requests received from Front Office channels, managing the complete cycle from initial request to final client communication.
● Expertly utilized SAP, Siebel, and Delta systems for real-time data tracking, request processing, and database maintenance.
● Monitored and met strict Service Level Agreements (SLAs), prioritizing high-volume tasks to ensure timely resolution and operational quality.
Grupo Bienestar S.A.S. Bogotá, Colombia Administrative Assistant
Jul 2020 – Nov 2020
● Coordinated medical service scheduling, including specialized appointments, diagnostic exams, and home healthcare services.
● Managed front-desk operations and high-volume call routing, providing professional virtual support to both internal and external clients.
● Optimized and updated client databases using CRM software, ensuring accurate record-keeping and data integrity.
● Liaised with medical providers to streamline service delivery and monitored email correspondence for timely request resolution. Project Reliability Recognition
(Fiduprevisora): Selected to
handle high-volume beneficiary
notification projects based on
consistent accuracy and attention
to detail (2022).
Internal Promotion (Pixel Press
Print): Promoted to Sales &
Operations Associate due to
strong performance in logistics
support (2024).
LANGUAGES
Spanish: Native.
English: Working Proficiency
(Written & Operational)
Distribuidora Nissan S.A. Bogotá, Colombia Administrative Support Associate
May 2018 – Jun 2019
● Provided high-level administrative support to the Sales Management team, handling internal and external communications and executive correspondence.
● Managed the end-of-the-end billing process and delivery scheduling for vehicle orders, ensuring operational effectiveness.
● Prepared and processed official documentation and maintained physical and digital archives using the SIGRU system.
● Liaised with clients and internal departments to streamline order delivery and provide professional service in person and via phone. EDUCATION
Institute for Integrative Nutrition (IIN) Newark, Ohio Health Coach Training Program Certification
Graduated: December 2025
Servicio Nacional de Aprendizaje (SENA) Bogotá, Colombia Associate degree in business management
Jan 2016 - Aug 2018
CERTIFICATIONS & PRACTICAL TRAINING
Project Management Job Simulation CBRE (via Forage) August 2026
• Completed practical training simulating real-world project management workflows, including project planning, task execution, and progress monitoring.
• Applied core methodologies for resource tracking, timeline management, and cross-functional communication.
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