Summary
Overview
Work History
Education
Skills
Languages
Timeline
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Katherine Medrano

Walden

Summary

Security-focused professional with federal aviation security experience as a Transportation Security Officer with the Transportation Security Administration. Experienced in threat detection, regulatory compliance, incident reporting, and public interaction in high-volume environments. Additional background in healthcare administration and office operations with strong data management and communication skills. Currently pursuing an Associate of Applied Science in Cybersecurity.

Overview

14
14
years of professional experience
2013
2013
years of post-secondary education

Work History

Financial Clearance Specialist

Garnet Medical Center
Middletown
01.2023 - 02.2025

Hours per week: 40

  • Interviewed patients and family members to obtain demographic and financial information required for medical services and insurance billing.
  • Pre-registered patients for procedures and appointments while ensuring compliance with hospital, government, and insurance requirements.
  • Verified insurance coverage and informed patients of financial responsibilities prior to services.
  • Maintained accurate patient records and entered data into hospital computer systems.
  • Coordinated with multiple hospital departments and physician offices to confirm appointments and procedures.
  • Managed work queues to ensure timely completion of patient registration tasks.
  • Collected deposits, co-payments, and outstanding balances.
  • Notified financial advocates when patients required assistance due to lack of insurance coverage.

Transportation Security Officer

Department of Homeland Security
Queens
09.2019 - 03.2022

Locations:

  • John F. Kennedy International Airport — Queens, NY
  • Stewart International Airport — New Windsor, NY
  • Assisted with staffing coverage at Westchester County Airport — White Plains, NY

Hours per week: 40

  • Maintained security of sterile airport boarding areas to prevent threats to aviation safety.
  • Conducted passenger and baggage screening using X-ray machines, metal detectors, and physical inspection procedures.
  • Verified passenger identification and travel documents for authenticity and compliance with federal aviation security regulations.
  • Identified prohibited items and potential security threats during screening operations.
  • Performed physical bag inspections and passenger pat-downs following TSA screening protocols.
  • Monitored checkpoint operations and maintained situational awareness in high-volume airport environments.
  • Communicated security procedures clearly to passengers while maintaining professionalism and order.
  • Completed incident reports documenting prohibited items and security violations.
  • Completed more than 100 hours of training in improvised explosive device (IED) detection and threat recognition.
  • Assisted supervisors and supported checkpoint operations during staffing shortages.

Executive Receptionist

Access Staffing
New York
11.2014 - 08.2018

Hours per week: 40

  • Managed high-volume phone lines and directed calls to over 150 recruiters.
  • Greeted applicants and visitors while maintaining a professional office environment.
  • Reviewed resumes and scheduled candidate interviews with recruiters.
  • Maintained applicant databases and entered candidate information accurately.
  • Managed filing systems and processed employment documentation.
  • Coordinated candidate testing sessions and interview preparation.
  • Processed incoming and outgoing mail and maintained office supplies.

Receptionist / Office Assistant

IST Management Services
New York
02.2014 - 08.2014

Hours per week: 40

  • Managed busy switchboard and directed calls appropriately.
  • Coordinated guest transportation and scheduled meetings.
  • Maintained building security visitor lists and guest access records.
  • Assisted with meeting preparation and coordination with outside vendors.
  • Maintained client contact lists and organized information records.
  • Trained temporary reception staff and processed building maintenance requests.

Real Estate Assistant

B’H Real Estate
Bronxville
03.2011 - 07.2012

Hours per week: 40

  • Assisted real estate agents with preparing property listings, client communications, and scheduling property showings.
  • Provided prospective buyers with information regarding property features, pricing, and neighborhood locations.
  • Responded to client inquiries by phone and in person while maintaining accurate records of communications.
  • Coordinated appointments and property tours between clients and agents.
  • Maintained organized files of property documents, contracts, and client records.
  • Supported marketing efforts by distributing property information and assisting with listing presentations.
  • Answered high-volume phone calls and routed messages to agents in a timely manner.
  • Assisted clients with general questions regarding the home buying and mortgage process.

Education

Associate of Applied Science - Cyber Security

Herkimer College
Herkimer, NY
01.2025 - 03.2026

GED-Highbridge Community Life Center
Bronxville, New York

Skills

Security & Investigative Skills

  • Aviation security screening and checkpoint operations
  • Threat detection and identification of prohibited items
  • Enforcement of federal aviation security regulations
  • Incident documentation and report preparation
  • Passenger identification and credential verification
  • Public safety monitoring in high-volume environments
  • Conflict resolution and de-escalation techniques
  • Surveillance awareness and situational assessment
  • Coordination with supervisors and law enforcement when security concerns arise
  • Professional communication with the public under stressful conditions

Languages

Spanish
Native/ Bilingual

Timeline

Associate of Applied Science - Cyber Security

Herkimer College
01.2025 - 03.2026

Financial Clearance Specialist

Garnet Medical Center
01.2023 - 02.2025

Transportation Security Officer

Department of Homeland Security
09.2019 - 03.2022

Executive Receptionist

Access Staffing
11.2014 - 08.2018

Receptionist / Office Assistant

IST Management Services
02.2014 - 08.2014

Real Estate Assistant

B’H Real Estate
03.2011 - 07.2012

GED-Highbridge Community Life Center
Katherine Medrano