JiaJie Liang
Brooklyn
Summary
Dedicated former U.S. Marine Rifleman with four years of military experience, transitioning into a civilian security guard role. Extensive training and certification in security operations, including profiling, tracking, and intelligence gathering, provide a strong foundation for ensuring mission readiness. Valuable experience gained through roles at Mulligan Security and Securemedy Inc. as an F02 security guard enhances capabilities in team collaboration, situational awareness, and operational security. Committed to maintaining safety, protecting assets, and fostering a secure environment for clients and personnel.
Overview
10
10
years of professional experience
1
1
Certification
Work History
Security Guard Fo2
Securemedy Inc
07.2025 - Current
- Collaborated with law enforcement during incidents, providing detailed reports for investigations.
- Implemented access control measures, managing visitor logs and restricting unauthorized access.
- Greeted guests professionally and courteously to cultivate welcoming atmosphere while making safety top priority.
- Checked and verified photo identification prior to granting facility access.
Security Guard F02
Mulligan Security
02.2025 - 07.2025
- Monitored premises to ensure safety and security for employees, visitors. and residents.
- Conducted regular patrols to identify and address potential security breaches.
- Responded promptly to alarms and incidents, coordinating with law enforcement as needed.
- Maintained detailed logs of daily activities, incidents, and observations for reporting purposes.
- Checked identification of persons entering and exiting facility to eliminate unauthorized visitors.
Seasonal Package Handler
United Parcel Service
01.2022 - 01.2023
- Assisted in tracking inventory and verifying shipment contents to prevent errors or losses
- Sorted and organized incoming and outgoing shipments to ensure timely processing and delivery
- Ensured packages were properly labeled with the correct shipping address and tracking information
Infantry: Rifleman
United States Marine Corps
01.2016 - 01.2020
- Conducted daily security operations, ensuring the safety of military personal, equipment, and facilities
- Operated military-grade weapons and maintained a high level of proficiency in firearms handling and safety protocols
- Monitored and patrolled designated areas, detecting potential threats and neutralizing risks
Education
AS - Mental Health
Kingsborough CC
Brooklyn, NY01.2024
Skills
- Team Collaboration: Strong Team Player with leadership experience in high-stakes environments
- Security & Surveillance: Proficient in threat assessment, patrolling, monitoring, and security systems
- Conflict Resolution: Skilled in de-escalating tense situations and handling confrontations safely and professionally
- Multilingual: Fluent in Chinese & Taishanese
- State Licensure: NYS Security Guard License
- Evacuation procedures: F02 Fire Guard for Shelters Certificate
Certification
- USMC – Combat Hunter Training Course Course Certification
- USMC – Tactical Combat Casualty Care Course Certification
- USMC – School of Infantry East Infantry Marine Course Certification
- USMC – Oleoresin Capsicum User Training Course Certification
- USMC – Military Police Security Augmentation Force Training Course Certification
Languages
Fluent in Chinese & Taishanese
Timeline
Security Guard Fo2
Securemedy Inc
07.2025 - Current
Security Guard F02
Mulligan Security
02.2025 - 07.2025
Seasonal Package Handler
United Parcel Service
01.2022 - 01.2023
Infantry: Rifleman
United States Marine Corps
01.2016 - 01.2020
AS - Mental Health
Kingsborough CC