Marvin Quarles
Addison
Summary
Dynamic Fraud Analyst with expertise from TSYS Managed Services, skilled in identifying and investigating fraudulent activities. Adept at adapting to evolving fraud tactics, ensuring compliance, and enhancing operational efficiency in financial crime prevention.
Overview
9
9
years of professional experience
1
1
Certification
Work History
FRAUD ANALYST I
TSYS Managed Services (TMS)
04.2025 - Current
- Responding to customer account inquiries with standard/scripted responses within the fraud detection
- Identifying fraudulent credit card activity and investigating potential credit card fraud cases based on information received from the fraud detection system.
- Analyzing several aspects of account history, including payment and transaction history.
- Assisting with the completion of lost or stolen reports, such as blocking and transferring compromised accounts to prevent further losses and fraudulent activity.
- Provided excellent client service to financial institutions and issuing customers as the primary point of contact for fraud-related matters via ticketing systems
- Stayed current on evolving fraud tactics, regulatory requirements, and industry best practices in financial crime prevention
Technical Support Representative
Global Payments - Merchant Services
09.2018 - 04.2025
- Inbound/outbound call support
- Responsible for logging detailed notes related to all projects
- Train and educate merchants on specific compliance policies and procedures in accordance with PCI
- Ensure all technical related issues are addressed
- Process department requests in accordance to established department policies and procedures
- Escalate issues when necessary
- Participate in any or all training and educational activities necessary to fulfill at least the minimum requirements specified in the department’s goals
- Practice and comply with all regulations promoting a safe and healthy work environment (i.e. OSHA)
- Adhere to privacy; confidential, proprietary company policies and procedures (i.e. HIPAA)
Data Center Technician
IBM
10.2017 - 04.2018
- Rack, build, cable, configure, and provision Intel and Advanced Micro Devices (AMD) servers
- Install, test, and label cable and fiber using standard data center protocols and using cable management systems
- Deployment of Cisco Layer 2 networking equipment
- Troubleshoot, test, quality assurance of server hardware
- Resolved hardware issues through trouble ticketing system, ensuring timely responses to incidents.
- Create tickets within the ticketing system to address problems, incidents and changes of hardware.
- Provide accurate and detailed logs within the ticketing and messaging systems for call outs and system alerts, as well as for communication and escalation steps taken to ensure prompt resolution of supported equipment, processes, teams.
Education
Northlake College
Irving, TX01-2014
Richland College
Richardson, TX01-1999
Skills
- Cisco infrastructure
- TCP/IP networking
- Incident investigation
- DHCP configuration
- Routing protocols
- LAN and WAN technologies
- Fraud analytics
- WLAN infrastructure
- Customer profiling
- Case management
- Regulatory compliance
- BGP protocol
- Business service management
- One Console management
- Spirent testing tools
- IP control mechanisms
- Fraud prevention strategies
- Nokia RAN technologies
- ANPS solutions
- Nest integration
- Inforouter systems
- Microsoft Office
Certification
- Security +, 01/01/23
- CCNA, 01/01/13
- Network +, 01/01/10
- A+, 01/01/10
Timeline
FRAUD ANALYST I
TSYS Managed Services (TMS)
04.2025 - Current
Technical Support Representative
Global Payments - Merchant Services
09.2018 - 04.2025
Data Center Technician
IBM
10.2017 - 04.2018
Northlake College
Richland College