Summary

Overview

Work History

Education

Skills

Certification

Timeline

Po Chan

South Hackensack,NJ

Summary

Experienced Infrastructure Senior Tech Analyst with a strong focus on network security, project management, and technical troubleshooting. Proven ability to implement security protocols and lead teams towards efficient project execution.

Overview

years of professional experience

Certifications

Work History

Infrastructure Tech Analyst

Axelon

New York City, NY

05.2006 - 10.2009

Deployed ArcSight infrastructure at Citi, configuring network connections and management console settings to enhance security visibility.
Provided tier 2 support for 24x7 network monitoring products, including IPS, IDS, and log management.
Collaborated with engineering to resolve vendor application bugs through ticketing system.
Managed Check Point firewall requests and troubleshot user-submitted connection issues to maintain network integrity.
Executed cleanup of obsolete firewall rules and locked down wide-open access points, reducing potential security vulnerabilities.
Replaced outdated Nortel VPN infrastructure with Juniper VPN devices at Citi.

Local Number Portability Escalation Coordinator

Synchronoss Technologies Inc

Edison, New Jersey

03.2006 - 05.2006

Resolved complex escalated issues from tier 1 support, ensuring timely resolution and customer satisfaction.
Facilitated new subscriber onboarding in number portability administration center (NPAC), streamlining processes for improved user experience.
Coordinated with other CLECs on port-in requests to verify telephone numbers for porting, enhancing accuracy and efficiency in number transfers.

Help Desk Support

Vonage America Inc

Holmdel, New Jersey

01.2005 - 03.2006

Evaluated and prioritized incoming phone calls, email requests, and technical trouble tickets.
Diagnosed network failures in voice over IP services, resolving router and gateway issues.
Collaborated with carriers to resolve circuit failures, restoring voice over IP functionality.
Troubleshot networking issues involving various routers, VPN, NAT configuration, proxy servers, and firewalls.
Resolved routing latency and packet loss problems on WAN and LAN networks.
Configured vendor routers for Vonage phone service for home and small business applications.
Generated daily reports identifying workflow improvements, enhancing departmental efficiency.

Infrastructure Senior Tech Analyst

Citi

Rutherford, NJ

10.2009 - 2026

Managed a team of 7 employees to support day to day operations.
Supported DLP products for over 16 years, managing deployment and compliance across global networks.
Developed detailed project plans defining timelines and deliverables.
Tracked ongoing project progress through effective stakeholder communication.
Implemented access controls and security protocols to safeguard sensitive information.
Maintained updated documentation on system configurations and operating procedures.
Facilitated interdepartmental communication to align IT solutions with business goals.
Participated in disaster recovery planning to ensure operational continuity.