Senior Information Security & Infrastructure Leader

Tazeen Zaidi

Jacksonville, FL 904-***-**** **************@*****.***

Professional Summary

Accomplished Senior Information Security & Infrastructure Analyst with over 17 years of experience in enterprise network security, cloud infrastructure, and IT operations. Holds a Master’s degree in Computer Science with a specialization in Networking.

Key Achievements:

Led secure cloud migrations (AWS), migrating 200+ servers, achieving significant cost savings while maintaining compliance.

Reviewed network access via TCP ports and firewalls, with hands-on experience using Palo Alto firewalls to ensure robust security and compliance.

Managed and executed user migration projects across multiple sites, ensuring seamless transitions and minimal business disruption.

Reduced security incidents and improved operational resilience through monitoring, endpoint protection, and compliance monitoring.

As Systems Administration Senior, managed enterprise servers, patching, and network security configurations for global infrastructure.

Delivered escalation-level technical support and coordinated incident response for enterprise clients.

Core Competencies & Tools

Security & Network:

Network & Cybersecurity Architecture

Cloud Migration (AWS / Microsoft Azure / Google Cloud)

Firewall & Port Access Management

Network Hardening & Risk Assessment

Tools: SolarWinds, CyberArk, CCR, CSI, CTC CASP AXIOM NetInfo, RsIT, CART, HPNA CSPNA, Triton

Secure Connectivity: Tectia, Secure CRT, ARAVO VAR

Desktop Support:

Endpoint Protection & Device Security (Symantec Endpoint Encryption, PointSec)

Software/Hardware Troubleshooting and Installation

OS Installation and Upgrades (XP, VISTA, WIN10, WIN11)

Infrastructure Optimization

Stakeholder & Cross-Team Collaboration

HP OpenView Configuration Management (OVCM), SCCM/OVCM for remote deployment and recovery

Active Directory (Adman), RDP, VNC, CMDB, DHCP

Professional Experience

Citi – AVP/Senior Information Security Analyst

Sept 2018 – Sept 2025 Jacksonville, FL

Secured network configurations and access control during large-scale infrastructure migrations across Atlanta, Jacksonville, Chicago, and New York.

Managed firewall and port access to ensure secure internal/external connectivity.

Enforced access control policies using Palo Alto Firewalls, Blue Coat Proxy, and Zscaler.

Facilitated secure cloud migrations (Azure, AWS, Google Cloud) using AWS VPC controls to enforce boundaries and reduce risk.

Reduced security incidents through proactive monitoring and risk assessments.

Strengthened endpoint protection across 5,000+ devices, increasing compliance and reducing downtime by 40%.

Collaborated with IT and business leaders to align cybersecurity initiatives with organizational goals.

HP – Systems Administration Senior

2012 – 2018

Managed enterprise servers, workstations, and VDI systems with a focus on patching and network security.

Delivered hardware/software support for desktops, laptops, and virtual environments. Installed and repaired hardware/software and operating systems

Streamlined software deployment using HP OpenView Configuration Management (OVCM).

Upgraded endpoint security and OS to maintain compliance and enhance threat protection.

Provided high-level technical support to senior executives for uninterrupted service.

Delivered secure remote support using VNC and Microsoft Remote Desktop, maintaining strong access controls and user trust.

Consistently achieved a 95%+ SLA resolution rate while collaborating across global teams and time zones.

Dell Inc. – Senior Lead Technical Analyst

2008 – 2012

Led desktop support during critical outages, minimizing downtime for users.

Specialized in Windows environments, installed/repaired hardware/ software and OS

Provided onsite support for a global conference with 300+ Citi executives.

Delivered Tier 1 & Tier 2 support across global teams, maintaining a 95%+ SLA resolution rate.

Incident tracking; provided secure remote support via VNC, Microsoft Remote Desktop.

Ensured 24/7 service continuity through collaboration with international support teams.

Citicorp / Dell / Unisys & IBM – Remote Helpdesk/Desktop Support

Merrill Lynch – Desktop Support

Certifications

CompTIA A+

Certified Professional Managers Program

Certified Information Systems Auditor (CISA)

Education

M.S. Computer Science – Bahria University, 2003

B.Sc. Microbiology – Karachi University, 1983

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