Summary
Overview
Work History
Education
Skills
Certification
Timeline
Generic

Chandani Shaikh

L2 Network & Security Engineer

Summary

L2 Network & Security Engineer with 8+ years of experience in enterprise security operations, firewall administration, incident response, and network troubleshooting. Strong hands-on expertise in Check Point firewalls, VPNs, and security incident handling. Maintaining SOPs, and supporting 24x7 security operations.

Overview

3
3
Languages
2
2
Certifications
8
8
years of professional experience

Work History

Cybersecurity Specialist - CNI

Cognizant
04.2026 - Current
  • Review firewall logs and security alerts to identify unauthorized activity and escalation needs.
  • Apply security policies to support access control, traffic filtering, and perimeter protection.
  • Support VPN connectivity issues by checking tunnels, authentication, and routing paths.
  • Monitored security alerts, responding to incidents promptly and efficiently.
  • Provided guidance on connectivity to external parties and assisted vendors in creating site-to-site tunnels.
  • Worked within VSX environments, conducting upgrades and ensuring system integrity.

Security Managed Services Senior Analyst

Accenture
01.2026 - 04.2026
  • Checkpoint firewall management, port configuration, policy development, incident resolution

Network Security Analyst

Tata Consultancy Services
08.2018 - 01.2026

Managed network operations and security for medium to large clients across Germany, US, and UK.
Collaborated on Check Point firewall, Palo Alto, and SolarWinds tools for effective incident response.
Executed change management for firewalls, including CR/SR requests and port opening policies.
Handled incidents through troubleshooting, root cause analysis, and efficient change implementation.
Upgraded Check Point firewall OS and applied hotfix installations to enhance security measures.
Conducted network migrations and created VLANs on firewalls to optimize performance.
Developed global object creation processes on MDS for streamlined operations.
Monitored performance and managed alerts using SolarWinds to maintain system reliability.

Education

Master in Advanced Accounting & Taxation - undefined

University of Pune
01-2020

Bachelor of Commerce -

University of Pune
01-2018

Skills

Network & Perimeter Security : Check Point Firewall, Palo Alto Firewall, NAT, VPN (IPSec/SSL), Security Policies

Security Operations : Incident Response, RCA

Network Troubleshooting : Routing, VLANs, TCP/IP, Packet Capture

Certification

CCSA

Timeline

Cybersecurity Specialist - CNI

Cognizant
04.2026 - Current

Security Managed Services Senior Analyst

Accenture
01.2026 - 04.2026

Network Security Analyst

Tata Consultancy Services
08.2018 - 01.2026

Master in Advanced Accounting & Taxation - undefined

University of Pune

Bachelor of Commerce -

University of Pune
Chandani ShaikhL2 Network & Security Engineer