Network Security Engineer - The Oberoi Hotels (Team Computers) - New Delhi
(2024-07 - 2026-04)
- Configured URL filtering, SSL inspection, and data loss prevention policies in ZIA to enforce corporate security standards.
- Performed Zscaler Client Connector (ZCC) version upgrades to maintain endpoint compliance and enhance overall security performance.
- Configure IPSec VPN tunnels for secure connectivity with Zscaler data centers.
- Configure and maintain GRE tunnels between branch devices and Zscaler cloud.
- Monitor App Connector Version in Zscaler Private Access (ZPA) to provide seamless zero-trust access to internal applications without exposing the network.
- Provide Password (OTP) to Uninstall and Logout Zscaler Client Connector (ZCC)
- Design firewall rules and create Incident Records (IR) in Firewall Rule Request forms based on customer requirements.
- Add, verify, and correct rules across various firewall platforms.
- Perform weekly policy pushes during scheduled maintenance windows.
- Manage daily incident tickets and ensure timely resolution.
- Implement and migrate security appliances such as FortiGate and Palo Alto firewalls.
- Carry out firewall upgrades for FortiGate and Palo Alto systems.
- Oversee the maintenance and upkeep of FortiGate and Palo Alto security devices.
- Communicate with customers via calls to understand their needs, gather relevant information, and deliver appropriate solutions.
Network Security Engineer - EXL Services (Progressive Infovision) - Noida, Uttar Pradesh
(2022-10 - 2024-07)
- Monitor Zscaler services (ZIA, ZPA, ZCC) for security and connectivity issues.
- Assist users with Zscaler Client Connector installation, upgrade, and configuration.
- Assist users with PAC file and proxy configuration issues.
- Escalate complex Zscaler incidents to L2/L3 or vendor support teams.
- Assist in managing whitelist and blacklist URL requests in Zscaler.
- Perform basic troubleshooting of Zscaler cloud firewall and DNS security features
- Work with security teams to identify and respond to web-based threats using Zscaler logs
- Planning and implementing of customer changes, based around an ITIL environment.
- Join calls with customer to understand their requirement.
- Handle incident & change process.
- Provide technical assistance to end-users for hardware, software, and network-related issues.
- Diagnose and resolve problems with desktops, laptops, printers, scanners, and mobile devices.
- Perform regular system updates, patches, and antivirus scans.
- Ensure devices are compliant with IT security policies and standards.
- Install, configure, and maintain operating systems (Windows) and essential software applications.
- Set up new user systems, including email, network access, and required software.
- Configure hardware such as desktops, laptops, and peripherals.
- Firewall upgrades in Palo Alto Firewall and Forti Gate Firewall.
Network Support Engineer - CMS IT Services - New Delhi
(2018-07 - 2019-08)
- Provided L1/L2 network support for enterprise network environments.
- Monitored and troubleshot network connectivity issues related to LAN, WAN, DNS, DHCP, and TCP/IP.
- Assisted users in resolving internet access and application connectivity issues through Zscaler.
- Monitored Zscaler logs and dashboards to identify and troubleshoot user access problems.
- Supported Zscaler policy implementation, URL filtering, and web access controls.
- Investigated and resolved network incidents and service requests within defined SLAs.
- Coordinated with network and security teams for issue escalation and resolution.
- Performed basic configuration and troubleshooting of routers, switches, and network devices.
- Maintained network documentation, incident reports, and troubleshooting records.
- Conducted routine network health checks and performance monitoring.
- Assisted in user authentication and access-related issues involving Active Directory and SSO.
- Followed IT security and operational best practices to ensure network availability and security.
