Dynamic Network Security Engineer and IT Administrator with over 5 years of specialized experience in securing and managing wired and wireless network infrastructures. Expertise in supporting enterprise clients through configuration and troubleshooting of security appliances and networking equipment, including firewalls, wireless LAN controllers, switches, and access points. Proven track record in identifying and resolving network vulnerabilities and connectivity issues through comprehensive fault isolation and performance analysis. Strong foundational knowledge of switching technologies complemented by hands-on experience with Aruba Central, Aruba Switches, Arista Controller, Palo Alto Firewalls, and Prisma SASE, ensuring the delivery of robust, scalable, and secure network environments.
Overview
8
8
years of professional experience
Work History
Network Security Engineer
Neblio Technologies Private Limited (CoinDCX)
07.2024 - Current
Providing support to enterprise-level clients in the configuration of wireless LAN controllers, switches, and access points.
Maintained Palo Alto firewall policies to ensure robust perimeter security.
Managed security profiles including URL filtering, antivirus, anti spyware, and intrusion prevention systems (IPS) to protect against cyber threats.
Applied Quality of Service (QoS) policies to optimize network performance, reduce latency, and prioritize critical applications.
Utilized firewall logs and packet capture tools to troubleshoot and resolve connectivity and traffic flow issues.
Managed user authentication and access control policies within the firewall for secure resource access.
Optimized and refined firewall rule base for performance, security, and operational efficiency.
Configured Palo Alto firewalls to forward logs to a centralized Syslog server for monitoring and audit compliance.
Analyzed GlobalProtect VPN logs, debug outputs, and authentication events to identify and resolve VPN-related issues.
Set up traffic steering rules to direct user traffic through the nearest Prisma Access gateway for better performance and security.
Implemented multi-factor authentication solutions to strengthen access controls across the organization''s networks and systems.
Hands-on experience with Aruba Controller and Arista Cloud Vision to manage the access points.
Monitoring the network using the PRTG tool.
Experience in the ManageEngine (ZOHO) Ticketing Tool and JIRA.
Taking a backup and upgrading the firmware of the network devices.
Hands-on experience in Google Workspace.
Developed comprehensive documentation for network design, configuration standards, and operational procedures.
IT Administrator
First Advantage Private Limited
03.2020 - 06.2023
Managed JumpCloud's Directory-as-a-Service for users and devices, streamlining user onboarding and offboarding processes.
Provided smooth communications by configuring LAN technology, wireless access points, and controllers.
Resolving issues related to network, applications, and systems.
Good understanding of preparing an HLD and LLD diagram.
Monitored network performance and troubleshot any issues that arose.
Managing Asset and maintaining asset records.
Developed and maintained technical documentation, aiding in quicker onboarding of new team members and serving as reference tool.
Working with AAA configuration, including AD, LDAP, and RADIUS for Windows and Mac OS platforms.
Worked effectively in team environments to make the workplace more productive.
Completed day-to-day duties accurately and efficiently.
Mentored junior members of the team on best practices in issue resolution techniques.
Maintained clear communication channels with clients throughout the troubleshooting process, ensuring transparency and trust.
Optimized network performance, regularly monitoring and adjusting configurations to meet changing demands.
Process Associate
Capgemini Private Limited
12.2017 - 12.2019
Providing the mortgage statement and interest paid later to the clients.
Providing transaction history to the client.
Resolving queries received via email from clients.