POOJA CHAUDHARY
Summary
Network Engineer with extensive experience in configuring and maintaining complex network infrastructures. Proficient in troubleshooting protocols and optimizing network security using Palo Alto and Cisco technologies. Demonstrated ability to manage ticketing systems and provide Tier 2 and 3 support to ensure seamless network operations.
Overview
1
1
Certification
12
12
years of professional experience
Work History
Network Engineer
Sempra Energy
07.2018 - Current
- Proficient with Cisco gear up to 6500 series (3750x, 4507, 4510), Cisco Routers ASR 9000, Cisco ACI, and experienced with the Nexus 7k/5k/2k devices.
- Configuration and integration of different routers and switches. Responsible for providing support to clients relating to hardware and software, computer applications, LAN components and peripherals.
- Executed daily network operations tasks through a ticketing system, monitoring and maintaining enterprise network infrastructure to ensure optimal performance.
- Implement and leverage monitoring solutions that identify, troubleshoot, and resolve LAN/WAN network problems.
- Experienced in installing, configuring, and troubleshooting of Palo Alto and ASA Firewall. Implemented Zone based Firewall and security rules on Firewall.
- Executed regular backups and upgrades for Palo Alto Firewall.
- Experience working with Cisco Wireless Controller (WLC4400, WLC5500, and WLC2500). Experience with Cisco Wireless Access Point configuration and deployment.
- Maintain all aspects of VOIP system and all supporting infrastructure.
- Worked on configuration, installation, troubleshoot and maintenance of our VOIP system consisting of Call Manager Clusters.
- Supported Zero Trust network access using Zscaler (ZIA & ZPA), replacing legacy VPN.
- Troubleshot user connectivity issues related to policy enforcement, authentication, DNS, and traffic forwarding through Zscaler.
- Collaborated with security and infrastructure teams to migrate users from traditional VPN to Zero Trust architecture.
- Implement changes to Palo Alto/Cisco based firewalls and associated rules.
- Establish alert thresholds, escalation policies, and incident workflows.
- Managed Cisco ASA and Palo Alto firewall operations across global networks, ensuring consistent security and compliance.
- Implemented firewall upgrades (Palo Alto / Firemon / Cisco).
- Redesigned ACLs, NAT, and VPN policies to improve security posture.
- Supported compliance and audit requirements.
IT Support Technician
Amazon
CA
03.2018 - 07.2018
- Delivered internal and external client support by responding to tickets in person and via phone and email. Created organizational units in Active Directory and enforced user security with group policies.
- Provided technical support and troubleshooting assistance to personnel PCs, printers, and email setup, hardware, software installation, OS, and related hardware issues.
- Troubleshot IT equipment including PCs, wireless handheld devices, thin clients, printers, and other end-user devices.
- Upgraded and installed computers to fulfill ticket requests, enhancing user access to technology.
- Diagnosed and resolved technical issues with networks, VPN, and communications equipment, ensuring continuous service availability.
- Provided support for Windows 8, Windows 10, antivirus, DNS, DHCP, and TCP/IP configurations.
- Troubleshoot system and network problems, including diagnosing and resolving technical hardware and software issues, internet connectivity, and more.
- Monitor network devices (routers, switches, firewalls, servers) using Whatsup Gold tool.
- Configured and Maintained rules on Palo Alto Firewalls & Analysis of firewall logs using various tools. Configured firewall policies and set different device configurations.
- Identify and respond to network outages and performance degradation.
- Ensured reliable device performance by tracking availability, uptime, and health status.
Junior Network Intern
Servesys Corporation
USA
09.2017 - 02.2018
- Configured VLANs on Cisco multilayer switches, supported STP, RSTP, PVST, RPVST, and troubleshot inter-VLAN routing and VLAN trunking using 802.1Q.
- Demonstrated strong understanding of TCP/IP, IPv4/v6, RIP, EIGRP, OSPF, ACL, VPN, and Wireless LAN, along with VLAN configuration.
- Expertise in IP Subnetting and worked on various designing and allocating various classes of IP address to the domain.
- Configure the different VPN like IPsec and SSL VPN using the ASA firewall.
- Oversaw Active Directory integrated DNS zones and executed installs and patch upgrades.
- Collaborated with team on SSL VPN, firewall policies, and switching, while maintaining group policy and user management in Active Directory.
Junior Network Engineer
EATEC Engineering Solutions
India
07.2014 - 04.2015
- Administered switching technology, creating and managing VLANs, configuring port security, and implementing STP and Inter-VLAN routing to enhance LAN security.
- Configured BGP and OSPF routing protocols, performing route summarization, filtering, and redistribution while applying spanning tree and VLAN principles for optimized network performance.
- Maintenance and troubleshooting of complex infrastructure, routers, switches, LAN. Designed VLAN and set up L2 to have it communicate to the Enterprise network.
- Installed, configured, and tested LAN and WAN systems, ensuring compliance with required protocols for reliable connectivity.
- In-depth knowledge and hands-on experience in Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS.
Education
Master of Science - Electrical Engineering
California State University
Los Angeles, CA05-2017
Bachelor of Science - Electronics & Communication Engineering
LDRP Institute of Technology And Research
Gandhinagar, India06-2014
Skills
- Firewall management
- Palo Alto PA
- Cisco-ASA
- Zero Trust security
- Firewall administration
- Network Monitoring
- LAN/WAN
- VLANs
- VLAN segmentation
- Inter-VLAN Routing
- Trunking (8021Q)
- STP/RSTP
- OSPF
- EIGRP
- BGP
- NAT
- DHCP
- DNS
- NTP
- Site-to-Site
- Remote access solutions
- Access Control Lists (ACLs)
- Access control
- Networking & Protocols: TCP/IP
- OSI Model
- Gigabit Ethernet
- Network operations
- LAN/WAN optimization
- Switching Technologies: VLANs
- Inter-VLAN routing
- VTP
- Port Security
- Cloud support
- VMware administration
- Secure CRT
- Cisco configuration
- Netbrain
- Security systems
- Endpoint security
- Ticketing management
- SMTP
- IP address structure
- Endpoint security
- IP address structure
- Access control
- Network operations
Certification
- Certified CCNA (Cisco Certified Network Associate)
- Certified CCNA Security (Cisco Certified Network Associate Security)
- Certified CCNP (Cisco Certified Network Proficient)
- Palo-alto Networks ACE (Version 8.0)
Timeline
Network Engineer
Sempra Energy
07.2018 - Current
IT Support Technician
Amazon
03.2018 - 07.2018
Junior Network Intern
Servesys Corporation
09.2017 - 02.2018
Junior Network Engineer
EATEC Engineering Solutions
07.2014 - 04.2015
Master of Science - Electrical Engineering
California State University
Bachelor of Science - Electronics & Communication Engineering
LDRP Institute of Technology And Research