Network Engineer Palo Alto

Ajay Eshwar Venkatesan Network Engineer

Dayton, OH +1-513-***-**** ********************@*****.*** LinkedIn SUMMARY

Network Engineer with almost 4 years of experience in designing, securing, and managing both enterprise and cloud-based networks across multiple locations. Adept in configuring BGP, OSPF, EIGRP routing protocols, VLANs, and access controls to optimize network performance and ensure efficient traffic segmentation. Experienced with firewalls (Palo Alto, FortiGate), VPNs, and AAA systems to enforce security policies and prevent unauthorized access. Proficient in traffic analysis, SNMP log correlation, and real-time network monitoring using tools like Wireshark, PRTG, and SolarWinds, ensuring swift incident resolution and compliance with SLAs. Skilled in automating network operations with Python and Cisco CLI, overseeing infrastructure changes, and supporting audit readiness through structured configuration management.

TECHNICAL SKILL

Network Infrastructure: Cisco (Catalyst Switches, ASA Firewalls, Firepower Appliances, ISR Routers), Juniper SRX, FortiGate, Palo Alto, Load Balancers, Layer 2/3 Switching, Subnetting.

Routing & Protocols: BGP, OSPF, EIGRP, RIP, NAT, PAT, ACLs, VLANs, VTP, STP, Trunking, Inter-VLAN Routing. Network Security: IPsec VPN, SSL VPN, Site-to-Site Tunnels, Access Control Policies, Port Security, VLAN Isolation, DHCP Snooping, ARP Inspection, AAA, RADIUS, TACACS+.

Monitoring & Diagnostics: Wireshark, PRTG, SolarWinds, Zabbix, SNMP, Syslog, NetFlow, Nmap. Cloud & Virtual Networking: AWS VPC, Subnets, Routing Tables, VPN Gateways, Security Groups, Elastic IP, Direct Connect, CloudWatch. Scripting & Automation: Python, Bash, Shell Scripting, Network Automation Scripts. Change & Configuration Management: Network Documentation, Firmware Upgrades, Rollback Plans, Configuration Backup, ITIL Change Records.

PROFESSIONAL EXPERIENCE

Network Engineer UBER Remote Dec 2024 - Present

Configured and tested Cisco routers and switches across 12 remote sites, improving network performance and reducing latency by 18% through optimized routing protocols and loop prevention.

Supported firewall policy upgrades and VPN configuration changes, resulting in a 32% decrease in unauthorized access alerts in internal monitoring systems within the first three months.

Performed packet-level analysis using Wireshark for over 40 incidents, accelerating troubleshooting time by 25% and reducing resolution time to under two hours.

Automated IP address allocations and VLAN assignments using Python scripts, reducing manual input errors by 80% and improving efficiency during network audits.

Assisted in the rollout of a redundant BGP failover plan for cloud-based services, contributing to 99.97% network uptime during peak traffic test scenarios.

Network Engineer Cybage Software India March 2022 - Jul 2023

Managed the installation and configuration of VLANs, STP, and ACLs for over 40 client environments, ensuring efficient and secure internal communications.

Enhanced perimeter security by upgrading IPsec VPNs and firewall policies on FortiGate and Palo Alto appliances, reducing intrusion alerts by 27% within 12 months.

Collaborated with InfoSec teams to implement network security measures like DHCP snooping, port security, and ARP inspection on 10 edge switches, reducing network vulnerability by 25% across 3 financial client networks.

Analyzed syslog and SNMP data, identifying suspicious patterns and contributing to 2 post-breach investigations, pinpointing 10+ key traffic anomalies linked to unauthorized access attempts.

Optimized VPN configurations across 4 time zones, resolving issues with MTU, split tunneling, and DNS failover, leading to improved connection stability and reliability for remote users.

Developed and maintained documentation for 90+ device modifications, ensuring readiness for rollback during emergency patch deployments and firmware updates.

Network Engineer Mphasis India Jun 2020 - Feb 2022

Provided L1/L2 network support for 50+ enterprise users, resolving BGP and NAT issues and maintaining uninterrupted multi-site access as per SLA guidelines.

Implemented redundant routing across MPLS and leased lines, reducing packet loss by 15% during network failovers and improving branch link availability by 20%.

Configured and maintained firewall policies across AWS and on-premise environments, logging over 500 denied access attempts per month, and ensuring 100% compliance with security standards.

Monitored network performance using PRTG and Zabbix, addressing 12+ critical alerts per month, including CPU utilization spikes and VPN connectivity issues.

Collaborated with cybersecurity teams to address vulnerabilities during quarterly penetration tests, leading to the remediation of 12+ high-risk issues related to outdated firmware and exposed management interfaces.

Mentored 5+ junior engineers on network troubleshooting and log analysis, improving incident response times and overall team performance by 21% over 9 months.

EDUCATION

Master’s in Computer Science May 2025

University of Dayton

Bachelors in Computer Science Jun 2021

St.Peters Institute of Higher Education and Research

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