Network Engineer Palo Alto

Keerthi Medarametla

Network Engineer

********************@*****.*** +1-913-***-**** Overland Park, Kansas City, MO LinkedIn Summary

Results-driven Network Engineer with nearly 3 years of progressive experience in designing, implementing, and securing enterprise network infrastructures across on-premises and cloud environments. Skilled in Cisco, Aruba, Palo Alto, AWS, and Azure technologies with expertise in routing, switching, firewall management, and automation scripting. Proven ability to optimize network performance, enhance security posture, and deliver reliable connectivity solutions in fast-paced enterprise settings. Key Achievements

•Designed and deployed secure hybrid cloud connectivity between on-premises data centers and AWS/Azure, improving application availability and scalability.

•Led configuration and optimization of Cisco routers, Catalyst switches, and Aruba wireless controllers, enhancing network performance and uptime.

•Automated configuration backups and network health reporting using Python and PowerShell, reducing manual workload by 40%.

•Implemented VLAN segmentation, dynamic routing (OSPF, EIGRP), and ACL-based security, strengthening network efficiency and compliance.

Skills

Networking Protocols & Technologies: TCP/IP, IPv4/IPv6, Subnetting, NAT/PAT, DHCP, DNS, STP, VLAN, 802.1Q Trunking, Routing

(Static, OSPF, EIGRP)

Enterprise Networking & Switching/Routing: Cisco Routers (2600–7600), Catalyst Switches (2960–6500), Aruba Wireless Controllers, Structured Cabling

Network Security & Firewalls: Cisco ASA, Palo Alto Firewalls, VPN Tunnels (IPsec, SSL), ACLs, AAA (TACACS+, RADIUS), Azure AD Cloud & Virtual Networking: AWS (VPC, Route Tables, Security Groups), Azure (NSGs, VPN Gateway), Hybrid Cloud Connectivity, SD-WAN

Wireless Networking: Aruba Wireless Controllers, Cisco Wireless, 802.11 Protocols, 802.1X Authentication Monitoring & Troubleshooting Tools: SolarWinds, PRTG, Wireshark, SNMP Monitoring, Cisco DNA Center, Splunk (Logs) Automation & Scripting: Python (Config Automation), Bash, PowerShell, CLI/SSH Scripting Compliance & Standards: Network Security Audits, Policy Enforcement, Patch Management, Configuration Hardening Professional Experience

Dell Technologies

Network Engineering

Jul 2025 – Present Remote, MO

•Manage and optimize enterprise network infrastructure, including Cisco routers, Catalyst switches, and Aruba wireless controllers, ensuring high availability and secure connectivity across branches.

•Implement and maintain advanced routing protocols (OSPF, EIGRP) and VLAN segmentation, improving traffic efficiency and reducing network latency.

•Strengthen network security posture through firewall policy management (Cisco ASA, Palo Alto), VPN tunnel configuration, ACLs, and AAA integration with Azure AD.

•Leverage monitoring tools (SolarWinds, PRTG, Wireshark) to proactively identify and resolve performance issues, ensuring minimal downtime for mission-critical operations.

Cyient

Network Engineer

Apr 2022 – Jun 2023 Hyderabad, India

•Directed configuration efforts for optimization, and troubleshooting of Cisco routers (2600–7600 series), Catalyst switches (2960– 6500 series), and Aruba wireless controllers in production environments.

•Designed and implemented VLAN segmentation, STP, and 802.1Q trunking to enhance network performance and security.

•Configured and maintained OSPF and EIGRP routing for efficient inter-site connectivity across enterprise and branch offices.

•Managed firewall security policies, VPN tunnels (IPsec, SSL), and ACL configurations on Cisco ASA and Palo Alto devices.

•Integrated AWS VPCs, Azure NSGs, and VPN Gateways to support hybrid cloud networking projects and secure interconnectivity.

•Deployed and maintained wireless networks with Aruba and Cisco access points, ensuring 802.11 protocol compliance and 802.1X authentication.

•Monitored and analyzed network health using SolarWinds, PRTG, and Wireshark, proactively resolving performance bottlenecks.

•Developed Python and PowerShell scripts to automate configuration backups, device health checks, and network reporting.

•Performed network security audits, configuration hardening, and patch management to align with corporate compliance policies.

VMware

Junior Network Engineer Apr 2021 – Mar 2022 Remote, India

•Configured and maintained Cisco routers (2600–7600 series) and Catalyst switches (2960–6500 series) to support enterprise network operations.

•Deployed and managed VLANs, STP, and trunking (802.1Q) to ensure efficient network segmentation and traffic flow.

•Assisted in implementing routing protocols such as OSPF and EIGRP for optimized data routing across the network.

•Supported firewall administration on Cisco ASA and Palo Alto devices, including VPN tunnel setup and ACL policy updates.

•Provided L1/L2 troubleshooting for network incidents, utilizing tools such as SolarWinds, PRTG, and Wireshark for diagnostics.

•Configured with Azure NSGs and AWS VPC configurations to support hybrid cloud connectivity projects.

•Documented network changes, configurations, and incident resolutions to maintain accurate records and compliance readiness.

Intern – Network Operations Oct 2020 – Mar 2021 Hyderabad, India

•Assisted in configuring and troubleshooting network devices, including Cisco routers, Catalyst switches, and Aruba wireless controllers, under senior engineer supervision.

•Acquired practical experience in exposure to core networking protocols such as TCP/IP, VLANs, STP, DHCP, and DNS.

•Supported firewall policy updates and VPN tunnel configurations on Cisco ASA and Palo Alto devices.

•Monitored network performance and uptime using SolarWinds, PRTG, and Wireshark, reporting issues for resolution.

•Documented configuration changes, incident reports, and network topology updates for team reference and compliance. Projects

Campus Network Design & Implementation

•Designed and simulated a secure multi-building campus network in Cisco Packet Tracer with VLAN segmentation, inter-VLAN routing (OSPF), DHCP/DNS/NAT services, and ACL-based access control, ensuring high performance and redundancy. Hybrid Cloud Connectivity for Enterprise Client

•Implemented secure hybrid cloud connectivity between on-premises data centers and AWS/Azure using VPN Gateways, VPC/NSG configurations, and firewall rules, with performance monitoring (SolarWinds, PRTG) and automation of backups and reporting via Python scripts.

Education

Master of Science - Computer Science

University of Central Missouri

Aug 2023 – May 2025 MO, USA

Bachelor of Technology - Electronics and Instrumentation Engineering VR Siddhartha Engineering College

Jul 2017 – Jul 2021 Andhra Pradesh, India

Certificates

CCNA – Cisco Certified Network Associate

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