Enterprise Network Engineer - Security & Automation

Bhavana

Network Engineer

***************@*****.***+1(682)419-8887

Professional Summary:

Results-driven Network Engineer with 3+ years of hands-on experience designing, securing, and automating enterprise and hybridcloudnetworks.SkilledinconfiguringCiscoandPaloAltoinfrastructure, implementing SD-WAN, and deploying Zero Trust and VPN solutions to enhance network security and reliability. Adept at optimizing routing and switching protocols (BGP, OSPF, EIGRP), managing AWS and Azure connectivity, and leveraging automation tools like Python, Ansible, and Terraform to streamline operations and ensure compliance with NIST and ISO 27001standards.Recognizedfor improving network uptime to 99.9%, reducing latency across multi-site environments, and driving continuous optimization through proactive monitoring and incident resolution.

Technical Skills:

Networking Protocols &Technologies:

TCP/IP,IPv4/IPv6,Subnetting,VLANs,STP,Ether Channel,QoS,HSRP,OSPF,BGP,EIGRP,SD-WAN

Enterprise Infrastructure:

Cisco Routers & Catalyst/Nexus Switches,PaloAlto & Cisco ASA Firewalls,Aruba Wireless Controllers,F5Load Balancers (basic)

Network Security: ACLs,VPNs(IPsec/SSL),CiscoISE,ZeroTrustArchitecture,AAA(TACACS+,RADIUS),802.1XAuthentication, IDS/IPS Cloud &VirtualNetworking:

AWS (VPC,Transit Gateway,Direct Connect,RouteTables,SecurityGroups),Azure(NSG,VPNGateway, Express Route), VMware NSX

Monitoring &Troubleshooting:

Solar Winds,PRTG,Wireshark,Splunk,NetFlow,Syslog,CiscoDNACenter Automation & Scripting: Python,Ansible,PowerShell,RESTAPIs,Terraform(basic)

Compliance & Documentation:

NIST800-171,ISO27001,Configuration Hardening,ITIL,Visio,ServiceNow,Confluence

Soft Skills:

Analytical Thinking, Problem Solving,Cross-FunctionalCollaboration,Communication,Documentation,Time Management, Continuous Learning, Adaptability, Incident Management

Professional Experience :

CVS Health, Austin,TX jan 2025–Present

Network Engineer

Engineered and optimized hybrid enterprise networks using Cisco routers, Nexus switches, and PaloAlto firewalls, improving system resiliency and achieving 99.9% uptime across multi-site environments.

Strengthened network security posture by implementing Zero Trust policies, Cisco ISE, and VPNs (IPsec/SSL), reducing unauthorized access incidents by 25% and ensuring compliance with NIST 800-171 and ISO 27001 standards.

Automated configuration management and audit tasks through Python, Ansible, and Terraform, streamlining deployments and cutting manual network operations by 30%, enhancing consistency across environments.

IntegratedSD-WANandcloudconnectivitysolutionsacrossAWSandAzureenvironments,optimizingWANtrafficand reducing inter-site latency by 20%, while improving secure remote access for distributed teams.

Tech Mahindra, Hyderabad, India

Network Engineer Feb2023–Nov2023

Configured and maintained multi-site enterprise networks using Cisco routers, Nexus switches, and PaloAlto firewalls, enhancing core infrastructure stability and ensuring 99.9% uptime across data centers.

Optimized dynamic routing and WAN performance by fine-tuning BGP/OSPF protocols and deploying MPLS and SD-WAN solutions, reducing latency and improving branch connectivity efficiency by 20%.

Enhanced network security and remote access through ACLs, Global Protect VPN, and Zero Trust segmentation, strengthening authentication via AAA (TACACS+, RADIUS).

Automated compliance and configuration management using Python, PowerShell, and REST APIs, cutting manual audit efforts by 35% and improving network policy accuracy across hybrid environments.

Contributed to hybrid cloud and SDN initiativesby integratingAWS andAzure networking (VPCs, NSGs, VPN Gateway)andparticipating inVMwareNSX/OpenDaylight labs. buildingpracticalexpertise insoftware-defined and cloud-based network orchestration.

Adam InfoTech, Hyderabad, India Jul 2022–Jan 2023

Junior Network Engineer,

Supported deployment and maintenance of VLANs, routing (OSPF, static), and NAT configurations across branch networks, improving traffic segmentation and data isolation for multi-tenant environments.

Assisted in SDN pilot implementations using VMware NSX and Open Daylight. Contributing to early adoption of software- defined architectures and centralized policy enforcement within enterprise labs.

Provisioned AWS and Azure network components (VPCs, subnets, NSGs, route tables, VPNs), building foundational expertise in hybrid cloud connectivity and secure remote access.

AutomatedroutinenetworkchecksandconfigurationbackupsusingPowerShell,Bash,and Ansible,reducing validation time by 25% and improving operational consistency.

Monitored network health and uptime with SolarWinds,Wires hark,and SNMPalerts,achieving55.5%service availability and proactively resolving connectivity issues before escalation.

Projects:

Enterprise Network Infrastructure Upgrade

Upgraded legacy infrastructure across 3 office sites with Cisco Catalyst/Nexuss witches, ASA firewalls, and Aruba controllers.

Implemented VLAN segmentation,OSPF,HSRP,and Wi-Fi6 optimization,reducingsupport tickets by 40%.

Integrated SolarWinds,PRTG,andDNACenterformonitoring,cuttingnetworkincidentsby30%.

Secure Multi-Site VPN & Hybrid Cloud Deployment

Designed site-to-site IPsec VPN connecting 6remote offices,replacing MPL Sandred ucing WANcostsby25%.

Extended connectivity into AWS(VPC,Transit Gateway)and Azure(NSGs,ExpressRoute)forhybrid-cloud workloads.

Deployed SolarWinds and Splunk for VPN health monitoring and auditcompliance.

Network Automation &Compliance Framework

Automated configurations,backups,andauditsusingPython,Ansible,andTerraform(IaC),cutting provisioning time by 40%.

Integrated RESTAPIs and CI/CD pipelines for network rollouts, improving compliance with NIST/ISO.

Education Details:

Master of Science in University of North Texas – Denton,TX - 2025

Electronics and Communications Engineering in Chaitanya Institute of Technology and Science - 2023

Contact this candidate