Network Engineer Security

Anantha Sai Ravulapati

Network Engineer

Email: *******@****************.***

Mobile: +1-850-***-****

LinkedIn: https://www.linkedin.com/in/anantha-sai-ravulapati-b11ab1204/ Professional Summary:

• Network Engineer with 4+ years of experience designing, implementing, and maintaining secure and scalable network infrastructures across on-prem and cloud environments.

• Expert in configuring Cisco devices and optimizing dynamic routing protocols including BGP, OSPF, and EIGRP for high-performance enterprise networks.

• Strong hands-on expertise in firewall configuration, security auditing, and vulnerability mitigation, ensuring compliance with network security best practices.

• Proficient in AWS networking services, including VPC, EC2, VPN, Direct Connect, Route 53, ELB, and Transit Gateway for hybrid cloud connectivity.

• Advanced Wireshark skills, performed packet capture analysis, and worked on monitoring platforms like Nagios and SolarWinds.

• Experienced with ITSM platforms like ServiceNow & Jira for managing incident tickets, change requests, and workflow automation.

• Skilled in wireless network deployment, including strategic access point placement and performance tuning for seamless user connectivity.

Technical Skills:

Networking Fundamentals Expert level understanding of the OSI model, TCP/IP protocol suite, routing, switching, VLANs, subnetting, and network troubleshooting

Network Hardware and Software Knowledge of various types of network hardware, routers, switches, Firewalls (Palo Alto, Checkpoint), wireless access points, and network management software Switching Equipment Cisco Catalyst switches like 2900XL/3500XL/2950/3550/3750. Routing Equipment Cisco Routers like - ISR 921, ISR 4431, 1120, 8200 Routing Protocols OSPF, EIGRP, BGP, RIP, HSRP, VRRP, Static Routing Switching Protocols LAN, VTP, STP, PVST, MST, Inter VLAN routing & Multi-Layer Switch, VPC, VSS, VXLAN Tunneling

Network Protocols DNS, DHCP, HTTP, SMTP, and FTP

Monitoring tools Wireshark, SolarWinds

Network Security Technologies Access control, Authentication, encryption, firewalls, IDS/IPS, SSL and VPNs Documentation and Reporting network documentation, network diagrams, operating procedures, and incident reports Cloud platform AWS

Container Technologies Docker, Kubernetes

Version Control Git, Subversion

Experience:

HCL Tech Aug 2024 – Current

Network Engineer

• Configured and deployed Cisco routers, Layer 2/3 switches, and implemented dynamic routing protocols (EIGRP, OSPF, BGP) to ensure optimal network path selection and fault tolerance.

• Implemented advanced Layer 2 technologies, including VLANs, STP, VTP, DTP, EtherChannel, and switch port security to enhance LAN performance and safeguard network access.

• Engineered and maintained mesh Wi-Fi architectures in complex environments, ensuring robust wireless connectivity and optimized application performance through strategic access point deployment.

• Designed and managed network services, including DNS, DHCP, IPv4/IPv6, IPsec, and VPN configurations, supporting secure and seamless connectivity across environments.

• Configured and troubleshot ALG protocols (RTP, FTP, HTTP, DNS) to ensure seamless application-level communication and protocol handling.

• Integrated and leveraged monitoring tools (Nagios, PRTG) via APIs for real-time network health visibility, enabling proactive incident detection and resolution.

• Led Azure network configurations, including setting up Virtual Networks, VNet Peering, IPsec VPNs, ExpressRoute, Load Balancers, and Azure DNS for scalable hybrid cloud infrastructure.

• Built and maintained secure site-to-site VPN tunnels between on-premises networks and Azure Virtual Networks to support secure hybrid cloud operations.

• Executed ITIL-aligned service delivery processes, including change management, incident response, disaster recovery testing, and documentation to maintain operational excellence.

• Delivered end-to-end support for LAN/WAN infrastructure, including proactive maintenance, outage response, and project delivery, while managing multiple initiatives with minimal supervision. TCS Aug 2021 – Dec 2022

Network Engineer

• Configured and optimized OSPF, EIGRP, and BGP routing protocols, along with Access Control Lists (ACLs), ensuring secure, policy- compliant, and high-performance network operations.

• Implemented and managed port channels between core and distribution switches, enhancing throughput, redundancy, and load balancing across the enterprise network.

• Diagnosed and resolved complex LAN/WAN issues, collaborating with senior engineers to fine-tune WAN routing and site-to-site VPN connectivity for maximum efficiency.

• Led successful NetScaler to F5 migration projects, minimizing service disruptions and ensuring high availability of application delivery infrastructure.

• Automated network configuration and maintenance tasks using Ansible and Python, improving efficiency, consistency, and reducing manual errors across multi-vendor environments.

• Designed and executed network solutions, managing end-to-end change control, documentation, and stakeholder communications to deliver seamless implementations.

• Administered Nokia IPSO OS, implementing and maintaining firewall policies to fortify network infrastructure and enforce enterprise-level security standards.

• Deployed and maintained a global MPLS network spanning 150+ sites, utilizing Cisco and VPN routers with BGP and EIGRP to support scalable, high-performance connectivity.

• Configured Arista switches and Cisco Nexus 9000 series within ACI fabric environments, enabling SDN automation for faster provisioning and improved network visibility.

• Architected secure hybrid cloud networks using Azure Virtual Networks, ExpressRoute, and VPNs to ensure resilient on-prem to cloud connectivity.

• Managed and troubleshot Juniper SRX routers, providing support for MPLS migrations and ensuring optimal performance in multi- vendor network infrastructures.

• Ensured high network availability across AWS and Azure environments, monitoring application connectivity, resolving latency issues, and maintaining uptime across global regions. Sonata Oct 2019 – Jul 2021

Network Engineer

• Led configuration troubleshooting of Juniper SRX routers, supporting enterprise MPLS migrations and maintaining network integrity.

• Configured and optimized dynamic routing protocols (OSPF, EIGRP, BGP) and Access Control Lists (ACLs) to ensure secure, scalable, and policy-compliant network operations.

• Diagnosed and resolved complex LAN/WAN issues, collaborating with senior engineers to optimize site-to-site VPNs and WAN architecture for enhanced performance.

• Led the successful migration from NetScaler to F5 load balancers, ensuring minimal downtime and uninterrupted application delivery services.

• Automated network operations using Ansible and Python, streamlining device configuration, updates, and backup processes while improving efficiency and reducing human error.

• Designed and implemented end-to-end network solutions, leading change control processes and stakeholder communication for seamless project execution.

• Administered Nokia IPSO OS and firewall policies, securing network infrastructure and maintaining compliance with enterprise security protocols.

• Managed a global MPLS network across 150+ sites, configuring Cisco routers and VPN endpoints with BGP and EIGRP to support high-availability WAN connectivity.

• Configured and deployed Arista switches and Cisco Nexus 9000 within an ACI fabric, leveraging SDN automation to accelerate provisioning and troubleshooting.

• Designed secure hybrid cloud architectures by AWS VPC, Site-to-Site VPN, and Direct Connect for resilient on-premises to cloud connectivity.

• Monitored and resolved performance issues in AWS-hosted environments and applications, ensuring high availability across multiple regions and availability zones.

• Ensured continuous network uptime through proactive monitoring, incident response, and performance tuning across both cloud and on-premises infrastructure.

Education:

Master of Science in Computer Science Apr 2025

Anderson University – South Carolina

Bachelor of Technology in Computer Science May 2020 Institute of Aeronautical and Engineering College

Certifications:

CCNA

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