dinesh kantumutchu
Denton,TX
Summary
Highly skilled Network Engineer with around 3+ years of experience in designing, implementing, and managing complex network infrastructures for enterprise environments. Expertise in routing, switching, firewall configurations, SD-WAN, and network security to optimize performance and ensure security. Strong knowledge of Cisco, Juniper, Fortinet, Palo Alto, and F5 network devices, with hands-on experience in troubleshooting and configuring multi-vendor environments. Proficient in LAN/WAN, VLAN, VPN, MPLS, BGP, OSPF, EIGRP, STP, and QoS protocols. Extensive knowledge in configuring and deploying Next Generation Firewalls including Palo Alto, Cisco ASA and Checkpoint Firewalls. Profound working knowledge of administration and management of Palo Alto firewalls. Experience with wireless networking (Cisco Meraki, Aruba) and VoIP solutions for enterprise-grade deployments. Experience working with 2600, 2900, 3600, 3800,3900, 7200, 7600 series Cisco Routers. Proficient in configuring Cisco Catalyst 2900,2960, 3560, 3750, 4500, 4900, 6500 series and Nexus 2248, 5548 and 7010 switches. Skilled in creating network documentation, including network topology diagrams, configuration manuals, and troubleshooting guides using MS Word. Thorough understanding of VPN technologies like IPSec, GRE tunneling, MPLS for remote access security. Experience deploying BIG-IP F5LTM Load Balancers for load balancing and traffic management of business application. Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability. Expert in Data Center Technologies such as vPC, VDC, VSS, STP, FCoE, OTV FabricPath.
Overview
3
3
years of professional experience
1
1
Certification
Work History
Network Engineer
DXC/Capital One
08.2023 - Current
- Developed and maintained network automation scripts using Python, storing and managing them in GitHub for version control.
- Migrated SNMP and NetFlow monitoring for real-time performance tracking, troubleshooting network issues on routers, switches, and load balancers.
- Configured BGP, OSPF, and EIGRP protocols in complex LAN/WAN/MAN networks, optimizing route.
- Automated network device configuration and deployment using Ansible, ensuring consistency and reducing manual errors.
- Deployed Palo Alto firewalls using Confidential NSX through L2 and L3 interfaces on models.
- Designed and deployed infrastructure as code (IaC) using Terraform to provision cloud and on-premises networking resources.
- Barebones configuration of both Cisco Routers & Switches (Catalyst, Nexus, ASR, Concentrator) for MDF/IDF as well as Data Center solution.
- Implement the Global Protect VPN, IPSec VPNs and SSL VPNs through IKE and PKI on Palo Alto firewalls for site-to-site VPN Connectivity.
- Working on Cisco IOS/NX-OS for configuration & troubleshooting of routing/switching protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS, VLANs, PVST, RPVST, MST, Trunking, VTP etc.
- Configured protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
- Configured complex Layer 3 VPN solutions across WAN, LAN, and MAN environments, incorporating OSPF, BGP, and DNS.
Network Engineer
HDFC
06.2022 - 12.2022
- Managed security devices, including ASA, Juniper, and Palo Alto firewalls, routers, switches. Configured rules, maintained Palo Alto Firewalls, and performed analysis of firewall logs using various tools.
- Utilized Python for network monitoring and log analysis, integrating scripts with GitHub for collaborative development.
- Configured and optimized Cisco Nexus, Catalyst, and ASR series routers and switches, ensuring robust and high-performance network communications across enterprise environments.
- Implemented network device compliance audits using Ansible and stored compliance reports in GitHub for tracking.
- Maintained redundancy on Cisco 2600, 2800, and 3600 routers.
- Created Terraform modules for scalable VPC, security groups, and network ACLs across AWS/GCP environments.
- Designed and deployed enterprise-wide Network Security and High Availability Solutions for ASA, configured rules, and maintained Palo Alto Firewalls & analysis of firewall logs using various tools.
- Developed Python scripts for real-time network health monitoring and pushed updates to GitHub repositories.
- Troubleshot issues on Cisco Nexus 7k, Catalyst switches 6500, 4500, 3750, and Routers.
- Configured and managed DHCP servers to dynamically assign IP addresses, ensuring network efficiency and minimizing the risk of IP address conflicts.
- Staged, planned, and deployed Palo Alto NGF 5020s within Confidential's Data Centers.
- Integrated multiple vendor IPSEC site-to-site VPNs, including Palo Alto Networks, Cisco ASA, and Juniper SRX firewalls, and configured Layer 2 and Layer 3 VPNs for secure and scalable network communication.
- Configured Cisco Wireless Access Points, HSRP, and STP in Cisco Catalyst 4507 switch.
- Implemented NetFlow for network traffic analysis, improving visibility into network usage patterns and enabling proactive troubleshooting.
- Installation and support of VMware ESX/ESXi 3.5/4.x/5.x server hosting virtual servers for the test/dev/staging environment.
- Deployed and maintained MPLS networks for reliable and efficient data transfer between geographically distributed sites.
Education
Bachelor of Technology - Computer Science
MVGR College Of Engineering
INDIA 05.2022
Masters - Computer and Information Science
University of North Texas
Denton, TX12.2024
Skills
- Routers (1800, 2500, 2600, 2800, 3600, 3750, 3800, 7200, Arista, Brocade & Juniper devices)
- Cisco Switches (2900, 3500, 3750, 4000, 4500, 5000, 5800, 6500, Nexus 2k, 3k, 5k,7k and 9K), MSFC, MSFC2
- Routing Protocol (BGP, OSPF, EIGRP, IGRP, IGMP, RIP, IS-IS), Routed Protocol TCP/IP, Multicasting (PIM)
- LAN Protocol VLAN, VxLAN, PVLAN, VTP, Inter-VLAN routing, ISL, dot1q, STP, IS-IS, RSTP, MSTP, ISL PVST, LACP, HSRP, GLBP, VPC, VDC, Ethernet, Port security
- WAN Technology Frame Relay, WiSM Module in 6509, X25, L2VPN, L3VPN, E1/T1/DS1/DS3, MPLS
- Network Management SNMP v2, v3, Cisco Works, 3Com Network Analyzer, MRTG, SolarWinds, and Orion
- Wireless Platforms Juniper QFX, SRX, MX, EX Series Routers and Switches, Aruba wireless (224, 225, 315, 325 and WLC 7210), Airwave, Meraki, Enterasys
- Firewalls Palo Alto PA-500/PA-2K/PA-3K/PA-5K, ASA 5585/5250/5510
- Network Security Working knowledge of Firewall, Cisco IOS, ASA, Cisco FWSM/PIX/ASDM, Cisco ISE, Sourcefire IPS/IDS, Cisco NAC, IPsec, Nokia Checkpoint NG, IPS/IDS, VPN
Certification
Cisco Certified Network Associate (CCNA)
Timeline
Network Engineer
DXC/Capital One
08.2023 - Current
Network Engineer
HDFC
06.2022 - 12.2022
Bachelor of Technology - Computer Science
MVGR College Of Engineering
Masters - Computer and Information Science
University of North Texas
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