Network Engineer Hands-On
Resume:
Venugopal
Network Engineer
************@*****.***
https://www.linkedin.com/in/venu-katikala-336a61344/ Houston, Tx.
PROFESSIONAL SUMMARY
• Experienced Network Engineer with 7 years of experience designing, implementing, and maintaining complex network infrastructures.
• Experience of routing protocols like EIGRP, OSPF, RIP, and BGP, MPLS/VPN
• Worked on Cisco 6500, 7200VXR, 12000 series Router and Cisco 4500, 6509, 7613 series switches.
• Proficiency in configuration of VLAN setup on various Cisco Routers and Switches.
• Experienced in troubleshooting both connectivity issues and hardware problems on Cisco based networks.
• Enhanced level of experience with QOS, OSPF, BGP, ATM, T1-T3 Frame-Relay
• Network analysis and capacity planning experience using tools like Sniffer, Ethereal, and TCP dump.
• Experience configuring Virtual Device Context in Nexus 7k, 5k and 2k
• Experience with Checkpoint Firewall policy provisioning
• Extensive hands-on experience with complex routed LAN and WAN networks
• Hands-on configuration and experience in setting up Cisco routers to perform functions at the Access, Distribution, and Core layers.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution.
• Experience on Cisco 7600, Cisco 6500, Cisco 4503, Cisco 3750, Cisco ASA, Juniper NSM, Juniper ISG1000, Juniper IDP and Bluecoat SG cashing and web filtering
• Experience in the setting up of HSRP, Access- Lists, and RIP, EIGRP, and tunnel installations.
• Experience with Quality of Service: Congestion Management and Avoidance, Policing, Shaping, and Link Efficiency. Worked on Palo Alto Firewall.
• Sound knowledge of virtual firewalls like checkpoint VSX, IDS, IPS as well as encryption techniques.
• Strong hands-on experience on PIX 506, 515, 525, 535, ASA 5505/5510 Firewalls. Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA TACACS RADIUS.
• Worked on F5 Load Balancers Configuring Irules, Profiles, Nats/Snats, And Load Balancing.
• Excellent Verbal, written communication skills and Interpersonal skills with ability to work with large teams as well as independently with minimum supervision Team Player TECHNICAL SKILLS:
• Networking Equipment: Cisco 2500, 2600, 2800, 3600, 7200, 7600 series routers, Cisco 1900, 2900, 3550, 4900, 6500 series catalyst switches, Nexus 2k, 3k, 5kand 7k, Load Balancers F5 BigIP.
• Routing Protocols: RIP v1 v2, EIGRP, OSPF, IS-IS, BGP, VRRP, HSRP, GLBP
• LAN technologies: Ethernet/ Fast Ethernet/ Gigabit Ethernet networks, VLANS, VTP, STP, 802.1q
• WAN technologies: Frame Relay, PPP, ATM, ISDN, PPP, MPLS exposure to DS1, DS2, OC3, OC12, T1/T3, E1/E3 and leased lines.
• Network Security: IPsec, VPN Configuration, VPN Concentrator, PIX 506, 515, 525, 535 ASA 5505, 5510 Firewalls, NAT/PAT,FWSM/ASDM Cisco NAC, Checkpoint, IDS Intrusion Detection System, IPS Intrusion Prevention System, Authentication AAA TACACS RADIUS Ethereal, Encryption technologies like DES, 3DES, Check point R75
• Juniper: E series, J series and M series. Juniper SRX VPN
• Infrastructure services: DHCP, DNS, SMTP, FTP, TFTP, POP3
• IP Telephony: VoIP SIP, H.323, MGCP CCM, Gateways/Gatekeeper, Quality Of Service QOS
• Network Management: SNMP, Cisco Works, WhatsApp Gold, HP Open View.
• Communication Protocols: TCP/IP, IPv6, ARP, VLAN 802.1q, ATM, PPP, Frame Relay, MPLS, 802.11, Wi-Fi.
• Communication Concepts: VPN, Multicasting, CDMA, W-CDMA, GSM
• Platforms: Windows 98/XP/VISTA, 2000,2003 Linux
• Applications: MS Office, MS Visio, TCL/TK Scripting, C/C, Python Professional Experience
Lexis Nexis Risk Solutions, Cumming, GA April 2024 - Present Role: Network Engineer
Responsibilities
• Assisted with troubleshooting all network issues with routers and switches when necessary and consulted with on call tech as needed for client.
• Validate existing infrastructure and recommend new network designs.
• Installed and maintained Cisco and Load Balancer and documentation.
• Manages network device configurations, logical names and addresses, network design and implementation.
• Improving OSPF convergence by controlling SPF algorithm.
• Participate in all technical aspects of LAN, WAN, VPN and security internetworking projects including, short- and long-term planning, implementation, project management and operations support as required.
• Extensively used TCP/IP tools like TELNET for remote login to the routers and SSH for secure login.
• Estimated Project costs and created documentation for project funding approvals.
• Managed various teams involved in site surveys, cabling specifications, Network equipment installation and configuration.
• Planned resources and presented project status to higher management.
• Has expertise in LAN/WAN technologies fast Ethernet, Layer2 3 switched/routed LAN, and Frame Relay.
• Routing Protocols, Networking Layer1, 2, 3 Switching concepts, LAN/WAN technologies, Wireless Networking, TCP/IP concepts.
• Worked with Cisco equipment to troubleshoot various problems.
• Modified router configurations programming with additional VLANs, port assignment. Environment: Routers: Cisco 1600, 2600, 2800, 3600, 7300 series Routers Switches: Cisco Distribution layer switches such as 6513, 6509, 6504, Access layer switches such as Cisco 4510, 4948, 4507 NBC, Illinois Feb 2023 - Mar 2024
Role : Network operations Engineer
Responsibilities:
• Implementation and maintenance of WAN connectivity using Leased line setup as primary links and ISDN as a backup.
• Generated daily, weekly, and monthly reports of machine stations that are down due to leased line failure. Worked with the onsite engineers to address and resolve the network issues.
• Documented all the root causes for occurred network issues and implemented necessary preventive measures.
• Resolved common LAN problems such as Cable issues, IP conflicts, DHCP renewals, and switch port errors.
• Installed and configured standalone and network printers.
• Coordinated and executed software and hardware updates for cisco switches and D- Link vendor modems.
• Coordinated with service providers for resolving link related problems.
• Commissioned, Installed, and maintained Channelized E1 networks and ISDN. Environment: LAN, WAN, leased lines, ISDN, channelized E1's, D-Link Modems, Cisco 3600, 2600 routers, Cisco catalyst 3550, 2900 switches
Comcast, Chennai, Tamil Nadu, India Oct 2020 - Dec 2022 Jr. Network Administrator
Responsibilities:
• Level 1 system and network administrator for solving common technical difficulties for users with assistance from senior engineers.
• Identifying & correcting common problems associated with IP addressing and host configurations.
• Configuring, verifying & troubleshooting of static and default routes for a given specific requirement.
• Manage IOS configuration files. (Including: save, edit, upgrade, restore).
• Implementing basic router security. (Assigning user mode, privilege mode passwords)
• Configuring and verifying a basic WAN serial connection.
• Configuring and verifying a PPP connection between Cisco routers.
• Troubleshooting WAN connectivity issues.
• Verifying router and switch operations using basic utilities (including ping, trace route, telnet, SSH, ARP, ipconfig), SHOW & DEBUG commands.
• Installed operating systems in client desktops and updated patches.
• Installing new routers, switches, and wireless access points Confidential the client location and performing the basic configuration.
Environment: LAN, WAN, Initial configuration, Cisco 2600, 2800, 2811XM routers, Cisco catalyst 3550, 2900 switches, Cisco WAP's, Windows operating systems. PurpleEMR, Bengaluru, Karnataka, India Jan 2018 - Sep 2020 Jr. Network Engineer
Responsibilities:
• Managed control protocols for LAN / WAN infrastructure.
• Ensured proper DNS, IP, Firewall, VPN, and server configuration for customer networks.
• Troubleshoot and Worked with Security issues related to Cisco ASA firewalls.
• Configured, maintained and troubleshot Cisco 2800 series router.
• Configured policy-based routing for BGP for complex network systems.
• Reported technical challenges and proposed resolution strategies to senior management.
• Assists in maintaining network services, such as Dynamic Host Configuration Protocol (DHCP), Domain Name, Active Directory, and Exchange Sever 2007.
• Managed control protocols for LAN / WAN infrastructure.
• Ensured proper DNS, IP, Firewall, VPN, and server configuration for customer networks.
• Troubleshoot basic network issues such as down sites/phone outages in a 24/7 support role.
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