SUMMARY:

• Network Engineer with 9 years of experience in network Routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
• Excellent communication skills, enthusiastic, motivated and a team player.
• Worked on network topologies and configurations, TCP/IP, UDP, bridges, routers, and switches.
• In - depth expertise in the analysis, implementation, troubleshooting, documentation of LAN/WAN/MAN and good experience on IP services.
• In-depth knowledge and experience in WAN technologies including OC3, E3/T3, E1/T1, Point to Point, MPLS.
• Experience in installing and configuring DNS, DHCP server.
• Experience with different types of protocols like HTTP, FTP, SFTP, SMTP, DHCP and DNS.
• Convert Branch WAN links from TDM circuits to MPLS and to transform encryption from IPSEC/GRE.
• Worked on Juniper Net Screen Firewalls like, NS50, SSG 550M, SSG520M, ISG 1000, ISG 200.
• Had experience on upgrading various vendor routers Nexus 7K, Nexus 5K, ASR9K.
• Improved troubleshooting skills while working with many network devices including Cisco, Arista switches, Routers and Check Point.
• Implementation of Juniper Firewall, SSG Series, Net screen Series ISG 1000, SRX Series.
• Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540).
• Experience working with Nexus 9k,7K, 5K, and 2K.
• Working configuration of new VLANs and extension of existing VLANs on to the necessary equipment to have connectivity between two different data centers.
• Experience in Configuring and implementing VLAN, VTP domains, LAN switching and STP/RSTP.
• Experience in QOS on multicast VPN.
• Experience in Cisco: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay & MPLS), Routing protocol configurations EIGRP, OSPF, BGP.
• Extensive experience in troubleshooting of protocols EIGRP, OSPF, BGP and MPLS.
• Experienced working on network monitoring and analysis tools like, Solar winds, CISCO works Riverbed and Wireshark.
• Proficiency in configuration of VLAN setup on various CISCO Switches.
• Knowledge of implementing and troubleshooting problems with SSH keys and access and RSA VS DSA.
• Cisco Emergency Responder (CER) integration with CUCM.
• Experience through Hand-on Experience with configuring T1.5, Gigabit Ethernet, Channelized T3 and full T3, OCX, F and VOIP (Voice-Over Internet Protocol).
• Experience with Change management process and Project documentation tools Excel and VISIO.
• Have knowledge on Load Balancer F5 LTM, GTM series like 6400, 6800, 8800.
• Knowledge with Cisco Call Manager, Unified Communications, WAPs, WLCs.
• Knowledge of Checkpoint VSX, including virtual systems, routers, and switches.
• Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, CHAP, and SNMP, SSL, MSSL.
• Technical Documentation and presentations using Microsoft VISIO/Office.

PROFESSIONAL EXPERIENCE:

Confidential, Atlanta, GA

Sr. Network Engineer

• Hands on experience of Nexus 7k, 5k and 2K FEXs.
• Configured Layer 2 & Layer 3 interfaces and port channels on Nexus 9508 .
• Experience with configuring Nexus 2000 Fabric Extender (FEX ) which acts as a remote line card (module) for the Nexus 5000.
• I have worked on our Open Flow Switch Emulation as a part of SDN solution from the beginning, and involved in designing, coding, researching, and troubleshooting.
• Switching tasks include ISL/ 802.1q, IPSec and GRE Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
• Deploy Cisco ISE on Nexus 5000/7000 routers, Cisco switches, and Cisco ASA and Firepower.
• Participated in support (down to individual tickets assigned to users) for all ISE applications (Any Connect, AMP) and services.
• Hands on experience installing and configuring Cisco ISE 1.4 .
• Installing, configuring, and maintaining Cisco Switches (2900, 3500,4500,7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800).
• Experience working with Nexus 7010, 5548, 5596, 2148, 2248 devices.
• Worked extensively with Nexus 7000, 5000, 2000, Cisco 6500 series multilayer switches, Cisco 2960s series switches and Cisco 3560/3750s switches.
• Experience in deployment of CUCM versions 7.x/8. x./9.x/10.x/11.x/12. x.
• Subject Matter Expertise of VOIP protocols H323/MGCP/SIP/SCCP, Knowledge in Cisco UCS Virtualization, VMware.
• Worked on private DMVPN WAN to provide fast local SAN based backups/restores including remote offsite backups to our local Datacenter.
• Worked on F5 LTM/GTM, Big-IP, load balancing, I Rules , and WAN acceleration.
• Worked on F5 BIG-IP LTM 8900, Citrix NetScaler Configured profiles.
• Experience with Firewall Administration, Rule Analysis, Rule Modification.
• Deployed the switches in high availability configuration with HSRP.
• ACI VMM integration, Policy-Based Routing, Managed/Non-Managed Service Graph configuration -Gathers requirements and collaborates directly with Clients.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Worked extensively in configuring, Monitoring and Troubleshooting Check Point R77.XX security appliance, Failover DMZ zoning & configuring VLANs / Routing / NATing with the firewalls as per the design.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
• Hands on experience with configuring a cisco phones in a call manager and set up a voicemail in unity connection profile.
• Worked precisely on Solar winds monitoring tool, adding, deleting and unmanaging nodes, checked the backup settings in NCM.
• Performed various tasks with NTA, NPM, IPAM in solar winds.

Confidential, Atlanta, GA

Sr. Network Engineer

Responsibilities:

• Experience with configuring Cisco 6500 VSS in Distribution layer of the Data center network.
• Configuration and Administration of Cisco catalyst 7206 Routers and Switches.
• Performed Configuration on ASR 9k Pairs includes HSRP, Bundle Ethernet Configuration, Assigning DHCP profiles.
• Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7206 Series routers.
• Deploying and decommission of VLANs on core ASR 1006, Nexus 9K, 7K, 5K, 2k.
• Experience configuring VPC (Virtual Port Channel), VDC (Virtual Device Context), OTV (over lay transport virtualization) in Nexus 7010/7018.
• Complete Cisco ACS to Cisco ISE 2.2 migrations using automated and manual processes for an international port.
• Created documents for various platforms including Nexus 7k, ASR9k, and ASR1k enabling successful deployment of new devices on the network.
• Experience and configuration with different Arista switches 7050,7508,7010,7280,7148.
• Involved in migration from Site-to-sire GRE tunnels network to MPLS-based VPN for customer's WAN infrastructure. Configuring and troubleshooting Layer 4 VPN on Cisco, Juniper, and Arista .
• Configured Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000 to connect servers and storage devices.
• Experience with setting up MPLS Layer 3 VPN cloud in data center and working with BGP.
• Handled LinkedIn Corporate network day-to-day operations with office expansions, buildouts, and upgrades using Aruba network wireless .
• Installed, implemented & troubleshoot the Network Virtualization through VM Ware and NSX .
• Implemented and configured various OPNET-Riverbed Steel Central products including Flow Gateway, Net Profiler, Net Shark, Net Express, App Response 11, and Portal.
• Migrated to Juniper EX series switches from Cisco 3500, 3750 and 6500 series switches.
• Good knowledge with the technologies VPN, WLAN, and Multicast.
• Work with Load Balancing team to build connectivity to production and disaster recovery servers through F5 Big IP LTM and A10 Load balancers.
• Implementation and configuration of F5 BIG-IP LTM-6400 load balancers.
• Experience with configuring Virtual Server and Configuring Load balancing methods in F5 LTM, GTM, WAF, ASM&A10.
• Expert level knowledge of troubleshooting, implementing, optimizing, and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP .
• Implemented, configured BGP WAN routing, converting OSPF routes to BGP .
• Having experience in different storage related resources protocols CIFS, FCOE, NFS, ISCSI.
• Migrated Cisco Global Site Selector(GSS) to A10 Global Server Load Balancer(GSLB).
• Installing & Configuring Red hat Linux, win server, windows XP, win vista win 7.
• Having experience in both the versions pf Python 2 and Python 3.6 .
• Knowledge about setting up python REST API frame work using flask.
• Working on CISCO Prime LMS, NCS and Wireless controller to manage all WAPs .
• Used packet capture tools to trouble shoot the traffic logs.
• Implement changes on switches, routers, load balancers (F5, CSS), wireless devices per engineer’s instructions and troubleshooting any related issues. configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy it also includes the configuration of port channel between core switches and server distribution switches.
• Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed.
• Experience with Linux/UNIX environments and scripting for Build & Release automation.
• Expertise in visualization using VMware ESX server 5.5/6.0 vSphere, VMware Workstation , Virtual Box and Xen.
• Creating and managing Development and Continuous Integration Environments using VMWare ESX, automated through Jenkins, Docker and the VMWare CLI , also involved in several projects setting up builds using Foreman, Puppet and Chef .
• Experience with Management Platforms such as Panorama M-100, MDS, Smart center, Cisco CSM and Cisco FMC.
• Configure Panorama for Shared Policy and Reporting as well as log collection.
• Network security including NAT/PAT, ACL, and ASA/SRX Firewalls and firemon.
• Responsible for Cisco ASA 5500 firewall administration, Rule Analysis, Rule Modification.
• Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes
• Involved in configuring Juniper SSG-140 and Cisco ASA firewall, Cisco ASA Blue coat proxy.
• Utilized checkpoint smart -dashboard for firewall and troubleshooting.
• Installed and managed a combination of checkpoint, net gear, and cisco firewall products
• Configured Tufin secure Track for checkpoint firewall to analyze the firewall rules.
• Worked on firewall technologies like ASA 5580, and various checkpoint appliances and firemon.

Confidential, AUSTIN, TX

Sr. Network Engineer

Responsibilities:

• Troubleshooting and escalation management of day-to-day issues for offices, managing Co-location and Datacenter infrastructure.
• Experience with Project data and voice documentation tools &developing network design documentation and presentations using VISIO.
• Security policy review and configuration in Palo Alto and Junipers Firewalls in data center.
• Experience with Juniper SRX 240 Firewalls, QFX, MX, EX SERIES .
• Experience in configuring Juniper Layer 3 EX4200 & EX3200 switches . Design, implement and administer IPv4/IPv6 enterprise network infrastructure utilizing Juniper routers.
• Worked on Juniper J series j230, M 320 routers and EX 3200 series switch.
• Data center migration was involved in Access, Distribution and Core layers .
• Managing Palo Alto firewalls using the Panorama by configuring Device groups and Templates .
• Involved in Configuration of Access Control Lists (ACL) on checkpoint firewall proper network routing for the B2B network connectivity.
• Created effective network security by migrating from Check Point FW-1 NG to ASA 5510 Firewalls.
• Responsible for Checkpoint firewall and Palo alto (PA-2K, PA-3K, PA-5K) management and operations across our global networks.
• Extensive background in Cisco Switches and Routers , Cisco VPN Concentrators, Cisco ASA Firewalls, Cisco ISE, Checkpoint Firewalls, Multiple firewall load balancing devices and software, IPS (Intrusion Protection Systems), MPLS, VOIP.
• Experience working on different checkpoint blades including IPS, Threat prevention, identity awareness and URL filtering .
• Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built cost effective network solutions to according requirements and project scope.
• Upgrade Cisco 4500, 6500, 3750, 2960s, Nexus 5000, Nexus 2000, Nexus 7000 switch IOS software.
• Built site-to-site IPSec VPNs over Frame-relay & MPLS circuits on various models of Cisco routers to facilitate adding new business partners to new and existing infrastructures.
• Expertise in configuration of checkpoint firewall rules, NAT, site to site VPN connections , OSPF, BGP, EIGRP , QOS, Active-Active and Active-Passive fail over, and smart view tracker.
• Proficient in Cisco IOS for configuration & troubleshooting of routing protocols ( MP-BGP, OSPF, LDP, EIGRP, MPLS and BGP v4).
• Expert in F5 Networks configuration of devices such as LTMs, GTMs, ASM, WAF , DNS/DHCP services, Access policy manager (APM) and Application Security Manager (ASM).
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, BGP v4. Configured IP access filter policies.
• Experience with the all the layers in TCP/IP and protocols like HTTP, FTP, SFTP, Telnet and DNS.
• Experience in installing and configuring DNS, DHCP servers.
• Worked on Blue cat IP Address management tool for deploying the DNS Domains, DHCP, and IP.
• Working with Checkpoint Support for resolving escalated issues.
• Creating IP-Prefix list, route map, Distribution list for performing route manipulations.
• Designed network topology, configured and deployed Cisco VCS Expressway.
• Experience with design and implementation of Data center migration.
• Expert in configuring Cisco Routers, Catalyst Switches, Nexus Switches.
• Identify, design, and implement flexible, responsive, and secure technology services
• Implemented Positive Enforcement Model with the help of Palo Alto Networks.
• Innovated with support of Palo Alto for remote and mobile users and for analyzing files for malware in a separate process that does not impact stream processing.
• Managed complex wireless network strategies and imparted support to operational wireless computer networks.
• Installed configured and Administered Linux 5.x, 6.x and Windows 2008 R2, Ubuntu Servers.
• Updating kernel & security patches in Amazon Linux environment , handling out of memory issues in Linux kernels during rebalance in Kafka cluster.
• Expertise in design and implementation of Windows, VMware environments on Cisco UCS, HP Blade Servers, Dell Power Edge.
• Cloning, Building and deploying new VM's and Installing different guest OS like Windows & Linux .
• Used Python and Django creating graphics, XML processing, data exchange and business logic implementation.
• Having experience using Django, Python, XHTML, CSS, JavaScript and Node.js.
• Offered users with wireless network technical support and handled indoor and outdoor site.
• Monitored network for optimum traffic distribution and load balancing using Solar winds.
• Implemented security measures to keep networks running and secure to filter traffic and gave restricted access to certain users.

Confidential, Atlanta, GA

Sr. Network Engineer

Responsibilities:

• Performed security audit of perimeter routers, identifying missing ACL’s, writing, and applying.
• Responsible for layer 2 securities which was implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trunking, deployed port security when possible for user ports.
• Secured Internet connections using Cisco IOS IPS perimeter routers.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500switches .
• Optimized performance of the WAN network consisting of CISCO 3550/4500/6500 switches by configuring VLANs .
• Responsible for deployments, implementations, analysis, configurations, and troubleshooting in an enterprise LAN/WAN environment for datacenters, corporate, and branch offices.
• Prepare the LAN, WAN, WLAN high and low-level design for the project.
• Experience in change and incident management including ITIL process and root cause analysis.
• Configuring IPS, IDS, VLAN, STP, Port security, SPAN, Ether channel in Cisco Composite Networks.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Configured IP access filter policies.
• Providing Technical Support and solutions for Network Problems.
• Implementing NAT solutions on Cisco IOS routers.
• Installed and configured of Juniper J-Series (J2350) and M-Series (M10) routers .
• Installed and configured the ACE and CSM for firewall and Server Load balancing for Cisco Catalyst switches.
• Designed and configured of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Develop and document overall QOS requirements, design, and implementation.
• Implemented Quality of service QOS for critical applications and prioritize traffic for voice utilizing classification techniques like DSCP, and implementing Traffic shaping and Policing, VOIP applications by tweaking configuration on the routers.
• Worked with multiple site Upgrades data and VOIP equipment’s and in re-configuring the new device and making sure projects are done under defined project timelines.
• Responsible for developing and maintaining online documentation and resources pertaining to wireless network.
• Practice network asset management, including maintenance of network component inventory and related documentation and technical specifications information.
• Interfaced with customers and senior management for problem resolution and project planning.
• Ensure network connectivity of all servers, workstations, telephony equipment, fax machines, and other network appliances.
• Create and maintain documentation and Visio diagrams as it relates to network configuration, network mapping, processes, and service records. Oversee new and existing equipment, hardware, and software upgrades.

Confidential, Morristown, NJ

Sr. Network Specialist

Responsibilities:

• Involved in troubleshooting LAN connectivity, hardware issues in the network, IP addressing issues, created a backup and recovery policy for software application, verified the working of peripherals and Updating IOS images using TFTP.
• Strong Experience with G650, G350, G450, and G700 platforms, Servers.
• Build new stations, user profiles, DID and TFN adaptations in Confidential Aura System Manager .
• Responded to media gateway and server alarms through the Nectar monitoring application and managing all maintenance alarms through Confidential Communication Manager (CM).
• Worked on supporting a wide variety of networking components including Wireless Access Points, MPLS.
• Monitored network and servers to identify potential problems and bottleneck and troubleshoot to provide high performance.
• Interacted with support services to reduce the downtime on leased lines.
• Managed the IP address space using subnets and variable length subnet masks (VLSM) and Monitored the operability and reliability of the network.
• Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade & help LAN administrator with backbone connection and connectivity issues.
• Other responsibilities included researching and documenting the new monitoring solutions in the market which would suit the company needs.

Confidential

Network Associate

Responsibilities:

• Provide scalable, supportable TCP/IP security solutions along with TCP/IP network designs that enable business functionality.
• Configured workstations for IP based LAN’s with Cisco Routers 2500, 3800, 2800 and implemented protocols OSPF, EIGRP and Cisco Switches 2960 and 3560 L2 and L3 security features on devices and configured DHCP Client/Server for the network designed
• Designed and Configured VLANs for the two major divisions of the company the finance department and all others under one VLAN and implemented VTP Trunking on switches.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Set up and troubleshoot 802.11 wireless networks.
• Worked on and configured Inter-VLAN routing, redistribution, access-lists, and dynamic NAT to have a control of which departments accesses the Finance department data.
• Complete periodic checks of production and development systems; CPU utilization, memory profiles, disk utilization, network connectivity, and system log files
• Created users and groups and assigned privileges to them, as a part of Network Security.
• Responsible for the installation of various software components on several servers, backing up and restoring files across the network, troubleshooting backup and restore problems.
• Other responsibilities included Administrative tasks such as System Startup/Shutdown.

TECHNICAL SKILLS:

Network Configuration: Advanced switch/router configuration (Cisco IOS access list, Route redistribution/propagation).

Routing Protocols: IGRP, EIGRP, OSPF, BGPv4, MP-BGP

WAN Protocols: HDLC, PPP, MLPPP

Circuit switched WAN: T1/E1 - T3/E3/OCX (Channelized, Fractional & full).

Packet Switched WAN: MPLS, VPNs

Security Technologies: Cisco FWSM/PIX/ASDM, Nokia Checkpoint NG, Juniper SRX

Cisco Routers: Cisco GSR 12416, 12418, Cisco 7200vxr, Cisco 3640, Cisco 3600

Cisco Switches: Cisco 2960, Cisco 3560, Cisco 3750, Cisco 4500, Cisco 6500 series

Juniper EX Switches: EX8200, EX4500, EX4200, EX3200, EX2500, EX2200 Series

Juniper Routers: E, J, M and T- Series

Cisco Nexus Switches: Cisco 7010, Cisco 7018, Cisco 5020, Cisco 2148, Cisco 2248

Layer 3 Switching: CEF, MLS, Ether Channel

Layer 2 technology: VLAN, VTP, VMPS, ISL, dot1q, DTP, Spanning-tree, PVST

Physical interfaces: Fast Ethernet, Gigabit Ethernet, Serial, HSSI, Sonet (POS)

Redundancy and management: HSRP, RPR, NSF/NSR

QOS: CBWFQ, LLQ, WRED, Policing/Shaping.

Switches: Catalyst 6500, MSFC, MSFC2, 7600, 3700, 3500

LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q

WAN Technologies: ISDN, MPLS, leased lines & exposure to PPP, HDLC, and CSU/DSU

Operating Systems: Microsoft XP/Vista/7, UNIX, Linux (Red hat, Open Suse, Fedora) Windows Servers 2003/2008, Windows MS-Office