SUMMARY

• Skilled professional experience of 7 years as Network Engineer.
• Managing and maintaining the PC’s Routers, Switches and Firewalls.
• Good knowledge about OSI model. Knowledge of IPv4 and IPv6 addressing.
• Configuration troubleshoot and maintenance of DNS, ARP, DHCP and other IP conflict problems.
• Experienced in layer - 3 Routing and layer-2 Switching. Dealt with Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series, Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches, and Juniper devices such as Mx960, PTX5000, Mx2020, Arista 7500 series devices.
• Working Knowledge on Devices like Juniper SRX240, Alcatel5620 SAM, 9500 MPR and Omni switch 6400.
• Knowledge in planning, design, implementing & troubleshooting complex networks & advanced technologies.
• High level knowledge of deploying and troubleshooting LAN, WAN, Ether-channel, IP Routing Protocols - (RIPV2, OSPF, EIGRP & BGP), NAT/PAT, Access-lists, VLAN, STP, VTP, HSRP & GLBP.
• Designing, implementation of IP Routing Protocols RIPv1 & v2, EIGRP, OSPF (diff types of area) and BGP.
• Designing, implementation of Layer 2 switching: port-security, VLAN, VTP, 802.1q, DTP, STP, RSTP, PVST, RPVST, MPLS.
• Network Configuration: Advanced switch/router configuration (Cisco IOS access lists, Route redistribution / propagation).
• Configure and troubleshoot NAT. Documentation of network topology. Network Performance monitoring environments through SNMP, NetFlow, ICMP, and SolarWinds.
• Strong fundamental knowledge in implementing Layer-2 level technologies including VLAN's, VTP, STP, RSTP and Trunking.
• Dealt with configuration and troubleshooting with various nexus platforms such as N7k, N5K and N2k.
• Substantial working experience on Cisco Nexus switches (2000, 3000, 5000, and 7000 series) and ASR & ISR Routers.
• Specialized in dealing with various high CPU issues and packet loss issues on all most all L2 and L3 devices.
• Knowledge of DMVPN over BGP networks. Good knowledge and troubleshooting in data communication protocols and standards including TCP/IP, UDP.
• Configuration of BGP with different attributes like weight, local preference, MED, as-path.
• Configuration of BGP scalability features like Route-Reflector.
• Configuration of Policy based routing, route-maps, distributing-list.
• Stronghands-on experience in deploying and configuring firewalls like Palo Alto, Checkpoint, Juniper SRX and Cisco ASA.
• Working knowledge with Load Balancers F5 LTM like 3900, 6900 for various applications.
• Involved in the integration of F5 Big-IP load balancers with Checkpoint firewalls for firewall load balancing and was responsible was troubleshooting and maintenance.
• Working knowledge of Firewall, LDAP, AAA, TACACS/RADIUS, and IPSEC.
• Planning, Designing & Implementing VPN connections using checkpoints, ASA and Cisco routers using site-to-site VPN’s.
• Installed and maintained production servers for client services (web, dns, dhcp, mail). Experienced on working with Palo Alto Next Generation firewall with security, networking, and management features such as URL filtering, Anti-virus, IPsec VPN, SSL VPN, IPS, Log Management etc.
• Migration and implementation of Palo Alto Next-Generation Firewall seriesPA-500, PA 3060, PA 5060, PA 7050, PA 7080 from Cisco PIX and ASA.
• Experience in PALO ALTO 500, 800 and 2000 series. Cisco VPN, site-to-site VPN and GRE tunnel configuration, implementation, maintenance.
• Security policy configuration including NAT, PAT, VPN, SSL-VPN, Route-maps and Access Control Lists.
• Involved in troubleshooting network traffic and its diagnosis using tools like ping, Traceroute, WireShark, and UNIX operating system servers.
• Experienced working on network monitoring and analysis tools like SOLAR WINDS, CISCO works and RIVER BED and Wireshark.
• Hands-on experience of Python scripting, automation using Python, string parsing, libraries, API's.
• Worked as part of delivery team where my daily tasks included code upgrades, prefix-list addition, and access-list addition using python script and on Linux platform based on tickets generated by customers.
• Configured VLANs and access ports connecting virtual machines using the NX-OS CLI on a Cisco Nexus 1000v virtual machine and VMWare vSphere Client networking.
• Configuring VLANs/routing/NAT/PAT with the firewalls as per the design.
• Experience in maintaining stable STP topology using Port fast, BPDU guard, root guard and UDLD.
• Experience in configuration and extension of VLAN from one network segment to other segment between different vendor switches (Cisco).
• Efficient at use of Microsoft VISIO/Office for technical documentation and presentation tools.
• Effective inter-personal skills, adaptive to any environment, keep abreast with the latest technologies and delivering solutions as an individual and as part of a team.
• Capable at grasping new technical concepts quickly and utilizing the same in a productive manner.

TECHNICAL SKILLS

Networking Protocols: RIP, RIPv2, OSPF, EIGRP, BGP, STP, RSTP, PAGP, LACP, MPLS, HSRP, VRRP, GLBP.

Routing: Static Route, RIP, RIPnG, EIGRP, OSPF & BGP, MPLS, DMVPN, Traffic Engineering, Policy Based Routing, Route Filtering, Redistribution, Summarization, Tunnel Technique:6t04, ISATAP, MPLS-L3 VPN, L2 VPN, MP-BGP & LDP.

Communication Protocol: TCP/IP, UDP, DHCP, DNS, ICMP, SNMP, FTP, TFTP, ARP, RARP, PPP, HDLC, ISDN, SDN, and SD-WAN.

Addressing and Others: Multicasting, IPV4, IPV6 Addressing, PIM dense, PIM sparse, FLSMVLSM, PIM Sparse dense mode.

IP Multicasting: IGMP, PIM, MSDP.

LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet VLANS, VTP, STP, PVST, R-PVST, RSTP, 802.1W.

WAN Technologies: MPLS, GRE tunneling, Frame Relay, ISDN, Leased lines & exposure to PPP, HDLC, DS1, DS3, T1/T3 & SONET.

Router Platforms: Cisco routers (7600, 7200, 3900, 3600, 2800, 2600, 2500, 1800 series) Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900, 6807 series), Cisco ASR 1002, 1004, 1006, ASR9K and Cisco IOS 12x, 15x etc. Nexus 7k, 5k, 2k & 1k.

Switch Platforms: Cisco 2900XL, 2950, 2960, 3560, 3750, 4500 and 6500, Nexus (2K, 5K, 7K and 9K)

Juniper Platforms: SRX, MX, EX Series Routers and Switches

Monitoring Tools: Wire shark, SolarWinds and Net flow Analyzer.

Security: NAT/PAT, IPSEC, Authentication AAA-TACAS, RADIUS, Palo-Alto, ASA 5510, Cisco ASA 5520, Cisco ASA 5540, Cisco ASA 5550.

Wireless: Autonomous AP’S, LWAPP, WLC, Standards 802.11A/B/G.

Load balancers: F5 BIG-IP Application Delivery Controller

Project Methodologies: Rational Unified Process, SDLC, Waterfall, Agile

Documenting tools: Word, Excel, Power Point, and Visio.

Operating systems: Windows XP, NT, 2003, 2000, 98, 95, Linux.

Databases: Oracle 8i/9i, SQL Server 2000, MS Access

PROFESSIONAL EXPERIENCE

Senior Network Engineer II

Confidential, Peoria, IL

Responsibilities:

• Responsible for day to day management of Cisco Devices, Traffic management and monitoring.
• Implemented routing protocols RIP, OSPF, and BGP.
• Strong knowledge of Cisco software IOS and hardware.
• Responsible for service request tickets generated by the other teams in all phases such as troubleshooting, maintenance, upgrades, patches, fixes, and in around technical support.
• Experience with configuring Virtual Server and Configuring Load balancing methods in F5 12.0 LTM.
• Performed Migration from Cisco ACE Load Balancers to F5 LTM.
• Configuring and implementing VPN Tunnels using IPSec encryption standards.
• Cisco 7200 and 7600 routers are being used as Provider Edge (PE) routers where we configured BGP to connect with MPLS service provider.
• Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on customer's site.
• In the MPLS connectivity ASR 1k and 9K devices are used as Customer Edge (CE) routers and deployed VRF.
• Experienced provisioning SD-WAN service as automated failover solution for MPLS VPN by Cisco Meraki MX 80 Firewall.
• Good experience working on Citrix Net scalar 1000v. Implemented it along with F5 load balancers, Configured and troubleshooter for issues Working knowledge on doing tcpdump on F5 to find out the tails which Prod Server hitting.
• Configured Policy based routing and access-lists for Stage Networks.
• Worked on moving 2KU8 LRU to PTS3 in production environment for policy test.
• Statically Added and Removed most of the IP Address from VLANs on DHCP Server.
• Attended meetings and gained knowledge on Production PTS tail (Flight) move.
• Worked with team on assignment of Lab BBU IP Address assigning.
• Worked with connection inconsistent problems in LAB and Data Center.
• Involved in designing and implementation of AWSnetworkand connectivity b/w physical and AWS DC. Worked with the Python 2 & 3 version. Worked with Automation script with Python module like Chef& Ansible.
• Hands-on experience on Checkpoint Firewall R77, Palo Alto and Cisco ASA 5520 firewalls.
• Worked with team to establish WAP and ACPU network connection between one LAB Networks to other LAB Network for Testing.
• Responsible for layer 2 securities which was implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trunking.
• Hands on experience in Aruba S2500 switches, Aruba 7200, 3600 series wireless controllers, Aruba IAP 105, Airwave Products and clear pass Servers.
• Involved in implementation of trunking using Dot1Q tunnel on Cisco Catalyst Switches.
• Configured new Meraki MX400 to the existing network.
• Changed the DNS configuration for JAL2 simulator.
• Experience configuring Virtual Device Context in Nexus C7706.
• Configured Layer 2 & Layer 3 interfaces and port channels on Nexus 7609, 5596.
• Configured datacenter technologies like VPC, VDC on Nexus 7706 Core Switches.
• Extensive knowledge working with Service Now ticketing system for Request, incident and change management.
• Remediation of firewall rules from checkpoint firewalls to Cisco ASA firewalls and their implementation.
• Configured and maintained IPSEC and SSL VPN's on Palo Alto Firewalls.
• Experience with design and configuring Overlay Transport Virtualization (OTV) on Cisco NX-OS devices like Nexus 7K.
• Installed and Managed F5 Big-IP LTM/GTM for providing high availability and configured virtual IP(VIP), Pools, nodes, irules for load balancing and Packet filters for security.
• Participate in planning, implementation, and growth of our customer's Amazon Web Services (AWS) foundational footprint.
• Setup of Central Panorama console to manage Palo Alto firewalls 3020, 3050, 5020 & VM-200 models.
• Created and wrote documentation for vACPU network setup in the LAB.
• Basic and advance F5 load balancer configurations, including migrating configurations from Cisco ACE to F5 and general troubleshooting of the F5 load balancers.
• Experience with using F5 Load balancer in providing worldwide data and file sharing, continuous internet connectivity, optimized web performance.
• Palo Alto design and installation (Application and URL filtering, Threat Prevention, Data Filtering).
• Pointing Data-groups to different Prod Servers on users request for testing purpose.
• Understand architecture and drawn Visio diagrams for Lab Networks.
• Created enterprise Visio diagrams detailing current layer 3networkinfrastructure to enhancenetwork management.
• Settled LET setup in the RF Lab and extended the setup.
• Installed, configured and troubleshot Cisco wirelessnetwork, Wireless LAN controllers.
• Used multiplenetworkmonitoring tools like Solar Winds, Cisco Prime for supporting the existing core networkenvironment andNetworkedge devices.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
• Setup Network Video Recorder (NVR) in the Data center and Development LAB.
• Installed, configured and set security policies on Cisco ASA firewalls.
• Acquired strong skills in working with cloud based wireless technologies like 802.11a/n/g, Cisco Meraki andArubawireless.
• Did password recovery for Routers and switches in the Production and testing environment.
• Supported customer with the configuration and maintenance ASA 5550 firewall systems. Configured object groups on ASA 5550 firewalls.
• Deploying and decommission of VLANs on core ASR 9K, Nexus 9k, 7K, 5K and its downstream devices.
• Supported Infoblox appliances grid environment for DNS, DHCP and IP Address Management tools (IPv4).
• Worked on Blue Coat Proxy SG to safeguard web applications (Black listing and White listing of web URL) in extremely un-trusted environments such as guest Wi-Fi zones.

Senior Network Engineer-IP/Data Transmission

Confidential, Richmond, VA

Responsibilities:

• Designing and implementing routing/switching protocols in complex environments including BGP, EIGRP (also with redistribution) Spanning Tree, 802.1q as well as Site to site VPN implementation using MPLS.
• Implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP as well as implementation of HSRP, VRRP for Default Gateway Redundancy.
• Involved in a team of members for the Planning, Operation & Maintenance of Confidential IP & Transmission NOC.
• Configuration of L2 & L3 Switches like Cisco 2950, 2960, 3400, 4948 for DCN of various networks. IOS upgrade for core routers such as 7600 series.
• Configuration of VLANs, VTP, STP, ACLs, Route Maps for Voice Service & DCN.
• Configuration of different routing protocols - EIGRP, OSPF, BGP for Inter MSC Voice Traffic.
• Experience in solving problems related to Cisco VPN devices such as Cisco ASA Firewall, Cisco Routers and Cisco VPN Clients.
• Configuring and Troubleshoot critical to business like network down, policy changes and Site-to-Site VPN Works with IP Sec + GRE tunneling on CE/PE routers as well as on firewalls.
• Implement the edge router with security policies by ACL (time based and infrastructure ACL). Provide AAA authentication for users with TACACS+ server.
• Troubleshooting the point to point over Ethernet technologies and implementation specifics in Ethernet over Fiber, Ethernet over Copper and Layer-3 VPN with Ethernet access.
• Active monitoring of network components (LAN & WAN) and proactive engagement to mitigate failure.
• Monitor incoming and outgoing network traffic through a VPN. Troubleshooting problems related to firewalls/routers, VPN connectivity issues.
• Providing capacity and performance reports of network (LAN & WAN) on a monthly/quarterly basis.
• Upgrading the IOS on 1900, 2900, 3500 series Cisco Catalyst Switches and 2500, 2600, 3600 series Cisco Routers using TFTP.
• Managed licensing, VDC and VPC in Nexus 7000 series DC switch.
• Involved in Migration of GB Links (GPRS Traffic) from L3 Cisco Switch (C4948) to Carrier Ethernet Network (CEN) which is a complete MPLS Backbone Network which involves high end Core Routers such as C7609, C7606 & C7603.
• Implementing HSRP & VRRP in Cisco C4948 Switches for all GboIP links (GPRS Traffic Protection) in the Network.
• Configuring WAN Links between two Routers/Switches as per the bandwidth required in coordination with TX team.
• IP Planning for New Nodes, Gateway Planning & DCN Implementation.
• Daily analysis of GPRS utilization report of all CEN Routers (C7609, C7606, C7604 & C4948).
• Strong experience working with Network monitoring tools (SolarWinds and Netcool), monitored network for optimum traffic distribution and load balancing using Solar winds.
• Validate existing infrastructure and recommend new network designs.
• Troubleshoot and escalate all incidents using Netcool and SolarWinds.
• Solar winds Administrator: discovering and monitoring nodes on the network, adding removing users, configuring alerts for network Devices, Servers and applications. Installing new solar winds modules and training staff.
• Provides management level reporting of firewall and Intrusion Protection System (IPS) activity on a periodic basis.
• Create, review and update the salesforce tickets according to the SLA. Maintains accurate and up to date interactions in Salesforce CRM.
• Supported on call troubleshoot with technical and non-technical.
• Proficient oral and written communication skills to effectively communicate with operations and other technical groups for training, troubleshooting and problem resolution closure, as well as keeping network documentation current.
• Ability to effectively communicate with users and staff of all levels, as well as external vendors.
• Service assurance /Service Delivery for the visible network end to end customers.

Network Engineer

Confidential, Stamford, CT

Responsibilities:

• Responsible for implementing, supporting, and maintaining 24x7 network services
• Coordinated efforts with Engineer’s to ensure all network devices conformed to defined network standards
• Worked with MSC- Microsoft system center manager
• Configured various Routing protocols such as RIP, OSPF, EIGRP, static routing
• Provided configuration of STP and Port Security on Catalyst 6500 switches
• Configure the Cisco CRS-1 Routing System, back out of configuration changes, and restore older versions of a configuration
• Troubleshooting of Cisco 2800,2900, 3900, 7200, 7600, Series routers
• Configure the Cisco IOS XR security features in both owner SDR and non-owner SDRs
• Configure legacy route map configurations using the new Cisco IOS XR Routing Protocol Language (RPL)
• Worked with Juniper net Screen 500/5200 and also juniper SRX 650/3600
• Worked on Fiber channel over Ethernet (FCOE) for connecting 10gigabit Ethernet networks
• Maintaining Core Switches, creating VLANs and configuring VTP
• Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs
• Experienced working with Tomcat and Apache servers in troubleshooting network issues for our internal server teams
• Worked with Enterprise Intrusion Detection / IPS (Snort, Source fire, Juniper IDP, IBM ISS, McAfee Intrushield)
• Designed on - premise IVRs for integrating with the ACD and CRM systems to ensure maximum efficiency in call handling
• Performed redistribution with OSPF, EIGRP, RIP version 1 and 2 to enable communication with backbone
• Configured OSPF for Stub area, Totally Stubby Area and NSSA
• Executed BPDU Guard, port-fast, uplink fast and other spanning tree features on various layer 2 and layer 3 switches
• Worked on video from end-point in the network
• Troubleshooting advanced Riverbed Issues and settings
• Configured and optimization settings of Riverbed
• Troubleshooting of Cisco 2900, 3900, 6500, 7500, 7200 Series routers
• Configured static NAT, dynamic NAT, dynamic NAT overloading
• Back up a Cisco IOS to a TFTP server and Upgraded and restored a Cisco IOS from TFTP server
• In-depth expertise in the implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems
• Worked on a broad range of topics such as proactive monitoring and maintenance, disaster recovery exercises, and core network repairs
• PGW, XGW and SGW configuration on 4G LTE, CDMA, WCDMA network
• Route configuration and point code checks for System Technician and Network Technician
• Knowledge and experience of 802.11 a/b/g/n Ethernet standard for wireless Technology
• Worked with other team members in testing of the network architecture
• Participated in quality system implementation project
• Configure wireless routers on enterprise network

Network Engineer

Confidential

Responsibilities:

• Involved in administrating and maintaining corporate infrastructure including Network Connectivity and Internet access.
• Used TFTP server to backup Cisco configuration files.
• Involved inLocal Area Network (LAN) implementation, troubleshooting & maintenance as per company’s requirements.
• Provided technical support for expansion of the existing network architecture to in corporate new users.
• 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 issue, other responsibilities included documentation and support other teams.
• Network layer tasks included configuration of IP Addressing usingFLSM,VLSMfor all applications and servers throughout the company.
• Implemented and Configured IP Routing Protocols: OSPF, EIGRP, and RIPv2.
• ConfiguredOSPF andEIGRPon Cisco 2901 and 3925 routers
• Managed Cisco PIX firewall for ACL and VPN.
• Configured STP for loop prevention onCisco Catalyst Switches.
• Configured VTP to manage VLAN database throughout the network for Inter-VLANRouting.
• Worked in setting up Inter-VLAN routing, redistribution, access-lists and dynamic routing.
• Configuring and implementing of Composite Network models consists of Cisco 3750, 2620 and 1900 series routers and Cisco 2950, 3500 Series switches.
• Implemented various Switch Port Security features as per the company’s policy.
• ConfiguredVLANSto isolate different departments.
• Troubleshoot issues related toVLAN,VLAN Trunking, HSRPfailovers and related issues.
• Performed replacements of failed hardware and upgraded software.
• Managed Cisco PIX firewall for ACL and VPN.
• Experience in Microsoft office applications, such as Excel, PowerPoint, Word, Visio.

Network Associate

Confidential

Responsibilities:

• Migration of RIP V2 to OSPF, BGP routing protocols
• Configured EIGRP for Lab Environment
• Implemented ISL and 802.1Q for communicating through VTP
• Worked with Client teams to find out requirements for their Network Requirements
• Designing solutions for frozen requirements using Cisco Routers and Switches
• Deploying the network infrastructure to meet the requirements
• Created VLAN and Inter-Vlan routing with Multilayer Switching
• Documenting and Log analyzing the Cisco ASA 5500 series firewall
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed administrative support for RIP, OSPF routing protocol
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP
• Real time monitoring and network management using Cisco Works LM.
• Provided technical support on hardware and software related issues to remote production sites