PROFESSIONAL SUMMARY:

• Certified Network Engineer with 8 years of experience in activities related to the design, installation, management, and maintenance of the enterprise - wide LAN, WAN, wireless and network security infrastructure. Expert level capabilities in windows and Linux, enterprise data network standards and network infrastructure. High aptitude to design and implement network solutions based on business requirements. Extensive technical knowledge and experience in monitoring, security, backup, recovery, and maintaining an Enterprise data center.
• Strong hands on experience in installing(rack and stack), configuring, Cisco IOS/IOS-XR CSM and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500, 1800 series Routers and Juniper J series j230, M 320 and MX960 routers, Cisco Catalyst 6500, 4500, 3750, 2950, 3500XL series switches.
• Experience of Cisco LAN Switches, including 6500, 3750 and HP 5500 and 5120 switch installation requirements and guidelines.
• Good working Knowledge of routing protocols such as RIP V1/V2, OSPF, IGRP and EIGRP.
• Implementation of HSRP, DHCP, DNS, FTP, TFTP, MRTG.
• Design and implementation of LAN/WAN, using Cisco routers, hubs and switches.
• Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, MPLS and BGP v4.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether-channel, STP, RSTP and MST.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/Routing/NATing with the firewalls as per design.
• Hands on experience in implementation and deploying BIG-IP F5 LTM load balancers for load balancing and network traffic management for business applications.
• Strong hands on experience in configuring and installing cisco CSR, cisco AMP .
• Experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2Kseries, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches.
• Ability to Install, Manage & Troubleshoot Large Networks & Systems Administration on Windows & Linux platforms in Development, Lab & Production Environments.
• Experience in configuring TACACS+, RADIUS and implementing with Cisco ACS .
• Switching tasks include VTP, ISL/ 802.1q, VLAN, Ether Channel, STP and RSTP.
• Good Understanding of Multiple Contexts in ASA firewalls and implemented different failover mechanisms among ASA firewalls.
• Worked on F5 LTM configuring different Load balancing methods Round Robin/Ratio based Etc.
• Configured different Custom ICMP Monitor on F5 LTM.
• Experience in Network Management Tools and sniffers like SNMP, HP-Open view, Wireshark and Cisco works to support 24 x 7 Network Operation Center.
• Experience with Load Balancers for administrating and monitoring global & local traffic.
• Hands-on experience with installing and managing IT services such as Active directory, site replication, DNS, SSH, DHCP, DNS and NAT.
• Configured Cisco routers/switches for VOIP including quality of service (QOS) guarantee of voice and data integrity.
• Experience in testing Cisco routers and switches in laboratory scenarios and then deploy them on site for production.
• Basic and advance F5 load balancer configurations, including migrating configurations from Cisco ACE to F5 and general troubleshooting of the F5 load balancers.
• Configure VRRP & GLBP and VLAN Trunking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Hands on experience on Up-gradation of Cisco IOS & Firmware of different Cisco devices & modules.
• Provides technical leadership for problem escalation and resolution.
• Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.

TECHNICAL SKILLS:

Cisco Routers: Cisco XR12016, ASR1001, 2900, 3900, 7200, 7600 & ASR9000

Cisco Switches: Cisco 3750, 4507, 4510 & 6500 series switches, Nexus 7010, 5548, 2448

Firewalls & Load Balancers: Cisco ASA 5585, 5550, 5540, Juniper SRX5400, 5600, 5800Juniper Net screen 6500, 6000, 5400. Juniper SSG Firewalls, Palo Alto F-5 BIG-IP: LTM (3900 and 8900), Blue Coat SG8100, AV 510, AV810.

LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet & 10 Gigabit Ethernet/Fibe

Switching Protocols: VLANS, SVI, VTP, STP, RSTP, 802.1Q, LACP

Network protocols: TCP, UPD, DNS, DHCP, ARP, IGMP, SNMP, RIP, OSPF, BGP, FTP, TFTP, SMTP, Telnet, Ether channel, Port fast, VSS, vPC, ISIS, Ethernet, Fast Ethernet, RAID systems, Frame-relay, VTP, SNMP, SNMPv3, ARP, Multi-Area OSPF, NBMA, Sonet, STP, BPDU, GLBP, Blade/Web Servers

Tools: Microsoft Office System (including Microsoft Word, Microsoft Excel, Microsoft PowerPoint, and Microsoft Outlook), QDC WiFi, Radius, WDC WiFi Radius, QDC RAP, Cisco WAAS Admin, Wireshark, Eclipse, Solaris Volume Manager, Veritas Volume Manager, Veritas cluster, Apache Web Server, Samba, SIEM.

IPSEC/VPN Configuration: PIX to Router, Router to Router, PIX to VPN wildcard client, Router to VPN wildcard client, PIX to PIX, fully meshed configurations

Operating Systems: Windows Server/8/7/Vista/XP, Nexus OS, Cisco IOS-XR, Linux, Unix (Mac OS)

PROFESSIONAL EXPERIENCE:

Sr. Network Administrator

Confidential, MN

Responsibilities:

• In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
• Maintained responsibility for the network engineer, including Cisco routers and Switching, firewall configuration, deployment, maintenance and troubleshooting.
• Involved in configuring and implementing of composite Network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Installed and configured Juniper EX Switches (EX2200, EX2500, EX3200, EX4200, EX4500, EX8200 series).
• Implemented IOS upgrades for Cisco router and switches.
• Designed Campus branches and data networking centers.
• Configured and involved in troubleshooting site-to-site IPSEC VPN tunnels using Cisco ASA 5540 for third party connectivity.
• Installed and configured Cisco wireless network, Wireless LAN controllers.
• Supported TCP-IP, DNS, DHCP, WINS, DFS, Group Policy, and Organizational Units.
• Helped the network team to install new switches and routers and configure the IOS according to the requirement which included VLAN, OSPF, Subnetting, EIGRP, BGP, VTP, spanning - tree, IP Sub netting, wireless access points, T1 circuits and PIM-SM using auto RP.
• Worked on ASR 9000 series switches with IOS-XR.
• Worked on High performance data center switch like nexus 7000 series.
• Created Network diagram for Cisco/ Juniper switches.
• Built IPSec based Site-to-Site VPN tunnels between various client locations.
• Involved in the DATA CENTER Implementation techniques and methodologies. Provide Tier 3 technical support for Riverbed Pilot, Shark, Profiler and ARX.
• Designed and implemented security strategies with Cisco and Palo Alto firewalls.
• Assisted in network design, deployment, and maintenance of network hardware. (E.g. Layer2/Layer3 switches, CWDM/DWDM multiplexers and SFP+ optics etc.).
• Migrated data to cloud environment. Good working knowledge of Azure and AWS.
• Designed and configured of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Configured Cisco Nexus (7k, 5K & 2K) and Brocade devices (MLX) for Network and SAN connectivity.
• Responsible for troubleshooting on Cisco ISE added new devices on network based on policies on ISE.
• Implemented and configured routing protocols such as RIPv2 HSRP, GLBP.
• Implemented, Configured and Supported Checkpoint (NGX R65, R70 and R71), Juniper Firewalls (SRX5400, SRX5600, and SRX5800).
• Configured ASM policies for external applications.
• Responsible to evaluate, test, configure, propose and implement network, firewall and security solution with Palo Alto networks.
• Experienced working with Nexus OS, IOS, CATOS and Nexus 7K, 5K & 2K Switches.
• Worked with network services like DNS, DHCP, DDNS, IP4, IP6, IPSec, VPN etc.
• Configured and maintained IPsec and SSL VPN's on Palo Alto Firewalls.
• Experience with Riverbed, Steelhead, Netflow and Wireless LAN Controller configuration.
• Implemented SNMPv3, GLBP, Rapid STP, regular scheduled IOS updates, and configured network components of Video Teleconferencing deployment across HRSA.
• Configured policies on ASM using manual policy enforcement and auto policy enforcement with F5 ASM, LTM, and APM.
• Validated and reported Wireless network based on post-Wireless site survey.
• Configured Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210
• Worked with Cisco ACE GSS 4400 Series global site selector Appliances.
• Configured SNMPv3, NTP, DNS, SSH parameters on routers, switches and terminal servers as well as MD5 authentication on routers for OSPF protocol.
• Configured and monitored Riverbed WAN X and WAN Interceptors.

Environment: Cisco 6500/7500/7200 Routers, Cisco 3550/4500/6500 switches, Palo Alto, Nexus 2k/5k/7k, Juniper SRX100, Juniper Switches EX4200, Juniper routers (MX960, MX480, MX240, MX104, PTX3000, PTX1000, M7i, M10i, M320), ASR 1000, 9000, Cisco ISE, Cisco PIX (525, 535), ASA (5505, 5510), Unix, Linux, HSRP, PPP, VPN, OSPF, RIP, BGP, EIGRP,, LAN, WAN, Checkpoint.

Sr. Network Administrator

Confidential, New York

RESPONSIBILITIES:

• Worked on 2600, 3500, 7613& ASR 9KCisco Routers and 4500 and 6500 series Cisco Switches.
• Performed VSS on Cisco catalyst 6500 series switches.
• Worked in high availability Nexus Environment and provide Level 3 Network Support.
• Configured, upgraded and verified the NX-OS operation system.
• Performed VOIP sector configuration and service administration.
• Worked on Riverbed Steelhead Appliance for WAN Optimization.
• Implemented VMware ESX server to provide multiple virtual hardware platforms while keeping hardware costs and energy consumption low.
• Configured and administered Riverbed Steelhead.
• Managed User accounts in TACACS and HPNA tool.
• Assigned various subnets to HPE internal SPI.
• Responsible for designing and implementing Cisco VOIP infrastructure for a large enterprise and multi-unit office environment.
• Sole point of contact for all wireless issues.
• Worked on connecting to database and fetch the data with Perl/Python.
• Wrote shell scripting for several jobs to clean up disks and bad files on the server.
• Localized and updated PERL modules.
• Configured IPsec tunnels with Palo Alto to enable secure transport and cloud based/site-site VPN to both Azure and AWS.
• Worked on different monitoring tools Solar Winds, Riverbed and Net scout to resolve the issues.
• Worked on Cisco ACE load balancers. Experience with F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Implemented Cisco Works 2000 device to manage Cisco routers, switches, PIX and ASA firewall, Access Points, Concentrators.
• Deployed Qos for VOIP implementation across Vanguard Infrastructure.
• Upgraded and downgraded OS on ASA firewalls, Palo Alto Network firewalls, Cisco Routers, Cisco Switches, F5 LTM and F5 GTM.
• Provided full visibility and notification of authorized and unauthorized network access with integration of CISCO ASA/FWSM and NAC solution.
• Managed the F5 Big IP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs.
• Worked in managing VMs in Amazon using AWS -EC2, RDS, Red shift EMR.
• Implemented WAN Optimization using Riverbed Steelhead CMC and SMC Appliances.
• Knowledge on Ether Channel, Spanning Tree, Trunking, ACLs, Syslog.
• Worked on Juniper MX 480 and Juniper MX 80.
• Solid experience on ALU GSM, UMTS, LTE equipment.
• Worked on Set up of DNA testing, established support orders for child support.
• Configured rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools
• Designed and configured of OSPF, BGP on Juniper Routers and SRX Firewalls.

Environment: Cisco ASR9000, 9006, 9001, 6500 series Routers, Cisco 4500, 3750, 3550, 3500, 2960 switches, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, Ether Channels, Juniper M series router.

Network Administrator

Confidential - Atlanta, GA

RESPONSIBILITIES:

• Involved in complete LAN, WAN, Extranet redesign (including IP address planning, designing, installation, pre configuration of network equipment, testing, and maintenance) in both Campus and Branch networks.
• Configured SMC Router & links Routers, and to provide networking solution.
• Performed Site preparation for 2.5 LTE Commissioning.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Involved in HSRP standby troubleshooting and load balancing protocol GLBP, Port channel management of the network.
• Implemented Zone Based Firewalling and Security Rules on the Palo Alto Firewall.
• Knowledge on WAN technologies such as T1, T3, DS3, OCx, SDH, SONET, LTE, Fiber and Frame relay.
• Provided Network support and maintained Riverbed Steelhead 2050 series.
• Worked on UNIX servers setup as Samba integrated Windows domain file and print, DNS, Nagios (SYSLOG), FTPS/SFTP and Apache web servers.
• Worked with customers in all stages of the child support process.
• Created tickets for maintenances using HPE Service Manager.
• Worked on Active Directory, GPOs, File & Print Server, FTP, Terminal Server, NAT, and Exchange Mail Server. Administration of production Windows Servers infrastructure that includes Domain Controllers, IIS Web Servers, SharePoint, File and Print and FTP/SFTP servers
• Configured Cisco switches for L3 and L2 VLANs with HSRP, VTP and EIGRP implementations.
• Involved in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Provided application level redundancy and availability by deploying F5 load balancers LTM.
• Involved in the troubleshooting aspects of complex network infrastructure using routing protocols like EIGRP, OSPF and BGP. Configuring Palo Alto policies and setting different device configurations.
• Installed and configured new Cisco equipment including Cisco catalyst switches 6500, Nexus 7010, Nexus 5548 and Nexus 2k as per the requirement of the company.
• Installed dual DS-3 SAN replication WAN with Riverbed Interceptors and 6050 Steelhead appliances to optimize the traffic.
• Assisted with management of IT Infrastructure work streams for HPE integration.
• Designed and developed solutions architecture, work plan and a proposal for creating a provider enrollment infrastructure in AWS using Amazon RDS for operational data store and Redshift for data warehousing and analytics.
• Worked extensively with 3Com & Cisco routers and switches; AGS+, 1000 series, 2500, 4006, 5500 (for WAN MAN & LAN) and some Juniper routers.
• Dealt with creating VIP (virtual servers), pools, nodes and applying iRules for the virtual servers like cookie persistency and redirection of URL and F5 ASM cookies issues and configures ASM policies
• Planned and implemented Sub netting, VLSM to conserve IP addresses.
• Planned and configured the routing protocols such as OSPF, EIGRP, RIP, and Static Routing on the routers.
• Designed and implemented SFTP solution with Linux to provide e Confidential ypted data transfers with free open source technology.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP and SCP file transfer protocols
• Configured and Maintained the Local Network using 2900, 6500 series Switches and 2800 series Routers. Configured and installed the 3600 series Router.
• Configured Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210
• Implemented Site-to-Site VPNs over the Internet utilizing 3DES, AES/AES-256 with ASA Firewall 5505.
• Designed and implemented VLAN using Cisco switch catalyst 1900, 2900, 5000 & 6000 series.
• Created change tickets according to the scheduled network changes and implementing the changes.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 7200/3845/3600/2800 routers, Cisco ASA(5505, 5510),LTM, Checkpoint,F5 Load Balancer Cisco Nexus7K/5K, MPLS, Frame Relay, RIPv2, OSPF, BGP, IPSEC, VLAN, STP, VTP, HSRP.

Network Engineer

Confidential, New York, NY

RESPONSIBILITIES:

• Implemented and maintained network design, structure, up gradation and configuration of routers and switches at the client server for 400+ users.
• Worked using routing protocols EIGRP and BGP based company network for resolving level 2 and 3 issues.
• Implemented and configured Static, RIP and OSPF protocols on Juniper M and Cisco Routers.
• Performed troubleshooting and management of OSPF and BGP protocols on routers.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Worked in JUNOS platform and with IOS upgrade of Juniper devices.
• Worked on IP addressing based on subnetting and Variable Length Subnet Mask.
• Supported customers with the configuration and maintenance of PIX and ASA firewall systems.
• Monitored the routing traffic using Cisco 2000 and Wireshark.
• Supported clients with the configuration and maintenance of PIX and ASA firewall systems.
• Configured Spanning tree, VSTP, VLAN, SNMP on EX series switches.
• Provided technical support in LAN and WAN connectivity and hardware issues in the complex network system.
• Configured Multi-protocol Label Switching (MPLS) on Cisco IOS XR Software
• Connected various routing and switching devices with CAT 5/ 5E cabling.
• Provided Tier2 LAN and WAN operational support to network call center, supporting the remote, domestic and international offices.

Environment: CISCO 3750/3550/3500/2960 switches and CISCO 12000/7200/3845/3600 routers, CISCO

ASA5510, Checkpoint. Juniper firewalls 5GT, 208, SSG 5, 140, 550, 550M, NSM, IDS/IPS, Vulnerability Assessment tools like Nessus, Red Hat, Solaris, Juniper VPN's, SSL.

Network Engineer

Confidential

RESPONSIBILITIES:

• Worked in Network building and Network infrastructure management team.
• Creating VLANs and Inter-VLAN routing with Multi-Layer Switching (MLS).
• Maintenance the general networking objectives of system/network operations.
• Configured and installed Cisco routers 2500, 2600, 3601 and 4000 series.
• Configured EIGRP for lab environment.
• Answer questions to case participants relating to their financial child support/spousal support.
• Project managing complex network implementations, including Cisco PIX firewall and Cisco Intrusion Detection System installation, Cisco VPN and Layer 3 implementations.
• Involved in troubleshooting IP addressing issues and updating IOS images using TFTP.
• Switches Replace branch hardware with new 2851 routers and 2960 switches.
• Handled installation, configuration and troubleshooting of operating systems NT/2000, XP, and Solaris.
• Experience in troubleshooting of Layer 2 features (VLAN, STP, RSTP, VRRP, and Ether Channel).
• Worked with up gradation, replacement of NICs, display cards, RAM peripheral devices.
• Coordinating with vendors in ordering new products.
• Cisco IOS Architecture for Cisco routers and switches
• Provide high-level technical support, including identifying and resolving problems on Cisco supported products for e-Commerce infrastructure. This included external routing and internal/intranet routing for DMZ servers
• Provided helpdesk support that involved identifying and escalating the tickets to specific groups.

Environment: CISCO 2600, 2800 and 3200 series routers, CISCO 3300 and 2950 switches.