OBJECTIVE

• Utilize the resources for the best Problem - Solving logical approach with creative abilities, technical uniqueness and experiences to tackle potential complications.

SUMMARY

• Network Security Professional with 11+ years of progressive information technology experience. Other responsibilities have included intrusion analysis, server and network administration, disaster recovery, incident response and security device evaluation and recommendation.
• Extensive experience in Design network layout, subnetting, LAN, WAN configuration, installation and configuration of Cisco routers, level two and level three switches, firewalls, IPS and load balancers. Specializing in network security and VPN.
• Worked on Cisco Catalyst series 2900, 3560, 3750, 4500, 4900, 6500 and Cisco 1800, 2600, 3600, 7200, 7600 routers.
• Worked on Nexus platform 7010, 5K series (5548, 5020 and 5010) and FEX (2248, and 2232) and deployed VPC, VDC and OTV and successfully implemented VSS on the cisco catalyst switches.
• Expertise understanding in implementing and configuring F5 Big-IP LTM-3900, and 6900 LOAD BALANCERS, maintained policies.
• Strong working experience on Firewalls, ACS, Cisco ASA 5540 Series.
• Proficient hands on experience in configuration & troubleshooting of routing protocols and deployment of OSPF, EIGRP, BGP, IS-IS and Policy routing on Cisco Routers.
• Experience in implementing, maintaining and troubleshooting L2 switching tasks such as VLANs, VTP, VLAN Trunking using ISL and 802.1Q, STP, RSTP, PVST+, Etherchannel using LACP and PAgP, Inter-Vlan routing, CEF and DCEF.
• Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP).
• Expertise in implementing Security policies like NAT, PAT, DMZ, Firewalls, Encryption IDS, IPS, VPN and Access lists.
• Good experience in physical infrastructure like structured cabling, IP address management, Racking, Stacking, UCS management.
• Implemented traffic filters using Access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
• Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
• Experience in T1/E1/T3 technologies and different LAN & WAN technologies.
• Proficient in using MS Visio for documentation.
• F5 BIG-IP troubleshooting and management experience
• Citrix NetScaler content switching, Access Gateway and Policy Configuration
• Web, SSL, Mail, DNS, NFS, NIS/NIS+ and Java
• Configuration and Implementation of IPv4, IPv6,

PROFESSIONAL EXPERIENCE

Confidential, Montvale, NJ

Sr Network Engineer

Responsibilities:

• In the process of Data center fabric migration, performed migration from legacy Catalyst 6513 Switches to Nexus 7010 switches adhering to ITIL change Management Procedure.
• Configured and maintained VPCs with 7010 and 5548 in the network. Also configured and maintained VDCs in 7010 switches, maintained VRFs in those separate VDCs.
• Worked with Sup 2E for 7010 switch, F cards for L2 switching and few M cards for L3 proxy routing purposes for F cards.
• Used Fabric Extenders like 2248TP GE series for the top of the rack solution and used 5548P for the end of the row solution.
• Scheduled maintenance of Nexus (2248, 5548, and 7010) switches so that there are no Orphan ports in the network, and all Users to be dual homed, so that they have sufficient redundancy.
• Worked on OTV to extend L2 VLANs between data centers over IP on Nexus 7010 switches.
• Worked on 3600, 7200, 7600 series Cisco routers.
• Configured and maintained EIGRP, OSPF and BGP on Cisco Routers.
• Maintained TACACS+ and RADIUS servers for AAA authentication and user authentication.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients via INFOBLOX IPAM.
• Used Cisco ASA 5540 firewall for Enterprise security, configured ACL’s for Internet requests to Server Farm in LAN and DMZ.
• Architectural design of WAN Optimization (acceleration, compression, latency reduction) techniques and implementation of the WAN technology, IPSEC, VPN, MPLS.
• Provided VPN services to site-to-site and, Remote access VPNs using IPsec and GRE tunneling mechanisms.
• Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, and LAN security.
• Configured policy statements, and routing instances.
• Performed Network Security Assessment and implemented security features such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication.
• Maintained F5 BIG-IP LTM 6900 for providing application redundancy, load balancing and policies.
• Used internal network monitoring tools (Solar Winds & Opmanager) to ensure network connectivity and Protocol analysis tools to assess the network issues causing service disruption.
• Experience working with company and client documentation and storage procedures.
• Designed, implemented, and administered Windows Server 2012 R2 Active Directory Environment for the Entire Organization from the ground up using old and new hardware.
• Wrote the Company Standard Server Build Document for all Windows 2012 R2 Servers.
• Wrote the Company Standard QA Process Document for all new Windows 2012 R2 Servers.
• Planned, tracked and updated all daily and weekly progress using Google SmartSheet.
• Created Cloud (Active/Active) Windows Server 2012 R2 environments across two geographically located Datacenters, if one Datacenter became unavailable, there was no user impact.
• Installed, configured and administered all: Windows Server 2012 R2: DNS Servers, DFS Servers, FSMO Servers, Domain Controllers, Printer Servers, and Created Virtual DR Servers using Hyper-V.
• Strong skills in managing Red Hat Linux servers, SAN Storage (EMC, Hitachi), Virtualization.
• (VMware, Red Hat enterprise virtualization preferred), and system security.
• Understand server virtualization technology such as VMware.
• Knowledge of virtualization and aws cloud.
• Responsible for Network and Centralized Database Administration and Security.
• Security and management of Web and Email servers.
• Provide security through routers and cisco pix firewalls. Usage of IDS system with Check Point Firewall.
• Configuration of Cisco catalyst switches and racking of servers, networking and interfaces.
• Network configuration for interfaces, switch ports, ethernet cards, host names and netmasks details
• Expertise in configuring and administering NFS, DNS, LDAP, DHCP, Mail Servers clients.
• Familiar with shell scripts to run on Linux and Solaris environment for administration.
• Supporting and resolving tickets/incidents assigned to UNIX group, validations and documentation. Planning and provisioning of hardware, storage allocation and network configurations.
• Configured and deployed over 30 Cisco UCS computing clusters with VMware ESXi 5 and vCenter 5
• Experience with Cisco UCS, Virtual Infra on VMware, Storage Migration, Installation, Upgrades and Patching

Confidential, Seattle, WA

Network Engineer

Responsibilities:

• Multiple cross platform support for Microsoft Active directory integration.
• Full MSSQL server integration.
• Network management for an ever growing environment.
• Windows, Linux, and Mac integration.
• PCI-DSS compliance. (Levels 4, 3, and 2)
• Citrix XenApp 4.5, 5.0, and 5.5, 6.0, and 6.5 installation, configuration, and management.
• XenDesktop 5.6 rollout and support for +/- 1500 concurrent users.
• Daily support of level 3+ tech incidents for hosting and managed services customers.
• Truly deep knowledge of XenServer and XenDesktop with multi-tenant deployments.
• Regarded as the Subject Matter Expert (SME) for XenDesktop and XenApp.
• Setup of Citrix NetScalers for all customers.
• Promoted from Sr. Citrix Engineer to Architect in less than 2 months.
• Changed VDI adoption rate from less than 40% to over 65% in 2 months.
• Taught the Citrix Competency team NetScaler.
• Citrix XenApp 4.5, 5.0, and 5.5, installation, configuration, and management.
• Lead Citrix XenApp 6.5 Engineer for POC.
• XenDesktop 5.5 rollout and support for +/- 4500 concurrent users.
• XenApp 5.0 support for +/- 6500 concurrent users worldwide.
• Lead Citrix XenDesktop 5.6 Engineer/Architect for POC.
• Daily support of level 3+ tech incidents.
• Truly deep knowledge of XenServer and XenDesktop with multi-tenant deployments.
• Regarded as the Subject Matter Expert (SME) for XenDesktop and XenApp and NetScaler.
• Setup of Citrix NetScalers Company wide.
• Transitioned Load Balancing efforts for Citrix products from F5, to NetScaler.
• Installed, Configured and maintained 2600, 3600, 7613 Cisco Routers and 3750, 4500 and 6500 series Cisco Switches.
• Performed VSS on cisco catalyst 6500 series switches.
• Configured and managed Cisco access layer routers and switches & carried out route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance, and offset-lists.
• Configured routing protocols like EIGRP, OSPF & BGP and troubleshooting layer3 issues.
• Learned and Tested various BGP attributes like local preference, MED, Weight and replicated customer issues in the testing environment lab.
• Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
• Implemented port aggregation & link negotiation using LACP and PAGP.
• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on the switched network.
• Configured and deployed BIG-IP LTM 6900 for providing application redundancy and load balancing.
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC.
• Troubleshot issues and outages on Trunks and Router interfaces and firewalls extensively.
• Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.
• Provided technical assistance for LAN/WAN management & troubleshooting and complex customer issues using Network monitoring tool’s such as Solar winds.
• Setup VLANs for private IP traffic, using NIS thru auto.master as source and Netapps as NFS exports. Used autofs module heavily and implemented amd and automount.
• Security control applied through use of hosts.allow and hosts.deny using host netgroups via NIS domain
• Plan, Survey, Design, Deploy, implement Cisco Meraki wireless managed network infrastructure.
• Product knowledge of Cisco Meraki cloud product line up, complete edge and branch portfolio includes wireless, switching, security and branch routing, and fully integrated mobile device management (MDM), all managed via centralized cloud platform.
• Work closely with Cisco engineers for a build of materials and network solution for clients.

Confidential, California

Network Analyst Newark

Responsibilities:

• Maintenance and Management of firewalls, Routers and Switches for Mathematics and Computer Science Department.
• Maintaining and Securing network facility at Mathematics and Computer Science Department.
• Implementation and Troubleshooting of Cisco Networks for Business Department.
• Maintenance and Troubleshooting of Classrooms and Lab computers in two buildings.
• Linux/Solaris Systems Administrator experience in installation, configuration, tuning, security, backup, recovery, monitoring and upgrade of Linux5 & 6 (RHEL, OEL, CentOS) and Solaris on different cross platforms.
• Expertise in building servers using Kickstart/PXE booting for Linux, Jumpstart for Solaris.
• Build and configuration of Cisco UCS blade servers, HP and Dell hardware for Linux servers.
• Post build configurations, security hardening, user management, validations, firmware/patches etc.
• Monitoring and shooting of servers by using HPOV and BMC tool.
• SAN storage migrations from EMC storage array to DELL compelling storage array.
• EMC power path, Multipath configurations and bonding on Linux/Solaris servers.
• Preparation of Logical Volume Manager (LVM) with new san LUNs, LUN online migrations using pv-move and LV mirror commands on Linux servers.
• Administration and storage allocation for hosts on EMC Vax san array using SMC/Unispehere.
• Experience in installation, configuration and volume/disk management using VERITAS Volume Manager (VxVM), Solaris Volume Manager (SVM) and Veritas File System (VxFs) in Solaris and logical volume manager (LVM) in Linux.
• Installation & configuration of RAID Volume Management using VERITAS Volume Manager in Solaris, ZFS file system on Solaris.
• User & Security administration, backup & recovery and performance monitoring and kernel tuning. Experience in installation and tuning of Web servers/Web application for Java on Linux.
• Installation and configuration of Oracle 11gR2 RAC clusters on Linux/Solaris environment Extensive experience in IPMP (IP multipathing) in Solaris and Multipath and Bonding in Linux
• VMware Installation, configuration and administration, virtual environments with VirtualCenter.
• Network configuration on MDS/Brocade switches, HBA, FC, scsi disk details and zones etc.
• Configuration of Cisco catalyst switches and racking of servers, networking and interfaces.
• Network configuration for interfaces, switch ports, Ethernet cards, host names and netmasks details
• Expertise in configuring and administering NFS, DNS, LDAP, DHCP, Mail Servers clients.
• Familiar with shell scripts to run on Linux and Solaris environment for administration.
• Supporting and resolving tickets/incidents assigned to UNIX group, validations and documentation.
• Planning and provisioning of hardware, storage allocation and network configurations.
• Windows 2008 based network creation and implementation in Los Angeles, California. The project include 35 nodes, layer 3 switch, Cisco 5900 Series Router Configuration and voice over internet (VoIP) service establishment.
• Basic Wired and Wireless Network establishment with layer 3 switch and controlled security camera guidance system, which are connected through Wi-Max Technology.
• Secure VPN tunnel establishment and secure it with the Cisco PIX hardware firewall for two different regional campuses located in north and south respectively from Los Angeles.

Confidential

System/Network Administrator

Responsibilities:

• Posted as Resident Engineer at Confidential ’s domestic call center.
• Installation and troubleshooting mail applications e.g. MS Outlook and Talisma.
• Handled the responsibilities of daily Backups of all the servers and Network devices.
• Worked on inbuilt Ntbackup utility on Windows Servers to take the backup of file and other application servers and SQL backup to take the backup of SQL database servers, e.g. Talisma, E-Ware,
• Ensuring the escalation chart is proper at all the time, so that it is easy to escalate the problem on occurrence.
• Vendor coordination for the up gradation and troubleshooting of network equipment and some applications.
• Account Management / VLAN Management
• Monitoring the LAN/ WAN links and escalating the issue to a right team in case of any outage.