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Network Administrator Resume Profile

SUMMARY

  • 8 years of experience as a Network/Systems Administrator specializing in Cisco devices, Network security, Firewalls and VPNs, Cisco Routers, LAN/WAN connectivity, TCP/IP Windows XP, Windows Vista, NT/2000 /2003 System administration, communications.
  • Experience in the areas of Technical Implementation/Support, Project Management, System Administration, Networking and end-to-end Infrastructure Management
  • Possess IT experience with a strong foundation in internetworking and troubleshooting.
  • LAN/WAN experience internetworking with Cisco routers, switches, Check Point Firewalls, Arista switches, IP telephones, 5508 Wireless controllers, and 3600 series access points.
  • In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 SONET POS OCX / GigE circuits, Firewalls Migration of all the PIX firewalls to ASA firewalls for DOT-NC
  • Extensive experience in Layer 3 routing and Layer 2 switching and dealt with router configurations like 7200, 3800, 2800 and switches 6500, 4500, 3700, 3750, 3900, 2900, 2960 and 3500XL, 3950 switch series.
  • Hands On experience Juniper JUNOS or configuration troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS.
  • Experience in tools like SNMP, AAA, RADIUS and designed VPN with IPSEC security layer.
  • Understanding of IPSEC GRE tunnels in VPN technology.
  • Configuring Virtual Chassis for Juniper switches EX-4200,Firewalls SRX-210
  • Experience with Watchguard firewalls, Sidewinder firewalls, Stonegate firewalls and Opensource Linux/BSD based firewalls such as iptables, ipchains and pf.
  • Experience in testing routers and switches in laboratory and deploy them on site production.
  • Proficient in configuration of routing protocols like RIP, IGRP, EIGRP, OSPF multiple areas and BGP.
  • Involved in designing L2VPN services and encryption system and other VPN with IPSEC based services.
  • Expertise in IP sub netting and worked on various designing and allocation various classes of IP address to the domain.
  • Involved in troubleshooting of IP conflict problems and worked on Gigabit Ethernet and Fast Ethernet connection and applied QoS for the bandwidth delay.
  • Responsible for Check Point and Cisco ASA firewall administration across global networks.
  • Experience in working with Nexus Switches and Virtual Port Channel configuration.
  • Extensive troubleshooting experience in ISDN and telephony circuits CSU/DSU connections.
  • Hands on experience on NAT Network address translation configurations and it's analysis on troubleshooting issues related access lists ACL .
  • Involved in monitoring network traffic and its diagnosis using performance tools like Snort, Snortsnarf, ping tools, and packet player.
  • Good knowledge on VOIP protocols like H.323, SIP, MGCP and SS7 and interfacing of TDM to VOIP system.
  • Installation of Windows 2003 enterprise and standard editions, R2, Windows 2000 standard and advanced server editions.
  • Experienced in DHCP DNS, NIS, NFS, SMTP, IMAP, ODBC, FTP, TCP/IP, LAN, WAN, LDAP, HP RDP, security management, and system troubleshooting skills.

SKILLS:

  • Operation Systems: MS Server 2000/2003/2008, Windows XP/Vista/7/8, WINTEL/WINDOWS 2000, 2003.2008 NT
  • Hardware: HP, Dell IBM x Series, X86, Apple, Sonic wall, Adaptec, Norco, Cisco, Hitachi, EMC.
  • Networking: TCP/IP, IPX/SPX, RIP, OSPF, EIGRP, IGRP, BGP, DNS/DHCP, ASA/PIX/ACL, SNMP, and Apache.
  • Applications: MS SQL Server 2005, MS ISA Server 2006, MS Office XP/2003/2007/2010,
  • Citrix MPS, CounterPoint, MicroBiz, ManageEngine ServiceDesk Plus, Communigate Pro
  • Mail Server, Microsoft Exchange, NetMail, Solarwinds NPM.

CISCO Network Management Based Application Experience:

  • Wireless /Security/Others WCS, NCS, Prime, CSM, MSE, ISE, QPM, CLM
  • LAN/WAN/Voice /Other CW2000/LMS 3.x. /4.x, CWM, OPM CEMF.
  • DHCP/DNS/Cable/Optical Cisco CNR, BACC, CBT, CTM, MWTM.
  • Cisco Configurations Tools CNA, CCA, SDM, Config Engine, CCP, RME,

CDCT, CMM, CMD. SESM. ISC VPNSC.

  • Networking: Cisco 3750/2960/6500, Checkpoint Firewall, Structured Cabling, VSAT installation, Optical Fiber Splicing and termination, Wireless, Cisco Router, Cisco Catalyst Switch
  • Cisco Routers/Switches OSPF RIPv2 EIGRP BGP
  • Cisco ASA Firewalls VLANs, F5 Big IP
  • Brocade L2/L3 Switches Aruba 6000 Wireless Controllers
  • SonicWALL SSL VPN RSTP STP VRRP-e VRRP
  • Voice over IP WINS DHCP DNS

Professional Experience

Network Security Engineer / Firewall Administrator

Responsibilities:

  • Provided Firewall Administration Creating and removing firewall rules as needed , Network Security Administration, and Network Engineering duties within an OSPF / BGP environment
  • Configured a Cisco ASR 1001 router to replace and upgrade
  • Function as part of a Firewall and Security team in support of Checkpoint Firewalls, Zscaler Proxy, Juniper Portals, SecAuth, Open LDAP, and Active Directory.
  • Configured Cisco 2821, 2921 and 3845 CE routers to change them from EIGRP to a complex MPLS environment that includes VRF IPSEC VPNs, Broadband Tunnels, HSRP and VLANs.
  • Configured 2960, 3560, 3750 and 4507 switches to add VLANs for wireless project, and QoS protocols for MPLS.
  • Accessed Cisco Prime NCS/WCS and 5508 series Wireless Controller to manage wireless networks.
  • Configured Cisco Wireless Access Points 1100, 3600 through Cisco NCS Prime. Imported diagrams to create campuses, buildings and to map wireless AP's location.
  • Responsible for verifying Change Records, router, switch and DHCP configurations before applying.
  • Prep multiple routers simultaneously for circuit turn-up, pushing MPLS configuration, and MPLS migration using Cisco NCM and pre-scripted TCL configurations.
  • SSH to routers to manually configure routers for: Controller Card Prep, applying MPLS Configurations, MPLS Circuit Turn-up, MPLS Circuit Migration, Broadband Migration, Post Migration Clean-up, PPP, PPP Multilink, QoS, VPNs, Broadband Tunnels
  • Update Visio network diagrams, documentation Excel, SharePoint , and before and after ICMPs.
  • Responsible for resolving tickets from MMO's users, using HP OpenView, for access to MMO's intranet and to the internet Creating and removing firewall rules as needed.
  • Managed user's access thru Open LDAP, SecAuth and supported Active Directory.
  • Monitored Network with Orion monitoring software. Admin for Sonexis Phone conferencing.
  • Redesigned, updated, and established network topography standard.

Confidential

Network/ Firewall Engineer

Responsibilities:

  • Configured Cisco ASA and Checkpoint firewall layers to secure the infrastructure for the Data Center.
  • Migrated firewalls from ASA to Checkpoint.
  • Drafted, installed, and provisioned ASA and Checkpoint firewall rules and policies.
  • Maintained, configured, and installed Cisco and Juniper routers and switches: 7500/catalyst 6500/RV320/2960/catalyst 3550/12410, 12816, 1204 series, Nexus 7k and 5k, WLC, and ASA 5540
  • Involved in Data Center migrations. Handled proper management, maintenance, configuration, and altered management of firewall structure.
  • Configured Cisco ASA and Checkpoint firewall layers securing existing Data Center infrastructure. Migrated information security from Cisco PIX to ASA5500 with LAN-failover platform.
  • Configured RIP, OSPF and static routing on Juniper routers.
  • Implemented Checkpoint firewall rules according to business requirements and verifications.
  • Remediated IPSO Versions and Checkpoint SW to IPSO 6.1 Build 38 running Checkpoint R65 Build 63.
  • Supported customer with configuration and maintenance of PIX and ASA firewall systems.
  • Configured IPSEC VPN on SRX series firewalls.
  • Generated Root Cause Analysis RCA for critical issues of Layer1/ Layer2/ Layer3 issues.
  • Utilized Smartbits test sets to generate IP data traffic. Worked with multiple customers enhance networks.
  • Configured VLAN, Spanning tree, VSTP, SNMP on EX series switches.
  • Configured LLQ for VOIP.
  • Remediated Running in Active/Active Cluster mode into VRRP High Availability setups.
  • Resolved and implemented Root Cause Analysis RCA for in service production problems. Created work around for known IOS issues.
  • Configured VLANs with 802.1q tagging.
  • Configured and maintained routers and switches. Implemented and troubleshot RIP, EIGRP, OSPF, BGP routing protocols.
  • Configured and troubleshot various WAN technologies: MPLS, T1, T3, DS3 and ISDN
  • Met with Engineering Teams to prepare configurations according to client requirement.
  • Performed UAT and network testing.

Confidential

Network/Firewall Administrator

Responsibilities:

  • Configured and maintained High Availability Checkpoint firewalls in a Provider-1 environment.
  • Planned, designed, implemented, and supported firewalls and VPNs over ASA firewalls.
  • Responsible for firewall migrations from Pix to ASA, ASA to Checkpoint, ASA and Checkpoint to SonicWALL DPI.
  • Worked on firewall Pix525/ASA and SNMP. Designed VPN with IPSEC security layer.
  • Troubleshot network issues using Packet Analysis tools like Ethereal
  • Supported networks comprised of 2000 Cisco devices.
  • Supported Juniper M320 routers and worked on various customer facing and network facing PICs and FPCs.
  • Worked on Cisco GSR, Cisco 7200a VXR and Cisco 7600 series routers.
  • Utilized BGP to impact traffic forwarding and traffic load balancing on multiple CKTS.
  • Network monitoring using Cisco Works 2000, HP OpenView.
  • Supported Cisco 7200/7600/12000 routers and complex 6500 Series Switches.
  • Supported 2600/3600/7200/7200VXR and 12416, 12816 series routers.
  • Provided technical assistance and support for Cisco 2950, 7600, 7200 and GSR routers.
  • Assisted the Certification Team by performing LAN WAN configurations Ethernet, Fast Ethernet, and Gigabit Ethernet.
  • Routing protocols such as RIP, OSPF, EIGRP and BGP.
  • Supported EBGP with multiple providers. Propagated default routes from multiple locations.

Environment: Cisco 6500/4500 switches and Cisco 7200/7600/12000 routers

Confidential

System Engineer

Responsibilities:

  • Configuration, operation and troubleshooting of BGP, OSPF, EIGRP, RIP routing protocol in Cisco Routers L3 Switches.
  • Configuring New WAN links and Monitor Network Performance
  • Installation of Operating Systems Win98, Win XP, Win NT, Win 2000, Win 2003 etc.
  • Install and maintain of Hardware, Operating System
  • Configuration of Printer, Modem, Scanner.
  • Configuration of Domain Naming Server DNS
  • Configuration of Dynamic Host Configuration Protocol.
  • Configuration and Managing Remote Installation Service RIS
  • Migration of active directory services from Win NT to Win 2k to Win 2003.
  • Providing Capacity Planning review for all the servers.
  • Patching all Windows servers and workstations with Company standards
  • Customize the 2000/2003 servers in terms of Registry, Audit/Account/Security policy, patching, to sustain Company Standard Operating Environment
  • Monitor Routers and Internet Connectivity
  • Implement network monitoring tool for monitoring servers, routers other network resources
  • Adding and deleting users and granting user level
  • Resolving Network Problem related to connectivity and assessing resources.
  • Responsible for ensuring each reported problem is resolved in timely manner
  • System Troubleshooting in case of a failure and maintain server uptime above 99.99 .
  • Configuring administering Domain Naming Server DNS ,Dynamic Host Configuration Protocol DHCP , Distributed File System. DFS ,Internet Information Service. IIS and Remote Access Service RAS
  • Assist staff with the installation, configuration, and ongoing usability of desktop computers, peripheral equipment and software within established standards and guidelines.
  • Work with vendor support contacts to resolve technical problems with desktop computing equipment and software.
  • Train and orients staff on use of hardware and software

Environment: Hardware: IBM Compatible PCs, CISCO Routers/Switches, Windows NT 4.0/2000 Server, Win 2000 Professional, Win 95/98/ME, Novell Netware Servers, HP Servers, and LINUX Servers

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