Network & System Administrator Resume
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OH
SUMMARY
- Over 4 years of Experience in working with cisco networking, implementing and troubleshooting IP ROUTING PROTOCOLS (RIPv2, EIGRP and OSPF).
- Experience on troubleshooting layer 2 technologies like STP, RSTP, VLAN Trunks.
- Hands on experience on configuring OSPF and EIGRP protocols on various cisco routers like 7200, 3600 and 2911.
- Extensive work experiences on Cisco Switches, Cisco Routers, Load Balancers & Cisco Firewalls Hands - on experience with Juniper SRX - Juniper SSL VPN.
- Experience on configuring standard and extended security policies using ACL on routers.
- Troubleshooting IP Protocols (RIP v2, OSPF, EIGRP).
- Excellent working experience on Nexus 2232, 2248, 5548P, 56128P, 5596T, 7009, 7706, 7710switches.
- Good experience on configuring SSH, TELNET, DHCP, DNS on various routers.
- Experience working on Checkpoint firewalls implementing rules, monitoring traffic and troubleshooting.
- Having a very good knowledge on IPv4 sub netting.
- Strong hands on experience on ASA (5510) Firewalls, AAA with cisco ACS and Implemented Security Policies.
- Configuration, implementation of F5 BIG-IP LTM, GTM series like 3900, 6900, 8900 and cisco CSM.
- Handling firewalls like Palo- alto, Sophos, checkpoint, Cyberoam and Fortigate.
- Good knowledge and experience in Installation, Configuration and Administration of Windows Servers 2008/2012.
- Experience in implementing Network Security using NAT, PAT, ACL, IDS, IPS and ASA firewalls.
- Configuring the policy and ACL in FTD 4110, 2110, ASA 5585, 5512, Palo Alto 5220, PAN 100.
- Maintained checkpoint 41000 and 61000 systems, Juniper SRX3600 and PA-5050 firewalls.
- Write and maintain Security policies and monitor them.
- Efficient at configuring Active Directory, FTP, DNS, DHCP, TFTP, Linux OS under various LAN and WAN environments.
- Working knowledge with monitoring tools like Solar Winds & Network packet capture tools like Wireshark.
- Excellent working knowledge of TCP/IP protocol suite and OSI layers.
- Managed enterprise grade server/application load balancing using F5 LTM/GTM.
TECHNICAL SKILLS
Operating Systems: Linux, Unix, Windows, Mac OSX.
Networking Protocols: RIP2, OSPF, EGIRP, DNS, GLBP, HSRP and DHCP.
Networking Tools: Ericsson ENM OSS, X-Shell, WinFIOL and Spirent.
Switching Technologies: VLANs, VTP, STP, RSTP Inter VLAN routing.
Nexus Switch Technologies: VDC, VPC, Checkpoint, License update and Fex.
PROFESSIONAL EXPERIENCE
Confidential, OH
Network & System Administrator
Responsibilities:
- Performed pre-checks on the routers before proceeding with the Migration on Cisco 9k routers.
- Creating logs on every router for future reference.
- Configured Vlan Trunking, VTP, PVST on CISCO 2941, ASR9010, ASR901 and 7609 routers.
- Hands-on experience in configuring OSPF routing protocol on CISCO ASR routers.
- Configured Message Digest Key (MD5) on ASR9K routers for authentication purpose.
- Configured OSPF Hello and Dead intervals on cisco ASR9010, ASR901 and Cisco 7609 routers.
- Configured OSPF Point to Point network to avoid the DR election process.
- Performed backup for cisco routers and restore on migrated routers in maintenance window.
- Performed IOS upgrade on cisco ASR 9Krouters and 3500 series cisco switches using CSCANS (AT&T) and TFTP Servers.
- Customer service experience with Field Engineers and vendors.
- Generated scripts for configuration of new VLANs on Cisco 2941 & Cisco 7609 / ASR9K for migration purpose.
- Updated IP address on Solarwinds monitoring tool once the migration is completed successfully for future reference.
- Provided extensive technical support to the field technicians on cisco 2941, 7609 and ASR901 routers.
- Configured service policies on production routers (ASR9K) to limit the speed per MBPS.
- Validating the Cisco2941 running configuration as per CIQ.
- Used Solar Winds for troubleshooting purpose.
- Configured switching technologies like PVST and Ether-channel on ASR 901 and Cisco 7609 routers.
- Configured BFD protocol on Interface vlans on Primary routers for resilience purpose.
- Performed test plan to make sure traffic is good on primary and Secondary MSN routers.
- Test resiliency and shutdown the sub-interface to assure traffic switches.
- Performed clean up on Cisco 9k routers and remove the unused Vlan interfaces and IP-addresses.
- Performed Up-speed to increase the speed between the routers as per requested.
- Performed Bandwidth test, Net quality and RFC test using SPIRENT tool.
- Generated tickets for failed cutovers and reworked them to Tiger Team for troubleshooting.
- Troubleshooting IP routing protocols like OSPF.
- Troubleshooting experience with BPDU guard and BPDU filter issues.
- Interacting with service providers for troubleshooting speed and bandwidth issues.
- Performed Load rebalancing between Cisco ASR9K routers.
- Responsible for resolving of tickets by troubleshooting network issues and failed cutovers.
- Hands- on experience in configuring Load, Power and Tilt using ALU SAMS and WPS.
- Extensive experience on X-shell to remotely login into routers located at different regions.
- Worked on LTE macro cell integration project for AT&T.
- Validated OSPF area on CIQ and EDP before cutover.
- Worked on NSB (New Site Build) configurations and Carrier-add configurations on Erickson Radio Base Station.
- Experience in using MO-Shell for integrating LTE cells, checking the cell status, blocking the cells and running baseline scripts.
- Troubleshooting the LTE cells and their respective connections.
- On call experience with the field tech to check the status of LTE cells after the integration.
- Experience in using Citrix server to access OSS in different regions for Cell integration purpose.
- Configured RET tilt on during Cell integration using MO-Shell.
- Hands-on experience in using and configuring WINSCP and FILEZILLA as an FTP / SFTP server.
- Performed KPI’s and VSWR checks before and after the cell Integration.
- Performed DUL to DUS integration using proprietary MOPS.
- Generated integration related scripts using proprietary tools.
- Working experience on RBS6201.
- Empirical knowledge in performing cell integration using ALU SAM and WPS.
Confidential, Chicago, IL
Network & System AdministratorResponsibilities:
- Configuring IBGP between LAN routers and EBGP between HUB routers, LAN-WAN routers.
- Configured BGP, OSPF on Cisco 4451 and 4351 routers.
- Configured OSPF between LAN routers and LAN switches (Cisco 2911 and Cisco 3895).
- Experience on data center cabling on fiber and copper patch panel.
- Experience on creating and updating tickets on ServiceNow.
- Monitoring alarms and troubleshooting alarms related to cisco LAN switches(C6509/C6507/Nexus7k/C3750) in data center.
- Troubleshooting BGP, OSPF and connectivity issues between Cisco routers and switches.
- Involved in National and Regional projects on cabling and configuring Cisco C6880 switches and bringing them into the Network.
- Experienced in cabling C6880 switches and nexus switches using SFP modules.
- Configured etherchannel on cisco C6880 and C3560 switches.
- Configured VTP on Cisco server and client switches(C6880).
- Configured flow monitor on Cisco routers and switches for monitoring purpose.
- Monitoring experience using solarwinds and wireshark.
- Created Cisco RMA for router/switches replacement.
- Involved in LAN - Remediation, migrating C6880 and Nexus switches and configuring VLAN and PVST on Cisco C6880, C6500 and C3800 series switches.
- Experience on configuring router on stick, sub-interfaces on LAN routers and switches.
- Configured trunk and access commands on C6880 and C3800 switches.
- Performed Clean-up on old routers after replacing them with new routers.
- Experience in updating Cisco switches with IOS using TFTPD64.
- Configured network devices in flow monitoring tools for monitoring and troubleshooting purposes.
- Experience in designing the cutover and documenting on Microsoft Visio.
- Experience in planning Risk Management steps before performing the cutover.
- Involved in Risk Assessment and Risk Mitigation techniques.
- Involved in LAN refresh on cisco catalyst switches (C6509, C6507) and multilayer switches (3500 series).
- Troubleshooting experience on BGP attributes.
- Experienced with Layer 2 switching, VLAN's trunking technologies, Aggregation (LACP, PAGP).
- Involved in configuring BPDU Guard and Port fast on c6880 and C3800 switches.
- Troubleshoot TCP/IP problems; troubleshoot connectivity issues in multi-protocol Ethernet, Environment.
- Experience in using Filezilla as FTP to transfer the logs from routers to shared domain.
- Worked on monitoring tools like for monitoring and troubleshooting purpose.
Confidential
Network & System AdministratorResponsibilities:
- Monitoring snmp traps, network outages and fiber-cutovers, using Asure Now monitoring tool and solarwinds.
- Reviewing, analyzing, approving and executing all changes in the network. All Configurations of Cisco Routers and Switches.
- Participated in a rotating 24x7-support schedule for the Network Operation Center (NOC).
- Monitoring network usage between the different customers and peers using Logic Monitoring tool.
- Monitoring Cisco LAN switches and troubleshooting connectivity issues.
- Handling change management for 90+ Dish Uplink locations using APM involves creating access policies, profiles, access policy branches for day to day operations.
- Mitigating the customers who are using excess bandwidth using Kentik tool.
- Whitelisting customers and blacklisting ip’s to the dark router using Kentik tool.
- Experience on AssureNow as Application performance Management tool and monitoring tool.
- Monitoring and mitigating DOS and DDOS attacks using Kentik tool.
- Troubleshooting various devices like Juniper, Calix, Accedian, OLT and ONT using Assure Now.
- Experience in troubleshooting checkpoint firewall related issues using VMware
- Troubleshooting and monitoring experience of Hauwei DWDM using U2000.
- Good experience on Microsoft Visio for network documentation purpose.
- Configuring OSPF and BGP on WAN and LAN routers according to the SOPs.
- Experience in configuring etherchannel on Cisco 6500 catalyst switches.
- Experience on configuring lags on Juniper 10gig interfaces.
- On - call experience with the field technician during fiber cutover, Fiber cutover and copper cutover.
- Extensive experience on updating, rescheduling, reworking and completing cutover work-orders on salesforce.
- Troubleshooting experience on ICMP link failure between different peers and customers.
- Updating IOS using TFTPd64 on Cisco WAN/LAN devices.
- Troubleshooting experience on GPON and Active Ethernet issues.
- Updating nightly report tool on calix downstream and upstream devices.
- Troubleshooting CMTS cable modem issues.
- Configuring PPPOE on cisco and juniper routers.
- Call forwarding, maintenance and troubleshooting experience using Noble services and C20(switch).
- Adding new users to Noble services for IP phones.
- Configuring dialer interface and virtual template interfaces on CPE client and Cisco Server routers.
- Experience using INFOBLOX for DNS registry.
- Involved in port turn ups and port provisioning on cisco devices for adding new customers into the LAN.
- Configured BPDU guard/filter on Cisco 3750 switches while enabling port fast.
- Configured OSPF routing protocol on cisco ASR 4451 routers.
- Configured lacp lag interfaces on juniper MX960 routers on XE interfaces and CISCO ASR 9Krouters.
- Customer service experience with corporate clients like Charter, ATT, Verizon, spirit and sprint.
- Experience in turning up the router interface /ports as per the SLA request on Accedian and Cisco ASR 9K routers.
- Configuration experience on Accedian devices for provisioning purposes.
- Hands-on experience with FTP servers for loading the scripts into Cisco ASR 9K devices.
- Troubleshooting Headend (juniper MX960) and Central office routers (Juniper MX480).
- Responsible to resolve the high priority tickets assigned via the ticketing tool Salesforce.
- Participates in network outage bridge calls manned by various IT support groups providing network support and guidance.
- Assisting the Network Operation Center with trouble tickets which consist of down access level PC’s and production server ports in Data Center. Trouble shooting these issues with the process of the OSI model and Cisco IOS and JunOS commands for configuring new VLANs.
- Dexterity in troubleshooting and implementing MOPS on Juniper products like MX104, MX480, and MX960 etc.
- Troubleshooting HSRP related issues on Cisco peer routers.
- Good experience on using Path track tool to determine low power tracking and ingress alarms on CMTS and cable modems.
