SUMMARY

• To obtain a position as a NOC engineer who monitors, troubleshoots, and resolves any problems in the managed network or a network engineer who designs, configures, and builds the network and maintains network devices.
• Through understanding of TCP/IP, performed the packet capture and analyzed for packet drops, unexpected conversation terminations, and any misbehaviors by using Wireshark and Network Instruments Observer.
• Understanding and management of network protocols - STP, RIP, EIGRP, OSPF, BGP, MPLS, VRF, and DMVPN
• Configuration and operation of CISCO switches - 6500 series, 4948, 3750, 3560E, and 2900 series
• Configuration and operation of CISCO routers - 2600 series, 2800 series, 3600 series, 3745, and 3845
• Configuration and operation of CISCO Nexus - 7000 series, 5000 series, and 2000 series
• Configuration and operation of firewalls - CISCO ASA, CheckPoint FW, and Palo Alto FW
• Configuration and operation of wireless - CISCO wireless controller and access points
• Configuration and operation of load balancers - BIPIP F5 load balancer

PROFESSIONAL EXPERIENCE

Confidential, Austin, TX

Network Engineer - Tier II

• Troubleshot and resolved any issues related from layer 1 to layer 7 on SW, routers, FW, load balancers, wireless controller, access points and Riverbed.
• Reviewed and implemented the schedule changes during the windows and verified the change status from the requesters to complete the changes.
• Discussed with the customer managers in weekly meetings and addressed their issues to minimize the downtime and improve the efficiency of ticket resolution.

Confidential, Austin, TX

Network Engineer - Tier II

• Monitored a network monitoring console which shows any routers and SW hardware failure and link outages and created tickets for legitimate alerts and resolved the issues within SLA. Engaged the site team technician for cable and hardware replacement for any hardware failure issue. Contacted vendors and created RMA for the faulty units.
• Created TAC cases for any bug issues with Cisco/Juniper/Arista and escalated any circuit outages to the service providers until the issues get resolved.
• Worked on any escalated issues from Tier-1 and created change tickets for OS upgrade and any configuration changes on SW and routers and implemented them during the maintenance window.
• Joined the conference calls for high severity issues and worked with application engineers, server administrators, and security engineers to narrow down, isolate, and resolve the issues.
• Monitoring Aruba AP and wireless controller status and resolved any issue related to hardware and configurations. Investigated any user wireless user access issues and resolved them in a timely manner.

Confidential, Austin, TX

Security Engineer II

• Worked on any incidents unresolved from tier 1 and change requests made from Cisco customer portal. Completed the incident tickets within SLA regarding any issues on CISCO PIX, ASA, IPS, and Sourcefire by using the tools such as packet-tracer, packet capture, FW and IPS syslog, and debugs. Worked on any changes for ACL, NAT, VPN, remote VPN, Signatures, event action filters, OS upgrade, and Signature package update on IPS.
• Received calls transferred from tier 1 for urgent changes or the outages on service connections and interface connectivity issues and found the root causes and resolved the issues immediately. Contacted TAC for any OS related bugs or faulty unit replacements.
• Worked on the new device activations for new customers and existing customers. The new devices need to be configured not only with the basic configuration but also with monitoring, syslog saving, configuration backup.

Confidential, Sterling, VA

Network Operation Engineer II

• Monitored Netcool monitoring system which shows any outages related to network devices - switches, routers, firewalls, and load balancers, and created new tickets based on the alert status and resolved any network related issues according to SLA.
• Received customer calls and resolved the customer requests on firewall rule changes, load balancer configuration changes, DNS record updates, and any technical supports on customer accounts in Confidential portal.
• Reviewed the scheduled maintenances which require the verification of feasibility of work and assigned the maintenances to on-duty engineers.
• Performed the maintenance works which require switchport configurations, routing changes, and HSRP configurations on the switches and VIP configurations on load balancers, and firewall policy updates for the server migrations and server additions.

Confidential, Beltsville, MD

Network Operation Engineer - Tier 2

• Monitored ETMS ticket system which shows the tickets for current problems related to network devices - switches, routers, firewalls, and load balancers. Worked on tickets in prioritized order and resolved the issues in timely manner.
• The scope of works regarding on network devices are the configurations and maintenance of switch ports, VLANs, routes, firewall rules, VPN, contents, services, monitors, switches, routers, firewalls, and load balancers.
• Performed schedule works which are designed for the configuration changes and troubleshooting the customer issues, when the troubleshooting and the modification of configurations affect the customer's service connections.
• Conducted schedule work reviews which require the verification of the scheduled work feasibility. If there are any additional works needed before the schedule work, engaged the proper group to get the schedule work preparation completed.

Confidential, Annapolis, MD

NOC Engineer - Tier 1

• Monitored the entire Arinc CISCO routers and servers which are located globally and are shown in NETCOOL and HP OPENVIEW. Troubleshooted and resolved any connectivity issues or OSPF and BGP routing issues related to T1, Frame-Relay, ATM, X.25, ISDN BRI and ISDN DDR in the routers. Verified the power of the routers by either dial-in or contacting on-site technicians. Documented all the failures in the connectivities or power of the routers.
• Monitored and received customer's calls related to ALPS, MUSE, and MATIP connection problems in the airports. Checked the interfaces and configurations and resolved the issue.
• Created tickets with REMEDY ticketing system for all the problems which belong to the service providers and Arinc. Contacted them for the resolution and updated the status of the circuits, until the problems get resolved.
• Dispatched Arinc technicians to sites for troubleshooting and the replacement of defective parts. Coordinated and arranged on-site meetings with service providers for the controversial issue between Arinc and service providers,
• Worked with tech support team for complicated issues beyond Tier 1 scope. Escalated significant events as required and made management notifications on services that are impacted.

Confidential, Austin, TX

Network Analyst Associate

• Maintained CISCO routers, switches, PIXs, and ASAs. Troubleshooted and resolved the any network issues related to CISCO devices.
• Designed and configured network for the new acquisition companies by First American Flood Data and built network with CISCO routers, switches, and firewalls. Traveled to the new company sites and installed networking devices.
• Conducted the packet capture and analyzed packets in granular level by using CISCO NAM and Network Instruments Observer. Found and resolved the root causes of packet drops, connection failures, unexpected conversation terminations, any faultiness in layer 1 up to layer 7.
• Run and maintained the Ethernet cables and fiber optic cables between the servers and PCs to CISCO network devices. Provided technical supports to PC technicians for any network connection issues.
• Maintained CiscoWorks for saving the latest configurations of all CISCO devices and displayed CISCO VIEWs for monitoring the CISCO devices.

Confidential, Irving, TX

Test Verification Engineer

• Maintenance of Nokia MSC and HLR fully functional in the test lab.
• Created test cases for a new version of a system software. Tested and verified the features of mobile phones with a new version of system software. Worked with software development engineers and system engineers to resolve any errors from test results for a new version of system software, before it is delivered to customer.
• Visited the customer sites and installed new MSC and HLR. Configured MSC and HLR according to customers’ requirements and installed system software. Upgraded system software to them, if it is necessary.
• Writing test scripts to evaluate LNP in SS7 with MGTS and PASM.

Confidential, Richardson, TX

Test Equipment Engineer

• Analyzed and solved major problems on TSK A-PM-90A which made the availability of A-PM-90A to stay above 95% of production time and avoided major production downtime.
• Initiated preventive actions on Advantest T5335, TSK A-PM-90A, and TI Hyper SDA and implemented preventive maintenance with technicians which resulted in maintaining the availability of machines above 92%.
• Analyzed and solved communication problems on Advantest T5335, TSK A-PM-90A, and TI Hyper SDA.

Confidential, Austin, TX

Applications Engineer

• Installed TSK A-PM-90A wafer prober and resolved hardware and software problems in A-PM-90A in customer sites.
• Designed and programmed MS Access database to update with new data effectively. The development and management of this system resulted in a major resulted in a major reduction of data collection and sorting time compared to the previous manual approach.
• Wrote the test programs in C++ using National Instrument GPIB driver to evaluate test sequences from tester to wafer probers. These programs with different applications greatly reduced time required to solve the communication problems between equipment.
• Wrote the test programs in Qbasic and PC Com Plus to evaluate test sequences for wafer probers using RS-232 and RDP communication.