SUMMARY:

• Senior Engineer with experience in Network Operations, NOC, Technical Support, Emergency (Outage) Recovery Support, Deployment, System Integration, Testing, Provisioning, Product Trials & Demos, Implementations, Software/Hardware Installations & Upgrades. Strong troubleshoot and problem solving skills. Excellent communication and customer support skills.
• Technical knowledge on 5G /LTE/4G/ /S - GW/P-GW/UMTS/CDMA/ 3G/RAN EVDO/GSM/GPRS / VolTe/IMS/3GPP Components and Functionalities.
• IP routing and switching, VLAN, TCP/IP, BGP, IPsec, LAN, WAN, WLAN.
• Hands-on experience installing and troubleshooting hardware & software on Linux and Unix based system. OS installation and Commissioning on Unix/Linux platforms.
• Hands on experience installing, configuring and supporting COTS/RAID/RBOD/JBOD
• Hands on experience and knowledge on Samsung: eNodeB, MME, P-GW, S-GW, LSMR( Dell PER720-server) BSM(Oracle Netra-5440: Netra: SPARCH T4-Servers) Sun Blade Sever, IP-BSC, BTS)
• Hands on experience and knowledge on Cisco:(ASR9000 and CSR901/CSR2941)
• Hands on experience on JBOD\ RBOD Storage Array, installation, upgrade and maintenance.
• Hands on experience installing, configuring and supporting Confidential -Tektronix: Performance Monitoring Probe G10 and Geo Blade (ATCA) and integration of JBOD\ RBOD Storage Array with Geo Blade and G10 Probe.
• Experience working in customer technical support roles; assessing of troubles, managing trouble tickets, develop and execute action plans for trouble resolution.
• Excellent Emergency Network Outage Recovery and Technical support skills
• Performance Analysis (KPI), creation of MOPs, Job aid, Job procedure.
• Software/Hardware Installations, Upgrades, reconfigurations, with no LOS,
• Debugging and troubleshooting of Voice/data networking issues.
• Product test plan creation and execution.
• Green field Deployment, System Provisioning, Commissioning & Integration
• Perform UAT, ATP and CTTP tests.
• MySQL database installation on Unix/Linux platforms.

TECHNICAL SKILLS:

Protocols: SS&, SIP, RTP, SCTP, GTP, DIAMETER

Database: SQL, MySQL

Languages & Tools: Unix Shell-Scripting, Python, DM-tool, Iperf, QPST, QXDM, XCAL, Traceroute, Ping, Wireshark, Tcpdump, Netstat, SSH.

Operating System: Linux, Unix, Sun/Oracle Solaris, and Microsoft Windows

PROFESSIONAL EXPERIENCE:

Confidential, Richardson, TX

System Engineer

Responsibilities:

• Install and configure 5G Wireless RAN (DU and RUs).
• Install and configure 5G wireless CPE and RSIP. Perform upgrade and make configuration change on CPE as per customer requirement.
• Manage RAID disk array; make sure all disks and volumes are ok. Replace disks, repair volume.
• Manage 5G Core based on Openstack, bring up services, and bring down services.
• Manage 5G RAN platform, bring up services, bring down services, make configuration changes per customer requirements, collect test data etc.
• Manage Trailer HWs (Generators, power compressors for antenna, proper leveling of the trailer, etc).
• Perform SW upgrades.
• Troubleshoot any problem with system HW/SW.

Confidential, Plano, TX

Deployment System Engineer

Responsibilities:

• Activities include Linux base network monitoring probe configuration, RBOD/JBOD Storage Array installation & configuration, upgrade, and integrate them with Geo Blades and G10 probes.
• Perform Software and Hardware upgrade, replacing disk drives/peripherals, system moves and reconfigurations,
• Troubleshoot and resolve issues with Geo Blade/G10 SW and HW.
• Troubleshoot and resolve issues with disk array enclosures (RBODs & JBODs), controllers and disks.
• Perform various maintenance activities: Patch application, disk replacement, volume repair, RBOD & JBOD chassis replacement, Controllers & card replacement, troubleshoot various connectivity problems (SAS, fiber, Ethernet mini-SAS.
• Write MOPs for various activities,
• Ensure timely delivery of all probes to customer for production cur-over
• Perform production cut-over activity on newly installed probe. Monitor for SIP messages and RTP packets. Troubleshoot issue with any drop calls.
• Verify Performance matrix (KPI). Troubleshoot issues with KPI degradation.
• Work with different functional groups to quickly resolve critical issues.

Confidential, Richardson, TX

Integration Test Engineer

Responsibilities:

• Performed Commissioning & Integration Activities Per IP-Plan on MME/S-GATEWAY/ P-GATEWAY/eNodeB/IP-BSC/BTS/ on several Sprints’ Network Vision Markets
• LTE/4G OAM system Implementation: Performed OS installation, LSMR Software installation, MySQL database installation, system commissioning and IP configuration on Servers (Dell PER720 with Dell Storage Array MD3600F+ MD1200) and Sun Blade Server.
• Integrate the LSMR server with back bone router to ensure remote access. Performed full functionality test of the LSMR servers.
• Create cell site router script and ENV script for eNodeB. Verify end-to-end connectivity to eNodeB from LSMR. Build eNodeB in the LSMR and bring up in-service. Perform eNodeB software, firmware upgrade and apply golden parameters. Integrate eNodeB with 4G core Network. Configure eNodeB for CS fallback and ECSFB for voice calls.
• 3G OAM System Implementation: Performed Solaris installation, BSM software installation, MySQL database installation, system commissioning. IP configuration on Servers (Oracle Netra-5440 with Storage 2540-M2 Netra, and SPARCH T4 servers Array with Storage 6180 Storage Array).
• Provisioned IP routes for BSM servers on ASR9000 router to ensure remote access. Performed full functionality test of the BSM servers.
• Provisioned IP routes on ASR9000 for IP-BSCs and BSM communications.
• Create cell site router script and ENV script for 3G BTS. Verify end-to-end connectivity to BTS from BSM. Build 3G BTS in the BSM and bring up in-service. Perform BTS software, firmware upgrade and apply golden parameters. Provision 3G BTS for LTE voice call CS fallback and ECSFB to 3G network.
• Provisioned IP routes on ASR9000 for 3G and 4G Nodes (MME, S-GW, P-GW, eNodeB, IP-BSC and WSS communication.
• Performed LTE Product Acceptance Plan (ATP) Tests on Sprint’s networks for eNodeB, MME/S-GATEWAY/P-GATWAY. Successfully resolved all outstanding issue, have Sprint signed off on accepting the 4G nodes.
• Performed 3G Product Acceptance Critical Call Tests on Sprint’s networks in several Sprints’ Markets. Successfully resolved all outstanding issue, have Sprint signed off on accepting the 3G Networks for commercial launch.
• Troubleshoot and resolve issues with server HW/SW, disk array, replace disk, repair volume.
• Troubleshoot HW/SW problem with network nodes, create necessary action plane (MOP) to resolve the issue.
• Provide fault isolation and root cause analysis for technical issues.
• IP Backhaul: Install, configure and Perform IOS upgrade on Cell Site routers, CSR-901/CSR-2960. Build necessary IP routes and VLANs to connect multiple Cell Site to ASR9K and BSM /LSMR via cascaded Fiber/Microwave backhaul. Perform necessary troubleshooting in the case of end to end IP connectivity failure. Troubleshoot issues with Microwave Modem and Fiber backhaul. Performed T1 to IP backhaul migration activities for legacy site.
• Provided technical support for eNodeB/LSMR/BTS/IP-BSC/ LSMR/MME/S-GATEWAY/P-Gateway/S-Gateway. Troubleshoot for call failure, one-way audio, data-rate degradation, HW and SW issues, etc.
• Performed Software upgrades, reconfigurations on eNodeB/LSMR/MME/S-GATEWAY/P-Gateway/S-Gateway/BSM/BSM/IP-BSC/BTS/.
• Wrote variety of Technical Method of Procedure (MOPs). Presented technical aspects of the MOPs to Manager, Peers and clients (Sprint)
• Performed IP-BSC/ BTS/ rehoming on Sprint NW by creating and executing necessary MOPs.
• Performed Sprint network capacity augmentation (card addition, shelf addition and node addition) by creating and executing necessary MOPs per IP Plan.
• Implement eCSFB feature on Sprint NV, performed eCSFB testing in all Sprint NV markets.

Confidential, Richardson, TX

Wireless Emergency Recovery Engineer III

Responsibilities:

• Provided Emergency outage Recovery Service to Global Operators for GSM/GPRS/UMTS/CDMA Products: SGSN, GGSN, SIG, e3BSC, OMCR/W-NMS, ERS8600, ERS5220, ATCA, VSE, MSC, CBM, MGW, EBSC, USP. Isolated hardware and software faults during call processing outage, initiated successful recovery steps. Participated in customer technical bridge during call processing outages. Coordinated with various Ericsson matrix departments to resolve outages quickly. Recorded all activities during an outage with accurate time stamps. Collected appropriate data and analyzed outage causes.
• For non-outage issues, recommended problem resolution Action Plans by investigating proper system configurations, network performance Audits, KPI (Drop call analysis, Call Delivery, Data Throughput), developing trouble-shooting methodology and recommending appropriate tools for problem resolution with minimum impact to customer Networks.
• Coordinated with Product Line Support, Network Engineering and other Support teams to ensure that identified issues were resolved with timeliness.
• Developed and enhanced outage Recovery Guides and presented them to Manager, Peers and clients to ensure maximum time and cost efficiency.
• Create Technical Support Bulletins and other technical documentation in the Knowledge Base

Confidential, Richardson, TX

Technical Support Engineer III

Responsibilities:

• Provided technical support to Worldwide GSM Operators. Provided technical analysis and resolution of highly complex problems on 2G BSC, BTS, TCU, OMCR, SGSN & GGSN for worldwide GSM operators. Assisted PLM Groups in performing Root Cause Analysis (RCA) of GSM Access outages and critical issues.
• Manage customer cases to ensure issues are recorded, tracked, resolved, and follow ups in a timely manner.
• Provide fault isolation and root cause analysis for technical issues.
• Deployed in many Operators sites: to investigate Critical call processing issues (drop calls during call waiting, random cross-talks, bad voice quality/interference, call processing degradation/congestion, internetwork handover failure…etc) and provide timely resolution
• Created test plans for new software features. Performed feature testing, performance and reliability testing on different software releases.
• Supported Software Delivery team for upgrades on BSC, BTS, TCU, PCUSN, SSGN, GGSN, OMCR servers on live Networks.
• Presented knowledge transfer sessions to Peers and Clients.