OBJECTIVE:

I’m responsible for IP - design, integration and commissioning of 3G/4G core and RAN access network components such as: 3G, 4G LTE, LTE-advanced, evolved packet core (EPC) networks and Cisco routers including software/hardware upgrades, call process acceptance testing and delivery to customer up on project schedule. Experienced in successfully accomplished multiple project commissioning, integration, testing, Design and call acceptance testing. Provided technical support during network outages and leveraging broad-based expertise to handle problem identification, diagnosis, resolution, and escalation to R&D using escalation process system tools. Performed network configurations, parameter feature upgrades and validation, network audit functions and remote access support.

SUMMARY:

• Integration, Commissioning, Testing of core and RAN network components “EPC, LTE, MME, A-MME, SGW, A-SGW, PGW, A-PGW, MSC, RNC, eNB, BTS” network components using (CIQ), HLD, LLD IP-design documents.
• Troubleshooting and customer technical support activities in Core network elements.
• Accomplished IP design for 3G/4G core and RAN access lab networks and on time project implementation.
• RAN & CORE network troubleshooting, Functional testing and configurations that including Cisco routers
• Experience in (CTTP, ATP) for 3G/4G call test scenario and collect call logs and deliver to customer.
• Create and execute method of procedures (MOP) for 3G, LTE, EPC, MME, S/PGW, eNB, Network components.
• Integrate, test, turn-up, and traffic migration of new switches/nodes and Tier-2 technical support.
• Experience in LTE, LTE-advanced & EPC interfaces, such as S11, S5/8, S1-MME, S6a, SGi, X2, Rx, Gx etc.
• Configuration and integrations of Radio base stations, RRH, RF parameter configurations and optimization.
• Execute MOP for routers, Core, RAN access network components including inter mesh trunks (IMT).
• Configured trunks, STP, RTP, SIP, Megaco, and IOS for CDMA wireless core and RAN access networks. Soft
• Configured and testing switch announcements for MGW and Mobile Switching center (MSC).
• Integrate and commissioned MGW-MGW, MGW-RNC, MSC-MSC connectivity of network topology.
• Configured IWS for eCSFB on BTS, eNB, MME, MSC and parameters updates for and eCSFB call tests.
• MGW-MSC trunk definition testing as well as MGW/MSC/RNC integration and end-to-end testing.
• Experience on site rehomes, on wireless soft switches (MSC/RNC) and sector additions and definition.
• Configuration of backhaul network migrations for cell sites using cisco routers (CSR) and creates site on cisco prime network and cisco network vision network topology.
• Experience in design, implementation, and operations and Call testing of mobility services that includes GSM, GPRS, UMTS, CDMA, evolved packet network (EPC) and LTE-advanced.
• Experience in evolved packet network components (EPC), including SGSN-MME, SGW, PGW, GGSN, DNS, etc.
• Call acceptance testing and experience using tools QXDM, XCAL for throughput performance testing.
• Configured and upgrades cisco IOS for cell sites using cisco prime network graphical interfaces (GUI).
• Network Deployment, Migration, Commissioning, Integration & core network Customer Support
• Deploy ENV files from to cell sites and cell site configurations using cell site router script and troubleshooting site related issues with filed engineers and vendors.
• Create new BTS’s, eNB’s on routers, RNC, MME and 3G core networks and troubleshooting sites with Fiber, Ethernet, and microwave backhaul network connectivity’s.
• Provided Tier-2 customer support for 3G/4G-LTE - advanced core and 3G, 4G RAN access network.
• Implementing MSC switch translations, trunk circuit configurations and test validations.
• Install Tomcat, Red hat software’s, software patch upgrades in Unix/Linux OSS servers.
• Commissioning and Integration of LTE and LTE-advanced networks, BTS, MMBS, MME, PGW, SGW, RNC and evolved packet network (EPC) components.

TECHNICAL SKILLS:

Network Platforms: 2G, 3G, 4G, LTE, LTE-advanced, EPC, Cisco routers, Backhaul network and IP Interfaces

Protocol/Analyzer & tools: Wireshark, Qscope, Iperf, PLEX-call test analyzers, QXDM, XCA, QPST, MAP info, Cisco prime networks and different vendor based software applications and tools.

Vendor-Entities: Samsung/Ericson/Nokia/Huawei/ZTE network platforms.

Applications: Unix/ Linux Operating systems, Microsoft office, Visio, WinFiol, CLI, crt, Xshell, Putty, cisco prime network and different vendor based software applications and tools.

Protocol: 3G, 4G,LTE, LTE-advanced EPC network E2E protocols and interfaces, TCP/IP, MPLS, BGP, OSPF, DNS, FTP, SFTP.

Network management systems.: OSS, CNEMS, LSM-R, LSM-C Unix and Linux servers.

PROFESSIONAL EXPERIENCE:

LTE design & integration Engineer

Confidential, Park Lab, KS

Responsibilities:

• Key contributor on a multi-functional team of 3G/4G wireless, LTE and EPC core and RAN access network IP plan design, Integration, commissioning, Testing & troubleshooting.
• Responsible for Lab set up for core and RAN access networks, including LTE-MME, PGW, SGW, CDMA wireless, 3G/4G Radio Access networks (BTS, eNB, Small Cell sites) TDD/FDD network components.
• Bring up 3G and 4G-network equipment’s, configurations, software loading and hardware upgrade in the lab and production network environments.
• Configuration and integration of Radio base stations, RRH, RF parameters configuration and testing.
• Radio base station configurations to cell site cisco router and testing of E2E connectivity, RF signal testing.
• Established lab environment testing setup for RAN access and core network components, these includes configurations, call testing, debugging and call log traces analysis.
• Design, develop, build configuration and create upgrade MOPs for RAN and core network components.
• End to end network design deployment, execution, monitoring, troubleshooting, tracking, router script modifications and technical support.
• Involved in lab test transition activities, setups, Test bed configurations, create MOP’s, MOP-execution, software upgrades, call testing & support RCA.
• Support integrations of HP DL360 blade server for OSS network and E2E configurations to Cisco router.
• Upgrade, maintain and troubleshoot HP DL360 blade Server and connectivity to routers and switches.
• Setup eCSFB (enhanced Circuit Switch Fall back) for 3G & 4G networks and perform eCSFB call testing.
• Provide technical support for 3G & 4G EPC network platforms as well as corresponding OSS networks.
• Test, deploy, support, maintain & Integrate (vEPC) MME, PGW, SGW, eNB, routers & OSS networks.
• Working on networking protocols including IPv4/v6, TCP/UDP, SSH, DNS wire shark etc.
• Hardware and Software application deployment and integrations remotely and on onsite.
• Design LTE, EPC, core and RAN access networks, cell sites & routers for end-to-end implementation.
• End-to-end network and feature testing, golden parameter upgrades, Call Process & Performance Testing.
• Throughput testing and verifying KPI at physical and RRC layers and analysis of data performance.
• Provide advanced support network integration, commissioning of new services, OCS/OFCS for charging.
• Working on design, implementation, call process testing for mobility services on CDMA, UMTS, LTE, LTE-advanced and EPC network components.
• Utilize various tools including: QXDM, QPST, XCAL packet traces, tcpdum, Wireshark, Iperf etc.
• Experience in Linux/RedHat & knowledge on virtualized mobility infrastructure (SDN / NFV).
• Collect voice and data call log traces, analyzing & resolved issues affecting call acceptance test processing.
• Support Vendor’s during network deployment and validation testing of new products and services.
• Call processes testing including fallback (eCSFB), parameter configuration updates & validates call testing.
• Provide on-site and remote technical customer support during software and hardware upgrades, network outages and new feature parameter implementations within the network.
• Manages small to medium projects such as software deployment, hardware replacements as well as new projects that include IP-design, configuration, feature activations and validation testing.
• Experience ASR9k, 7606, 2941 series of Cisco routers and Cisco Prime network components.
• Operation and maintenance of cellular networks such as: BTS, BSC, MSC, HLR, MGW, UMTS, RNC, Node B, MME, PGW, SGW, EPC network components.

Network Engineer

Confidential, Herndon, VA

Responsibilities:

• Working with evolved packet core network elements (EPC), including MME, SGW, PGW, PCRF & routers.
• Working with 3GPP standards, protocols, procedures, implementations and acceptance call flow testing.
• Generate site-specific router scripts using automation tools; modify router scripts based on each cell site CIQ parameter and execution of scripts to the router.
• Create cell site router scripts and verified against golden scripts with automation tools and CIQ documents.
• Work with field engineers on BTS’s, eNBs CSR routers connected using Fiber, Ethernet & microwave.
• Work with field engineers to troubleshooting issues in all areas of network related activities including T-1s, fiber, Ethernet, microwave backhaul networks, routers such as 2941, 7606, ASR9K series.
• Create scripts using automation tools and verify with IP design and VLAN’s, CIQ data for backhaul, OAM and Signaling of multiple network components.
• Troubleshooting backhaul networks connectivity issues with different AAV vendors.
• Create new sites using methods of procedures (MOP), backhaul network conversion for existing cell sites.
• Execute (MOP’s) in 7606, ASR9k, cell site routers (CSR) for 3G/4G network component connectivity’s.
• Execute ENV files to cell sites and scripts to cell site routers, troubleshooting network connectivity issues.
• Perform Q-Scope testing for backhaul network industry standard validation, includes latency, packet loss.
• CDMA wireless, EPC, LTE core and RAN access network commissioning, CTTP, ATP call process testing.
• Creating customer tickets, troubleshooting network outages, report findings and proposed best solutions.
• Perform 4G eNB, integrations via OSS, Linux system manager for radio aces network (LSMR).
• Alarm Troubleshooting & Fault Management of 3G/4G, core and RAN access network components.
• Sector or Carrier Adds/Delete on RAN access network, MME, MSC using OSS, LSM tools.
• Cell site Integrations for IP backhaul Microwave, Ethernet, and Fiber networks with different AAV vendors.
• Configured simple network management protocol system for real-time network alarm monitoring.
• Troubleshoot and resolve CORE and RAN network problems using Wireshark, tcpdum application tools.
• Troubleshoot firewall, STP, OAM connectivity during new network integration and commissioning.
• E911 and lawful interception (CALEA) configuration and troubleshooting and resolved connectivity issues.
• Experience on logical configurations, testing, troubleshooting of layer 1-3 network related issues.
• Understanding and experience of different network routing protocols such as OSPF, BGP, and EIGRP.
• Experience in routing configurations, troubleshooting, and run QScope tests to validate Network quality.
• Create and job-aids during system configuration, testing and troubleshooting of EVC and IP connectivity’s.
• Install Dell DL360 Blade server and EMC storages, Unix/Linux servers and software’s, for OSS, NMS.
• Install Tomcat, Red hat, and SQL software’s; on Linux servers and IP-network interface configurations.

Network Deployment Engineer

Confidential, Overland Park, KS

Responsibilities:

• Integration and commissioning of telecom network components such as: WSS, MGW, EPC, LTE, MME, advanced MME, SGW, advanced SGW, BSC/RNC, LSMR/CNEMS, eNB, WiMAX, MMBS and BTS.
• Provide technical expertise to customers by Creating MOP’s, CIQ, IP-plan, network bay profile documents for core and RAN access network elements on Confidential nationwide network modernization project.
• Troubleshooting and technical support to customers on 3G, 4G-LTE and auxiliary network elements.
• Failover (redundancy) testing on nationwide wireless 3G/4G core and RAN access networks projects.
• Turn up SS7; STP connectivity’s between Core and adjacent STP nodes of MSC/RNC networks.
• Collect, analyze call trace loges, identified and resolved issues that affect call process acceptance testing.
• Software/Hardware upgrades for LTE, MME/A-MME, SGW/A-SGW, eNB, 3G-CDMA wireless networks.
• Executed ATP, CTTP call test case scenario and deliver results to customer with documented logs.
• Configured inter mesh (IMT) trunk connectivity on ASR9K router for different network components.
• Enhanced Circuit Switched Fallback (eCSFB) feature parameter configurations and updates.
• Configured and testing inter mesh trunk connectivity between RAN and core networks using Cisco routers.
• Troubleshooting call drop issues during cell site rehomes and resolved issues, proposed solutions.
• MGW-BSC/RNC-MSC node integrations and testing such as Megaco, RTP, STP, SCTP and IOS protocols.
• Network expansion upgrades, development method of procedures (MOP), execution and delivery.
• Execution of new feature, golden parameter scripts for LTE, LTE-advanced and CDMA network elements.
• MGW-MSC trunk configuration, MGW/MSC/BSC/RNC (IOS-signaling link) & BTS configurations.
• Knowledge and experience of protocols (IP, TCP, UDP, SCTP, S1AP, Diameter, GTP, GTP-U, GTP-C, M3UA, SCCP, RANAP, BGP/OSPF, MPLS, SSH, SNMP, RTP, MEGACO TL1 and VLAN’s).
• Configured and testing (SIP), Real-Time Transport Protocol (RTP) includes G.711 for codecs and Megaco.
• Experience and knowledge on VOIP network configurations and testing.

Network Engineer

Confidential

Responsibilities:

• I was responsible for identifying customer requirements, and developing plans to address them and Work closely with project teams as they bring up new platforms into operations. Collaborate with network operations center (NOC), system integration, commissioning and customer technical support:
• 24/7 Tier-2 technical Support for Tier 1 customer Core Networks and rectified and communicated issues with team and escalated issues to R&D with appropriate procedures for immediate and permanent solutions.
• Prepare Data transcripts for A/B number/IMSI analysis/GT analysis/Signaling/Traffic Routing.
• Integrate, test, turn-up, and traffic migration on new switches and cell sites in (GSM MSC/ BSC, APG 40.
• Define/reconfigure cell sites in the MSC/BSC and 2G and 3G neighbor relations using OSS tools.
• Commissioning and network integration on different network platforms of GSM-MSS, BSC networks.
• Integration and commissioning of Ericsson GSM networks and support for projects of core and ran network.
• Performing signaling tracings, like MAP & ISUP traces to identify root causes during troubleshooting.
• Prepared daily, weekly and monthly report of the network performance and made recommendations.
• MSC/BSC/APG health check & backups, APG administration, file & resource management, user admin.
• Made CDR backups, trace CDR files and identify the problem, using PLEX applications.
• Core network design on multi-vendor environment: Ericsson, Nokia, Huawei & ZTE GSM networks.
• Troubleshooting networks and configures A/B number tables, GT, RC & EOS analyses, IMSI, MSRN etc.
• GSM network O& M, Tier-2 Support on AXE 810 Platforms of APZ/APT 212 33 /33C/40
• Experience on Operations & Maintenance of Nokia and Ericsson GSM-MSC, BSC & HLR networks.
• Creation, modification, updates and testing of RF parameters in to the BSC and cell sites.
• Testing Radio network coverage and interference using TEMS during RF parameter changes.
• Create methods of procedures for the RF parameter changes and cell site software upgrades.
• Hardware & Software upgrades O&M activities in Ericsson GSM network platforms of different versions.
• Troubleshooting, Network performance on GSM MSC/BSC on AXE 810, APG40&HLR customer related issues using OSS/WinFiol applications.