OBJECTIVE:

Seeking a challenging engineering position in the field of telecommunications wif a focus on RF as well as integrating and testing network elements or subsystems in 3G/4G broadband networks.

TECHNICAL SKILLS

Telecommunications/Networking: Engineering professional wif experience spanning Software System Test for telecommunication. Well familiar wif documentation procedures for test plans and execution. Good understanding of GSM, CDMA, WiMax, Confidential Wireless network architecture wif hands on experience provisioning, configuration and debugging techniques.

Project/People Management: In addition to managing my own projects and supervised projects performed by direct reports, co - ops, contract personnel, and Jr. Engineers.

Communication Skills: Developed presentations and delivered the presentations to internal groups during design review process and as a class tutor as well. Consider business ethics and professionalism to be the most important core values in today's competitive environment.

Analytical Skills: Strong and broad technical background and has applied concepts from various disciplines such as probability to problems in telecommunications and wireless network system testing.

PROFESSIONAL EXPERIENCE

RF Satellite Test Engineer

Confidential, Germantown, MD

Responsibilities:

• Run test cases for Satellite link, Antenna Sub-system & Antenna Hubs.
• Testing BRL (Burst Return Link) & CRL (Continuous return Link) in Confidential Arclight Satellite Sub-Systems.
• Monitoring & testing Ka-band, Ku-band surfbeam thru via satellite links, Ka-Band Surfbeam testing & recording max FL data rates of 71.5Mbps.
• Make ACU (Antenna Control Unit) software changes, tested & sent to aircraft in North America & Europe which allowed the test aircraft to continue Europe Flight path Test mission.
• Testing Ku-band, Ka-band continuous Return Link (CRL) to BRL transitions performed as expected also troubleshoot CRL power control issues.
• Measures data rates Ku-band & Ka-band via satellite, primary Ku beam Confidential high data rates & secondary Ku failover
• Configure & testing VMT ( Confidential Mobile Terminal) Hub commissioning, LAN IP, Terminals connecting to Hubs
• Run test cases satellite Hubs & testing ACU Simulator verifying Flight path beam in coverage and no coverage area.
• Troubleshooting satellite sub system and run test cases of each Hub components and automation testing.
• Updates satellite & design documentations in Confidential Perforce & configure DNS servers solve IT related problems in RF Satellite networks. Run Tail SyslogMsgs and WireShark review stats Satellite sub systems
• Run different OS (Unix, Linux and Windows), working wif VMWare, VLAN, VPN, multicast, firewalls tunneling etc
• Install & configure NMS, EMS, NMSPM monitor their performance thru each terminals
• Run Acceptance Test plans for Satellite Handoff, Satellite Hubs, Flight Network Performance & Flight Quality Track
• Testing Satellite Hub Terminals verifying Load Autantication Download (LAD) during flightpaths in Satellite coverage and wifout coverage areas and analysis ATP test cases results in labview.
• Write test cases & executed for Terminal Critical Events, Internal Logger & Terminal Audit Logs

Design/Performance Engineer

Confidential, Naperville, IL

Responsibilities:

• Working on sprint 4G Top Offenders nationwide project to improve Confidential RF performance from predefined baseline, FIT and cluster testing.
• Based on coverage issues heavily involved in 4G Confidential parameter changes, tilt implementations, PCI verifications, PCI NBR confusion, PCI collision, X2 link status, ANR validations, eHRPD parameter updates, MIMO and other critical changes.
• Troubleshooting Confidential Network Issues utilizing tools dat involved Wireshark, SAM, NPO & SPO
• Verifying Confidential call from UE prospective using QXDM, QCAT and QPST
• Executed functional VOLTE test cases-IMS registration of Modem Stack, KPI Testing, and Sanity Testing MO/MT calls.
• Good noledge of 3GPP, VoLTE, VoIp, Confidential and UMTS.
• Performed \ IMS Registration Testing Executed the test cases and IOT Testing.
• Hand on experience on latest 4G equipment and tools including NPO, SPO, SAM B, Sprint Flux tool, WPS, Transcend, NCV, XCM, Snap Shot and other internal ALU, Sprint tools and utilities.
• Working closely wif Sprint and ALU R&D groups for new features and parameters recommendations and their FIT testing.
• Using design tool for 4G Confidential cell sites and make prediction sites, run RF propagation in ATOLL & Planet EV tool for coverage for 90IB, 80IB, 90OS
• Confidential and VOLTE optimization, KPI performance monitoring andtroubleshooting, and design of UMTS and Confidential technologies.
• Multicarrier strategies for Confidential and UMTS Traffic load balancing between the Confidential and the UMTS networks
• Identified and documented the best candidates for new capacity sites by analyzing customer traffic and location information and evaluating existing site coverage and design. Sought potential site candidates according to prescribed criteria.
• Converted traffic overloaded sites from three sectors to six sectors by researching clutter and site information and analyzing customer trends, traffic habits, and location. Designed six sector sites in order to maintain or improve existing coverage and offload traffic.
• Executive reporting Dashboard, Status update and Progress reporting.
• Experience wif live data KPIs and Business Objects & Troubleshoot for any Hardware and Backhaul related issues.
• Presented reports toSprintNational managers highlighting problematic areas and recommendations. Also Mange critical changes, passing KPI’s and traffic analysis reports submission and provide feedback for issues raised.
• Monitoring performance & hardware issues of cells, share day level & BH statistics, provide support on running traces, analyze enodeB, MME, BSS, OSS or any other network element related logs or troubleshooting requirement.

Confidential

Test Engineer

Responsibilities:

• Working on setup, configuration and integration of Public Safety Confidential Demo Systems to be used in live Public Safety Confidential trials in international and domestic markets
• Setup, configuration, troubleshooting of PTT (Push To Talk) solution on Solaris 10 x86 platform over the Ericsson and Motorola Solutions Confidential and 3G networks.
• Worked on VoLTE call flow SIP detailed message decode and time offset to integrate layer 3 and SIP messages in the browser view and develop labview processes.
• VoLTE using SIP call flow and produce call stats and failure analysis logs wif WireShark & Windcatcher
• Review events for VoLTE optimization analysis including SIP Registration, Invite, Session Setup, Ack, Bye, Cancel, Subscribe, Notify, Update, Trying etc and based on customer requirements updates the ATP/ATS documentations in Labview.
• Worked closely wif the national team during the implementation and provide VoLTE Optimization to individual markets.
• Integrate PTT gateway into the Public Safety Confidential system, PTT-NMHost Server Configuration and Brocade Switch 624 FastIron 07400.
• Installation and testing for Generic Application System (GAS) Netra x4270 for PTT Gateway
• PTTPS ISO scratch installation for Confidential hardware and server configuration and gateway testing.
• MVPN test architecture and engineering for Public Safety Confidential division of Motorola Solutions.
• MVPN gateway and client installation, configuration, test case creation and execution for Radio IP MVPN solutions. Work also involves network setup between simulated agency and a lab Confidential network.
• Testing includes basic functionality test such as VPN tunnel setup, session continuity across multiple underlying RAN types such as Confidential /3G / Wi-Fi, dynamic Quality of service (QoS) packet marking, performance and load/stress testing.

Tools/Technologies used: VMWare ESXi, vSphere, Confidential, Radio IP MVPN Server and Client, Windows Mobile 6.5, Android, TCP/IP Networking, iperf, Insight, WireShark

Sr. RF Engineer

Confidential

Responsibilities:

• Responsible for the CDMA/ Confidential capacity design in the South Florida market through new site build and six sector conversion.
• Identified and documented the best candidates for new capacity sites by analyzing customer traffic and location information and evaluating existing site coverage and design. Sought potential site candidates according to prescribed criteria.
• Converted traffic overloaded sites from three sectors to six sectors by researching clutter and site information and analyzing customer trends, traffic habits, and location. Designed six sector sites in order to maintain or improve existing coverage and offload traffic.
• Using Planet EV tool for RF Confidential /CDMA cell sites design make prediction sites, run RF propagation in Planet EV tool for 90IB, 80IB, 90OS
• End-to-end troubleshooting throughout the Confidential networks is further enhanced by adding solution to our current deployment scope
• Overall coordination responsibility rests wif the Ericsson program team to ensure dat the pre-launch integration activities are not impacted by post-launch efforts.
• Ensuring Confidential functionality and uniformity of the user experience across all markets.
• Consistent expectations and deliverables as well as standard reporting for all markets.
• Integration call test review, Sector Handoff Test (Intra) & DL/UL session to ensure accuracy and consistency, the Site Integration call test reviewed wif Ericsson engineers for correct PCI and successful call setup for every integrated site prior to the shakedown.
• Sector Handoff Test & DL/UL session test validates intra-sector handoff in a clockwise and counter-clockwise direction. FTP DL and UL sessions are performed during the clockwise and counter-clockwise drives respectively. Over the air Data throughput is checked to ensure dat it is in-line wif expected backhaul performance. Sector azimuths are also checked.
• Successful Site shakedowns tracked in a shared tracker database dat will be maintained and updated daily. A site will has passed a shakedown when the Sector PCI Verified, Call setup successful, Intra-sector handoffs successful, Azimuths verified criteria has been met and nalysis ATP test cases results in labview.
• Work wif Ericsson in-market point of contact and wif the local MetroPCS RF team. Duties and responsibilities include radio network performance monitoring, analysis, troubleshooting and reporting.
• Monitor eNodeBs & troubleshoot issues (alarms, configurations, T1 reports), system parameter changes, open/track eNodeB related tickets and coordinate wif site techs for resolution. Run scripts for changes provided by Ericsson.
• Troubleshoot air interface, system and network issues to achieve the best end-user experience wif Identify radio network hardware issues, Resolve parameter integrity issues, Throughput, Latency, Improve cell capacity and performance by maximizing SINR, Improve end user experience.
• During the initial phase of the Confidential network tuning activities Alarm Clearing, Parameter Consistency Checks, Network parameters Audit, Neighbor list checked and loaded, Site Shakedowns and Configuration updates
• Confidential Parameter settings consistency checks to ensure dat the power control, handover parameters, Session Continuity, Paging and Custom eNodeB parameters are properly set.
• Follow the Confidential KPIs and monitored the Call Failure Rates, Session Failure Rate, DL Application Throughput (Mean, Peak), Handover Success Rates.

RF Engineer-III

Confidential

Responsibilities:

• Working for 4G data CW testing by using tool Gator for transmitter & Coyote for receiver.
• Run RF perditions in design tool Planet EV for Radial, Circular & Stationary test.
• Recommending CDMA/IDEN System enhancements and RF Parameters based on simulation/propagation model
• Network Analysis and power measurement recommendations based on traffic and noise levels data received through sweep/spectrum analyzer
• Microwave Radio Path Planning, designing transport networks wif point-to-point microwave, point-to-multipoint microwave for access, backhaul design using different topologies Rings using Diversity and Protected Paths
• Using Path loss V4 tool for design & analyzing Microwave links
• Generating Drive test program using Google Pro, DeLorme, Street & Trips for Field survey and analysis of Microwave Paths
• Manage and conduct field work, including path surveys, installation and commissioning support, troubleshooting
• Worked on Clearwire-Sprint Chicago Tribune, VA Hospital and Life Source Lab In-Building System / DAS projects.
• Experience wif In-Building / DAS site survey and walk testing & Analysis of existing Transmission paths, T1, DWDM for vendors and Service providers. Also Coordinate wif RF to resolve zoning issues, Attend zoning hearings
• Assist commissioning and field teams during site construction and commissioning
• Troubleshooting RF coverage issues in the market, including RF audits of PreQual predictions, non coverage-holes
• TEMPEffectively manage design projects and any issues dat arise to insure dat they meet aggressive deployment timelines
• Manage training & guidance for RF engineers and Implement & support HR guidelines
• Work closely wif sales organization to plan and prioritize ongoing market expansion post-launch
• Deliver Sites On air notification to sales team based on RF site coverage & areas
• Provide ongoing capacity management, performance management, and redesign support, in launched markets
• Before new site construction attend sites walk to make sure there is no any blockage or obstructions and make sure construction are completely based on Clearvision and RF site drawings. Analysis ATP test cases results
• Working Planet EV for WiMax to make prediction sites, run RF propagation Planet EV tool for 90IB, 80IB, 90OS
• Manage sites augment project, antenna’s relocation based on blockage and Stack Add
• Generating detailed maps & Designs for Networks Link Budget analysis, Interference and optimization of network
• Verifying network coverage through cluster drives and CW drive test data
• In- Identify sectors wif poor pilot dominance using KPI calculation criteria (i.e. primary connections, total usage, throughput,equal power boundary improvements) & Utilizing X-Stream & Windcatcher to analyze test results reports
• Perform 4G Antenna sweeps verification based on vendor reports
• Support 4G NRF milestone deliverables completions, continuous wave (CW) testing, model tuning, redesign/overlay site selection. Supporting 4G team & sharing load task & assignments
• Collaborate wif 4G vendors to meet or exceed RF milestones & Notify issues as they arise for resolutions.
• Support Site Development wif the completion of 4G site assessments, leasing zoning, construction complete milestones per AVF tracking & attend weekly deployment meetings, and provide requested deliverables as needed.
• Monitor the Sprint Falcon reports & trouble shoots the problem cell sites & Analyze the drop, block access failures
• Run DO NL tool for EVDO update the neighbors, monitor RNC alarms & manage the dash board for EVDO
• Enhancing CDMA voice call capability by analyzing sync, paging, and traffic channels
• Run Invex3G tool for EVDO & verify the RSSI, Thru puts, handoff/downs & EVDO-1xrtt
• Cluster testing to verify system functionality, handovers, RNC handovers
• Responsible for ordering & processing T-1 for New built & capacity sites
• New sites integration in CACP as well as EMS & RNC servers
• Monitor & troubleshoot EVDO & Voice health page for Miami & Ft Myers Florida market sites
• Collecting & Analyzing data by using tools AGILENT E6474A / E74xx (Board & Wipper)