SUMMARY:

• Successful and innovative electrical engineer with more than 10 years of hands - on engineering experience with RF/wireless systems technologies. Effective team player who works collaboratively with all employees to achieve measurable and significant results in every project. Adept at leveraging business and technical skills to deliver outstanding results, coordinating product development, procurement and construction initiatives.
• High level achievements focused on development, analysis, testing of systems and components for military, aerospace and commercial applications in communications, wireless home networking & embedded systems.
• Good understanding of terrestrial network and satellite communication system factors including quadrature amplitude and phase modulation, signal detection, signal & interference analysis and baseband filtering.
• High knowledge of digital communications, RF system analysis, FEC coding & communications engineering.
• Deep understanding of IEEE 802.11n/ac, spread spectrum, WCDMA and other OFDM-based systems.
• Familiar with antennas, antenna polarization, MIMO technology, power spectral density & spectral roll-off.
• Over 6 years knowledge and experience with spectrum analyzers, network/protocol/packet analyzers and performance tools for the PHY layer through the TCP/IP protocol suite (Ipv4/v6, TCP, UDP, RTP).
• Proven acumen in research, testing and innovation development, yet with leadership skills necessary to supervise start-to-finish design and implementation.
• Certification pending in April 2017 from CWNP for Certified Wireless Network Administrator (CWNA).
• CORE COMPETENCIES
• Solution Development Analytical Calculations Hardware Testing
• Validation Deep Understanding of IEEE 802.11n/ac RF Equipment / Instruments
• TCL, Python scripting MIMO and Multi-User MIMO Over the Air, Rate vs Range Testing
• LabVIEW Modulation and Coding Schemes System Requirements Verification OctoScope Wireless Testbed Wireshark Packet Capture/ Analysis Electronics Research
• Ixia VeriWave / IxChariot Quality of Service / Experience Emergent Technologies

PROFESSIONAL EXPERIENCE

Confidential

Atlanta, GA

Wi-Fi Test Lead Engineer

• Oversight of Test Management processes enhancing customer premise equipment (CPE) functionality, Wi-Fi performance and stability while minimizing RF impairments in PHY layer 1 from Interference and Attenuation.
• Compares Wi-Fi device performance between baseline measurement in controlled, non-fading environment and ‘real world' measurement in uncontrolled environment; providing recommendations and test results on device performance.
• System test plans start with established functional test cases with the objective to eliminate functional issues in an ideal environment before conducting performance tests in a harsh environment with heavy traffic and/or interference.
• Ensures compliance to Quality Assurance of network traffic performance in Layers 2-3.
• Provides on-site support execution of test plans for key features and firmware releases.
• Defines test requirements, facilities and test environments for acceptance and regression tests.
• Provides initiatives for improvement of product development, interoperability, test and support processes.
• Organize, interact and support cross functional teams located around the globe.

Denver, CO

Wireless Video Network Systems Test & Development Engineer

• Wi-Fi (IEEE 802.11n/ac) RF MIMO (Single-User & Multi-User) antenna systems expert supporting CenturyLink’s Video Test & Development team for its IP-based TV solution, PRISM TV, a full wireless system at the client’s premises.
• Played a key RF expert role in test development, installation, equipment acquisition and KPI definitions of new Wireless Emulation System facility utilizing OctoScope RF anechoic isolation chambers, variable attenuators and Ixia’s state-of-the-art RF and network testing and channel emulation equipment.
• Performed validation / verification of architecture for PRISM service expansion project evaluation and recommendation of strategic test plans, practices, and introduction of new IP and wireless test methodologies.
• Identified operational and design issues through data analysis; worked with Device/chipset vendors and Engineering to resolve issues and design flaws, thereby enhancing video and signal processing hardware.
• Worked with Wi-Fi OEM reps. to improve device performance and functionality of In-home networking technologies: Access Points (AP), residential gateways, set-top boxes, home routers, digital media devices, etc. - including evaluation of RF subsystems from Quantenna and Broadcom offering MIMO 4x4.
• Assessed radio resource management with traffic/interference generators and IxChariot for network diagnostics.
• Maintained and enhanced Video Test & Development Lab facilities, video and signal processing hardware, software and electrical systems.
• Comprehensive Layer 1-7 testing through real-time statistics such as throughput, intended load, forwarding rate, aggregation, packet errors, latency, jitter, number of spatial streams, channel width, channel adaptation, PHY rate, etc.
• Performed Veriwave WaveApps performance and capacity benchmarking of Packet Loss, Maximum Client Capacity, Latency, Throughput, TCP Goodput, Rate vs Range; in Over-the-Air and Conductive (cabled) scenarios on dual band radios (2.4 and 5 GHz) of ZyXel & Technicolor Residential Gateways and AP reference designs from Marvell & Broadcom.
• Executed and modified automated throughput TCL scripts controlling IxChariot, programmable attenuators and turntable to measure and report MIMO throughput vs. range vs. DUT orientation inside OctoBox RF anechoic chamber on a 24x7 basis; validating compliancy & robustness; producing defensible, repeatable test results.
• Performed and documented Regression, Exploratory/Ad Hoc tests and methodologies; published concise results.

Phoenix, AZ

Audio/Visual Technician

• Design and creation of environments for business and entertainment event productions.
• Set up audio systems for speech, musical sound effects, optimizing power distribution of input/output by frequency response adjustment, dynamic range, tonal selectivity; minimizing channel interference, feedback and distortion.
• Assembly and staging of multi-spectral lighting and visual LEDs for customized venues, inside and outside.

Phoenix, AZ

Senior Level RF ATE-Test Engineer

• Development of next generation avionic Mode S transponders, integrated surveillance systems and combined Traffic and Terrain Collision Avoidance Systems (T3CAS) to enhance safety and situational awareness for operators by making information such as latitude/longitude position and track angle rate available to the operator, as well as ground-based and airborne interrogators.
• Tested RF transmitters and receivers including temperature regression and environmental stress testing (ESS) with applicable lab test equipment.
• RF Requirements Definition, Analysis, Debug, and Testing in L-Band (978 MHz through 1215 MHz).
• Coded LabWindows/CVI 8.5.1 routines in TestStand 4.2 that call these .Dlls to Interface for Test to Production.
• Revised Test Requirements Documentation after corrections made for defects found in testing LRUs.
• Evaluation of Mutual Suppression bus failures of Pulse Width Tests allowing for pipeline delays within reception path.
• Updated Acceptance Test Procedure - Transponder Sync-Phase-Reversal (DPSK) Position Tolerance, with correct values for low/high timing deviations. Reworked sample sizes to correct defects found in first inspection of pulse duration tests.
• Prepared T3CAS Burn-In document, inserting Hardware Test Software, Temp/Vibration Built In Test Screening.

San Antonio, TX

Electrical Test / Software Engineer

• Provided development and maintenance support for Lackland AFB with Common Bench-top Automatic Test Systems (ATS) on multiple military and aerospace project applications, refurbishing avionics and instrumentation.
• Leveraged ATS development for regression testing executing LabVIEW, LabWindows/CVI in TestStand with basic usage of UNIX and UNIX tools for hardware to software interface.
• Translated business requirements into test cases; managed requirements traceability, defining resource reqts.
• Coordinated subsystem integration, test procedure development/conduct, report generation of new / legacy systems.
• Supported preliminary and critical design/readiness project reviews during the complete SW development life cycle.
• Collaborated with technical writers to create customer-relevant documentation and resolve ambiguities using scientific analysis and mathematical models to predict and measure outcome and consequences of design.

Santa Fe, NM 

Senior Engineer

• Worked closely with project managers, physicists, engineers, and technicians to design and implement HW/SW necessary to deliver project deliverables according to contract requirements and budget constraints.
• Design, Basic Construction, Equipment Arrangement of nuclear waste treatment and compaction facilities to support Rokkasho Reprocessing Plant in Japan and High Resolution Gamma Spectroscopy for  Confidential, China.

Scottsdale, AZ

Wireless Communication Systems Engineer

• Supported development and deployment of ground segments for Mobile User Objective System (MUOS), the US Navy’s next-generation satellite communications system that provides global SATCOM for DoD using WCDMA technology.
• User terminals provided under the Army’s Joint Tactical Radio System (JTRS) program. Performed integration and test (I&T) activities for JTRS and development of Software Designed Radio Solutions.
• Created satellite link budgets using analytical methods for transport of signals between radio base station antennas and GEO satellites provided by Ka-band uplink/downlinks, with each link transporting samples for 32 WCDMA beam carriers via three 8-PSK (phase modulated) signals.
• Supported efforts to unravel digital signal processing problems with SATCOM related defect changes.
• Designed, developed & prepared test plans and procedures for several contract milestones: Performance Verification phase of Contractor Development Tests, Reliability Development / Growth Tests and Logistics Assessment.
• Executed ESS, EMI/EMC and Highly Accelerated Life Test and Stress Screening (HALT/HASS) tests for JTRS modules.
• Analyzed Digital Modular Radio (DMR) receiver strong signal selectivity, overload and intermodulation distortion problems for External RF and Power Amplifier team.
• DMR hardware validation testing to qualify DMR UHF and HF Power Amplifiers.
• LabVIEW instrumentation implementation and troubleshooting of JTRS modules - RF, power, digital.
• Verification of customer requirements through demonstration, witnessing and sign-off by military customer for approval and acceptance of final versions of test plans and lab/field test procedures.
• Verified inspection requirements and design guidelines for JTRS Manpack and small form factor radios for remote ground and UAV systems.
• Researched, modeled RF distortion and nonlinear memory effects for Independent Research & Development project - Integrated Software Defined Radio Solutions, employing Matlab / Simulink to develop models used to test compensation algorithms to linearize Power Amplifier operation via predistortion.
• Modified commercial-off-the-shelf, third-generation (3G) cellular technology for battlespace needs.
• Performed spectrum management in accordance with Consultative Committee for Space Data Systems (CCSDS) advisement for Space Packet Protocol.
• Cross-function with domain experts in HW, SW, Operations, Production and QA to develop consistent I&T approaches; identifying available test equipment and hardware; willing to work outside identified goals and areas of expertise.
• Researched design documents, drawings, product datasheets, industry and goverment handbooks / guidelines.

Tempe, AZ

Power Amplifier Product Engineer Intern

• Performed analyses to identify defect root causes of yield variance and optimized processes, sustaining power amplifier module support to drive assembly and accelerate module yields. Effectively enhanced yields by correcting parametric failure modes that adversely affected yield.

Gilbert, AZ 

Engineering Intern

• Generated top-level specifications for hardware implementation of electrical power subsystems for satellites and payloads contracted by US military and NASA.
• Performed detailed analyses of circuitry, assisting in hardware design solutions for analog circuit design, firmware applications and printed circuit board layout.
• Validated parts specifications by performing parts-stress, worst-case and power dissipation testing.

Edwards AFB, CA

Flight Operations Engineer Intern

• Prepared test plans, emergency procedures and mission rules for Active Aeroelastic Wing project.
• Assisted systems integration for X-43 hypersonic scramjet.
• Configured controls for structural, propulsion, controls, sensors and telemetry.

Tucson, AZ

Engineering Intern

Responsibilities:

• Extracted test requirements from principal electrical engineers for circuit card assemblies used in Seeker Module of Tube-launched, Optically-tracked, Wire-guided (TOW), Fire & Forget anti-armor missile.
• Designed and built a test program for Analog Standard Test Equipment Platform using LabWindows/CVI 6.0.