Experience

Main Street Broadband

• Telecommunications
• 1 - 100 Employee

• Engineering Manager

  • Jul 2011 - Present

  Manage and engineer a wireless network based on 802.16 (WiMax) and 802.11 (WiFi) providing Internet access to rural Georgia and Florida. Report to the Director of Engineering. • Design RF network including issuing Search Rings, performing candidate selection based on households covered, define RF configuration to maximize coverage while managing spectrum allocation. Define all WiMax RF parameters such as CID, Preamble Index and Segment Number to maximize signal to noise ratio (SNR). • Partner with Compass Technology Services to execute site acquisition, site construction and site commissioning in order to maintain deployment schedule and deliver Internet service to new territories. • Design unlicensed and licensed microwave (MW) links for new sites integrating into ring topology to achieve backhaul connectivity and redundancy. • Manage RF capacity of 130 sites and deploy additional carriers to support subscriber growth. • Oversee performance maintenance and optimization of the RF layer for 130 sites to maximize user experience and maximize return on investment to realize corporate goals. • Manage capacity and performance engineering of Backhaul network including transport, transit, MW equipment, ASN Gateway licenses and switches/routers to support growing customer base and throughput demand. • Partner with Network Operations to monitor all network elements and resolve outages and degradation swiftly to reduce churn. • Manage contractors performing drive testing and RF layer acceptance testing. Use drive test data to generate tuned RF propagation models for each sector, and the resulting coverage prediction is used within a prequalification tool, which helps Sales focus on leads. Show less



Clearwire

• United States
• Technology, Information and Internet
• 400 - 500 Employee

• RF/Microwave Engineer

  • Aug 2010 - Jun 2011

  Design Microwave (MW) Backhaul network and perform capacity and performance engineering of WiMax RF layer and MW Backhaul network • Forecast and deliver MW backhaul capacity to support projected subscriber growth while minimizing capital expenditures to sponsor corporate objectives. • Maintain overall health of Backhaul network by monitoring performance of all vital components such as radios, modems, switches and ancillary equipment of more than 300 links. • Developed thorough understanding of MW equipment from various vendors such as Dragonwave, Ceragon, Motorola, and Redline. • Triage degraded MW links to enhance the Operations team’s ability to diagnose root cause quickly to minimize outage minutes, minimize tower climbs and minimize impact on subscribers. • Design licensed and unlicensed MW links for RF capacity and coverage improvement sites utilizing ring topology to provide redundancy and diversity to support subscriber growth and throughput demand. • Forecast and plan deployment of RF capacity to support subscriber growth and traffic generated by the array of end user devices. • Collaborate with a team to Execute RF performance engineering for 500 plus base stations to maximize subscriber user experience and minimize churn. • Developed database driven tool, adopted as flagship of the East Region, used to identify high utilization MW links and prioritize capacity upgrade based on subs supported, cost of upgrade and lead time to execute upgrade, which focuses engineering capital and operation expenditures accordingly. Show less



Sprint

• United States
• Telecommunications
• 700 & Above Employee

• National Senior RF Engineer

  • Apr 2009 - Aug 2010

• SENIOR RF ENGINEER, SOUTH REGION TECHNICAL SERVICES

  • Jun 2007 - Apr 2009

• SENIOR RF ENGINEER, TRAFFIC and PERFORMANCE ENGINEER

  • Jan 2006 - Jun 2007

• RF ENGINEER II, TRAFFIC ENGINEER

  • Apr 2005 - Jan 2006

  Monitor, trend, forecast and plan wireless network resource utilization to maintain Grade Of Service.• Maximize the use of capital expenditures by monitoring utilization of Base Radio hardware and managing the effort to deploy these resources within the iDEN network to maintain GOS for 2500 sectors in the Atlanta market.• Defined and manage the 900 MHz Base Radio Relocation project to ease frequency reuse within the network and maximize the benefit of the 900 MHz spectrum going into rebanding.• Coordinated and managed the ILA and DLA re-groom review effort for the Atlanta market to mitigate elevated P/SCCH utilization thereby enhancing subscriber access to the network.• Collaborated with RF and Spectrum groups in the annual design review process to determine network resources required to meet and exceed projected subscriber growth. Show less



AirGate PCS

• Telecommunications
• 1 - 100 Employee

• Senior RF Engineer

  • Apr 2000 - Apr 2005

  •Conducted strategic resource planning for deployment of EVDO into CDMA network to provide subscribers with improved HSPD service. •Improved Engineers network troubleshooting abilities through selection of best optimization tools and test equipment providers. •Forecasted and trend network traffic for capacity plan to determine annual budget. •Expanded network capacity and enhance performance by devising and managing a $12M Base Station upgrade project for 611 cell sites. •Achieved corporate goal by developing strategy for 3G1X deployment, implementation and optimization into CDMA network covering 75% of the population within specified time frame. •Maximized the use of capital expenditures by determining a model to prioritize the deployment of new cell sites extending network coverage and enhancing In-Building service. •Performed propagation model tuning via dB Planner and Planet EV utilizing drive test data improving accuracy of RF planning and propagation tools, which enhances the quality of the network. •Identified new software tool (dB Planner CDMA 2000 simulator) and demonstrated to senior management its benefits for optimizing network performance. •Balanced traffic across switch modules maximizing vocoder and trunk utilization and optimizing performance by reducing inter-switch module hand-off by 30 %. •Improved overall performance by as much as 60 % through the utilization of a new optimization process. •Reduced the network drop and block call rates by 0.5 percent through the design and implementation of the first “six-sectored” solution for dense user environments, which became a staple RF design for military bases. •Derived power configurations for the Lucent Modcell sustaining RF coverage without reducing the maximum output power preserving the capacity of the cell site and maximizing utilization of capital expenditures. Show less



Lockheed Martin

• United States
• Defense and Space Manufacturing
• 700 & Above Employee

• Engineer II

  • Aug 1997 - Mar 2000

  Tested and developed electronic devices and systems for aircraft. • Collaborated on design, test and demonstration of the Optical Bus Interface Module, which provided cost savings to the manufacturing process. • Designed, assembled and verified a system that combined RF and Optical communication demonstrating success of new technology. • Pioneered ESD characterization testing and analysis for the C130J paint-less Aircraft Program endorsed by the Navy which lowered aircraft manufacturing and maintenance costs. • Assembled, performed, analyzed and reported EMC/EMI testing in accordance to MIL-STD-461/462. • Designed and implemented lighting transient susceptibility test for the C-130J platform. • Managed acceptance testing for all coaxial cable and antennas installed in the C130J aircraft. Show less



Dataradio Corp.

• System Engineer

  • 1999 - 2000