Tom Doherty
RF Systems Engineer at Federal Government- Claim this Profile
Click to upgrade to our gold package
for the full feature experience.
Topline Score
Bio
Credentials
-
EIT
-
Experience
-
Federal Government
-
IT Services and IT Consulting
-
700 & Above Employee
-
RF Systems Engineer
-
May 2018 - Present
RF systems engineer that developing and providing Radio Frequency (RF) systems engineering best practices to capture mission and data needs to ensure a system satisfies requirements. THese efforts include technical direction/leadership, innovation approaches, and systems engineering due diligence. - Identified and provided technical leadership for Over-The-Air (OTA) anechoic chamber alternative use cases to allow RF system verification/validation in a RF protected environment. - Identified and researched innovation approach for digitizing High Frequency (HF) signals to allow for remote site operation. - Mentored employees to increase innovation, RF technology knowledge, and systems engineering concepts. Show less
-
-
-
Lockheed Martin
-
United States
-
Defense and Space Manufacturing
-
700 & Above Employee
-
Systems Engineer Sr. Staff
-
May 2015 - May 2018
Systems engineer for Integration, Test, & Deployment (IT&D) efforts. Tasks are to plan, implement, test, and document solutions for the integration, testing, and deployment of large-scale systems and subsystems. Perform analysis of test results and prepare comprehensive evaluation reports that verify and validate system performance. - Developed, documented, and performed system tests within a Quick Reaction Capability (QRC) schedule for the pre-deployment and post-deployment of a 24/7/365 mission critical system which exceeded customer expectations. - Conceptualized and developed a unique test script to verify system integrity that reduced mission/system downtime after system upgrades. Show less
-
-
-
CACI
-
United States
-
Financial Services
-
1 - 100 Employee
-
Systems Engineer, Lead
-
Jun 2012 - May 2015
Lead Systems Engineer/Engineering Manager for CACI Quick Reaction Capability (QRC) for various military and intelligence community customers. Here I do system engineering for hardware and software architectures for HF/VHF/UHF intercept collection, geo-location and electronic surveillance systems. Sample tasks are system evaluations and analysis, system integration, white paper and proposal development, development of technology refresh plans and recommendations, and customer interaction. KEY RESULTS - Conceptualized and designed modular next generation tactical intelligence collection system with multiple government office buy-in. - Mitigated overheating problem with tactical VSAT system resulting in 100% system availability. - Lead engineering team to solve and provide solutions with a 50% time reduction to allow critical C4ISR platform to perform successful missions. - Developed and implemented QRC system engineering processes resulting in ISO 9000 certification. - Increased engineering department size 150% to support additional contract work. Show less
-
-
-
-
Systems Engineer
-
Aug 2011 - Jul 2012
System engineer supporting Lockheed’s ATE system used on the JSF program. I performed analysis of existing Test Program Sets (TPS) to help in the reduction of the time needed for regression testing, debugged a newly built RF variant of the ATE and reverse engineered a RF switch matrix to reduce the maintenance costs. KEY RESULTS - Performed analysis of existing TPS reducing amount of time necessary for regression testing. - Reverse engineered existing RF switch component resulting in reduced maintenance costs of $10,000 per repair. - Qualified and debugged new RF variant test station hardware and software components Show less
-
-
-
ITT Geospatial Systems
-
United States
-
Business Consulting and Services
-
Systems Sr. Staff Engineer
-
Nov 2008 - Jul 2011
Sub-system engineer for products utilized in ITT’s imagery sensors and processing systems; defined requirements for IRAD efforts to use a newer compression algorithm implemented into FPGAs and eventually ASICs; defined the requirements for a rework of an existing ITT product to reduce overall power consumption while maintaining compatibility with legacy systems. KEY RESULTS: - Define operational and performance requirements for IRAD efforts - Introduced DoDAF methodologies for the architecture development of airborne information processing system - Instituted process updates for requirements definition and program reviews Show less
-
-
-
-
Principal Systems Engineer
-
Oct 2005 - Oct 2008
Designed and developed proof-of-concept point-to-point, point-to-multipoint, and mesh radio communications networking products based on 802.16 standards for tactical environments; lead systems engineer and architect on new business pursuits involving ground, airborne, and maritime ISR systems. Identified, developed, derived, and analyzed system requirements, evaluated architectures, network and communication products, and conducted research for new systems development. KEY RESULTS: - Developed proof-of-concept next generation tactical metropolitan area networking products based on 802.16d and 802.16e (WiMAX) standards. - Developed propagation modeling tools for product performance profiling using Matlab and Excel. - Received three US Patents and four international patents for advanced communication protocols and devices. - Received international patent for position estimation method and device for first responders. - Submission of two US patents for advanced communication systems, protocols, and devices. Show less
-
-
-
-
Systems Engineer, Staff
-
Mar 2001 - Oct 2005
Lead COMINT system engineer for US Air National Guard and allied nation airborne ISR platform. Evaluated existing systems (both US and international) through formal analysis and customer interaction. Provided recommendations for system upgrades or replacement; identified and specified functional flows and performance characteristics of logical, physical, data and control interfaces among system components and operators. Provided input, direction, and guidance to modeling and simulation to develop nominal and worst-case scenarios for ISR systems. Tracked and identified technology to ensure system architectures could evolve to meet future capabilities and requirements. Served as lead engineer for conceptual design and road map for Advanced Signal Exploitation for airborne ISR systems. Performed evaluation of space to ground RF link to ensure RF closure to ground stations. KEY RESULTS: - Identified shortcomings and provided recommended changes to improve capabilities of airborne ISR system. - Determined deficiencies preventing RF closure of space to ground RF link and provided recommended corrections. - Lead COMINT system engineer for US and international airborne ISR platforms. Show less
-
-
-
United Online
-
United States
-
IT Services and IT Consulting
-
Director, Wireless Networks
-
Jan 2000 - Mar 2001
Managed design, build-out, and maintenance of fixed broadband wireless network. Analyzed and developed solutions to support wireless data customers and performed RF coverage analysis. Conducted staff development and established clearly defined department and individual goals and objectives. Performed training and mentoring junior engineers, technicians, and sales force. KEY RESULTS: - Grew company from no data cells to 5 data cells in Denver market prior to company closing. - Provided vital technical input and direction for business plan development. - Maintained 99% network availability for wireless customers. Show less
-
-
-
US West Wireless
-
United States
-
Telecommunications
-
Senior Engineer, New Technology
-
Feb 1998 - Dec 1999
Division of US WEST that provided PCS capabilities and services. Served as senior engineer for investigation and proof-of-concept systems to expand wireless capabilities and services; WAP and Internet Protocol evaluation for wireless data applications. Provided strategic planning for wireless data capabilities; interface specifications and compatibility verification (both RF and data connections) and RF path analysis. KEY RESULTS: - Developed initial wireless data backbone design for support of wireless data to CDMA mobile subscriber units. - Provided key technology assessment to US West CEO to support acquisition planning for Local Multipoint Distribution System (LMDS) corporation buyout. - Received two US Patents for advanced wireless data capabilities. Show less
-
-
-
-
Staff Electronic Engineer
-
Jan 1996 - Feb 1998
Assigned to development of state-of-the-art millimeter wave and microwave communications systems; technical evaluation of proposals and procedures submitted by contractors; functional and requirements analysis; traceability of requirements and requirements flow down; electrical interface compatibility analysis within and across subsystems. KEY RESULTS: - Identified and recommended corrections of numerous errors in program specifications, schematics, and drawings which saved the program cost and schedule by identifying the errors early in the program. Show less
-
-
-
US Department of Defense
-
Defense and Space Manufacturing
-
100 - 200 Employee
-
Senior Electronic Engineer
-
Oct 1986 - Jan 1996
Telecommunication systems development, integration and installation; determining link parameters (wired and RF); system modeling; interface compatibility analysis and verification; system design utilizing PBXs, central office equipment, microwave system; cellular system; repeaters and other ancillary telecommunications equipment. KEY RESULTS: - Awarded Intelligence Commendation Medal for design, installation and operation of unique and innovative telecommunications system. - Recognized by Director of Central Intelligence for going beyond normal duties to ensure mission success. - Contracting Officers technical representative on numerous projects. - Modification of inexpensive, low power communications receiver to provide twenty times cost savings. - Demonstrated ability to fill in at a moment’s notice, quickly mastering new systems, processes and workflows. Show less
-
-
-
US Navy
-
United States
-
Armed Forces
-
700 & Above Employee
-
STG2
-
Aug 1974 - Jul 1980
Sonar Technician Commands: USS Trippe DE/FF-1075 USS Knox FF-1052 USS Pigeon ASR-21 Sonar Technician Commands: USS Trippe DE/FF-1075 USS Knox FF-1052 USS Pigeon ASR-21
-
-
Education
-
1982 - 1984
University of Central Florida
BSE
Community
