Radio Frequency Electrical Engineer, April 2007 - Present
Electrical Engineering Group Lead, April 2004 - March 2007
Electrical Engineer, December 2003 - Present
Aurora Flight Sciences Corporation - Manassas, VA -
http://www.aurora.aero/- Managed group of electrical engineers.
- Primary RF allocation coordinator for UAV flights at government installations.
- Responsible for RF link budgets for all UAV/Ground radio links.
- PCB Design of high current power router assembly.
- Bootstrap of software and CAD file revision control system using CVS on surplus Linux machine
- Designed several antenna systems from 900MHz to 2.4GHz
- Designed and implemented steerable antenna array for UAV C2 and Payload radio links
- Designed and constructed multi-channel analog low pass filter PC104 board
- Chief Engineer for a NASA Wallops cloud research payload featuring scientific quality video capture and relay via TDRSS data link.
Senior Electrical Engineer, November 2001 - November 2003
Aeroastro, Inc. - Ashburn, VA -
http://www.aeroastro.com/- Designed low dropout discrete power supply circuit in satellite transponder
- Designed of microstrip PCB layouts for S, L and C band microwave radio oscillator assemblies
- Member of X Band Transponder team for NASA ST5 Satellite Mission
- Bootstrap of software and CAD file revision control system using CVS on surplus PC
Senior Electrical Engineer, May 2001 - September 2001
Metrobility Optical Networks (formally Aura Networks) - Manassas, VA
- System design of new gigabit Ethernet router
Senior Electrical Engineer, August 1999 - May 2001
Transmitter Location Systems, LLC - Chantilly, VA -
http://www.tls2000.com/- Designed and implemented three 9Ux160mm VME bus boards with custom P3/J3 backplane
- Designed and implemented Altera programmable logic designs for all VME bus assemblies
- Designed VME bus slave circuitry using PLD and buffer integrated circuits
- Continued development of the open source VMELinux Tundra VME PCI Linux driver project
Electrical Engineer Consultant, January 1999 - July 2001
Contractor - Springfield, VA
- Designed and implemented single axis telescope controller
- Developed programmable logic code to support motion control
- Finished product installed in telescopes worldwide in association with TelescopeControl.com
- Co-wrote the Linux Astronomy-HOWTO
- Designed and implemented 100 volt piezo driver analog circuit amplifier with discrete transistors
Senior Electrical Engineer, November 1990 - December 1998
Interferometrics, Inc. - Chantilly, VA -
http://www.interf.com/- Embedded hardware design, testing and installation of VME based 9Ux900mm 37 DSP parallel processing engine.
- Designed and implemented phase position and counting VME bus assemblies
- Designed and implemented laser interferometer detection analog circuit assembly
- Designed and implemented IRIG B time code distribution system
- Designed and implemented 480VAC electrical power distribution system for interferometer site
- Electrical engineer for the Navy's Optical Interferometer Telescope project
Electrical Engineer, November 1989 - October 1990
CACI Federal - Fairfax, VA -
http://www.caci.com/- Designed and implemented custom 3U VME bus enclosure and backplane
- Designed memory buffer module
- Designed and implemented analog to digital VME bus assembly with analog filtering
Electrical Engineer, September 1987 - October 1989
American Electronic Labs - Falls Church, Virginia
- Designed and implemented automated test equipment system
- Performed environmental testing of off the shelf components
Radio Repair and Installation Technician, January 1984 - July 1987
Fairfax Radio - Fairfax, VA
- Troubleshot and repaired 27MHz citizen band (CB) radios
- Installed CB radios into mobile and aerial vehicles
- Designed and developed 27MHz 50ohm antenna to sew in skin of hot air balloon