Derek Edmondson is a highly experienced Systems Engineer, currently serving as Principal II at Meteorcomm since May 2011, where responsibilities include supporting the deployment of the Nationwide Positive Train Control Radio Network, executing test measurements, troubleshooting GPS issues, and developing various technical tools. Prior experience includes roles as Principal Technologist at ManTech, Principal Technologist at WFI, and E-911 Systems Engineer at AT&T Mobility, among others, where Derek provided subject matter expertise, developed operational efficiencies, and oversaw complex engineering projects in RF engineering and network operations. Notable past positions also include Regional Test Manager at TruePosition and Senior Cellular Engineer at MacTel, showcasing a comprehensive career focused on telecommunications, RF systems, and regulatory affairs across multiple organizations.