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Business Details
39 Years
experience
Engineering Services in Vienna, VA
Overlook Systems Technologies, Inc. is a specialized professional technical services and engineering firm established in 1987. We deliver timely, responsive, and cost-effective engineering, technical, and programmatic services to government and commercial clients. Our expertise spans all aspects of the Global Positioning System (GPS) and Positioning, Navigation, and Timing (PNT) technologies, including Electronic Warfare, Space and Information Operations, and Space Control. Our senior personnel lead GPS development, operations, and policy formulation. We maintain a proven track record of providing high-quality service on time and within budget for U.S. government departments and agencies across military, civil, and intelligence sectors.

Our core competencies include GPS policy and future architecture, system testing, technical training, GPS Control Segment operations, Navigation Warfare, and intergovernmental collaboration. We ensure transparency in service delivery and employee support standards. With headquarters in Virginia and offices in Colorado and California, we combine national reach with regional expertise. Our dedication to excellence has positioned us as a leading technical services provider in GPS and space systems. We continuously adapt to evolving technological and policy landscapes to meet client needs.
Services
GPS Technology PNT Systems Electronic Warfare Space Operations Technical Training
Details
  • Year established: 1987
Highlights and features
  • We have over 35 years of experience in GPS and space systems engineering
  • Our team leads GPS policy and modernization efforts for federal agencies
  • We provide end-to-end support for GPS Control Segment operations
  • Our experts shape national PNT strategy through interagency collaboration
  • Committed to transparent, high-quality service delivery since 1987
Services
GPS Technology
Specialized engineering services for GPS systems and Positioning, Navigation, and Timing (PNT) technologies. Our expertise includes GPS modernization, signal robustness analysis, and control system architecture. We support next-generation Military GPS User Equipment development and operational testing for defense and civil agencies.
Electronic Warfare
Comprehensive Navigation Warfare (NAVWAR) solutions addressing electromagnetic interference and signal vulnerability assessments. We develop countermeasures against intentional/unintentional GPS interference and implement secure communication protocols for defense applications across air, land, sea, and space domains.
Space Operations
Technical support for space-based PNT systems including satellite performance monitoring and ground control network modernization. Our engineers maintain the Operational Control System (OCS) while transitioning to next-generation OCX control networks for the U.S. Space Force's GPS III satellites.
Technical Training
Customized training programs for PNT policy implementation and system operations. We develop technical documentation and certification courses for military personnel, government officials, and industry partners on GPS modernization protocols and international navigation standards.
Policy Analysis
Expert consultation on national and international PNT policy frameworks. Our analysts shape DoD directives, NATO navigation doctrines, and federal radionavigation plans while facilitating interagency coordination between defense, civil, and commercial stakeholders.
People
Douglas S. Taggart
President
Over 30 years of leadership in GPS policy and space systems engineering. Directs strategic vision for Overlook's technical services and federal contractor relationships.
Timothy J. Roddy
Chief Financial Officer
Manages financial operations and corporate compliance. Ensures transparent budget execution across government contracts and international projects.
Jules G. McNeff
Vice President, Strategy and Programs
Develops business strategy and program management frameworks. Coordinates with defense agencies for NAVWAR capability integration and policy alignment.
Kent J. Hyatt
Corporate Technical and Analytical Officer
Leads technical innovation and analytical methodologies. Oversees engineering solutions for GPS modernization and space control systems development.
Questions
What industries do you serve?
We specialize in government and defense sectors, supporting Department of Defense agencies, NASA, and international partners with GPS and space systems expertise.
What technical certifications do your engineers hold?
Our team maintains current security clearances and specialized certifications in GPS operations, space systems engineering, and electromagnetic spectrum analysis.
How do you handle classified government work?
We follow strict federal protocols for secure facility access, data handling, and communication channels as required by defense contracts.
Can you support international clients?
Yes, we provide technical and policy support for NATO operations and multinational GPS interoperability standards development.
What career opportunities exist?
We seek experienced GPS engineers, space systems analysts, and technical writers with security clearances for positions in Virginia, Colorado, and California.