Sentinel Aerospace & Defense Group delivers mission-critical systems integration, electronic warfare, C5ISR architecture, and cyber operations support for the U.S. Department of Defense and allied agencies worldwide.
Incorporated in 2003 and headquartered in Falls Church, Virginia, Sentinel Aerospace & Defense Group has grown from a specialized systems engineering firm into a full-spectrum defense solutions provider supporting some of the U.S. military's most demanding programs.
We operate under a Facility Security Clearance at the TOP SECRET level with TS/SCI-cleared personnel across all major program areas. Offices in San Diego, Huntsville, and Dayton keep our teams embedded alongside the commands they serve.
Sentinel is an equal opportunity employer and proud DoD SkillBridge partner — offering transitioning servicemembers a direct pathway into defense careers. Over 40% of our workforce are veterans or currently transitioning.
End-to-end defense solutions across the full DoD acquisition lifecycle — from Milestone A through full-rate production, deployment, and lifecycle sustainment. Sentinel engineers are embedded with PEOs, program offices, and operational commands.
Design, integration, and test of airborne and shipboard EW systems including EA/ES suites, directed energy countermeasures, and RF spectrum management for multi-domain operations. Sentinel's EW team supports programs across NAVAIR, AFMC, and special operations commands.
End-to-end C5ISR systems design supporting JADC2 imperatives. Capabilities span sensor fusion, tactical data links, SATCOM integration, and multi-domain command node architecture across air, land, maritime, and space domains.
Interceptor integration, fire control, and ground-based midcourse defense support. Sentinel engineers support BMDS and theater missile defense architectures across all mission phases from requirements through operational test.
SIGINT/GEOINT analytical support, cyber threat intelligence platforms, and OCO/DCO training support for U.S. Cyber Command, NSA, and defense intelligence community customers. RMF A&A support across classified networks.
Ground control station development, space situational awareness, and launch vehicle payload support for USSF, NRO, and allied space programs. On-orbit anomaly resolution, command & control software, and SSA data fusion.
Systems engineering, T&E, LCCE, and acquisition lifecycle management from Milestone A through full-rate production. Sentinel supports PEOs and program offices across services with DAWIA-qualified program management and systems engineering professionals.
Sentinel holds multiple IDIQ and GWAC vehicles enabling expedited task order award across civilian and defense agencies. Contact our contracts team to discuss vehicle on-ramp and teaming opportunities.
Sentinel is an equal opportunity employer. We actively recruit veterans and transitioning servicemembers. Most positions require an active U.S. security clearance.
Do not submit classified, CUI, or sensitive information through this form. For classified inquiries, contact your Sentinel program manager directly through secure channels.