Castellum, Inc Jobs in Reston, VA

Position Description & QualificationsIf you seek a rewarding, high profile and challenging position supporting projects for the US Navy- Serco has a terrific opportunity for you! Serco has an excitin...

Position Description & QualificationsWant to make a difference? Join a top-performing cadre of unsung heroes supporting our Sailors and Ships by orchestrating support for cutting-edge technology and s...

Position Description & QualificationsIf you are seeking a rewarding, high profile and challenging position supporting projects for the US Navy- Serco has a wonderful opportunity for you! Serco-NA has ...

Position Description & QualificationsLooking for a Sr. Quality & Mission Assurance Engineer at a place you can make an impact every day? Discover this great opportunity in our Orlando, FL location. Br...

Position Description & QualificationsAre you an Air Traffic Controller looking for a challenging and exciting career? Serco has a great opportunity for you located in Gig Harbor, WA! Serco is one of...

Position Description & QualificationsLooking for a System Administrator position at a place you can make a difference every day? Discover this great opportunity in our San Diego, CA location. Bring ...

Position Description & QualificationsSerco is excited to continue our support for the F-35 Joint Strike Fighter Program Office (JPO). This contract provides program management support in support of th...

Position Description & QualificationsIf you like high profile and challenging cloud system security work supporting the readiness of America's Navy ships, aircraft and expeditionary forces - Serco has...

GRAY WOLF SOLUTIONS, LLC INFORMATION REVIEW & RELEASE ANALYST – SENIOR TS/SCI and FS poly required ...

FEDITC, LLC is a fast-growing business supporting DoD and other intelligence agencies worldwide. FEDITC develops mission critical national security systems throughout the world directly supporting the...

REI Systems’ mission is to deliver reliable, innovative technology solutions that advance federal missions and exceed expectations. For 35+ years, REI has supported government organizations with techn...

Job Summary: DT Professionals is seeking a Secretary II to join our team in Port Hueneme, CA.. This role provides critical administrative and operational support to division leadership, ensuring effic...

Overview: Join our dynamic ITility team and put your skills and passion to work! We're looking for a Software Application Developer to support the modernization of critical Department of Defense (DoD)...

FEDITC, LLC is a fast-growing business supporting DoD and other intelligence agencies worldwide. FEDITC develops mission critical national security systems throughout the world directly supporting the...

DescriptionWould you like to be part of a team that is redefining the IT industry? Amazon Web Services (AWS) is leading the next paradigm shift in computing and the AWS Government Regions team is look...

DescriptionAmazon Leo is Amazon's initiative to provide fast, affordable broadband connectivity to unserved and underserved communities around the world through a constellation of low Earth orbit sate...

DescriptionThe Data Center Engineering Operations Technician (EOT) are Amazon's front line responders for hands-on electrical and mechanical equipment troubleshooting and operation. This equipment inc...

All Qualified candidates will be responded to in 24 hours or less Ability to obtain and maintain a U.S. government issued security clearance This effort is on-Site Employment type: Full Time w-2 or Co...

DescriptionDo you have a deep passion for utilizing technology to empower businesses? Would you like to have a career that supports customers and partners reach their outcomes faster and cheaper throu...

DescriptionApplication deadline: May 9, 2026Are you ready to build a new AWS service that will have a historic impact to own and operate a service that connects satellites to the cloud? If so, Amazon ...