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70 Defense & Security companies

Explore companies in Defense & Security on Cybersecurity Jobs List.

70 companies
SI
1 job

SimIS

SimIS is a veteran-owned IT firm specializing in cybersecurity, information assurance, and autonomous platform development for U.S. defense and government agenc…

Ardent MC logoAM
4 jobs

Ardent MC

Ardent MC provides security technology, cloud infrastructure, and data science solutions to federal agencies and public-sector defense missions.

DroneShield logoDR
1 job

DroneShield

Australian counter-UAS company providing RF sensing, AI/ML, and electronic warfare solutions to detect and neutralize drone threats for military, government, an…

JR
1 job

JRC

JRC is a defense engineering firm specializing in radiation-hardened semiconductor technology and aerospace systems engineering for critical military and govern…

Vannevar Labs logoVL

Vannevar Labs

Vannevar Labs builds agentic AI systems for national defense and intelligence, delivering information dominance and decision advantage through mission-trained A…

Leonardo DRS, Inc. logoLD

Leonardo DRS, Inc.

Leonardo DRS is a leading defense technology provider that develops advanced sensing, network computing, and force protection solutions for the U.S. military an…

TeamWorx Security logoTS
1 job

TeamWorx Security

TeamWorx Security builds AI-powered platforms that help security teams coordinate incident response, malware detection, and threat analysis across distributed e…

Second Front Systems logoSF
1 job

Second Front Systems

Second Front Systems is a public-benefit software company that builds DevSecOps tooling to accelerate government and defense software deployment, automating Fed…

Accelint logoAC
1 job

Accelint

Accelint delivers AI, autonomy, and mission systems for defense environments, building autonomous platforms, command-and-control systems, and training solutions…

ICI Services logoIS
3 jobs

ICI Services

ICI Services Corporation is an employee-owned company providing engineering, logistics, and technical services to U.S. military and homeland security agencies,…

Sierra Space logoSS

Sierra Space

Sierra Space is a defense tech company building satellite platforms, reusable spaceplanes, hypersonic technologies, and space infrastructure for U.S. national s…

Arlo Solutions logoAS
3 jobs

Arlo Solutions

Arlo Solutions is a DC-based professional services firm delivering cybersecurity, program management, and strategic communications to U.S. defense and intellige…

Orbis logoOR
1 job

Orbis

ORBIS is a veteran-owned engineering solutions company providing technical services, automated test systems, and program management support to the Department of…

Delta Defense logoDD
1 job

Delta Defense

Delta Defense operates the backend for the USCCA, managing marketing, customer care, and insurance operations for over 850,000 members across all 50 states.

QinetiQ Limited logoQL
1 job

QinetiQ Limited

QinetiQ is a British defence technology company providing technologically advanced services and products to defence, security and critical national infrastructu…

PeopleTec, Inc. logoPI
1 job

PeopleTec, Inc.

PeopleTec is an employee-owned defense contractor providing cybersecurity, AI/ML, hypersonics, and mission operations services to the Department of Defense and…

K2 Group, Inc. logoKG
1 job

K2 Group, Inc.

K2 Group provides cybersecurity, intelligence analysis, and forward-deployed mission support for national security and critical infrastructure protection.

Belay Technologies logoBT

Belay Technologies

Belay Technologies is a veteran-owned small business delivering software development, CNO, AI, and engineering services to the Department of Defense and commerc…

EMW, Inc. logoEI
2 jobs

EMW, Inc.

EMW is a global systems integration company providing lifecycle engineering, cybersecurity, and infrastructure support services to defense and government client…

Applied Research Solutions logoAR
1 job

Applied Research Solutions

Applied Research Solutions provides cleared defense contractors and subject matter experts to the DoD and Intelligence Community, specializing in machine learni…