The tech job index
Security jobs at defense technology companies
Explore live security jobs at companies classified in defense technology, grouped by employer.
GDIT
GDIT is a global technology and professional services company delivering mission-ready solutions to U.S. government, defense, and intelligence agencies. With 26,000 experts across 50+ countries, GDIT specializes in AI, cloud, cyber, and sof
government contracting · defense technology · 1,000+ employees
Leidos
Leidos is a global technology and engineering company serving government and commercial customers with digital and mission innovations across defense, intelligence, health, and infrastructure. Headquartered in Reston, Virginia, with 47,000
defense technology · artificial intelligence · 1,000+ employees
AeroVironment
AeroVironment is a defense technology company that delivers mission-critical capabilities across air, land, sea, space, and cyber domains, including unmanned systems, directed energy, counter-UAS, and intelligence/surveillance/reconnaissanc
unmanned systems · directed energy weapons · 1,000+ employees
Booz Allen Hamilton
Booz Allen Hamilton is an advanced technology company delivering outcomes for America's defense, civil, and national security priorities. The firm builds technology solutions using AI, cyber, and cutting-edge technologies to advance and pro
defense technology · artificial intelligence · 1,000+ employees
True Anomaly
True Anomaly is a defense technology company focused exclusively on space defense, designing and building autonomous spacecraft, advanced payloads, mission software, and space-based interceptors for space superiority. The company delivers d
autonomous spacecraft · space-based interceptors · 201–1,000 employees
Agile Defense
Agile Defense is a national security and defense contractor specializing in digital transformation, data analytics, and cyber operations for critical government missions. The company delivers advanced capabilities and solutions to support n
government contracting · national security · 201–1,000 employees
Dark Wolf
Dark Wolf is a mission-focused technology company delivering cyber-centric engineering, software delivery, cloud, data & AI, and mission enablement capabilities for defense, intelligence, and commercial customers. The company operates throu
cybersecurity · data protection · 201–1,000 employees
AMERICAN SYSTEMS
AMERICAN SYSTEMS is an employee-owned government services contractor delivering IT and engineering solutions to complex national priority programs since 1975. Based in McLean, Virginia, the company specializes in MERGE, information technolo
government contractor · IT solutions · 1,000+ employees
LMI
LMI is a government consulting and advanced technology solutions firm serving defense, homeland security, intelligence, space, and health sectors. The company develops AI-enabled platforms and rapid engineering solutions for mission-critica
AI-enabled delivery · rapid platform engineering
Two Six Technologies
Two Six Technologies builds and deploys innovative cybersecurity, reverse engineering, and information operations products for US Department of Defense, Department of Homeland Security, and international partners. The company specializes in
cybersecurity research · hardware reverse engineering · 201–1,000 employees
Cubic
Cubic creates and delivers technology solutions in transportation that simplify daily journeys and defense capabilities that promote mission success and safety for those who serve their nation. With a top-tier portfolio including Cubic Tran
defense technology · transportation systems · 1,000+ employees
Ultra I&C
Ultra I&C delivers crypto solutions, mission software, and tactical communications for defense forces and allied partners worldwide. The company's AI-enabled platforms secure, move, and make sense of data across all domains, powering decisi
tactical communications · command and control · 1,000+ employees
Voyager Technologies
Voyager Technologies is an innovative defense, space, and national security technology company delivering mission-critical systems including precision propulsion, energetics, advanced electronics, and spectrum dominance capabilities. The co
solid-fuel propulsion · electric propulsion · 1,000+ employees
Anduril Industries
Anduril Industries is a defense technology company transforming U.S. and allied military capabilities through advanced autonomy, AI, computer vision, and sensor fusion. The company develops Lattice OS, an AI-powered operating system for com
defense technology · Lattice OS · 1,000+ employees
Metrea
Metrea is the originator and leading provider of effects-as-a-service to national security partners across multiple domains and over a dozen mission areas, including airborne ISR, electronic warfare, secure communications, aerial refueling,
effects-as-a-service · national security
Swarm Aero
Swarm Aero designs and manufactures autonomous swarming UAVs and command-and-control software for defense and security operations. The company builds the largest swarming UAV platforms and heterogeneous aircraft networks, with expertise in
autonomous UAV swarms · swarming aircraft networks · 51–200 employees