The U.S. aerospace and defense industry is a powerhouse for national security, offering some of the most impactful and rewarding career opportunities for those with security clearances. Whether you’re looking to work on cutting-edge military technologies or contribute to the protection of critical infrastructure, these 10 companies are leaders in the defense space and are actively seeking skilled professionals with security clearances.
Top 10 Aerospace & Defense Contractors
The U.S. defense sector is booming, with key contractors offering exciting opportunities for professionals in national security. Here’s a breakdown of the top 10 defense contractors, that investors have ranked by defense revenue. Check them out to see if they line up with your career path.
1. Lockheed Martin
Lockheed Martin, leading with $64.7 billion in defense revenue, dominates the aerospace and defense industry. With flagship programs like the F-35 Lightning II fighter jet and advanced hypersonic weapons, Lockheed continues to lead in innovation. Cleared professionals can find exciting opportunities in aerospace, space exploration, and cybersecurity at one of the industry’s top contractors.
2. RTX (Raytheon Technologies)
RTX, formerly Raytheon, generates $40.6 billion in defense revenue, specializing in missile systems, sensors, and integrated defense solutions. With major projects like hypersonic weapons and advanced air defense systems, RTX is a top choice for cleared professionals interested in missile defense and next-gen defense technologies.
3. Northrop Grumman
Northrop Grumman is at the cutting edge of aerospace and defense, generating $35.2 billion in defense revenue. Known for its work on nuclear modernization, the B-21 Raider stealth bomber, and space systems, Northrop offers numerous opportunities for cleared professionals in missile defense, aerospace engineering, and cybersecurity.
4. General Dynamics
With $33.7 billion in defense revenue, General Dynamics is a major player in shipbuilding, combat vehicles, and IT services. Its submarine and Gulfstream aerospace divisions provide stable opportunities for cleared professionals, particularly in naval defense, systems integration, and IT solutions.
5. Boeing
Boeing’s defense segment, contributing $32.7 billion in revenue, focuses on military aircraft, satellite systems, and missile defense. Despite challenges in its commercial segment, Boeing’s defense arm continues to drive innovation. It’s a top destination for cleared professionals in aerospace engineering, satellite systems, and military systems.
6. L3Harris Technologies
L3Harris, with $15.6 billion in defense revenue, excels in communications systems, tactical radios, and advanced jamming technologies. The company is a key player in providing critical solutions to the U.S. military, making it a great employer for cleared professionals interested in space systems, communications, and defense electronics.
7. HII (Huntington Ingalls Industries)
HII, generating $11.4 billion in defense revenue, leads in shipbuilding and naval technologies. As the sole builder of U.S. Navy aircraft carriers and a major supplier of nuclear-powered submarines, HII presents excellent opportunities for cleared professionals in engineering, naval defense, and cybersecurity.
8. Leidos
With $11.1 billion in defense revenue, Leidos specializes in IT solutions, cybersecurity, and data analytics. It plays a crucial role in mission-critical systems for the DoD and federal agencies. Leidos is a great fit for cleared professionals focused on cybersecurity and autonomous systems, with key contracts like the Advanced Battle Management System (ABMS) boosting its growth potential.
9. Booz Allen Hamilton
Booz Allen Hamilton generates $6.8 billion in defense-related revenue, offering advanced technology and consulting services to the DoD. Known for its work in artificial intelligence (AI) and cybersecurity, the company provides numerous opportunities for cleared professionals looking to work on cutting-edge defense challenges.
10. Amentum
With $5.7 billion in defense revenue, Amentum provides engineering and technical services to the Department of Defense (DoD) and federal agencies. The company’s focus on logistics, cybersecurity, and nuclear operations makes it a strong contender for cleared professionals with expertise in these high-demand areas.
Why These Companies Are Ideal
These 10 defense contractors offer prime career opportunities for those with security clearances. They’re also highly attractive to investors due to their growth potential and strategic importance in national defense. With defense spending on the rise, these companies are poised for continued success and offer high-impact roles in everything from aerospace engineering to cybersecurity. If you’re looking to grow your career in national security, these contractors are excellent places to start. As the demand for advanced defense technologies continues to grow, the need for security-cleared professionals will only increase.
