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Defense Contractors
Defense Contractors
This is by no means an exhaustive list of defense contractors. Defense contractors cover a wide variety of sectors and careers, from military tech to health and human services. Listed below are some of the most prevalent defense contractors. Be aware that many defense contractor positions require at a minimum the ability to gain a U.S. Security Clearance, meaning you need to be a U.S. citizen to work for them.
This is by no means an exhaustive list of defense contractors. Defense contractors cover a wide variety of sectors and careers, from military tech to health and human services. Listed below are some of the most prevalent defense contractors. Be aware that many defense contractor positions require at a minimum the ability to gain a U.S. Security Clearance, meaning you need to be a U.S. citizen to work for them.
Amentum is an American government and commercial services contractor based in Germantown, Maryland. The company does work across a variety of sectors including intelligence and national security, environment and climate sustainability, and health and humanitarian efforts. Amentum offers internship opportunities in engineering, computer science, finance, biology and chemistry, marketing, legal and public relations, and more.
Booz Allen Hamilton is an American government and military contractor specializing in intelligence. It is headquartered in McLean, Virginia, just outside of Washington, D.C. They are currently focused on cybersecurity, analytics, digital transformation, and space defense.
CACI, Computer and Information Technology Company, is an American multinational professional services and information technology company headquartered in Northern Virginia. CACI's sectors include engineering, intelligence, language services, IT, security, and business development among others. They have offices across the United States, International, and offer some remote positions.
They are currently offering internships for Summer 2026.
ECS is headquartered in Fairfax, Virginia. They do work in the technology, science, and engineering sector. They are focused on cloud, cybersecurity, artificial intelligence, data, and enterprise transformation solutions.
In-Q-Tel (IQT), formerly Peleus and In-Q-It, is an American not-for-profit venture capital firm based in Arlington, Virginia. It invests in companies to keep the Central Intelligence Agency, and other intelligence agencies, equipped with the latest in information technology in support of United States intelligence capability.
Jacobs is an American defense contractor. They offer positions in defense and security, intelligence, technology and cyber solutions, and federal and environment solutions.
The Lockheed Martin Corporation is an American aerospace, arms, defense, information security, and technology corporation with worldwide interests. Lockheed Martin is one of the largest companies in the aerospace, military support, security, and technologies industry.
Internships for Summer 2026 are currently open for various engineering positions.
Leidos, formerly known as Science Applications International Corporation, is an American defense, aviation, information technology, and biomedical research company. They offer internships and positions for recent graduates.
Internships and new graduate positions are currently open.
L3Harris Technologies is an American technology company, defense contractor, and information technology service provider. They offer internships and positions targeted at recent graduates in various areas, but primarily in engineering.
Northrop Grumman is an American multinational aerospace and defense tech company. Their focus areas include: advanced weapons, aircraft, missile defense, mission solutions, and space. They offer internships primarily in engineering
Peraton is an national security and technology company. Its service areas include, space, intelligence, cyber, defense, homeland security, citizen security, and health. Peraton offers internships and career opportunities targeted at recent graduates, primarily in engineering.
Praescient Analytics is a company of analysts and engineers who work with partners across the public and private sectors. They do global defense work, intelligence work, cyber analytics, legal analysis and more.
RTX is made up of three businesses: Collins Aerospace, Pratt & Whitney, and Raytheon. They work on flight systems and defense systems. Collins Aerospace covers industries from commercial aviation to military & defense to airports. Pratt & Whitney focuses on aircraft engines and auxiliary power units. Raytheon focuses on various defense capabilities, from IAD and SMDs to sea and space. They have internships and jobs available for engineering positions as well as in their corporate offices.
Science Applications International Corporation (SAIC) provides mission support and information technology services. SAIC has career opportunities across a variety of sectors including cyber, software, space, and analytics. They offer internships and positions targeted at recent graduates.
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