115 security intern jobs at 78 companies in Manassas, VA

2mo
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GDI Information Security Analyst Intern - OVIP
Reston or Austin or United States
$18-$35/hr OnsiteFull Time, Internship
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
3+ YOEInternship focusing on cybersecurity and information security with ability to obtain US security clearance.
Firewall, Intrusion Detection Systems, Antivirus, Authentication, Log Management, Content Filtering
1w
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Information Security Engineer Intern
McLean, Virginia, United States
OnsiteInternship
Appian
AppianNASDAQ: APPN: Provides a low-code platform for enterprise-grade process automation.
Currently pursuing a BS/MS in a STEM field, available full-time for a 10-week summer internship, returning to school after Summer 2027; demonstrated AI/LLM fluency; strong security interest and technical aptitude.
AI, LLMs
1w
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International Security Team Lead
Arlington, Virginia, United States
$110k-$170k/yr OnsiteFull Time
American Systems
American Systems: Providing strategic engineering and IT solutions for government programs.
10+ YOEExperience supporting SAP/SCI environments, ability to lead international security operations, develop procedures and reports, coordinate stakeholders; Master's+10yrs or Bachelor's+14yrs and active Top Secret clearance with SCI eligibility required.
1w
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Security Specialist - International Lead
Arlington, Virginia, United States
$110k-$170k/yr OnsiteFull Time
American Systems
American Systems: Providing engineering and IT solutions to federal government agencies.
10+ YOETop Secret/SCI clearance, 10+ years relevant experience with SAP/SCI environments or 14+ years with a bachelor's; knowledge of DoDM 5205.07 and ICD 705; ability to coordinate international security, prepare briefings and procedures.
3w
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Sr Security Engineer
Washington or United States
OnsiteFull Time
Constellis
Constellis: Provides private security, tactical training, and risk management services.
3+ YOE3+ years IT engineering experience, 5+ years incident response preferred. Ability to obtain Top Secret clearance. CISSP preferred. Knowledge of OS internals, endpoint security, APT/TTPs, and incident response tools.
SOAR, SIEM, EDR, Microsoft Excel
1mo
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Intern – Space Software Engineering, National Security Space
Chantilly, Virginia, United States
OnsiteInternship
Redwire
RedwireNYSE: RDW: Manufactures infrastructure and hardware components for diverse space missions.
Currently enrolled in a Bachelor's, Master's, or Ph.D. in a relevant discipline; US work authorization per ITAR; willingness to work on a ~10-week, hands-on internship; background check required; strong teamwork and academic record.
1mo
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Intern to Entry Level Conversion – Business Functions (All) (Summer 2026 Intern Program)
Everett or Saint Charles or Portland or Charleston or Oklahoma City or Berkeley or Miami or Huntington Beach or Hazelwood or Germantown or El Segundo or China Lake or Arlington or Ridley Park or Tukwila or North Charleston or Kennedy Space Center or Fairfax or Houston or Colorado Springs or Chicago or Long Beach or Renton or Dallas or Seattle or Auburn or Philadelphia or San Antonio or Kent or Mesa
$50k-$174k/yr HybridFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Enrolled college student with graduation before August 2027; previous Boeing internship required. US Person required; some roles may require ability to obtain security clearance. Employer will not sponsor visas.
3w
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Aerospace/Mechanical Engineering Intern
Washington, District of Columbia, United States
OnsiteFull Time
Technology Service Corporation
Technology Service Corporation: Develops advanced sensor systems and engineering solutions for defense.
Enrolled in accredited university pursuing Mechanical or Aerospace Engineering or related, U.S. citizenship required, ability to obtain DoD security clearance, good academic standing.
2w
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R&D Engineer Intern
State College or Reston
HybridPart Time, Internship
Penn State University
Penn State University: Provides higher education and conducts extensive academic research programs.
Undergraduate student studying engineering or related field with proficiency in Linux and programming (C, Python, bash, PowerShell); strong communication and teamwork; eligible for U.S. government security clearance.
Linux, C, Python, bash, PowerShell, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
5d
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Strategic Relations Intern
Washington, District of Columbia, United States
$20/hr OnsitePart Time
Metrea
Metrea: Provider of effects-as-a-service to global national security partners.
Undergraduate or master's enrollment in relevant field, interest/experience in national security, strong writing, attention to detail, availability 24–30 hrs/week in-person, legal right to work in the U.S.
3w
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Physical Security Specialist II
Rosslyn, Virginia, United States
$108k-$115k/yr OnsiteFull Time
Cherokee Federal
Cherokee Federal: Provides specialized professional and technical services to federal government agencies.
Active Secret clearance required with ability to obtain Top Secret/TS/SCI; expert knowledge of physical security policy and standards; strong written and oral briefing skills; able to travel, including long international trips and high-threat environments.
1d
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Cyber Security Internship Program - Summer 2027
McLean or Plano
$127k-$140k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
Currently pursuing a bachelor’s or higher, completion by Aug 2028; must be located in continental US; no visa sponsorship; coursework/knowledge in cybersecurity, networks, forensics, OS, and basic programming.
Java, Python, C#, C/C++, JSON, SQL, PL/SQL, Shell scripts, Windows, macOS, Linux, NIST Cybersecurity Framework, MITRE ATT&CK
1w
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International Security Specialist - Senior
Crystal City, Virginia, United States
$65k-$95k/yr OnsiteFull Time
Serco
SercoLondon Stock Exchange: SRP: Provides professional outsourcing services to governments worldwide.
10+ YOEU.S. citizenship, Bachelor’s degree (Master’s preferred), 10+ years security experience (DoD/program security preferred), ability to obtain/maintain Top Secret clearance, SAP eligibility preferred, strong communication and organizational skills.
3w
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Research Internship, Technology and National Security, Fall 2026
Washington, District of Columbia, United States
HybridInternship, Part Time
Hudson Institute
Hudson Institute: A think tank conducting research on global policy and security.
Current student or recent graduate in political science, international relations, economics, security/technology studies; strong research, writing, editing and analysis skills; proficiency with Microsoft Office; able to work minimum 20 hours/week; interest in defense and China policy.
Microsoft Office
18h
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Technology Security and Foreign Disclosure SME
Washington Navy Yard, District of Columbia, United States
$130k-$190k/yr HybridFull Time
Systems Planning and Analysis
Systems Planning and Analysis: Provides technical and analytical support to national security agencies.
5+ YOEMinimum 5 years FDO/Deputy FDO/TSFD experience; active SECRET-level Department of War clearance; experience with foreign visit requests, disclosure reviews, and international agreements; advanced degree or security/international affairs certification preferred.
2mo
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Software / Hardware Engineering - Intern
Annapolis Junction, Maryland, United States
OnsiteFull Time, Internship
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
Enrolled in a STEM Bachelor's or Master's program, experience with software programming or hardware logic circuits, ability to obtain and maintain a U.S. government security clearance, submit transcript with GPA and projected graduation date.
Python, C++
2w
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Research Intern, Center for Peace and Security in the Middle East, Fall 2026
Washington, District of Columbia, United States
OnsiteInternship
Hudson Institute
Hudson Institute: Conducts public policy research and analysis to shape global policy.
Support Middle East research with data gathering, writing, editing, and administrative tasks; must be a current student or recent graduate with strong research and writing skills.
1mo
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Aviation Security Specialist (Cyber and Counter-UAS)
McLean, Virginia, United States
$98k-$140k/yr OnsiteFull Time
Air Line Pilots Association
Air Line Pilots Association: Provides labor representation and safety advocacy for airline pilots
3+ YOEBachelor's in cybersecurity or related (or equivalent experience),3 years' aviation cybersecurity and/or counter-UAS experience,knowledge of U.S./Canadian civil aviation preferred,strong technical writing and communication skills,experience with federal/international aviation committees preferred.
Microsoft Word, Microsoft Outlook, Microsoft Excel, Microsoft PowerPoint
1w
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E01-J01 Senior Program Protection & Technology Security Foreign Disclosure SME
Arlington, Virginia, United States
$180k-$225k/yr OnsiteFull Time
Aether Aerospace
Aether Aerospace: Defense technology platform providing engineering and manufacturing solutions.
12+ YOEActive Top Secret/SCI clearance, minimum 12 years program protection experience, expertise in acquisition security, foreign disclosure, threat and vulnerability assessments, and international collaboration frameworks.
1mo
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International Organizations Research Fall 2026 Internship
Washington, District of Columbia, United States
HybridInternship, Part Time
Foundation for Defense of Democracies
Foundation for Defense of Democracies: Provides research and analysis on national security issues.
Minimum 3.2 GPA, relevant coursework (international relations, security studies, history, communications, journalism, international economics, political science, computer science or STEM), Microsoft Office/Word and basic Excel, strong writing and research, 22+ hrs/week, eligible to work in the US.
Microsoft Office, Microsoft Word, Microsoft Excel