25 security intern jobs at 19 companies in Maryland

1mo
Save
Mark Applied
Hide
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.
1mo
Save
Mark Applied
Hide
Building Security Guard
Boston or Hyde Park or Ohio or Delaware or New York or California or Colorado or Washington or Maryland or Connecticut or Illinois or Nevada or Kentucky or Michigan or New Jersey or Maine or Missouri or Massachusetts or Montana
$22-$26/hr OnsiteFull Time
Brink's
Brink'sNYSE: BCO: Provider of secure logistics and global cash management services.
Must be 21+, able to lift 50 lbs, perform data entry, obtain firearms permit or pass firearms licensing, obtain guard card or other required licenses, complete internal training, and work in a fast-paced branch environment.
2mo
Save
Mark Applied
Hide
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++
1mo
Save
Mark Applied
Hide
Security and Emergency Services Manager
Catonsville, Maryland, United States
$69k-$86k/yr OnsiteFull Time
Erickson Senior Living
Erickson Senior Living: Operates campus-style retirement communities with comprehensive senior care services.
3+ YOEMinimum 3 years public safety or emergency leadership experience (internal:2 years SES assistant manager). Must be 21+, valid driver's license, 1+ year emergency responder experience, Emergency Medical Responder cert, BLS/CPR, OSHA 10, Maryland security guard cert; professional security certs preferred.
1w
Save
Mark Applied
Hide
Internship | Public Safety – Corporate Security & Risk Management | 2026-2027
Towson, Maryland, United States
OnsiteInternship
Sheppard Pratt
Sheppard Pratt: Provides comprehensive mental health, education, and social services.
Undergraduate student in related field with interest in corporate security; must pass background and medical screenings; proficiency with Microsoft Office; strong communication, organization, and analytical skills.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, access control, video surveillance, incident reporting platforms
1w
Save
Mark Applied
Hide
Internship | Public Safety – Corporate Security & Risk Management | 2026-2027
Towson, Maryland, United States
OnsiteInternship
Sheppard Pratt
Sheppard Pratt: Provides comprehensive mental health and addiction treatment services.
Undergraduate student in a relevant field with university affiliation; complete background and medical screening; basic Microsoft Office proficiency; strong communication, organization, and attention to detail.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint
1mo
Save
Mark Applied
Hide
Student Veteran (College Internships) & LM Heroes (SkillBridge) 2026
Bethesda or Maryland or United States
$48k-$64k/yr OnsiteFull Time, Internship
Lockheed Martin
Lockheed MartinNYSE: LMT: Provides aerospace, defense, and security products and technology services.
Short-term technical assignments for students and veterans; may require eligibility for government security investigation. Membership in veteran student organizations and active clearance are desired.
1mo
Save
Mark Applied
Hide
International Acquisition and Engagement Specialist
Fort Meade, Maryland, United States
$130k-$145k/yr OnsiteFull Time
Acquisition Professionals LLC
Acquisition Professionals LLC: Provides professional acquisition and program management support services.
3+ YOEBachelor's degree, 3+ years in program and financial management, familiarity with international acquisition and security cooperation, PMP or Security Cooperation Workforce Level II, and proficiency with Microsoft Office.
Microsoft Office
1mo
Save
Mark Applied
Hide
International Acquisition and Engagements Specialist
Fort Meade, Maryland, United States
$100k-$150k/yr OnsiteFull Time
Bowhead
Bowhead: Provides diversified technical and professional services to federal government agencies.
3+ YOEBachelor's degree, 3+ years program/financial management experience, familiarity with international acquisition/security assistance, MS Office proficiency, and one of PMP/PgMP/PM SCW Level II.
Microsoft Office
1w
Save
Mark Applied
Hide
Loss Prevention Clerk
Frederick, Maryland, United States
OnsiteFull Time
Costco Wholesale
Costco WholesaleNASDAQ: COST: Operates membership-only warehouse clubs selling a variety of goods.
Protect company assets by monitoring warehouse safety and security, investigating/internal and external theft, detaining suspects, preparing reports, and cooperating with law enforcement.
Nettrack
1mo
Save
Mark Applied
Hide
International Oceans Liaison (SME II)
Silver Spring, Maryland, United States
$106k-$112k/yr RemoteFull Time
FedWriters
FedWriters: Professional writing, editing, and communications services for government agencies.
8+ YOEBachelor's degree in a technical or business discipline, ability to obtain a low-risk federal security clearance, 8+ years professional/academic experience; expertise in ocean observing systems, data management standards, international coordination, and technical writing.
1w
Save
Mark Applied
Hide
Senior Investigations Analyst
Pennsylvania or Maryland or Washington or North Carolina or Louisiana or Kentucky or Kansas or Indiana or Illinois or Georgia or Iowa or Florida or Colorado or California or Delaware or Connecticut or Arkansas or Arizona or Alabama or Alaska or Nevada or Vermont or Tennessee or Idaho or Oklahoma or Hawaii or Mississippi or Utah or New Hampshire or New Mexico or Wyoming or North Dakota or South Dakota or Rhode Island or West Virginia or Montana or Texas or District of Columbia or Ohio or New Jersey or Oregon or South Carolina or Missouri or Virginia or Massachusetts or Nebraska or Minnesota or Michigan or Wisconsin or New York or Maine
$68k-$106k/yr HybridFull Time
Highmark Health
Highmark Health: Provides health insurance and integrated medical care services.
5+ YOEConduct internal investigations into fraud, privacy and security incidents; perform risk assessments; audit support; 5+ years related experience; Bachelor's in accounting/finance/business/IS required.
1mo
Save
Mark Applied
Hide
Foreign Disclosure Analyst, Journeyman
Lexington Park, Maryland, United States
$80k-$120k/yr OnsiteFull Time
Vector CSP
Vector CSP: Provides engineering, logistics, and program management services for government.
3+ YOEBA/BS degree, 3+ years performing foreign disclosure/technology transfer duties, knowledge of U.S. government technology transfer policy, export licensing, and international program security.
1mo
Save
Mark Applied
Hide
Sr. Contracts Specialist
Hunt Valley, Maryland, United States
$88k-$133k/yr OnsiteFull Time
Textron
TextronNYSE: TXT: Manufactures aircraft, defense systems, and industrial specialized vehicles.
5+ YOEBA/BS required; 5+ years managing federal, commercial and international contracts; knowledge of FAR/DFAR, ITAR/EAR; ability to obtain security clearance; travel domestically/internationally; PC proficiency.
1mo
Save
Mark Applied
Hide
In-Residence Course Coordinator - HSCET
Bethesda, Maryland, United States
$68k-$98k/yr HybridFull Time
The Henry M. Jackson Foundation for the Advancement of Military Medicine
The Henry M. Jackson Foundation for the Advancement of Military Medicine: Administers and supports military medical research programs.
6+ YOEBachelor's degree and 6+ years experience; coordinates in-residence training for international military students, enforces security cooperation regulations, manages logistics and budgets, and must obtain T1 Public Trust clearance.
4d
Save
Mark Applied
Hide
F-35 JPO Foreign Disclosure Support Specialist - PAX River
Patuxent River, Maryland, United States
$128k-$173k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
10+ YOEMaster's degree or Bachelor's plus four years,10+ years foreign disclosure/international security experience,knowledge of NDP and FMS procedures,experience with FDO functions,Top Secret clearance required.
1w
Save
Mark Applied
Hide
Director, Business Development, Sales and Strategy (40173)
Virginia or Melbourne or Orlando or Tampa or Londonderry or California or Seattle or Washington or Maryland or Denver or New York City or Hawaii or Illinois or Minnesota or Cleveland or Vermont
RemoteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
13+ YOE15+ years related experience (or 13 with graduate degree, or 19 without degree), strong DoD and international acquisition knowledge, executive communication, capture and sales leadership, ability to obtain US security clearance.
Federal Procurement Data System (FPDS), FedBizOps, GovWinIQ, Avascent Analytics, DACIS, IHS Janes, Bloomberg Government
3w
Save
Mark Applied
Hide
SkillBridge - Field Service Representative
Clarksburg, Maryland, United States
FieldTemporary
Forterra
Forterra: Develops autonomous ground vehicle systems and software for defense.
SkillBridge-eligible interns with hands-on mechanical/electronic troubleshooting experience, clear communication, strong documentation, ability to work independently, and ability to travel up to 75% including internationally; security-clearance eligibility may be required.
2mo
Save
Mark Applied
Hide
Reverse Engineer / Malware Analyst - FUTURE NEED
Linthicum Heights, Maryland, United States
$43-$79/hr OnsiteFull Time
Cipher Tech Solutions
Cipher Tech Solutions: Develops software for digital forensics and malware analysis.
US citizen required; bachelor's in CS/ECE/Math (or near-graduate); advanced experience in software reverse engineering and/or development; fluency with x86/x64 assembly, C/C++; experience with IDA Pro/Ghidra and debuggers; Windows internals; strong communication skills; security clearance required.
IDA Pro, Ghidra, C, C++, x86, x64, Windows, Linux, macOS
2mo
Save
Mark Applied
Hide
Check out this job at Deloitte, Procure to Pay Analyst
Prince George's County, Maryland, United States
$55k-$100k/yr OnsiteFull Time
Deloitte
Deloitte: Provides professional audit, consulting, advisory, and tax services.
1+ YOEBachelor's degree required, active Secret security clearance, legally authorized to work in the US without sponsorship, 1+ years supporting audit readiness/internal controls or control testing, experience with SharePoint and Excel, strong communication and project skills, ability to work onsite in Prince George's County, MD.
Microsoft SharePoint, Microsoft Excel