53 software engineering intern jobs at 31 companies in Manassas Park, VA

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Software Engineering Intern
Annapolis Junction, Maryland, United States
OnsiteInternship
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
0+ YOEStudent pursuing a Bachelor's in CS/Software Engineering; interest in VR, OO programming; able to learn and work in a team.
Message Queues, DDS, REST, Networking, Data Modeling, Storage, Software Libraries
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++
5d
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Summer 2027 Software Engineering Intern
Washington, District of Columbia, United States
$25/hr OnsiteInternship, Full Time
The Nuclear Company
The Nuclear Company: Deploys standardized nuclear reactors for utility-scale energy generation.
0+ YOECurrently enrolled in a relevant technical BS program, with programming experience in a modern language and shipped software projects. Must be a U.S. Person and work onsite in Washington, DC.
Nuclear Operating System (NOS), Python, TypeScript, Java, Go, Rust, C++, OpenAI, Anthropic, Palantir Foundry, Amazon Web Services (AWS), AWS GovCloud
2mo
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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.
6d
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NextGen Engineering Intern
Sparks Glencoe, Maryland, United States
$20/hr OnsiteMultiple Commitments Available
Kelly Benefits
Kelly Benefits: Provides benefits administration, payroll, and insurance brokerage services.
Rising junior or senior pursuing a bachelor's degree in a relevant field; familiarity with AWS, programming languages, RESTful APIs, web development, Git, and software design principles.
AWS, Lambda, Amazon S3, Amazon EC2, DynamoDB, Amazon RDS, Amazon API Gateway, Python, C#, .NET, Node.js, JavaScript, TypeScript, SQL, Git, NIST 800-53
2w
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Software Engineering Intern
McLean, Virginia, United States
$50/hr OnsiteFull Time, Internship
Appian
AppianNASDAQ: APPN: Provides a low-code platform for enterprise-grade process automation.
Currently pursuing a Bachelors or Masters in Computer Science or Computer Engineering; full-time 40hr/week availability for a 10-week summer internship; strong AI/LLM fluency and foundational CS knowledge.
AI, LLMs, Appian
1d
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Cyber Engineering Intern
Arlington, Virginia, United States
$95k-$120k/yr OnsiteFull Time
Zetier: A technology developing cyber capabilities and low-level software systems.
Familiarity with C/C++, Python, OS kernel drivers, and cyber engineering; effective communication; ability to obtain and maintain a U.S. security clearance.
C, C++, Python, Ghidra, IDA Pro, gdb, 802.11ac, Zigbee, GSM, SATCOM, SDN, UHF/VHF, 5G, POSIX, WIN32 API, uBoot, IoT, x86, x64, ARM, AES-GCM, ECDSA, git, svn, mercurial, Android, iOS
2d
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Engineering Return Internship Program (CIS)
Aldie or Boydton or Tysons or Richmond or Caroline County or Ruther Glen or Manassas or Leesburg or Baltimore or Riverdale or Atlanta
$18-$28/hr FieldFull Time, Internship
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
Previously interned with M.C. Dean; currently enrolled in a bachelor's degree or higher in engineering or a similar discipline; able to travel reliably to offices and project locations.
software, keyboard
2mo
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2027 Software Engineer Intern
Costa Mesa or Irvine or Atlanta or Seattle or Boston or Reston
$45-$50/yr OnsiteInternship, Full Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a Bachelor\u0002s in CS or related field, rising senior returning to school, proficiency in C++, Go, Rust, Java, or Python, familiarity with algorithms, data structures, cloud and front-end concepts, and U.S. Person status required.
C++, Go, Rust, Java, Python, Lattice OS
2mo
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Software Engineer Intern - Chantilly, VA
Chantilly, Virginia, United States
$30-$38/hr OnsiteInternship
ICR
ICR: Independent technology and consulting firm.
0+ YOEBachelor's in CS/CE/EE; proficient in Python, Java, HTML, JavaScript; Windows/Linux API knowledge; client/server experience; strong problem solving and communication; self-motivated team player.
Python, Java, HTML, JavaScript, Git, Jenkins, Windows API, Linux API
5d
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Propulsion Engineering Internship - Spring 2027
El Segundo or Los Angeles or Washington or Huntsville
$33/hr OnsiteFull Time, Internship
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
Pursuing an engineering bachelor's or master's degree with relevant propulsion coursework, fluids fundamentals, hands-on fluid-system experience, engineering software familiarity, and exposure to pressurized or combustion systems.
NX, Teamcenter, GD&T, MATLAB, Python
1d
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Cybersecurity Software Intern Engineer
Manassas, Virginia, United States
OnsiteInternship
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
Enrollment in an accredited engineering or technical degree program, preferably sophomore standing or higher; U.S. citizenship and Secret clearance required.
AI
1w
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Summer 2027 Software Developer Internship
Annapolis Junction, Maryland, United States
$26-$35/hr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
0+ YOEUndergraduate computer science/engineering students (≥2 years) or strong candidates with CS coursework; proficiency in Python, Java, C/C++, Rust, JavaScript/TypeScript; software design and SDLC knowledge; teamwork and presentation skills.
Java, Python, C/C++, Rust, JavaScript, TypeScript
1w
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Summer 2027 Software Developer Internship
Annapolis Junction, Maryland, United States
$26-$35/hr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
At least 1–2 years of college coursework in CS/related engineering, proficiency in Python/Java/C/C++/Rust/JavaScript/TypeScript, software design and SDLC knowledge, teamwork and presentation skills; US citizenship required.
Java, Python, C/C++, Rust, JavaScript, TypeScript, Software Development Life Cycle (SDLC)
2w
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iOS CNO Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
REDLattice
REDLattice: Provides advanced cybersecurity software and vulnerability research services.
Experience developing iOS software, exploit development, reverse engineering, kernel and OS internals, strong programming in Objective-C/Swift/C/C++/Python, active TS/SCI with polygraph, bachelor's degree in a technical field.
Objective-C, Swift, C, C++, Python, LLDB, IDA Pro, Ghidra, Frida, Hopper, Git, Bitbucket, ARM64
1d
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2026 Intern Conversion - Software Development Engineer I
Seattle or Van Horn or Denver or Huntsville or Arlington or Los Angeles or Longmont or Reston or Florida
$101k-$155k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship, enrolled in or recently graduating from college, B.S. in mechanical, aerospace, or astronautical engineering, and eligible to work under U.S. export controls.
1mo
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Senior Software Engineer
Warrenton or Colorado Springs or Florida
$110k-$150k/yr HybridFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
5+ YOEActive Secret clearance and US citizenship required; 5+ years systems engineering; Bachelor's in CS or equivalent; strong Python (asyncio), C++ (C++17/20), pybind11/Cython, Kubernetes/Docker, Linux internals, CI/CD (ArgoCD, GitHub Actions), Prometheus/Grafana.
Python, asyncio, C++, pybind11, Cython, Kubernetes, Docker, ArgoCD, GitHub Actions, Prometheus, Grafana, CMake, GitLab CI/CD
4w
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Principal Software Engineer TS/SCI w/Poly
Fort Meade, Maryland, United States
$200k-$255k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
Design, develop, test, and maintain low-level and high-performance software; proficiency with Python and ability to read C/C++ and x86 Assembly; experience with OS internals, compilers, and reverse engineering.
Python, C/C++, Assembly (x86)
1mo
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Senior Software Engineer-Internal Tools
Arlington or Clarksburg
$125k-$140k/yr OnsiteFull Time
Forterra
Forterra: Develops autonomous ground vehicle systems and software for defense.
3+ YOE3+ years software engineering; experience with Rust or strong systems languages, TypeScript/React, Linux, Docker, CI/CD, scripting (Bash/Python); ability to debug across app, OS, and network layers.
Rust, C, C++, Go, TypeScript, React, Linux, Docker, GitLab CI, Jenkins, Bash, Python, Tauri, Ansible, Jetson, Orin, ARM64, AWS, S3, IAM, EC2, Conan
1mo
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Cyber Software Engineer-Principal
Annapolis Junction, Maryland, United States
OnsiteFull Time
NetSage
NetSage: Delivering specialized cyber services to the U.S. federal government.
11+ YOETS/SCI with polygraph required; B.S. in Computer Science (or equivalent experience) with 11+ years; strong Python; able to read C/C++ and x86 Assembly; experience with OS internals, software architecture, executable analysis, and debugging.
Python, C, C++, x86 Assembly