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Junior Software Engineer Python Jobs in Lake Barcroft, VA, US

170+ junior software engineer python jobs from 89 companies hiring in Lake Barcroft, VA, US.

171 jobs- Lake Barcroft • 50 miles
1w
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Software Engineer Level 0
Annapolis Junction, Maryland, United States
$89k-$140k/yr OnsiteFull Time
DCCA
DCCA: Provides IT and engineering solutions for government and defense agencies.
TS/SCI with poly required; strong Java and Python; experience with GitLab/Jira; CI/CD; Agile methods; knowledge of Docker/Kubernetes; RESTful services.
Java, Java SE, Java 8, Java 17, Python, Git, Shell/Bash, Nexus, Maven, JUnit, Eclipse IDE, VS Code, JavaScript/HTML5/CSS3, Jira, GitLab, Docker, Podman, Kubernetes, OpenShift, Spring Boot
4w
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Associate Software Engineer
Manassas, Virginia, United States
OnsiteFull Time
VTG
VTG: Provides force modernization and digital transformation for defense agencies.
Bachelor’s or master’s in STEM; experience with Java, C++, Python; Git; Linux; US citizen with ability to obtain SECRET clearance; background check.
Java, C++, Python, Git, GitHub, GitLab, Linux, RHEL, Kubernetes, Docker, Podman, KVM, Helm, Jenkins, Ansible, GitOps, Nexus, Robot Framework, Shell scripting, CI/CD, Networking
6h
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Software Engineer - CTJ - Poly
Reston or Annapolis Junction
$84k-$165k/yr OnsiteFull Time
Microsoft
Microsoft: Provides software, cloud computing, and hardware technology products.
0+ YOEBachelor's degree in computer science or related technical field; experience coding in multiple languages including C, C++, C#, Java, JavaScript, or Python; ability to obtain security clearance.
C, C++, C#, Java, JavaScript, Python
1mo
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Software Engineer SWE 0
Jessup, Maryland, United States
OnsiteFull Time
LifeCycle Corporation
LifeCycle Corporation: Strategic technology and branding solutions for federal and private sectors.
0+ YOEBachelor’s degree in Computer Science or related discipline or four years of SWE experience; TS/SCI with Poly clearance; Linux proficiency; Python/C++/Java/JavaScript; Git/GitLab; Agile/Scrum.
Python, C++, Java, JavaScript, Git, GitLab, VSCode, Eclipse
2mo
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AWS Connect Developer - Junior
Washington, District of Columbia, United States
HybridFull Time
Blue Rose Consulting Group
Blue Rose Consulting Group: Provides IT and human capital consulting for government agencies.
2+ YOEJunior AWS Connect Developer with 2 years Python and AWS experience; US Citizenship; Public Trust; hybrid in DC; Terraform preferred.
Python, AWS, Lambda, S3, DynamoDB, Git, GitLab, Terraform
2w
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Summer 2026 Software Developer Internship
Annapolis Junction, Maryland, United States
$26-$35/hr OnsiteInternship
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
0+ YOE0+ years of related experience; US citizenship; programming in Python/Java/C/C++/JavaScript; knowledge of software development lifecycle; collaborative teamwork.
Python, Java, C/C++, Rust, JavaScript/TypeScript
4d
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Cleared Software Engineer
Chantilly, Virginia, United States
$69k-$116k/yr OnsiteFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
0+ YOEBachelor's in CS/IS or related field; strong programming knowledge; experience with Java, Scala, Python, Golang; AWS, Kubernetes, Docker; CI/CD tooling; DoD/Intelligence Community exposure preferred.
Java, Scala, Python, Golang, Kubernetes, Docker, AWS, Gitlab CI/CD, ArgoCD, CircleCI, Jenkins, Kafka, NiFi
2mo
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Associate Software Engineer
Arlington or Mount Laurel
$72k-$114k/yr OnsiteFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops automated software integration and testing solutions for defense.
0+ YOE0–2+ years backend development; BS in a related field; proficient in Python/Java/C++/C#; ability to travel; knowledge of SDLC; APIs and databases; distributed systems; security practices.
Python, Java, C++, C#
1mo
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Novel Applications of Vital Information
Novel Applications of Vital Information: Provides IT and cybersecurity services for government agencies.
US citizenship required; active TS/SCI with Full Scope Polygraph; residency within 50 miles of Chantilly, VA; 100% onsite daytime; full-time; security clearance required.
Java, JavaScript, Bash, Python, AWS, Solr, Elasticsearch, Spring Boot, RESTful APIs, Linux, JIRA, GitHub
3w
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Associate Software Engineer
Reston, Virginia, United States
OnsiteFull Time
Metron
Metron: Develops scientific software and mathematical models for national security.
Bachelor’s degree in computer science, mathematics, physics, or related field; proficiency in Java, TypeScript, Python, or C++; strong OO programming; full-stack web development experience; US citizenship with eligibility for security clearance.
Java, TypeScript, Python, C++, MongoDB, RabbitMQ, Spring Boot, React, Redux, WebGL, OpenGL
2w
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Software Engineer - 90402844 - Washington DC, Philadelphia PA or Wilmington DE (US)
Washington or Wilmington or Philadelphia
$72k-$93k/yr OnsiteFull Time
Amtrak
Amtrak: Operates America's national intercity passenger railroad system.
1+ YOEBachelor’s degree or equivalent; 1+ year software engineering; Java, Python, SQL; frontend/backend development; CI/CD and cloud; onsite in DC/DE/PA.
Angular, React, Java, Python, SQL, NoSQL, AWS, Azure, CI/CD
3w
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Associate Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
No prior experience required; Bachelor’s in CS or related field preferred; TS/SCI with Poly clearance; Linux development environment; languages include C/C++, Python; Git/GitLab; Agile; geospatial processing and SDR familiarity preferred.
Linux, C/C++, Python, Git, GitLab, VS Code, Eclipse, Agile
1mo
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Backend Software Engineer
Reston, Virginia, United States
RemoteFull Time
Game Plan Tech
Game Plan Tech: Building secure cloud and AI systems for government.
Back-end developer proficient in Java or Python, databases (SQL/NoSQL), Git/CI/CD, cloud platforms (GCP/AWS/Azure), containers (Docker/Kubernetes), and REST APIs.
Java, Python, Git, CI/CD, Docker, Kubernetes, GCP, Azure, AWS, SQL, NoSQL, REST APIs
2mo
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Forward Deployed Software Engineer - Tactical Edge
Washington, District of Columbia, United States
$135k-$200k/yr OnsiteFull Time
Palantir
PalantirNasdaq: PLTR: Builds software for data-driven decisions and operations.
Active US security clearance (Top Secret) or willingness to upgrade; strong software engineering background; experience with containers and orchestration; proficient in Python/Java/JavaScript/Bash; comfortable collaborating with customers; willingness to travel ~25%.
Docker, Podman, OpenShift, Kubernetes, Python, Java, Bash, JavaScript, Go, Linux, Networking, On-premise infrastructure
2w
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Junior Palantir / Maven Product Engineer
Herndon, Virginia, United States
OnsiteFull Time
NetCentrics
NetCentrics: Secures government infrastructure through cybersecurity and IT services.
3+ YOEBachelor’s degree in CS/Engineering/Data Science or related field; 1–3 years software/data engineering; Python/Java/Go/TypeScript; cloud infra AWS/Azure/Kubernetes; secure environments; Secret clearance; TS/SCI eligibility.
Python, Java, Go, TypeScript, AWS, Azure, Kubernetes
3mo
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Software Engineer (TS/SCI) {S}
Chantilly, Virginia, United States
OnsiteFull Time
ARKA Group
ARKA Group: Provides advanced technology solutions for space and defense missions.
Active TS/SCI clearance; degree in CS/EE/Physics or related; programming in Python/C++/Rust; Linux/cloud experience; onsite work; strong problem-solving.
Python, C++, Rust, Linux, AWS
1mo
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Junior Full Stack Engineer
Baltimore, Maryland, United States
$78k-$101k/yr RemoteFull Time
Index Analytics
Index Analytics: Delivers data strategy and IT solutions to federal health agencies.
4+ YOEUS citizenship or work authorization in the US; ability to obtain a government badge; 4+ years experience with a Bachelor’s or 2+ years with a Master’s; strong SQL and Python; DevSecOps familiarity; strong communication; government experience a plus.
AWS, Jenkins, CI/CD, PostgreSQL, Aurora, S3, Secrets Manager, SSM, Infrastructure as Code
2mo
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Software Engineer Intern
Alexandria, Virginia, United States
$20/hr OnsiteFull Time, Internship
American Society of Clinical Oncology
American Society of Clinical Oncology: Professional organization supporting cancer care through research and education.
0+ YOECurrently enrolled in undergraduate or graduate program; experience with AWS, GCP, or Azure; Python programming; git; Office; strong communication; able to work in fast-paced team.
Amazon Web Services, Google Cloud Platform, Microsoft Azure, Git, GitHub Copilot, Terraform
2w
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Chapter Next Returnship - Software Engineer (Java, C++)
Manassas, Virginia, United States
OnsitePart Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOEBachelor's in CS/Software/Computer Engineering plus 1 year exp; Linux/Unix; Java/C++ development; Bash/Python scripting; US Citizenship; security clearance required.
Java, C++, Linux, Unix, Bash, Python
1d
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Software Development Engineer I
Washington or Reston or San Diego or San Francisco or Wilmington or Phoenix or Los Angeles or Houston or Boston or Austin or Atlanta or Raleigh or Baltimore or New York or Dallas or Palo Alto or Short Hills or Minneapolis or Chicago or Seattle or Philadelphia or Miami
$37-$59/hr HybridFull Time
DLA Piper
DLA Piper: Global law firm providing comprehensive legal and business services.
1+ YOE1-3 years programming with Node.js, Python, C#, Razor, MVC; SQL databases; JavaScript frameworks; HTML/CSS; strong communication.
Node.js, Python, C#, Razor, MVC, Visual Studio Code, MS Graph, APIs, Git, Azure DevOps, SQL, HTML, CSS, JavaScript
2mo
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Software Engineer Level 0
Fort Meade, Maryland, United States
$85k-$95k/yr OnsiteFull Time
Markon
Markon: Provides management consulting and technical services to government agencies.
0+ YOETS/SCI with active poly, BS in CS/Engineering or 4 years relevant Linux/software experience, strong C++/Java, scripting skills.
C++, Java, Shell, Python, JavaScript, Bash, Perl
2w
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Jr Full Stack Developer (Python/React.js)
Reston, Virginia, United States
$70k-$100k/yr OnsiteFull Time
Inadev
Inadev: Provides digital engineering and AI solutions to government and businesses.
2+ YOEBachelor's in CS/Engineering; 2+ yrs Python and React; experience with AI-assisted development; microservices; Agile/Jira; US citizen; located in DC metro area.
Python, React.js, GitHub Copilot, Microservices, JIRA, AWS, Docker, Kubernetes, PostgreSQL, MongoDB, DynamoDB
3w
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Full Stack Software Developer Intern (Summer 2026)
Annapolis Junction, Maryland, United States
$23-$40/hr OnsiteInternship, Full Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
Student enrolled in a Software Engineering degree; completed sophomore year by June 2025; US citizen; able to work in person in Annapolis Junction, MD.
Java, Python, SQL, React, Git, Bitbucket, Jira, Linux, Windows
2mo
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Intern - MOPS Software Development
Lanham, Maryland, United States
OnsiteInternship
AST SpaceMobile
AST SpaceMobileNASDAQ: ASTS: Building a space-based cellular broadband network for smartphones.
0+ YOEPursuing CS or aerospace engineering; strong Python; knowledge of CI/CD; junior-level; 14-week internship.
Python, C++, CI/CD tools, Git, Documentation tools, Automated testing frameworks, Confluence, Markdown
6d
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Software Engineer Full Stack & Application Development II (Full Time) – United States
San Jose or New York or Boston or Knoxville or Austin or Milpitas or Alpharetta or Raleigh (RTP) or Maynard or Fulton or Dallas or Atlanta or Hillsboro
HybridFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
0+ YOEBackend in Python/C++/Java; frontend JS/TS; REST/GraphQL/gRPC; SQL/NoSQL; cloud familiarity (AWS/Azure/GCP).
Python, C++, Java, JavaScript, TypeScript, REST, GraphQL, gRPC, SQL, NoSQL, AWS, Azure, GCP, Docker, Kubernetes, Terraform, Ansible, CloudFormation, GitHub Actions, Jenkins, CircleCI, Grafana, Prometheus, Splunk, React, Angular, Vue
1d
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Software Engineering Intern II, Summer 2026
Arlington, Virginia, United States
$46k-$63k/yr OnsiteInternship, Temporary
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Designs and manufactures advanced defense and aerospace systems.
0+ YOEUndergraduate student in Software Engineering, Computer Science, or Computer Engineering; programming experience in C, C++, Java, or Python; strong communication; self-motivated; eligible for US DoD security clearance.
C, C++, Java, Python
1w
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AI Engineer Intren
McLean, Virginia, United States
OnsiteFull Time, Internship
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
3+ YOEEnrolled student pursuing a Bachelor's in CS/Data/Software/Computer Engineering; experience with AI/ML libraries; Python and programming skills; strong communication; self-starter with initiative.
TensorFlow, PyTorch, Scikit-learn, Keras, Python
1d
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Software Engineering Intern II, Summer 2026
Arlington, Virginia, United States
$46k-$63k/yr OnsiteInternship
BAE Systems
BAE SystemsLondon Stock Exchange: BA.: Produces advanced defense, aerospace, and information security systems.
0+ YOEUndergraduate student in Software Engineering, CS, CE, or related field; programming in C, C++, Java, or Python; strong communication; self-motivated; eligible for US DoD security clearance.
C, C++, Java, Python, Git
1w
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Cyber Software Engineering Intern
Herndon, Virginia, United States
OnsiteInternship
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and builds aerospace and defense technology systems.
Enrolled in Computer Science/Engineering; experience in C/C++/Python; Linux; US citizenship; ability to obtain government clearance.
C, C++, Python, Linux
1mo
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AI Engineer Intern
United States or Oklahoma or Texas or Missouri or Colorado or Washington or Virginia or Wyoming or Utah or Maine or New York or Ohio or Florida or Washington
$25/hr RemoteInternship
USA Rare Earth
USA Rare EarthNASDAQ: USAR: Manufactures rare earth magnets and processes critical minerals.
0+ YOEMS student in CS/Data Science/SE/Applied Math; shipped AI product experience; Python proficient; LLM framework experience; SQL/Pandas; strong software engineering; strong written communication.
Python, LangChain, LlamaIndex, OpenAI API, Anthropic API, Haystack, SQL, Pandas
2w
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Dev/ MLOps Engineer I (Full Stack)
Rockville, Maryland, United States
$95k-$120k/yr HybridFull Time
Origin AI
Origin AI: AI-powered WiFi sensing for human presence and activity detection.
0+ YOE0–3 years of software engineering/DevOps/MLOps experience; strong Python, Bash, SQL; CI/CD and cloud familiarity.
Python, Shell scripting, SQL, GitHub Actions, Jenkins, Docker, Kubernetes, Terraform, CloudFormation, AWS, Azure, GCP, NoSQL, Grafana, Prometheus, CloudWatch, JavaScript, TypeScript, API development, IoT, Distributed systems
4d
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Application Developer
Tampa or Cleveland or Sarasota or Arlington or Nashville or Milwaukee or Dearborn or Orlando or Charlotte
OnsiteFull Time
Intertape Polymer Group
Intertape Polymer Group: Produces industrial tapes, films, and automated packaging equipment.
0+ YOEBachelor's in computer science, IT, software engineering, or related field; foundational programming experience; basic knowledge of C#/.NET, JavaScript/TypeScript, Python; introductory Azure and Power Platform concepts; APIs, databases, Git; strong teamwork and willingness to learn.
C# / .NET, JavaScript / TypeScript, Python, Azure, Power Platform, APIs, Databases, Git, Azure DevOps
6d
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2026 Emerging Missions Flight Dynamics Engineer
El Segundo or Huntsville or Chantilly or Colorado Springs or Albuquerque
$100k-$140k/yr HybridFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
1+ YOEMaster’s or PhD in engineering/science; 0-1 years experience; astrodynamics, trajectory design, software; C/C++, Python, MATLAB; travel; ability to obtain security clearance.
C, C++, Python, Fortran, MATLAB
1w
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AI/ML Engineer - Remote or Hybrid in MN/DC/NJ
Minneapolis or Washington or Basking Ridge
$73k-$130k/yr HybridFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-driven healthcare services.
1+ YOE1+ years software engineering; Python/Java; AI/ML; AWS; API/CI/CD; security and monitoring.
Python, Java, AWS, CI/CD, APIs, Containerization, No-code/low-code platforms
1mo
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Software Engineering Internship 2026
Columbia, Maryland, United States
OnsiteInternship
Astrion
Astrion: Delivering engineering and mission support services to government agencies.
Pursuing Bachelor's in engineering or computer science; GPA 3.0+; ability to obtain US DoD security clearance; strong communication and analytical skills; programming in MATLAB, Python, C++, Java; familiar with CAD and data analysis.
MATLAB, Python, C++, Java, Microsoft Office
2mo
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SkillBridge Research Engineer – Cyber/EW
Columbia, Maryland, United States
OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
0+ YOEDemonstrated passion for technology; programming in C/C++, Python; hardware/software design and debugging; strong communication; active Top Secret clearance.
C, C++, Python, Embedded systems, ID A Pro, Ghidra, gdb, WinDbg, Linux, Windows, ARM, Arduino, Raspberry Pi, TCP/IP, wireshark, tcpdump, TLS/SSL
2w
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Game Simulation Developer Intern
Fredericksburg, Virginia, United States
OnsiteInternship
Obsidian Solutions Group: Delivers technology-enabled and mission-oriented solutions to government agencies.
0+ YOEPursuing a Bachelor's or Master's in CS/Game Development/Software Engineering; experience with C#/C++/Python/JavaScript; familiarity with Unity or Unreal; strong problem solving; team, independent work; photo editing.
Unity, Unreal Engine, C#, C++, Python, JavaScript, Adobe Photoshop, Adobe Illustrator, Git
1mo
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National Security Solutions (NSS) Internship – Software Engineering Intern
Chantilly, Virginia, United States
OnsiteInternship, Full Time
KBR
KBRNYSE: KBR: Provides engineering, technology, and professional services for global markets.
Pursuing science or engineering degree; proficient in Python and/or MATLAB; strong math and problem solving; able to work independently and in a team; clear communication.
Python, MATLAB
2d
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Intern Security Data Engineering & Software Development (McLean, VA, US)
McLean, Virginia, United States
OnsiteInternship
SES
SESEuronext Paris: SESG: Provides global satellite-based video and data connectivity services.
Internship focused on data engineering and software development, migrating Python/Excel workflows to SQL-backed architecture with a secure frontend.
1w
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AI Engineer
Leesburg, Virginia, United States
RemoteFull Time
Anika Systems
Anika Systems: Provides technology solutions and consulting for federal agencies.
1+ YOEBachelor's in CS/CE/Data Science; 1-3 years ML/NLP; Python/TypeScript; LLM integration; AWS; PostgreSQL; OAuth/OIDC; security/compliance.
Python, TypeScript, FastAPI, React, OpenAI, Anthropic, Bedrock, Vertex, Azure OpenAI, AWS, Terraform, PostgreSQL, OAuth, OIDC, JWT

HiringCafe market data

Junior Software Engineer Python Jobs market signals in Lake Barcroft, VA, US

These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.

Open jobs
170+
Hiring companies
89
Fresh sample
61% new in 30d
Salary visibility
53% show pay

Companies appearing in this market

BAE SystemsInnovative Defense TechnologiesKBRThe Aerospace CorporationGame Plan TechGeneral Dynamics Information TechnologyInadevIndex Analytics

Work location mix in visible results

Onsite: 45Hybrid: 7Remote: 5