10,185 software engineer jobs at 1,236 companies in Greenbelt, MD

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Software Engineer
Hanover, Maryland, United States
$167k-$310k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Global security and aerospace driving innovative defense solutions.
15+ YOEBachelor's degree in Computer Science or related field, or four additional years of software engineering experience; 15 years of software engineering experience; current DoD Top Secret SCI with Polygraph; C++, Python, Shell, CI/CD, and software testing experience.
C++, Python, Shell, SDR, CICD
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Software Engineer
Hanover, Maryland, United States
OnsiteFull Time
Systek
Systek: C4ISR contractor providing systems engineering, acquisition, testing, training, and IT services to defense and civilian agencies.
6+ YOEBachelor's degree preferred in computer science, information systems, software engineering, or programming. Requires 6 years of DoD software engineering experience and active Top Secret/SCI clearance; polygraph may be required.
1mo
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Software Engineer
Ypsilanti or Chantilly or Denver or Westminster
$69k-$142k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
3+ YOERequires active TS/SCI clearance, 3–5 years of software engineering experience, and a degree in computer science, electrical engineering, physics, or related field, with software, signals processing, or military experience alternatives.
Python, C++, Rust, Linux, Amazon Web Services (AWS), Jira, Scrum, Agile
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Software Engineer
Fort Meade, Maryland, United States
$79k-$163k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
3+ YOEActive TS/SCI with Polygraph, 3+ years of software engineering experience, and a bachelor's degree in computer science or related field; Python and production software development required.
Python, AWS, Kubernetes, GitLab CI/CD, RAG, vector databases, semantic search
1w
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Software Engineer
Manassas, Virginia, United States
$91k-$169k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Global security and aerospace driving innovative defense solutions.
Bachelor's or Master's in Software Engineering, Computer Science, or related STEM; experience with software development, Linux, Python; ability to obtain security clearance; willing to work onsite and travel up to 25%.
Linux, Python, C++, Java, React, Kubernetes
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Software Engineer
Annapolis Junction or Columbia
$168k-$200k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Private SDVOSB providing IT and engineering services to the Department of Defense and commercial clients.
3+ YOERequires TS/SCI clearance with polygraph, bachelor's degree or equivalent experience, and 3+ years of software engineering using high-level languages, with software integration, testing, and Windows or UNIX/Linux experience.
Vue.js, JAWS, WCAG, ARIA, HTML, axe-core, Pa11y, Lighthouse, Git, Jira, Confluence, Java, C, C++, JavaScript, Microsoft Windows, UNIX, Linux, CentOS, Amazon Web Services (AWS), Cypress, GitLab CI/CD, Angular, Ansible, Apache, Bash, Bootstrap, CSS, Docker, Eclipse, Elasticsearch, Grafana, Hadoop, Jenkins, jQuery, JSON, Kubernetes, Maven, MongoDB, MySQL, nginx, Node.js, Oracle, Python, React.js, Redis, RESTful Web Services, Selenium, SOAP Web Services, Splunk, SQL, Terraform, TypeScript, XML
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Software Engineer
Reston, Virginia, United States
RemoteFull Time, Contract
Global C2 Integration Technologies
Global C2 Integration Technologies: Service-disabled veteran-owned U.S. defense engineering and systems-integration firm serving government and military partners.
Active Top Secret/SCI clearance, bachelor's degree in engineering or related field, software engineering experience, Java, Python, Node.js, JavaScript, HTML, client/server and cloud-based systems experience.
Java, Python, Node.js, JavaScript, HTML, AWS, Continuous Integration/Continuous Delivery (CI/CD), Atlassian Jira, Atlassian Confluence
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Software Engineer
Fairfax, Virginia, United States
$79k-$163k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
3+ YOEBachelor’s or Master’s degree in computer science, computer engineering, or related field; 3–5 years of software development experience; Java, containerization, Agile, and Top Secret clearance required.
Java, C/C++, Python, Docker, Kubernetes, React, Node.js, Django, CI/CD, DevSecOps, Confluence, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, RHEL, CentOS, Rocky, VxWorks, Vita49.2, TCP, UDP, Sockets, ActiveMQ, Data Distribution Service (DDS), Wireshark
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Senior Software Engineer
Washington, District of Columbia, United States
$121k-$143k/yr OnsiteFull Time
The Nuclear Company
The Nuclear Company: U.S. nuclear infrastructure platform integrating reactor deployment, plant services, and operating systems for fleet-scale nuclear power.
4+ YOEBachelor's degree in computer science, software engineering, electrical engineering or related field; 4+ years software development experience; proficiency in JavaScript, TypeScript or Python; experience with SDLC, Git, and software architecture.
JavaScript, TypeScript, Python, Git
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Software Engineer I
Sparks, Maryland, United States
$76k-$121k/yr OnsiteFull Time
BD
BDNYSE: BDX: Global medical technology advancing the world of health.
Bachelor's degree in computer science, computer engineering, electrical engineering, software engineering, mathematics, physics, biomedical engineering, or related field; proficiency in object-oriented programming with C#, C++, Java, Python, or similar; understanding of software engineering fundamentals.
C#, C++, Java, Python, Git
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Software Engineer
Falls Church, Virginia, United States
$128k-$173k/yr HybridFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNew York Stock Exchange: GD: Provider of enterprise IT services and defense solutions.
5+ YOEBS/BA degree; 5-10 years related experience; active Secret clearance; U.S. citizenship required; software engineering skills.
2d
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Software Engineer
Ashburn, Virginia, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
8+ YOE8+ years software development experience including front-end; proficiency in HTML, CSS, JavaScript, TypeScript, React, Redux Toolkit, RESTful/GraphQL APIs; Public Trust clearance; Bachelor's degree in Computer Science, Software Engineering, or Information Systems.
HTML, CSS, JavaScript, TypeScript, React, Redux Toolkit, RESTful APIs, GraphQL APIs, Docker, Kubernetes, AWS, Azure, GCP
4w
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Software Engineer
Fort Belvoir, Virginia, United States
$100k-$130k/yr OnsiteFull Time
Trideum Corporation
Trideum Corporation: Employee-owned defense technology services providing engineering, testing, simulation, cybersecurity, and training primarily to U.S. government customers.
0+ YOEBachelor's degree in Computer Science, Software Engineering, or related field; 0-5 years software development experience in C++, C, C#, Java, or Python; US citizenship; active Secret clearance; strong object-oriented programming and problem-solving skills.
C++, C, C#, Java, Python, SysML
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Software Engineer
Columbia, Maryland, United States
OnsiteFull Time
Riverstone Enterprise Solutions
Riverstone Enterprise Solutions: Veteran-owned IT engineering contractor delivering cybersecurity, cloud, software, data, and SIGINT solutions for U.S. intelligence and defense.
7+ YOE7+ years software engineering experience; Bachelor's degree in computer science or related field (or 4 additional years experience); active TS/SCI with polygraph clearance.
2w
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Software Engineer
Washington, District of Columbia, United States
$98k-$163k/yr OnsiteFull Time
Guidehouse
Guidehouse: Global consulting firm serving public and commercial sectors.
6+ YOEMust be able to obtain and maintain a Top Secret security clearance; Bachelor's degree in Computer Science or related field; 6+ years relevant software engineering experience.
CI/CD, AI, LLM, OCR, NLP, API
3mo
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Software Engineer
Chantilly, Virginia, United States
$120k-$140k/yr HybridFull Time
Jacobs Solutions Inc.
Jacobs Solutions Inc.NYSE: J: Global professional services firm for infrastructure and mission-critical projects.
5+ YOE5+ years software engineering experience; strong Python, object-oriented design, API development, Docker, Kubernetes, and messaging queue experience (RabbitMQ/ActiveMQ/Kafka).
Python, RabbitMQ, ActiveMQ, Kafka, Docker, Kubernetes, AWS, Redis
2mo
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Software Engineer
Dahlgren, Virginia, United States
OnsiteFull Time
Global Technical Systems
Global Technical Systems: Privately held defense engineering delivering hardware, software, and product-based services to government and homeland-security customers.
5+ YOERequires a BS in engineering, science, or technology; 5 years software engineering experience; 3 years US Navy or defense program experience; US citizenship; ability to obtain a secret clearance; and Java, C, C++, C#, Linux, or Python expertise.
Java, C, C++, C#, Linux, Python, Cameo, DOORS
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Senior Software Engineer
Washington or Chantilly
$186k/yr RemoteFull Time
LeoLabs
LeoLabs: American aerospace providing radar-based orbital intelligence and space situational awareness to government and commercial operators.
5+ YOEActive US TS/SCI clearance, bachelor's degree in computer science or software engineering, and 5+ years of software engineering experience building cloud-based distributed systems at scale.
Python, Go, TypeScript, JavaScript, AWS, GCP, Azure, Postgres, MySQL, Kafka, SQS, Kubernetes, CI/CD
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Senior Software Engineer
Fort Wayne or Indiana or United States or Falls Church
$79k-$135k/yr HybridFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
4+ YOEBachelor's degree in computer science, computer engineering, or related field; C++ software development; object-oriented design; software engineering and testing experience; strong problem-solving skills.
C++, C#, Python, Java, VxWorks, Windows, Linux, Continuous Integration, Git, Jira, Confluence