4,905 software engineer jobs at 961 companies in Round Hill, VA

1mo
Save
Mark Applied
Hide
Software Engineer
Fort Belvoir, Virginia, United States
OnsiteFull Time
ANSER
ANSER: Provides research and analysis for national and homeland security missions.
7+ YOEActive Secret clearance, Bachelor's in engineering, 7+ years software engineering experience, experience with biometric systems, information assurance/encryption knowledge, Android experience, Agile/DevOps/DevSecOps, software testing and troubleshooting skills.
BAT-A, NRTIO, NXGBCC, Android, Agile, DevOps, DevSecOps
2mo
Save
Mark Applied
Hide
Software Engineer
Potomac, Maryland, United States
OnsiteFull Time
Kepora
Kepora: Software-focused defense contractor providing engineering solutions
12+ YOE12+ years of software engineering experience; Bachelor's in Computer Science or related field; leadership experience; strong design, debugging, documentation, and algorithm skills; ability to lead teams and develop complex software.
1mo
Save
Mark Applied
Hide
Software Engineer
Arlington, Virginia, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOE3+ years software engineering experience; proficiency with C#, C, C++, .NET or JavaScript; bachelor's in CS or Computer Engineering; Secret clearance required; strong communication and problem-solving skills.
C#, C, C++, .NET, JavaScript, Java, React, NodeJS, Linux, Rust
1w
Save
Mark Applied
Hide
Software Engineer
Middletown or Manassas
$90k-$100k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Engineers secure communication and mission-critical defense technology systems.
1+ YOEBachelor's in Software Engineering/Engineering/Science/Math plus 1 year or Master's; DoD Secret clearance and U.S. citizenship required; proficiency in C++, networking (AMQP,TCP/UDP), and Git.
C++, AMQP, TCP, UDP, Git, Linux, Kubernetes, Docker, QT Framework, Jira, Confluence
2mo
Save
Mark Applied
Hide
Software Engineer
Laurel or Fort Meade
OnsiteFull Time
Metron
Metron: Develops scientific software and mathematical models for national security.
3+ YOEActive TS/SCI with CI poly, HS diploma, 3+ years as Software Engineer, hands-on with modern web and backend tech.
HTML, CSS, JavaScript, Angular, React, Spring Boot, Node.js, Postgres, ActiveMQ, Redis, Docker, Kubernetes, GitLab, CI/CD, Java, TypeScript, Python, C++
4w
Save
Mark Applied
Hide
Software Engineer
Norfolk or Fairfax
$78k-$134k/yr OnsiteFull Time
WR Systems
WR Systems: A government-focused technology contractor delivering software engineering and R&D support.
3+ YOEBS in engineering/computer science or equivalent, 3+ years software engineering, proficiency in Python and modern C++, Linux and Git experience, ability to obtain Secret clearance, willing to travel 10–20%.
Python, C++, Linux, Git, Docker, DDS, Kafka, MATLAB
1mo
Save
Mark Applied
Hide
Software Engineer
Arlington, Virginia, United States
$69k-$158k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
3+ YOE3+ years professional software engineering experience; Bachelor's in CS or Computer Engineering; Secret clearance; proficiency with C#, C, C++, .NET, JavaScript; experience with full-stack development and Linux preferred.
C#, C, C++, .NET, JavaScript, Java, React, NodeJS, Linux, Rust
1mo
Save
Mark Applied
Hide
Software Engineer
Carlsbad or Germantown
$117k-$185k/yr OnsiteFull Time
Viasat
ViasatNASDAQ: VSAT: Provider of global satellite-based connectivity and secure communication solutions.
4+ YOE4+ years software engineering experience in C/C++ with Linux systems, multithreading, networking, scripting (Bash/Ansible/Python), and CI/CD tools; bachelor's in CS required.
C, C++, Linux, Bash, Ansible, Python, TCP/IP, OSPF, BGP, Jenkins, JIRA, Git, Perforce, Kubernetes, Containers, CI/CD, AWS, GCP, Claude, Copilot
2mo
Save
Mark Applied
Hide
Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
4+ YOE4-7 years’ software engineering with cloud experience; Java and Python; AWS services; Linux; Docker; Elasticsearch/OpenSearch; SQL; secure web apps.
Java, Python, AWS, CDK, ElasticSearch/OpenSearch, Docker, Linux, SQL, JSON, XML, Lambda, S3, EC2, EventBridge, SQS, SNS, IAM, DynamoDB
3w
Save
Mark Applied
Hide
Software Engineer
Chantilly, Virginia, United States
$120k-$140k/yr HybridFull Time
Jacobs
JacobsNYSE: J: Global provider of professional engineering and technical services.
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
Save
Mark Applied
Hide
Software Engineer
Chantilly or Herndon or McLean
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
10+ YOE10+ years in software engineering; strong Java and Node.js; Python/Bash scripting; AWS; Linux; relational databases; Git; CICD; TS/SCI with Polygraph clearance.
Java, JavaScript, Node.js, Python, Bash, Linux, PostgreSQL, MySQL, MariaDB, AWS, Terraform, Terragrunt, Ansible, CloudFormation, Git, Jenkins
2mo
Save
Mark Applied
Hide
Software Engineer
Arlington, Virginia, United States
$120k-$140k/yr HybridFull Time
DANE
DANE: Provides IT services and software development to federal agencies.
5+ YOE5+ years .NET software engineering; DoD Secret clearance; BS in CS; .NET, REST APIs, Oracle, CI/CD; Angular/React; IIS; deployment automation.
.NET framework, IIS, RESTful APIs, Oracle databases, Ansible, GitLab, Jenkins, Nexus, Git-based version control, OKTA, CyberArk, Angular, React, SQL Developer, SQL Plus, Toad, SQL Server Management Studio, NIST security guidelines
1mo
Save
Mark Applied
Hide
Software Engineer
London or Washington or United States or United Kingdom or Europe or Asia
OnsiteFull Time
Metrea
Metrea: Provider of effects-as-a-service to global national security partners.
6+ YOE6 years backend engineering experience with Python and web/REST APIs; BSc in Software Engineering or CS; experience with Django/FastAPI, Azure, Kafka, Docker, Kubernetes, Elasticsearch; Agile delivery and leadership skills; BPSS check and UK right-to-work required.
Python, Django, FastAPI, REST, Azure, Kafka, Docker, Kubernetes, Elasticsearch
2w
Save
Mark Applied
Hide
Senior Software Engineer
Washington, District of Columbia, United States
$68-$113/hr OnsiteFull Time
PEMCCO
PEMCCO: Provides IT and engineering services for government transportation systems.
10+ YOEMaster's degree in a technical discipline, 10+ years software engineering experience, advanced software architecture knowledge, lifecycle and testing experience, ability to obtain security clearance.
2mo
Save
Mark Applied
Hide
Software Engineer
Tucson or Centennial or Chantilly
$85k-$152k/yr OnsiteFull Time
Rincon Research Corporation
Rincon Research Corporation: Designs high-performance digital signal processing solutions for defense missions
Bachelor’s/Master’s/PhD in Computer Engineering or Computer Science; proficient in modern software practices; C++ and Python on Linux; ability to obtain TS/SCI clearance; US citizenship required.
C++, Python, Linux, Gitlab, CI/CD, Docker, Kubernetes, PIP
1w
Save
Mark Applied
Hide
Software Engineer
Annapolis Junction or Columbia
$142k-$236k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
14+ YOEActive TS/SCI with Poly required. Bachelor's in technical discipline or equivalent experience; 14+ years software engineering experience; Java experience; EMR not mentioned. BLS/CPR not applicable.
Java, AWS
1w
Save
Mark Applied
Hide
Principal Software Engineer
Columbia, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
11+ YOEBachelor's in CS or Software Engineering plus 11 years' relevant experience; TS/SCI w/Poly clearance; proven experience designing and delivering complex production software, making architecture decisions, and mentoring engineers.
2mo
Save
Mark Applied
Hide
Software Engineer
Alexandria or United States
RemoteFull Time
Whitespace
Whitespace: Building AI-powered geospatial intelligence platforms for global leaders.
7+ YOE7+ years software engineering experience; strong coding in Python/Java/Go; CI/CD and DevOps experience; SQL/NoSQL; geospatial data science and analytics experience preferred; US citizenship and TS/SCI eligibility required.
Python, Java, Go, GitLab, JIRA, Confluence, Kubernetes, SQL, NoSQL, GeoPandas, ArcGIS Pro, ArcGIS Enterprise, QGIS, Spark, Hadoop, Athena, EMR, BigQuery, Tableau, Power BI, Kepler.gl, Deck.gl
2mo
Save
Mark Applied
Hide
Software Engineer I
Washington, District of Columbia, United States
$99k-$140k/yr OnsiteFull Time
Vantage Systems
Vantage Systems: Providing engineering and technical services for space and aviation missions.
Entry-level software engineering role requiring a Bachelor's degree and SECRET clearance.
1mo
Save
Mark Applied
Hide
Software Engineer
Ypsilanti or Chantilly
$82k-$172k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEUS citizen able to obtain Top Secret clearance; degree in CS/EE/Physics or 4 yrs equivalent; 5+ years software engineering experience; familiarity with Python, C++, Rust, Linux, AWS; strong problem-solving and teamwork skills.
Python, C++, Rust, Linux, AWS, Jira