183 software testing engineer jobs at 77 companies in Winchester, VA

1mo
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Software Developer
Chantilly or Potomac
OnsiteFull Time
Kepora
Kepora: A that provides secure software solutions and clearance processing support.
Software engineer to design and build cloud-based systems; develop, test, and debug cloud-native applications; work with Python, Java, JavaScript; experience with serverless functions and web UI.
Python, Java, JavaScript, React, Node.js, AWS, CloudWatch, CloudTrail, Terraform, Ansible, Kubernetes, Linux, Bash
4d
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Software Developer
Sterling, Virginia, United States
OnsiteFull Time
ASSYST
ASSYST: An IT firm specializing in digital transformation, DevSecOps, cyber security, and AI integration for government clients.
Master's in Computer Science or related required; expertise in software engineering, AI/ML, data science, deep learning, neural networks, and quality assurance testing; ability to travel to local clients.
2mo
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Software Engineer
Chantilly or Herndon
OnsiteFull Time
J5 Consulting
J5 Consulting: Provides specialized cybersecurity and technical services to government and commercial clients.
5+ YOEExperience translating designs into software; testing; Agile Scrum; AWS/Azure; Jenkins; Docker; Linux; Python; ELK stack; UI frameworks (React/ExtJS).
AWS, Azure, Jenkins, GitHub, Docker, Terraform, CloudFormation, Ansible, Linux, Bash, Python, Elasticsearch, Logstash, Kibana, Filebeat, JavaScript, React, ExtJS
1w
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Principal Software Developer Engineer
Reston or Austin or Seattle
$115k-$235k/yr OnsiteFull Time
Oracle
OracleNYSE: ORCL: Provides cloud infrastructure and enterprise software for global businesses.
6+ YOEU.S. citizenship and active TS/SCI with Poly required. Senior software engineer with multi-year experience designing, building, testing, and operating distributed application services; experience with databases, programming/scripting, secure development, code review, and mentorship.
Oracle Cloud Infrastructure, AWS, Azure, Google Cloud, RESTful APIs, microservices, CI/CD, containers, Kubernetes, Linux, observability
2mo
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Software Engineer
Chantilly, Virginia, United States
$156k-$234k/yr OnsiteFull Time
Two Six Technologies
Two Six Technologies: Develops cybersecurity and data systems for national security missions.
15+ YOEBS with 15+ years or MS with 12-15 years; multiple languages (Java, JavaScript, Python, XML); cloud services; web software; Windows/Unix; Git; unit/integration tests; agile; Docker/Kubernetes.
Java, JavaScript, Python, XML, Git, Spring, PostgreSQL, Docker, Kubernetes, Cloud services
2mo
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Software Test Engineer
Herndon, Virginia, United States
$99k-$225k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOE5+ years manual software testing; test planning/execution; Linux/UNIX; SDLC/STLC/Agile; TS/SCI clearance with polygraph; HS diploma/GED.
Postman, SoapUI, SQL, Jira, Confluence, GitLab, Jenkins, Azure DevOps, CI/CD, Cloud (AWS/Azure/GCP)
4w
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Flight Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Lynk Global
Lynk Global: Enables direct satellite-to-phone connectivity for standard mobile devices.
Proficiency in C/C++/Rust, Linux, hardware interfaces (CAN, I2C, SPI, RS-422/485), Git and CI/CD, automated testing, BS degree in engineering or equivalent experience, ability to develop and test flight software and telemetry.
C, C++, Rust, Linux, CAN, I2C, SPI, RS-422, RS-485, IPC, Git, CI/CD, Yocto/OpenEmbedded, Protocol Buffers, ZeroMQ, gRPC, systemd
1mo
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Senior Software Engineer
Ashburn, Virginia, United States
OnsiteFull Time
Cubic
Cubic: Develops defense training systems and public transit fare technology.
3+ YOEBachelor's (plus 5 years) or Master's (plus 3 years) in computer science, electronic engineering or related; eligible for DOD security clearance; experience in software development, testing, debugging; proficiency with C++, Java, C#, PLM, Visual Studio, CMake, Git, containerized applications and CI/CD.
C++, Java, C#, Product Lifecycle Management, Visual Studio, CMake, Git, Windows, Linux, containerized applications, CI/CD, Agile
1w
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Senior Software Developer
Frederick or California or Colorado or Illinois or Minnesota or New Jersey or New York or Oregon or Washington or United States
$85k-$117k/yr RemoteFull Time
Syms Strategic Group
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOEU.S. citizen eligible for Public Trust,8+ years software development with Java and/or NodeJS,Angular,REST API design,cloud (AWS/Azure),Git/GitHub,unit/integration testing,healthcare/EDI experience preferred,Bachelor's in CS/Engineering.
Java, NodeJS, Angular, C#, .Net, AWS, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, Docker, ECS, EKS, JIRA, Microsoft Teams, Electronic Data Interchange X.12 (EDI), XML, JSON
4w
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Software Systems Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Systems Planning and Analysis
Systems Planning and Analysis: Provides technical and analytical support to national security agencies.
9+ YOEUS citizen with TS/SCI+poly, bachelor’s degree in a related engineering/computer science field, 9+ years supporting software/systems engineering including requirements, design, integration, test; knowledge of Agile, DevSecOps, and waterfall; space/aerospace experience; able to report onsite in Chantilly, VA.
Agile, DevSecOps
3d
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Software Test Engineer (Hardware)
Dulles, Virginia, United States
$92k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
2+ YOEActive Top Secret clearance; bachelor's in a STEM field (or equivalent experience); 2+ years software development and automated test experience with C, Python, Bash; RF test equipment experience; Linux and VM expertise.
C, Python, Bash, Playwright, LabVIEW, PyVISA, VMware, KVM, Red Hat Enterprise Linux, Linux, Windows, SSH, Jenkins, GitLab CI, Microsoft Azure DevOps
2mo
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Senior Payloads Software Engineer
Clarksburg or Arlington
$120k-$200k/yr OnsiteFull Time
Forterra
Forterra: Develops autonomous ground vehicle systems and software for defense.
3+ YOE3+ years relevant experience; B.S. in CS/engineering/robotics or equivalent; strong C/C++ skills; experience integrating software on hardware, vehicle networks (CAN, CAN-FD, Ethernet, FlexRay, UDS/J1939), unit testing, debugging, and delivering production-quality software.
C, C++, Python, Java, ROS2, JIRA, CAN, CAN-FD, Ethernet, FlexRay, UDS/J1939
1mo
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Software Engineer
Manassas, Virginia, United States
$93k-$186k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
4+ YOEBachelor's in STEM with 4+ years experience; Java/C++ development on Linux, multithreading, integration, testing, troubleshooting; active Secret clearance and U.S. citizenship required.
Java, C++, Linux, Unix, JavaFX, Swing, MongoDB, PostgreSQL, gRPC, Artemis, JVisualVM, JConsole, JProfiler, RxJava, Kotlin Coroutines, Flow, Docker, Kubernetes, Bash
5d
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Software Engineer - C#/ BCS
Reston, Virginia, United States
OnsiteFull Time
Securiport
Securiport: Provides biometric and big data solutions for global border security.
3+ YOE3–5 years software development experience with C#/.NET, SQL Server, APIs/microservices, Git, unit testing; bachelor's in CS or equivalent experience preferred.
C#, .NET, .NET Core, SQL Server, gRPC, REST, Git, GitHub, Azure DevOps, CI/CD
1mo
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Bespoke Technologies
Bespoke Technologies: Provides technical engineering and data solutions for national security.
Active polygraph clearance required. Experience with Lean Agile, LLM/RAG and semantic search, React, Node.js/Express, Elasticsearch, DevOps tools (Git, Jenkins, Nexus), and testing frameworks (Jest/Karma).
AWS, Azure, Elasticsearch, React, HTML5, CSS3, Node.js, Express, Tomcat, Web Services, SSL, Jest, Karma, Git, Jenkins, Nexus, OpenAI, LLM, RAG
1mo
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
NS2 Mission
NS2 Mission: Delivers secure data management and analytics for national security.
Bachelor's in a related technical field (or equivalent experience), experience with Java and Python, RESTful APIs, relational databases (PostgreSQL, Oracle, SQL Server, MySQL), Linux/Unix, Agile, version control and testing; TS/SCI with FSP required.
Java, Python, PostgreSQL, Oracle, SQL Server, MySQL, Linux, Unix, RESTful APIs, AWS, CI/CD, DevOps, Git, Jenkins, Terraform, Elasticsearch, OpenSearch
1mo
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Lead Software Integration Engineer
Manassas, Virginia, United States
$95k-$106k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
0.5+ YOEBachelor's in software engineering or related STEM plus 2 years (or Master's plus 6 months); DoD Secret clearance obtainable; experience with Linux, CI/CD, CUDA/GPU, AI-assisted development, test automation, and mentoring.
Linux, CUDA, CI/CD, AI
3mo
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Software Test Engineer
Annapolis Junction, Maryland, United States
$136k-$175k/yr OnsiteFull Time
Intelliforce
Intelliforce: Provides engineering and technical solutions for the intelligence community.
8+ YOETop Secret clearance with Full Scope Polygraph; US citizenship; BS in Computer Science or related field with 8+ years or HS diploma with 12+ years; in-scope polygraph within last 7 years.
Selenium, Test automation, Command line, Backend testing, Testing scripts
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Principal Engineer II - Software
Germantown, Maryland, United States
$162k/yr OnsiteFull Time
EchoStar
EchoStarNasdaq: SATS: Global provider of satellite solutions and wireless communications services.
7+ YOEBachelor's in CS or related plus 7+ years software development; 7 years experience with Java, Node.js, Springboot, J2EE, Oracle PL/SQL, BPM, DevSecOps/CI/CD, test automation, API gateways, GCP, messaging and microservices in OSS/BSS domain.
Java, Node.js, Springboot, J2EE, Oracle PL/SQL, BPM, DevSecOps, CICD, JMeter, JUnit, APIGEE, NGINX, Kong, Swagger, GCP, Google Cloud Pub/Sub, Apache Kafka, JBoss FUSE, JBoss EAP
2mo
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Software Systems Engineer
Sterling, Virginia, United States
$79k-$163k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOETop Secret clearance required; 5+ years systems engineering experience; bachelor’s in related field (or 5 additional years SE experience); experience across SELC, SDLC, integration, testing, agile, and DevSecOps; experience with JIRA and CDRL generation.
JIRA, Mingle, Cameo Systems Modeler, DevSecOps, UML, SysML, Model-Based Systems Engineering (MBSE), DSP, RF