178 senior software testing engineer jobs at 84 companies in Easton, MD
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Software Engineer II (Testing)
Columbia or Annapolis Junction
$190k-$205k/yrOnsiteFull Time
ALEX - Alternative Experts: Provides engineering, data analytics, and logistics services to government.
14+ YOEActive TS/SCI with FSP required; 14 years software engineering experience (6 in testing); test automation in Python; experience with Linux/Unix, C/C++/Java, scripting, integration and performance testing.
Captivation Software: Provides specialized software engineering for the intelligence and defense communities.
15+ YOERequires 15 years of software engineering experience, a computer science bachelor's degree or equivalent experience, Top Secret/SCI clearance with favorable polygraph, C++, Python, Shell, CI/CD, and software testing experience.
Systek: Provides systems engineering and technical assistance for defense agencies.
10+ YOE10 years of DoD software engineering experience (substitutions allowed), active DoD Top Secret/SCI clearance required, Master's preferred in CS/IS/Software Engineering, strong software design, development, and testing skills.
MAG Aerospace: Provides global intelligence, surveillance, and reconnaissance services and training.
10+ YOE10+ years software engineering experience; bachelor’s in CS/SE/EE or equivalent experience; active TS/SCI clearance; US citizenship; experience with full-lifecycle development, hardware-software integration, modeling, and testing.
RiVidium: Provides cybersecurity software and IT services to federal agencies.
10+ YOE10+ years DoD software engineering experience, Master’s degree, active Top Secret/SCI clearance, strong skills in secure software design, testing, deployment, and collaboration with system architects and stakeholders.
Nightwing: Provides advanced cyber and intelligence solutions for national security.
9+ YOE9+ years software development experience (strong in Python or Java), reverse engineering or LLM application development skills, familiarity with EM tooling and testing frameworks, BS in Computer Science or related field.
Python, Java, IDA, Ghidra, x86 Assembly, ARM Assembly, PPC Assembly, Langchain, LangGraph, LangSmith, JUnit, Pytest, gRPC, poetry, gradle, uv
VTG: Provides engineering and digital modernization solutions for national security.
US citizen with TS/SCI with Poly, bachelor’s in engineering or computer science, experience as a software test development engineer, strong C++ skills, Python and Shell scripting, Docker/Kubernetes, CI/CD and automated testing.
Lockheed MartinNYSE: LMT: Designs and manufactures advanced aerospace, defense, and security systems.
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.
FacilityOS: Unified platform for facility safety, security, and operations.
8+ YOE8+ years backend .NET experience with C#, Microsoft SQL Server/T-SQL, unit testing, RESTful services, cloud-native SaaS/PaaS experience, and ability to modernize legacy systems.
.NET Framework, .NET Core, C#, Microsoft SQL Server, T-SQL
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
5+ YOEBS in engineering field, expertise in C++, C, Python, 5+ years developing embedded/test/devops software, CI/CD (GitLab/Bamboo), container/virtualization, test automation and SCM (Git); able to obtain security clearance and U.S. citizenship required.
Baltimore or Virginia or Austin or New York City or North America
FieldFull Time
Sand Technologies: Provides AI software to optimize critical industrial infrastructure.
5+ YOERequires 5+ years of software engineering experience, a computer science or related degree, React and JavaScript, backend systems, APIs, testing, SQL, cloud infrastructure, and distributed data systems experience.
React, JavaScript, AWS, Microsoft Azure, Google Cloud Platform (GCP), Django, Node.js, SQL, CI/CD
Baltimore or Alabama or California or Delaware or Florida or Georgia or Maryland or New Jersey or New York or North Carolina or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or West Virginia or District of Columbia
$121k-$196k/yrRemoteFull Time
Fearless: Digital services firm delivering IT solutions for government agencies.
8+ YOERequires 8+ years in software, platform engineering, or enterprise integration; degree or 4 additional years; RESTful APIs, cloud-native systems, CI/CD, DevSecOps, testing, Agile, and Public Trust eligibility.
EverWatch: Develops software and intelligence systems for government agencies.
8+ YOERequires 8+ years of software engineering experience, TS/SCI clearance with polygraph, and a computer science bachelor's degree or equivalent experience. Must develop, integrate, test, optimize, and lead technical efforts.
Independent Software: Provides software and systems engineering for national security missions.
12+ YOEBachelor’s degree plus 12–14 years of software engineering experience, or equivalent experience; enterprise applications, Java, web services, REST APIs, relational databases, testing, CI/CD, and troubleshooting required.
Bespoke Technologies: Provides technical engineering and data solutions for national security.
8+ YOEBachelor's degree in computer science or equivalent experience; 8+ years with Java and JavaScript, modern development and testing practices; Agile expertise; TS/SCI Poly clearance required.
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
5+ YOETS/SCI with polygraph, Bachelor’s in CS/CE (or equivalent experience), 5+ years software engineering, test automation (Selenium/Bruno/Cypress), API and UAT testing, Linux, GitLab, JIRA, Confluence.
RealmOne: Provides advanced technology services for national security agencies.
15+ YOE15+ years software engineering experience, bachelor’s in computer science (or equivalent), active security clearance with polygraph, C++/Python/Shell experience, CI/CD and testing expertise.
Boeing Intelligence & AnalyticsNYSE: BA: Delivers intelligence, analytics, and cyber solutions for national security.
13+ YOERequires 13 years of software test engineering experience or equivalent education substitution, TS/SCI with in-scope CI polygraph, UI and regression testing, automation, API testing, cloud, cybersecurity, and accessibility standards experience.
AWS, Azure, GitLab, RESTful services, Windows Server, WCAG, Section 508