> Markdown version of [/jobs/ext/2966736-test-engineer](https://www.wearedevelopers.com/jobs/ext/2966736-test-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Test Engineer - **Company:** CareerCircle - **Location:** Fairfax, VA, United States - **Experience:** Expert - **Salary:** $208,000.0 - $239,200.0 - **Contract:** Temporary contract - **Skills:** Testing (Software), C (Programming Language), Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Amazon Web Services, Application Performance Management, Systems Engineering, Confluence, JIRA, Automation of Tests, Microsoft Azure, Software Bug Management, C++ (Programming Language), Cloud Computing, Configuration Management, Software Documentation, Software Quality, Collaborative Software, Signals Intelligence, CompTIA Security+, Cyber Security, Continuous Delivery, Continuous Integration, Software Debugging, DevOps, Distributed Systems, Geospatial Intelligence, Github, Graphical User Interface, Hardware Interface Design, Apache JMeter, Python (Programming Language), Key Management, Log Analysis, MATLAB, Microsoft Visio, Scrum Methodology, Regression Testing, Cloud Services, Selenium, Software Engineering, Software Systems, Verification and Validation (Software), SQL Databases, Systems Architecture, System Testing, Test Case, Test Execution Engine, Scripting, Computer Network Operations, Performance Testing, Postman, Software Verification, Gitlab, SC Clearance, Containerization, Gherkin, Information Technology, Playwright, Modeling and Simulation, Bitbucket, Cucumber (Software), Software Performance, Software Version Control, Devsecops, Api Management, Docker, Katalon Studio, Jenkins, Programming Languages - **Published:** September 17, 2026 - **Apply:** https://www.careercircle.com/jobs/all/all/usa/va/fairfax/3834ac49-07a7-4490-b4a4-168c6136edac ## About the Role * Active Top Secret/SCI clearance with the ability to obtain a CI Polygraph. * Experience supporting ground software system verification activities. * Knowledge of Command & Control (C2) and Mission Management (MM) systems. * Strong experience in integration and testing, including planning, execution, and documentation. * Experience with testing tools, automation frameworks, and software verification processes. * Proficiency in Python scripting and automation. * Strong analytical, troubleshooting, and communication skills., * Active TS/SCI with CI Polygraph. * Experience with programming languages such as Python, MATLAB, C, C++, or Java. * Exposure to Model-Based Systems Engineering (MBSE) tools such as Visio and Cameo. * Experience with JIRA, Confluence, Bitbucket, or similar collaboration tools. * Knowledge of Systems Tool Kit (STK) for mission simulation and analysis. * Experience working in Agile development environments. * Familiarity with Gherkin/Cucumber testing frameworks. * Hands-on experience with GitLab or other version control platforms. * Understanding of container technologies such as Docker and Kubernetes. * Experience with AWS cloud services., Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors., DevOps Github Jenkins Planning Equities Test Case Automation Innovation Purchasing User Story Upskilling SAFe Agile Scalability Reliability Market Data Cryptography Key Management Katalon Studio Test Automation Ancient History Test Engineering Agile Methodology Analytical Method Regression Testing Amazon Web Services Selenium (Software) Continuous Delivery Performance Testing Time Off Management Security Engineering Software Development Atlassian Confluence Signals Intelligence Continuous Integration Education and Training Configuration Management Graphical User Interface Agile Software Development Software Quality (SQA/SQC) Java (Programming Language) Computer Network Operations Scrum (Software Development) Software Performance Testing Python (Programming Language) Software Development Life Cycle Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0 Google IT Automation with Python Google Project Management ## Description Gitlab Planning Debugging Scripting Bitbucket Operations Management Automation Test Tools Simulations Log Analysis Communication Test Planning Version Control Test Automation Microsoft Visio Software Systems Systems Tool Kit Agile Methodology Docker (Software) System Deployment Business Valuation Systems Engineering Amazon Web Services Cucumber (Software) Software Development Systems Architecture Atlassian Confluence Programming Languages Full Stack Development Business Transformation C (Programming Language) C++ (Programming Language) Verification And Validation Gherkin (Scripting Language) Python (Programming Language) Model Based Systems Engineering Troubleshooting (Problem Solving) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance), We are seeking an experienced Systems Integrator to support the integration, verification, and testing of mission-critical ground software systems. This role offers the opportunity to work on advanced space and intelligence-focused programs, collaborating with multidisciplinary engineering teams to ensure successful system deployment and operational readiness., * Support site hardware deployment, integration, checkout, testing, and verification activities. * Perform verification and validation of satellite ground software systems, including Command & Control (C2) and Mission Management (MM) capabilities. * Develop and execute integration and test plans, procedures, and documentation. * Create and maintain automated test scripts using Python and other automation tools. * Analyze system architecture to understand component interactions and identify integration points. * Troubleshoot and resolve complex integration issues through log analysis, debugging, and root cause identification. * Coordinate with software developers, systems engineers, and stakeholders to resolve technical challenges. * Document findings, defects, and corrective actions throughout the testing lifecycle., CI/CD Gitlab Jenkins Planning Equities Scripting DevSecOps Pipelines Automation Innovation Reliability Market Data API Testing Azure DevOps Apache JMeter Prioritization Test Automation Microsoft Azure Ancient History Computer Science Software Testing Test Engineering Agile Methodology Docker (Software) Quality Assurance CompTIA Security+ Defect Management Cloud Technologies Software Solutions Amazon Web Services Continuous Delivery Performance Testing Scripting Languages Software Engineering Software Development Postman API Platform Information Technology Continuous Integration Geospatial Intelligence Containerized Application Agile Software Development Scrum (Software Development) Playwright (Software Testing) Continuous Improvement Process Software Development Life Cycle JavaScript (Programming Language) Application Performance Management Certified Software Test Engineer (CSTE) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) International Software Testing Qualifications Board (ISTQB) Certified +0 Google IT Automation with Python Google Project Management MDS Systems Test Engineer Leidos Washington, DC*On-Site Planning Equities Management Innovation Market Data Test Design Communication Test Planning Cyber Security System Testing Test Automation Software Design Ancient History Scenario Testing Test Engineering Secret Clearance Mission Planning Technical Writing Project Schedules Acceptance Testing Systems Engineering Geospatial Analysis Software Engineering Test Execution Engine Distributed Computing Software Documentation SQL (Programming Language) Verification And Validation System Interface Management Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0 ## Related Videos - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [13 AI Tools for Developers](https://www.wearedevelopers.com/magazine/302-13-ai-tools-for-developers) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)