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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Test Automation Engineer - **Company:** CareerCircle - **Location:** Hanover, MD, United States - **Experience:** Expert - **Salary:** $116,350.0 - $210,325.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), Agile Methodology, Amazon Web Services, Confluence, User Authentication, Automation of Tests, Bash Shell, Big Data, CentOS, Command-Line Interface, Configuration Management, Software Quality, Signals Intelligence, Databases, Computer Engineering, Continuous Delivery, Continuous Integration, Database Queries, Software Debugging, Linux, DevOps, Github, Graphical User Interface, Junit, Python (Programming Language), Key Management, Linux Commands, Microsoft UI Automation, Parsing, Scrum Methodology, Regression Testing, Selenium, SoapUI, Software Engineering, SQL Databases, Systems Integration, Test Case, Test Data, Test Execution Engine, Management of Software Versions, Web Applications, Extensible Markup Language (XML), Scripting, Computer Network Operations, Performance Testing, Parallel Computation, Gitlab, Pytest, Containerization, Gitlab-ci, Information Technology, Playwright, Restful APIs, Software Performance, Software Version Control, Data Pipelines, Api Management, Docker, Katalon Studio, Jenkins - **Published:** July 19, 2026 - **Apply:** https://www.careercircle.com/jobs/all/all/usa/md/columbia/0c63c7ce-2d54-4a98-a7d8-5d51f276f8f7 ## About the Role * Bachelors Degree in a related technical field of study and 12 or more years of related experience. Candidates without bachelors degrees will require additional years of experience and will be considered on a case by case basis. * Strong experience with Linux and Bash shell scripting, with demonstrated ability to work effectively from the command-line and process/report on large data sets (logs, test artifacts, results). * Advanced experience building test automation in Python, including Pytest-based frameworks and best practices for maintainable automated testing. * Strong hands-on experience with Docker (or Podman) including building, versioning, and maintaining images used in automation and CI/CD workflows. * Working knowledge of Jenkins and GitLab pipelines, including running containerized workloads and managing automated test stages. * Experience with REST API testing, including validation of responses, authentication flows, and negative/error-path testing. * Familiarity with Robot Framework UI automation using Selenium library (Python). * Solid understanding of how to architect a test automation harness/framework for UI and/or API testing (test structure , configuration, reporting, environment management). * Familiarity with SQL and tools such as SQL Developer, including writing queries and using them within automated validation steps. * Security Clearance Requirement: Active TS/SCI with polygraph, * Experience planning and executing test automation framework migrations (e.g., Robot Framework to Microsoft Playwright or Robot Framework AIO). * Experience improving CI performance, parallelization, and test execution efficiency in containerized environments. * Strong debugging skills across services, CI logs, containers, and test reporting outputs., 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 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 CI/CD Gitlab Tooling Jenkins Parsing Planning Equities Debugging Scripting Pipelines Automation Purchasing Upskilling Scalability Reliability Market Data RESTful API API Testing Cryptography GitLab CI/CD Test Harness Linux Commands Test Automation Authentications Robot Framework Ancient History Safety Assurance Web Applications Docker (Software) Analytical Method Selenium (Software) Software Versioning Time Off Management Security Engineering Signals Intelligence Test Data Generation Test Execution Engine Command-Line Interface Environment Management Microsoft UI Automation Bash (Scripting Language) SQL (Programming Language) Computer Network Operations Python (Programming Language) Playwright (Software Testing) Continuous Improvement Process Top Secret-Sensitive Compartmented Information (TS/SCI Clearance), We are seeking a Senior Test Automation Engineer to design, build, and maintain automated test solutions for both REST APIs and web-based user interfaces. This role requires hands-on expertise in Linux command-line tools, Python automation, containerized test execution using Docker/Podman, and CI/CD integration with Jenkins and GitLab. The successful candidate will also help evolve our in-house automation framework by planning and executing the migration from legacy Robot Framework implementations to newer automation platforms., * Develop, maintain, and enhance automated test suites for back-end REST APIs and web-based user interfaces. * Build and maintain a scalable, reliable test automation harness (framework) including execution, reporting, data setup/teardown, and CI/CD integration. * Implement and expand Python-based test automation using Pytest, including fixtures, test data strategies, and robust assertions/validation. * Create and maintain Docker/Podman container images used to run automation consistently across developer environments and CI pipelines. * Integrate automated test execution into Jenkins and GitLab CI/CD pipelines, ensuring repeatable runs, clear reporting, and actionable results. * Use Linx command-line tools and Bash shell scripting to locate, parse, transform, and report on large volumes of logs, test output, and system data. * Support and extend UI automation using Robot Framework and the Python Selenium library, including test stability improvements and best practices. * Collaborate with stakeholders to plan, estimate, and break down work for migrating the current in-house test harness from legacy Robot Framework to a modern alternative (e.g., Robot Framework AIO or Microsoft Playwright). * Write and maintain SQL queries (using SQL Developer or similar tooling) and integrate database validation steps into automated tests were appropriate. * Troubleshoot CI failures and test irregularity/volatility, improve test reliability, and contribute to continuous improvement of the overall QA automation approach., * Builds reliable, maintainable automation that can be executed consistently in CI and local environments. * Produces clear, actionable test reporting and contributes to reducing fickle tests and pipeline noise. * Takes ownership of framework-level improvements, including planning and breaking work into deliverable increments. * Collaborates effectively with engineering and QA stakeholders to ensure automation aligns with product and release needs. conmd cssrc If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares., Linux, Junit CentOS SoapUI Equities Scripting Automation Purchasing Upskilling Market Data RESTful API Cryptography Prioritization Key Management Version Control Test Automation Ancient History Computer Science Software Testing Agile Methodology Quality Assurance Analytical Method Acceptance Testing Regression Testing Time Off Management Security Engineering Software Engineering Computer Engineering Signals Intelligence SQL (Programming Language) Computer Network Operations Extensible Markup Language (XML) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0 Google IT Automation with Python Test Engineer Leidos, Linux Junit DevOps Equities Scripting Pipelines Automation Purchasing Resilience Upskilling Test Tools Market Data Cryptography Test Planning Key Management Data Pipelines Test Automation Ancient History Test Engineering Analytical Method Systems Integration Time Off Management Security Engineering Lifecycle Management Signals Intelligence Bash (Scripting Language) Java (Programming Language) Computer Network Operations Python (Programming Language) Top Secret-Sensitive Compartmented Information (TS/SCI Clearance) +0 Login | JoinContact ## Related Videos - [How to add test automation to your project: The good, the bad, and the ugly](https://www.wearedevelopers.com/videos/1668-how-to-add-test-automation-to-your-project-the-good-the-bad-and-the-ugly) - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Old tools, new tricks](https://www.wearedevelopers.com/videos/1916-old-tools-new-tricks) - [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation) - [From boy scouting to redrawing the landscape](https://www.wearedevelopers.com/videos/1140-from-boy-scouting-to-redrawing-the-landscape) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [13 AI Tools for Developers](https://www.wearedevelopers.com/magazine/302-13-ai-tools-for-developers) - [Got AI ideas but no money? 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