Senior Test Automation Engineer

Leidos has a new and exciting opportunity for a **Senior Test Automation Engineer** in our **Intelligence Sector's Cyber & Analytics Business Area (CABA)**. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At **Leidos**, we offer **competitive benefits**, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. **Join us and make a difference in National Security!** 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. **KEY RESPONSIBILITIES** - 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. **REQUIRED QUALIFICATIONS** - 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…