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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mid-Level Test Engineer - **Company:** Leidos, Inc. - **Location:** St. Louis, MO, United States - **Experience:** Experienced - **Salary:** $87,100.0 - $157,450.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), JavaScript (Programming Language), Agile Methodology, Amazon Web Services, Application Performance Management, JIRA, Automation of Tests, Microsoft Azure, Software Bug Management, Cloud Computing, Software Quality, Continuous Delivery, Continuous Integration, Geospatial Intelligence, GIS Applications, HP Loadrunner, Apache JMeter, Python (Programming Language), OpenShift, Scrum Methodology, E2e Testing, Software Engineering, Software Systems, Scripting, Performance Testing, Postman, Delivery Pipeline, Cypress (Programming Language), Gitlab, Containerization, Information Technology, Playwright, Devsecops, Api Management, Docker, Jenkins - **Published:** September 3, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9045500/mid-level-test-engineer ## About the Role Active Top Secret/SCI with the ability to successfully pass a Polygraph examination., * US citizenship is required per contract. * Bachelor's degree in Computer Science, Engineering, Information Technology or related field and 4-8 years of prior relevant experience or Master's with 2-6 years of prior relevant experience. * 6+ years of software testing or quality engineering experience. * Experience supporting Agile software development programs. * Demonstrated experience creating and executing manual and automated test plans. * Experience with automated testing tools such as Cypress, Playwright, or equivalent. * Experience with API testing using tools such as Postman or REST Assured. * Familiarity with CI/CD tools including Jenkins, GitLab, Azure DevOps, or similar platforms. * Experience with defect management tools such as Jira. * Ability to communicate results and issues to technical and non-technical customer stakeholders., * Experience supporting DoD or Intelligence Community programs. * Familiarity with scripting languages including JavaScript, and Python. * Knowledge of containerized applications using Docker and Kubernetes. * Experience with performance testing tools such as JMeter or LoadRunner. * Familiarity with cloud technologies including AWS, Azure, or OpenShift * Knowledge of DevSecOps pipelines and automated quality assurance practices. * Experience working with modern software delivery environments. * Experience with geospatial applications or GEOINT data. * Certifications such as ISTQB, CASTP, CAST, CSTE, Security+, or similar. #Chinook ## Description Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting an Intelligence Community customer. This is an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial intelligence capabilities that enable critical national security missions. If you're energized by solving complex technical challenges, championing quality throughout the software development lifecycle, and driving continuous improvement in an Agile environment, we'd like to hear from you. As a Mid-Level Test Engineer, you will play a key role in ensuring the delivery of reliable, secure, and high-performing software solutions. You'll work as an integral member of a cross-functional Agile Scrum Team, developing and executing comprehensive test strategies that support rapid, iterative delivery while maintaining exceptional quality standards. This role is ideal for someone who thrives in a collaborative DevSecOps environment and enjoys automating testing, and improving processes., * Lead planning, design, development, and execution of comprehensive test strategies across multiple Agile sprints. * Design, develop, and maintain automated and manual test cases for new and existing capabilities. * Collaborate daily with software engineers, product managers, system engineers, and Scrum Masters to define acceptance criteria and ensure quality is built into every release. * Perform functional, integration, regression, system, and end-to-end testing. * Validate application performance, reliability, security, and usability. * Identify, document, prioritize, and track software defects through resolution. * Support Continuous Integration/Continuous Delivery (CI/CD) pipelines by integrating automated testing into deployment workflows. * Analyze test results, communicate risks, and provide recommendations that improve software quality. * Contribute to continuous process improvement initiatives that enhance Agile team effectiveness. ## Related Videos - [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) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [WeAreDevelopers LIVE - Modern DevOps for IoT Devices and More](https://www.wearedevelopers.com/videos/1805-wearedevelopers-live-modern-devops-for-iot-devices-and-more) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Enabling automated 1-click customer deployments with built-in quality and security](https://www.wearedevelopers.com/videos/83-enabling-automated-1-click-customer-deployments-with-built-in-quality-and-security) - [Are Code Reviews Worth It? Insights from 16 Years of Review Data](https://www.wearedevelopers.com/videos/1135-are-code-reviews-worth-it-insights-from-16-years-of-review-data) ## 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) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)