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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Automation Test Engineer (SDET) - **Company:** S2ALLIANCE INC. - **Location:** Ashburn, VA, United States - **Experience:** Expert - **Salary:** $110,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Amazon Web Services, JIRA, Automation of Tests, Microsoft Azure, Behavior-Driven Development, Code Coverage, Continuous Delivery, Continuous Integration, DevOps, Github, Apache JMeter, Junit, Python (Programming Language), Systems Development Life Cycle, Selenium, Strategies of Testing, Testng, Performance Testing, Test-Driven Development (TDD), Postman, Test Scripts, Gatling, Git, Pytest, Containerization, Git Flow, Integration Tests, Kubernetes, Information Technology, Restful APIs, Cucumber (Software), Selenium Webdriver, Atlassian Bamboo, Docker, Testrail, SDET, Jenkins - **Published:** June 22, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=5fd84d1a311a09a2 ## About the Role Do you have experience in Selenium?, Do you have a Bachelor's degree?, S2Alliance supports U.S. Customs and Border Protection (CBP) in managing the secure flow of people, goods, and information across U.S. borders. As part of this critical mission, we seek a Senior Automation Test Engineer (SDET) with strong experience in Selenium, Cucumber, and proficiency in Java or Python to ensure the delivery of robust, reliable, and secure software systems. This role involves designing and executing automated test frameworks, collaborating with developers and DevOps teams, and contributing to the continuous delivery of modern, scalable applications. The ideal candidate will bring 8+ years of automation testing experience, a deep understanding of quality engineering principles, and a proactive approach to problem-solving in mission-critical environments., Bachelor's degree in Computer Science, Engineering, or a related technical field., · 8+ years of experience in test automation and quality engineering. · Strong experience in Selenium WebDriver and Cucumber BDD. · Proficiency in Java or Python for automation development. · Experience with test frameworks like TestNG, JUnit, or Pytest. · Working knowledge of REST API testing tools (e.g., Postman, REST Assured). · Familiarity with Git and branching strategies. · Strong understanding of SDLC, STLC, and Agile methodologies. · Hands-on experience with CI/CD tools (e.g., Jenkins, GitHub Actions, Bamboo). · Solid experience with test management tools like JIRA, Zephyr, or TestRail. · Familiarity with containerized environments (e.g., Docker, Kubernetes) is a plus. Desired Skills: · Experience in performance testing (e.g., JMeter, Gatling). · Experience working with cloud platforms such as AWS, GCP, or Azure. · Knowledge of security and accessibility testing practices. · Experience with behavior-driven development (BDD) and test-driven development (TDD). Clearance Requirement: Selected applicants must be U.S. Citizens and able to obtain and maintain a CBP Background Investigation. ## Description · Design and implement automated test frameworks using Serenity/Selenium and Cucumber. · Develop, execute, and maintain robust test scripts in Java or Python. · Collaborate with developers, DevOps engineers, and business analysts to understand requirements and test criteria. · Perform integration, regression, smoke, and performance testing across multiple environments. · Continuously improve test strategies and frameworks for maintainability and scalability. · Participate in Agile ceremonies and provide input on user story acceptance criteria. · Identify, document, and track software defects and validate resolutions. · Ensure comprehensive test coverage across all levels of testing: unit, integration, system, and acceptance. · Support CI/CD pipeline test integration using tools such as Jenkins, Bamboo, or GitHub Actions. · Produce clear and concise test reports and metrics for management and stakeholders. ## Related Videos - [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) - [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) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Integration And E2E Testing: Are They Complementary or Interchangeable?](https://www.wearedevelopers.com/magazine/86-integration-and-e2e-testing-are-they-complementary-or-interchangeable) - [Now is the time for industrialized software development](https://www.wearedevelopers.com/magazine/601-now-is-the-time-for-industrialized-software-development) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer)