Tester Engineer; Mid - Master Level FSP

Tester Engineer ( Mid – Master Level) – TS/SCI with Full Scope Polygraph

Xcelerate Solutions is seeking a highly skilled Tester Engineer. This role provides technical expertise with developing and executing automated testing scripts as part of a tailored SAFe Agile Dev Sec Ops  pipeline. This role performs software development to implement scripts, evaluate test results, and implement a feedback loop in a Continuous Integration Continuous Delivery Pipeline. Flexible cross-training to also provide systems engineering, software development, training, security, and testing is also desired.

This role is responsible for technical planning, verification and validation, and fielding. Duties include performing integration, system testing, and quality assurance. This role also requires generating test data in multiple environments.

Top Secret / SCI with Full Scope Polygraph

Bethesda, MD

• Guide and mentor junior and mid-level test engineers, sharing best practices, conducting code reviews, and fostering a culture of quality and continuous improvement.
• Participate in program Agile software development initiatives (standup, planning, increment planning) to support innovation and enhancement of custom applications through iteration/functionality testing within a commercial cloud environment.
• Participate and collaborate with team members to assess StoryPoint/complexity efforts (using best practices) to ensure proper testing and delivery of functionality per User Story Acceptance Criteria
• Collaborate with team members (Scrum Master, Product Owner, Software Developers) to develop test approaches with emphasis on automation of recurring/regression test cases through selected toolsets
• Develop automated test cases using knowledge of custom Applications through designated GUI/COTS products (ex: Selenium and Katalon Studio)
• Leverage Dev Ops practices to ensure repeatability and Configuration Management of test cases/scripts are maintained and continuously improved
• Develop and document end-to-end functionality test case narratives using task management system (JIRA/Confluence) and support performance testing/evaluation activities using tools such as Jmeter

• Significant experience in software quality assurance with a significant focus on automation testing.
• Significant experience with creation, authoring, execution and documentation of test cases/result sets for software products in an agile cadence.
• General understanding and hands‑on experience in designing and implementing robust automation frameworks using tools like Selenium or Katalon Studio.
• Strong programming skills in languages such as Java or Python enabling the ability to write efficient and scalable test scripts.
• Significant experience with CI/CD tools (e.g., Jenkins, Git Hub) and their integration with automated tests.
• Direct experience with software performance testing practices.
• Significant experience working/testing within Commercial Cloud Platforms (ex: AWS) and Dev Ops tools, and working in a SAFe Agile and Dev Ops development environment.
• Demonstrated ability to work within collaborative environment to execute test cases complimentary to development efforts.
• Master Level - Bachelor’s degree with 12–15 years of relevant experience, or Master’s degree with 10–14 years of relevant experience. Mid Level candidates should possess 2–8 years of relevant experience, or Master’s degree 2-4 years of relevant experience. Will consider experience in lieu of a degree.
• Candidate must have an active TS/SCI with Polygraph.

• Hands‑on experience with Katalon Studio and Katalon Runtime Engine.
• Experience reviewing output of CI/CD jobs and capable of tracking test failures back to code changes that resulted in bugs.
• Capable of reviewing code check-ins to understand the impact of code changes on system functionality and potential application bugs.

Xcelerate Solutions is an Equal Employment Opportunity/Affirmative Action Employer. We evaluate qualified applicants without regard to race, color, national origin, religion, age, equal pay, disability, veteran status, sex, sexual orientation, gender identity, genetic information, or expression of another protected characteristic. As part of this commitment to the full inclusion of all qualified individuals, Xcelerate provides reasonable accommodations if needed because of an applicant's or an employee's disability.