Job Description:Leidos is seeking a Tester to join a team on a high-profile dynamic project located in Reston, VA. Candidates must possess an active TS/SCI with Polygraph Security Clearance in order to be considered.The Tester will be responsible for testing all aspects of the application including setting up use case testing, regression testing, designing and running test scenarios, ensure all requirements/user stories are built as designed, assisting with writing test plans as well as detecting, tracking, reporting, and communicating any test defects. Tester may be asked to create tests for ad hoc situations such as replicating user reported problems under specific conditions. The Tester will be responsible for assisting with moving the team towards Test Driven Development principles and effectively ensure the team at large has a full understanding of testing principles.Mandatory Skills:- Requires BS degree and 8 - 12 years of prior relevant experience or Masters with 6 - 10 years of prior relevant experience. May possess a Doctorate in technical domain.-Experience with manually testing of web-based applications (eg Java, J2EE, JSP, technologies, including EJBs and Web Services)- Experience with detecting, tracking, reporting, and communicating any test defects effectively.Desired Skills- Experience with agile development methodologies and test driven development- Experience with supporting Help Desks- Test automation- Strong oral and written communication skills