Systems Test Engineering, Senior

Job Description Join NS2 Mission and help ensure the quality, reliability, and performance of mission-critical software solutions supporting the Intelligence Community. Our team is looking for a Senior Test Engineer to join them in the Northern Virginia area . You'll play a key role in validating enterprise applications, improving testing processes, and supporting the delivery of high-quality software across complex mission environments.

Working closely with software developers, systems engineers, and program stakeholders, you'll develop and execute test strategies, identify defects, and help drive continuous improvements in software quality. Develop, execute, and maintain software test plans, test cases, and test procedures to validate application functionality and performance.

Identify, document, track, and assist in resolving software defects and system issues.

Support quality assurance activities throughout the software development lifecycle, ensuring compliance with established standards, processes, and best practices.

Participate in formal and informal reviews of software requirements, designs, test plans, and system implementations.

Evaluate software, hardware, and supporting documentation to verify functionality, usability, and operational readiness.

Collaborate with developers, systems engineers, and stakeholders to identify testing requirements and validate system capabilities.

Contribute to the development and execution of automated testing solutions that improve test coverage and efficiency.

Support regression, integration, functional, and user acceptance testing activities.

Utilize tools such as GitHub, Jira, and Confluence to support testing efforts, defect tracking, documentation, and team collaboration.

Assist in the continuous improvement of testing processes, frameworks, and quality assurance methodologies.

Bachelor's degree in Computer Science, Information Systems, Software Engineering, or a related technical discipline (or equivalent combination of education and experience).

Experience supporting software testing, quality assurance, or test engineering activities.

Strong understanding of software development lifecycles (SDLC) and quality assurance best practices.

Experience testing web-based applications developed using Java, J2EE, or similar technologies.

Experience with automated testing tools such as Selenium WebDriver or comparable test automation frameworks.

Familiarity with Agile software development methodologies.

Experience supporting enterprise software applications within government or Intelligence Community environments.

Knowledge of continuous integration and automated testing practices.

S security clearance which requires U.We win with inclusion

NS2 Mission’s culture of inclusion, focus on health and well-being, and flexible working models help ensure that everyone – regardless of background – feels included and can run at their best. At NS2 Mission, we believe we are made stronger by the unique capabilities and qualities that each person brings to our company, and we invest in our employees to inspire confidence and help everyone realize their full potential. NS2 Mission is committed to the values of Equal Employment Opportunity and provides accessibility accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for employment with NS2 Mission and are in need of accommodation or special assistance to navigate our website or to complete your application, please send an e-mail with your request to Recruiting Operations Team: NS2Mission.Qualified applicants will receive consideration for employment without regard to their age, race, religion, national origin, ethnicity, age, gender (including pregnancy, childbirth, et al), sexual orientation, gender identity or expression, protected veteran status, or disability, in compliance with applicable federal, state, and local legal requirements.