Test Engineer Sr Principal; TS​/SCI Poly

About the Role

GCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high‑value mission solutions while effectively leverage the technological expertise of our valued workforce to meet critical mission requirements in the areas of Data Analytics and Software Development, Engineering, Targeting and Analysis, Operations, Training, and Cyber Operations. We maximize opportunities for success by building and maintaining trusted and reliable partnerships with our customers and industry.

As a Software Engineer‑Tester, your typical day involves full‑life cycle software integration and testing, and may include design, develop, code, test, and debug complex new software products and platforms or enhancements to existing software.

• Bachelor’s Degree in Computer Science, Electrical or Computer Engineering or a related technical discipline or the equivalent combination of education, technical training, or work/military experience.
• Minimum of ten years of related software automated and manual test experience.

• Proficient in developing, writing, and executing test cases, test scenarios, and system documentation.
• Strong familiarity with test automation tools and frameworks.
• Familiarity with version control systems including Git and release management experience.
• Capable of delivering on multiple competing priorities with little supervision.
• Excellent verbal and written communication skills.
• Capable of providing deployment support.
• Ability to discern requirements from customer and technical exchange meetings.

• Experience with JIRA to capture and document features, bugs, and system issues.
• Hands‑on experience with multiple programming languages such as Java, JavaScript.
• Certification in software testing (e.g., CAST, ISTQB, CSTE, CMST).

• Provide test support for maintenance and enhancement releases that support existing systems and platforms.
• Design, develop, and maintain automated test scripts and frameworks to streamline testing processes and increase test coverage.
• Execute manual testing procedures to identify defects, validate functionality, and ensure compliance with specifications.
• Conduct regression testing to ensure that software changes have not adversely affected existing functionality.
• Perform exploratory testing to uncover potential issues and improve overall product quality.
• Analyze test results and provide clear and concise reports on testing progress, defects, and overall product quality.
• Work closely with developers to isolate, reproduce, and debug issues found during testing.
• Continuously improve testing strategies, tools, and processes to enhance efficiency and effectiveness.
• Troubleshoot support of complex problems and provide customer support for software systems and application issues.
• Work alongside other developers, data scientists, analysts, and engineers on the team to sustain and advance our organization’s capabilities.
• Provide recommendations for continuous improvement.
• Candidate must be a US Citizen and requires an active/current TS/SCI with Polygraph clearance.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans.