Sr. Software Test Engineer (Hybrid Remote - TS/SCI Poly)

Responsibilities: Develop and execute comprehensive test plans, test cases, regression tests, and acceptance test procedures. Perform UI validation, cross-browser testing, accessibility testing, and user experience verification. Review application, database, and server logs to identify and troubleshoot defects. Execute API testing and database validation using SQL. Support system installation, configuration, integration, and environment buildout activities. Manage defects throughout the testing lifecycle and coordinate issue resolution activities. Validate compliance with federal cybersecurity requirements and Section 508/WCAG accessibility standards. Develop and maintain automated UI testing frameworks. Integrate automated test suites into GitLab CI/CD pipelines. Collaborate with developers, business analysts, infrastructure teams, and security personnel to ensure quality across all environments. Prepare testing documentation, reports, and recommendations for stakeholders and leadership. Qualifications: 18+ years of experience in software testing, quality assurance, systems engineering, or related technical disciplines. Strong experience performing functional, integration, and regression testing of enterprise web applications. Expertise in UI testing, accessibility validation, and cross-browser testing. Experience troubleshooting application failures through backend log analysis. Strong SQL skills for database validation and testing activities. Experience supporting system installations, upgrades, integrations, and environment builds. Strong documentation, analytical, and problem-solving skills. Experience working in highly regulated or secure government environments. Clearance Requirement Active TS/SCI Clearance with CI Polygraph required. Preferred Experience with Apache Tomcat, Oracle 19c, Apache Solr, and SAP Business Intelligence platforms. Knowledge of Windows Server environments. Experience testing RESTful APIs and search platforms. Experience developing and maintaining automated testing frameworks. Familiarity with GitLab CI/CD and DevSecOps practices. Experience supporting federal modernization or enterprise migration programs.