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Salary
≈ $100k – $196k per year (Estimated)
Location
In office (Annapolis Junction)
Seniority
Senior · 6+ years exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 24, 2026. First seen by Alion on Oct 23, 2026. Base-2 Solutions scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Base-2 Solutions is a woman-owned federal technology contractor headquartered in Arlington, Virginia that delivers secure software, cybersecurity, data, AI, analytics, platform engineering and mission support to federal and national security customers. It holds the SBA WOSB designation and staffs cleared programmes in Bethesda, Annapolis Junction, Hanover, Reston, Washington and Doral, as well as Air Force enterprise IT work in the National Capital Region and Ohio. It hires cleared network, security, systems and platform engineers, HPC and GPU infrastructure engineers, DevOps and software engineers, Elasticsearch and Appian developers and cyber analysts.

LocationAnnapolis Junction, Maryland

Security clearanceTop Secret/SCI with CI Polygraph

EducationHigh school

Experience18 years

Work arrangementHybrid (On-Site and Remote)

Requisition5512

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Position Summary

We are seeking a detail-oriented Senior Software Test Engineer with strong UI testing expertise with backend debugging skills to ensure quality and compliance during the modernization of a critical government information system. The ideal candidate will have extensive experience in functional and regression testing Java-based web applications, with a focus on user interface validation, accessibility compliance, and cross-browser compatibility testing. The candidate should be capable of performing backend troubleshooting-including application log analysis, API validation, and database queries-to isolate defects and provide developers with actionable diagnostic information. You will develop comprehensive test plans and test cases for system upgrades, including Apache Tomcat application servers, Oracle 19c database integrations, Solr cluster interactions, and SAP Business Intelligence reporting interfaces. Strong experience with front end testing with backend debugging skill, Application API testing, and defect tracking systems is essential. You will validate that all system components meet federal cybersecurity requirements and government accessibility standards (Section 508/WCAG) while ensuring a seamless user experience across the modernized platform. Experience testing enterprise applications in Windows Server environments, UI automation frameworks, and familiarity with CI/CD pipelines (GitLab) for automated test execution is highly valued. This role requires excellent analytical skills, meticulous documentation practices, and the ability to collaborate with developers, business analysts, and security teams in a regulated environment.

Essential Duties and Responsibilities

  • Develop comprehensive test plans and test cases for system upgrades and new features
  • Perform functional and regression testing of Java-based web applications
  • Conduct user interface validation and cross-browser compatibility testing
  • Execute manual testing methodologies for complex scenarios
  • Review and debug backend logs
  • Perform API testing for backend services (Apache Solr, RESTful services)
  • Perform database integrity check using SQL queries.
  • Perform system buildout including installation, configuration, and integration.
  • Manage defect tracking systems and coordinate issue resolution
  • Validate compliance with federal cybersecurity requirements
  • Ensure adherence to government accessibility standards (Section 508/WCAG)
  • Test enterprise applications in Windows Server environments
  • Verify security controls and data protection measures
  • Develop and maintain UI automation frameworks for regression testing
  • Integrate automated tests into GitLab CI/CD pipelines
  • Test Apache Tomcat application server deployments and configurations
  • Validate authentication with backend interaction with LDAP service.
  • Validate Oracle 19c database integrations and data flows
  • Verify data migration integrity with application to Solr integration.
  • Test SAP Business Intelligence reporting interfaces and outputs
  • Ensure seamless user experience across the modernized platform
  • Collaborate with developers, business analysts, and security teams
  • Document test results, defects, and quality metrics
  • Provide detailed analytical reports on system quality and readiness

Required Qualifications

  • Ability to Obtain TS/SCI with CI Polygraph clearance which requires US Citizenship
  • Extensive experience performing functional and regression testing of UI web applications
  • Strong UI testing expertise including user interface validation and cross-browser compatibility
  • Experience in backend troubleshooting by reviewing application and server logs to determine the cause of an application failure
  • Proficiency with defect tracking systems
  • Experience writing and executing SQL queries to validate application data
  • Experience performing verification of system buildout including installation, configuration, and integration

Preferred Qualifications

  • Excellent analytical skills and meticulous documentation practices
  • Strong collaboration skills for working with cross-functional teams in regulated environments
  • Knowledge of federal cybersecurity requirements and government accessibility standards (Section 508/WCAG)
  • Familiarity with Windows Server environments
  • Experience testing Apache Tomcat application servers, Oracle 19c databases, and SAP Business Intelligence interfaces
  • API testing experience (Apache Solr, RESTful services)
  • Experience with CI/CD pipelines, preferably GitLab
  • Excellent analytical skills and meticulous documentation practices
  • Strong collaboration skills for working with cross-functional teams in regulated environments
  • An active TS/SCI with Polygraph

Required Education and Experience Equivalency

  • 18 Years of experience in Software or Systems Engineering roles or a highly related field of work with similar scope and responsibilities.
  • A Bachelor's degree may be substituted for 4 years of experience and a Master's Degree may be substituted for 6 years of experience.

Required Security Clearance

  • Must be eligible to obtain a Top Secret/SCI with CI Polygraph; obtained after hire.
  • U.S. citizenship is required

Equal Employment Opportunity

Base-2 Solutions is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), national origin, age, sexual orientation, gender identity, genetic information, protected veteran status, or any other characteristic protected by law, and will not be discriminated against on the basis of disability. Learn more: base-2solutions.com/eeo

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