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# Test Engineer Active Secret Clearance

- **Company:** Addison Group
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Salary:** $124,800.0 - $128,960.0
- **Contract:** Temporary to permanent
- **Skills:** Testing (Software), Application Programming Interfaces (APIs), Agile Methodology, Software Suite, User Authentication, Automation of Tests, Behavior-Driven Development, Cyber Security, Information Systems, Continuous Delivery, Continuous Integration, Microsoft Exchange Server, Internet Security, Interoperability, Junit, Scrum Methodology, Regression Testing, Selenium, Software Testing Automation Framework, System Testing, Test Case, Strategies of Testing, Scripting, Enterprise Software Applications, Performance Testing, Software Verification, Cypress (Programming Language), Reliability of Systems, Scalability Testing, SC Clearance, Specflow, Gitlab-ci, Gherkin, Integration Tests, Cucumber (Software)
- **Published:** October 7, 2026
- **Apply:** https://www.careerbuilder.com/job-details/sr-test-engineer-active-secret-clearance-onsite-washington-d-c-washington-dc--9582b582-b074-4684-afd0-c308d48c4e42

## About the Role

Work Authorization: Must be authorized to work in the United States with an active secrete clearance, · Experience: 8+ years of experience in software/system testing, with a focus on DoD enterprise applications.

· Location: Onsite at Contractor Facility in DC

· Expertise in test automation frameworks (Selenium, JUnit, Cypress, Robot Framework, etc.).

· Experience designing and executing BDD test cases using Gherkin (Given-When-Then format).

· Strong understanding of CI/CD pipeline integration for test automation.

· Ability to lead test planning, execution, and reporting, ensuring compliance with DoD mission objectives.

Test Strategy & Leadership, Acceptance Testing, Access Control, Agile Programming Methodologies, Application Programming Interface (API), Authentication, Automation, Behavior Driven Development (BDD), Best Practices, Computer Security, Consulting, Continuous Deployment/Delivery, Continuous Integration, Cryptography, Defense Information Systems Agency (DISA), Enterprise Applications, Functional Testing, High Reliability, Integration Testing, Internet Security, Interoperability Testing, JUnit, Leadership, Maintain Compliance, Mentoring, Microsoft Exchange Server, Operations Security (OPSEC), Quality Assurance Methodology, Regression Testing, Scripting (Scripting Languages), Secret Clearance, Selenium, Software Testing, Sprint Planning, System Test, System Validation, Systems Reliability, Team Player, Test Automation, Test Case, Test Plan/Schedule, Test Scenario, Test Strategy, Testing, United States Department of Defense (DoD), Validation Testing

## Description

Addison Group is looking for a Senior Test Engineer who will be supporting our federal client that's partnering with Defense Information Systems Agency (DISA). This person will lead test strategies, automation, and performance validation efforts for Spectrum XXI software suite, ensuring compliance with DoD cybersecurity, performance, and operational requirements. The engineer will oversee test automation, RMF compliance validation, and software verification processes, ensuring high system reliability and security., · Define and manage test plans, scenarios, and scripts to align with DoD spectrum management workflows coordinated with Spectrum Manager SMEs.

· Lead end-to-end system validation efforts, ensuring all SXXI updates pass UAT, regression, and integration testing.

· Oversee performance and scalability testing, ensuring SXXI can support 4,000-10,000 frequency assignment transactions per month, as outlined in the PWS.

Automation & CI/CD Pipeline Optimization

· Architect and implement enterprise-wide automated testing solutions integrated into GitLab CI/CD pipelines.

· Develop automated API test cases ensuring interoperability between SXXI, NTIA, and DISA systems.

· Utilize BDD frameworks (Cucumber, SpecFlow, Behave) to enhance test automation coverage.

Cybersecurity Testing Responsibilities

· Ensure test automation validates system authentication, access control, and encryption functionality as part of functional security testing.

· Work with cybersecurity teams to ensure system security test cases align with DoD operational security needs.

Stakeholder Engagement & Mentorship

· Serve as the primary test lead for SXXI software releases, coordinating with development and cybersecurity teams.

· Provide mentorship to Mid-Level Test Engineers, ensuring best practices in test automation and system validation.

· Participate in Technical Exchange Meetings (TEMs), Agile sprint planning, and PWS compliance discussions.

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.