> Markdown version of [/jobs/ext/3056028-software-test-engineer-iii](https://www.wearedevelopers.com/jobs/ext/3056028-software-test-engineer-iii). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Test Engineer III - **Company:** Iquasar, LLC. - **Location:** Sterling, VA, United States (Remote available) - **Contract:** Permanent contract - **Skills:** Adobe Analytics, Testing (Software), Java (Programming Language), JIRA, Automation of Tests, Bioinformatics, Code Coverage, Software Quality, Continuous Integration, Identity and Access Management, Load Testing, MySQL, Public Key Infrastructure, Software Maintenance, Systems Development Life Cycle, Security Software, Selenium, SonarQube, Software Quality Assurance (SQA), Web Content Accessibility Guidelines, Web Applications, Test Scripts, Lasttests, Containerization, AngularJS, Github Enterprise, Tenable Nessus, Devsecops, Jenkins - **Published:** September 24, 2026 - **Apply:** https://www.wayup.com/i-j-Software-Test-Engineer-III-IQUASAR-LLC-542940673082663/ ## About the Role Experience performing software quality assurance throughout the SDLC. Experience combining automated testing with structured manual testing. Experience developing and maintaining software test plans, scripts, cases, and results. Experience testing software in non-production environments before release. Experience with Selenium or a comparable automated functional testing tool. Experience with Jenkins or comparable CI/CD pipeline tooling. Experience with SonarQube or comparable code-quality/security-scanning tools. Experience with functional, regression, integration, and release testing. Experience validating Section 508 or accessibility requirements for software releases. Ability to obtain and maintain favorable DHS EOD, suitability, and required system access. Preferred Qualification: Current DHS Trusted Tester certification. Experience with WCAG 2.0 Level A and AA criteria. Experience conducting performance or load testing for enterprise web applications. Prior DHS, or other federal civilian testing experience. Experience testing ICAM, IAM, SSO, PIV, PKI, PAM, access-management, or cybersecurity applications. Experience with Jira, GitHub Enterprise, Java/Spring applications, Angular applications, MySQL, or containerized environments. Experience supporting automated security, accessibility, and coverage gates in a federal DevSecOps pipeline. iQuasar LLC is a proud partner of the Military Spouse Employment Partnership (MSEP) and the Virginia Values Veterans (V3) Program, reflecting our strong commitment to supporting military spouses, veterans, and inclusive hiring practices. We are an Equal Opportunity Employer and do not discriminate based on race, religion, color, national origin, political affiliation, sex, sexual orientation, gender identity, age, marital/parental/veteran status, disability, genetic information, membership in an employee organization, retaliation, military service, non-merit factors, or any other characteristics protected by applicable law. ## Description Role Specific Duties/ Role Responsibilities: Plan and perform quality assurance activities across the full SDLC. Validate application changes in development, test, staging, or other non-production environments before production promotion. Develop and maintain automated and manual test cases, scripts, suites, data, and evidence. Integrate automated testing into CI/CD pipelines. Maintain or support testing and quality gates using Selenium, SonarQube, Jenkins, and related tools. Validate functional requirements and user-story acceptance criteria. Perform or coordinate regression, integration, system, performance, and release testing. Validate Section 508 conformance for releases containing applicable ICT or user-interface functionality. Identify defects, document reproducible results, and work with engineers through resolution and retesting. Review security scan and code-quality results as part of release readiness. Monitor test coverage and recommend improvements to automated testing. Support User Acceptance Testing when required by the federal customer. Produce test plans, test scripts, test results, defect evidence, and release-quality documentation. Support production incident analysis by validating fixes and regression impacts