DHS Certified Trusted 508 Tester

Company: DT Professional Services
Location: Arlington
Posted on: April 1, 2026

Job Description:

Job Summary: DT Professionals is seeking a DHS Certified Trusted 508 Tester to join our team in a remote capacity. This role will be responsible for evaluating digital products and information and communication technology (ICT) to ensure compliance with the Revised Section 508 Standards and applicable Web Content Accessibility Guidelines (WCAG). The tester performs manual and automated accessibility testing of websites, web applications, software, and digital documents. This role identifies accessibility defects, documents findings, prepares accessibility conformance reports, and collaborates with development and design teams to ensure accessible and compliant digital experiences. Responsibilities: Conduct accessibility testing using established methodologies including the DHS Trusted Tester Process. Evaluate websites, web applications, software, and digital documents for compliance with Revised Section 508 Standards and WCAG requirements. Perform manual accessibility testing including keyboard-only navigation, code inspection, and usability validation. Use automated accessibility testing tools to identify potential compliance issues. Test digital products using assistive technologies such as screen readers, screen magnifiers, and voice input software when applicable. Document accessibility issues and defects with detailed test results and remediation recommendations. Prepare and review Accessibility Conformance Reports (ACRs) and Voluntary Product Accessibility Templates (VPATs). Collaborate with developers, designers, QA teams, and project stakeholders to resolve accessibility issues. Validate remediation efforts and perform regression testing to confirm compliance. Provide guidance on accessibility best practices during design, development, and testing phases. Maintain awareness of federal accessibility policies, standards, and emerging WCAG requirements. Minimum Qualifications: Active Secret Clearance. Deep understanding of the Revised Section 508 Standards and WCAG 2.0 Level AA accessibility requirements. Proficiency testing WCAG 2.2 Level AA success criteria when applicable. Proficiency with manual accessibility testing procedures including keyboard-only navigation and code review. Experience testing digital products such as websites, applications, and documents for accessibility compliance. Familiarity with assistive technologies including screen readers, screen magnifiers, and voice dictation software such as JAWS, NVDA, VoiceOver, ZoomText, or similar tools when applicable. Familiarity with accessibility testing tools including manual inspection tools such as Accessibility Name and Description Inspector (ANDI) and automated testing tools such as Axe, WAVE, Accessibility Insights, or similar tools. Expertise in evaluating and creating Accessibility Conformance Reports (ACRs) and VPAT documentation. Ability to document and interpret test results and advise development teams on remediation techniques. Strong analytical, communication, and interpersonal skills working with both technical and non-technical staff. Experience using browser developer tools to inspect HTML, CSS, and ARIA attributes and working with issue tracking tools such as Jira or similar platforms. Preferred Qualifications (Not Required): Familiarity with federal ICT accessibility policy and governance including Federal Acquisition Regulation (FAR) accessibility requirements, the 21st Century Integrated Digital Experience Act (IDEA), and relevant Office of Management and Budget memoranda. DHS Section 508 Trusted Tester Certification (Trusted Tester version 5 or newer). Additional professional certifications such as IAAP CPACC, WAS, CPWA, or Certified Scrum Master. Experience working within Agile, DevSecOps, or CI/CD development environments. Experience training teams on ICT accessibility standards and best practices. Expertise in remediating digital documents including PDF, Microsoft Word, PowerPoint, and Excel. More about DT Professional Services: We’re looking for driven individuals to contribute to our talented & innovative team! At DT Professional Services, we offer insurance benefits that include medical, dental, and vision coverage, life insurance, long & short-term disability, 401(k) retirement plans (with employer match), tuition & certificate reimbursement, along with paid time off (vacation/sick/holidays). We are happy to to offer growth opportunities for you to grow in your career - your success is our success! DT Professional Services is a HUBZone certified Small Business; highly experienced in building award-winning custom software solutions. Established in 2013, we bring over a decade of experience delivering technology services and solutions that specialize in web & custom application development, project & program management, mobile & cloud computing services. Our Mission is to provide cutting-edge, customer-oriented technology solutions that maximize value, drive engagement, and empower your business. We do this by employing talented & driven individuals who share the same goals and excitement for the work we do. DT Professional Services believes in fostering collaboration, career growth and building lasting relationships with our employees.

Keywords: DT Professional Services, Arlington , DHS Certified Trusted 508 Tester, IT / Software / Systems , Arlington, Virginia