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JOB DETAILS

Senior Section 508 Tester

CompanyArcsource Group Inc
LocationColumbia
Work ModeRemote
PostedSeptember 27, 2026
About The Company
At ArcSource, we strengthen the operational backbone behind federal mission systems. Modernization programs don’t fail from lack of vision. They stall under compliance friction, governance gaps, accessibility breakdowns and workflow inefficiencies. We help agencies (and primes) embed the discipline required for sustainable, defensible delivery. Military Medical Readiness & Disability Evaluation Support - We support policy-integrated workflows that determine service member deployability. By strengthening disability evaluation systems and reducing administrative bottlenecks, we help improve force readiness in highly regulated environments. Digital Accessibility & Section 508 Operationalization - Digital accessibility is inseparable from mission delivery. If citizens, service members, or government personnel cannot access systems, the mission loses momentum. We embed accessibility into acquisition strategy, development lifecycles, and content workflows, moving agencies from reactive remediation to repeatable maturity. Workforce Capability & Governance Maturity - Sustainable compliance requires internal capability. We help agencies build repeatable processes, strengthen acquisition language, implement performance tracking, and upskill teams — reducing long-term dependency on external remediation. Application & Modernization Support - We stabilize delivery environments so programs remain compliant and audit-ready. Our teams bring requirements clarity, configuration management rigor, testing discipline, traceability, and structured reporting. This ensures systems withstand operational and regulatory scrutiny. ArcSource partners where mission systems intersect with regulatory complexity, ensuring modernization efforts are not only deployed, but durable.
About the Role

ArcSource Group, Inc. is an award-winning, woman-owned small business providing program and project management, business optimization, training development and delivery, digital accessibility, administrative, and information technology support services to federal civilian and defense customers for more than 20 years. ArcSource combines agile project management expertise and technical skills with innovative, effective solutions to help our customers achieve mission objectives. ArcSource’s commitment to delivering high-quality services is demonstrated through its appraised processes and ISO certifications for quality and IT management.

We are seeking a Senior Section 508 Tester to support the HHS and Office of the Secretary Digital Accessibility Program Services. This position will serve as a senior Digital Accessibility Subject Matter Expert, responsible for complex ICT accessibility testing, defect analysis, remediation guidance, quality assurance, web crawler calibration, technical assistance, and accessibility conformance reporting. The Senior Section 508 Tester will also provide technical leadership and guidance to other accessibility personnel.

Position Location: Remote/telework

Clearance Level Required: None 

Key Responsibilities:

  • Conduct comprehensive accessibility testing of websites, web applications, mobile applications, PDFs, Microsoft Office files, forms, multimedia,and eLearning products, and other ICT across various levels of complexity.
  • Perform manual, automated, keyboard, screenreader, and assistivetechnology-based accessibility evaluations.
  • Evaluate ICT against applicable Section 508 requirements, WCAG Level AA criteria, HHS requirements, and approved testing methodologies.
  • Conduct complex defect reviews,identifyroot causes of accessibility nonconformance, and develop actionable remediation guidance.
  • Validate automated web-crawler findings, distinguish legitimate defects from false positives or scanning limitations, review scan outputs, and lead orparticipatein calibration activities.
  • Conduct or support authorized remediation activities and perform verification testing following remediation.
  • Prepare accessibility conformance reports documenting testing findings and outcomes.
  • Provide technical consultation and embedded accessibility SME support to HHS customers.
  • Develop remediation guidance and conduct or support authorized remediation of complex web, mobile, document, multimedia, and other ICT.
  • Mentor andprovidetechnical guidance to Section 508 Testers.
  • Support accessibility service-request intake, prioritization, fulfillment, tracking, and escalation.
  • AssistwithmaintainingDigital Accessibility Solution Center testing procedures, technical guidance, and Operations Guide content.
  • Support high-priority accessibility activities involving executive, Secretary, White House, congressional, FITARA, and IT Acquisition Review materials when directed.
  • Meet established Digital Accessibility Solution Center service-level agreements and communicateanticipateddelays or workload surges to program leadership.

Education and Experience:

  • Bachelor’s degree or equivalent relevant work experience.
  • Minimum5yearsof directly relevant experience in Section 508 compliance, digital accessibility testing, accessibility remediation, or related technical accessibility services.
  • Current DHS Trusted Tester certification.
  • Expert knowledge of Section 508 requirements, WCAG Level AA criteria, DHS Trusted Testermethodology, HHS accessibility requirements, and approved accessibility-testing methodologies.
  • Demonstrated experience with manual, automated, and assistive-technology-based accessibility testing.
  • Experience evaluating and remediating complex websites, web and mobile applications, electronic documents, forms, multimedia, eLearning content, and other ICT.
  • Experience with accessibility defect analysis, remediation guidance, verification testing, and accessibility conformance reporting.
  • Experiencevalidatingautomated accessibility-testing results, calibrating web-crawler findings, andidentifyingfalse positives or scanning limitations.
  • Experience providing technical accessibility consultation, customer support, training, and guidance to other accessibility personnel.

Preferred Skills and Experience:

  • None identified beyond the required qualifications above

Employee Benefits:

  • Medical, Dental, & Vision Benefits
  • Employer-paid long-Term & Short-Term Disability,Life Insurance
  • 401k Planwith generous company matching
  • 15-dayPTOand11FederalHolidaysforfull-time employees working on Federal Contracts
  • Employee Assistance Program
  • Salary dependent on skills and experience

Minimum Qualifications:  To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below represent the minimum knowledge, skills, and/or abilities required.

  • Problem-Solving-Identifiesand resolves problemsin a timely manner; gathers and analyzes information skillfully; develops alternative solutions; works well in groupproblem-solvingsituations; uses reason even when dealing with emotional topics.
  • Written Communication- Writes clearly and informatively; edits work for spelling and grammar; varies writing style to meet needs; presents numerical data effectively; able to read and interpret written information.
  • Strategic Thinking- Develops strategies to achieve organizational goals; understands organization's strengths & weaknesses; analyzes market and competition;identifiesexternal threats and opportunities; adapts strategy to changing conditions.
  • Innovation- Displays original thinking and creativity; meets challenges with resourcefulness; generates suggestions for improving work; develops innovative approaches and ideas; presents ideas and information in a manner that gets others' attention.
  • Planning/Organizing- Prioritizesand plans work activities; uses time efficiently; plans foradditionalresources; sets goals andobjectives; organizes or schedules other people and their tasks; develops realistic action plans.
  • Professionalism- Approaches others in a tactful manner; reacts well under pressure; treatsothers with respect and consideration regardless of their status or position; accepts responsibility for own actions; follows through on commitments.
  • Language Skills -Ability to read, analyze,and interpret general business periodicals, professional journals, technical procedures, or governmental regulations. Ability towritereports, proposals, business correspondence, and procedure manuals. Ability to effectively present information and respond to questions from groups of managers, clients, customers, and thegeneral public.
  • Mathematical Skills -Ability to apply concepts such as fractions, percentages, ratios, and proportions to practical situations.
  • Reasoning Ability- Ability to define problems, collect data,establishfacts, and draw valid conclusions. Ability to question activities and issues in all functional areas and make sound business decisions based on that data.
  • Work Environment:The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of the position. While performing the duties of this Job, the employeeis regularly required tosit, talk, type or hear. The employee isfrequentlyrequired to walk; use handsandfingers, handle, or feel and reach with hands and arms.

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Applicants selected will be subject to a government security investigation and must be able to obtain a government-granted security clearance. Individuals may also be subject to a background investigation, including, but not limited to, criminal history, employment and education verification, and drug testing. 

 

We are an equal opportunity employer and make employment decisions based on qualifications, merit, and business need. We participate in the E-Verify Employment Verification Program.



Key Skills
Section 508 complianceDigital accessibility testingWCAG Level AADHS Trusted TesterAccessibility remediationDefect analysisAssistive technologyScreen reader testingTechnical leadershipQuality assuranceWeb crawler calibrationICT accessibilityRemediation guidanceAccessibility conformance reportingMentoringTechnical consultation
Categories
TechnologyGovernment & Public SectorSoftwareConsultingSecurity & Safety
Benefits
MedicalDentalVisionLong-term disabilityShort-term disabilityLife insurance401k planPaid time offFederal holidaysEmployee assistance program
Job Information
📋Core Responsibilities
The Senior Section 508 Tester will conduct complex ICT accessibility testing, defect analysis, and remediation guidance for federal customers. They will also provide technical leadership, mentor accessibility personnel, and ensure conformance with Section 508 and WCAG standards.
📋Job Type
full time
💰Salary Range
$75,000 - $100,000
📊Experience Level
5-10
💼Company Size
25
📊Visa Sponsorship
No
💼Language
English
🏢Working Hours
40 hours
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