Required Knowledge, Skills, and Abilities: Knowledge of: quality assurance and quality improvement principles and techniques; software development and testing life cycles; user acceptance, regression, functional, and data-validation testing; requirements analysis; root-cause analysis and troubleshooting methods; operational and organizational analysis; methods of data collection, validation, and analysis; training and adult-learning practices; documentation and records-management practices; public health administration; and WIC Program regulations, policies, systems, and business processes. Skill in: writing, reviewing, and executing scripts and structured queries; developing test plans, test cases, scenarios, test data, and acceptance criteria; reproducing and documenting system issues; analyzing data and system outputs; managing support requests and issue-tracking tools; writing and maintaining manuals, procedures, troubleshooting guides, and training materials; leading testing and training sessions with users; public speaking; and communicating technical information clearly to technical and nontechnical audiences.