Senior Automation QA Engineer

Unissant, Inc. delivers innovative capabilities to the agencies that keep our nation healthy and safe. We apply our domain expertise, data acumen, and technology know-how to achieve breakthrough results for our clients. Working collaboratively, we advance missions and careers through a focus on honesty, integrity, and dependability. We continuously look for talent, excited to join that effort. To learn more about our exciting organization, please visit us at www.unissant.com. We are seeking a motivated, customer-oriented Senior Automation QA Engineer with experience in backend/API Automation and Java framework engineering for complex, data-intensive systems that handle sensitive and regulated data (PHI). This role supports our Center for Medicare and Medicaid Services (CMS) client in the Baltimore–Washington Metro area and aligns to the type of automation work performed within ESMD - building durable, reusable automation that validates service integrations and data movement end to end. The ideal candidate thrives on agile teams in a large-scale enterprise development environment. Essential Duties & Responsibilities: Implement scalable API automation using Java (Rest Assured, TestNG/JUnit) Design, architect, and implement scalable automation frameworks for API, database, and file-level validations Develop end-to-end validation pipelines for Push and Pull workflows, including Base64 decoding and deep data comparison Lead validation efforts for FHIR workflows, including Document Reference and Binary resources Build and maintain data-driven testing frameworks using Excel/CSV Integrate and manage automation pipelines in Jenkins (scheduling, parallel execution, environment-based runs) Develop advanced database validation utilities using PostgreSQL and dynamic SQL Automate X12 workflows, including payload generation and SOAP-based validations Implement detailed reporting using Extent Reports for enhanced execution visibility Drive CI/CD transformation to achieve zero manual regression Collaborate with cross-functional teams to ensure high-quality software releases Work Experience and Job Skills: 6 -10 years of hands-on experience in QA/Automation is required Minimum 3+ years building automation frameworks from scratch using Java (Rest Assured, TestNG/JUnit) Experience with regulated or sensitive data systems preferred Experience in regulated domains (Healthcare, Federal government) and CMS experience is required Strong expertise in REST API automation, contract testing, and JSON/XML ((including HL7 Clinical Documents), along with Base64 decoding. Strong SQL skills to validate backend data, perform reconciliation, and troubleshoot defects Proven experience in API testing, including REST, SOAP, and FHIR services Understanding of medical documentation and claims processing workflows Working knowledge of FHIR and HL7 interoperability standards Familiarity with X12 healthcare transactions, specifically 278 and 275 Working knowledge of CI/CD tooling (Jenkins, GitLab, and/or Azure DevOps) Demonstrated experience in backend/API-focused automation; this role does not involve UI automation Proven ownership of automation framework architecture, design, and implementation Strong ability to work within complex, data-intensive backend systems and validate large-scale data flows Experience in audit and compliance validation is a plus Education: Bachelor's degree in a computer or scientific field is required Certificates, Licenses and Registrations: Testing certifications (e.g., CTSE, CSQA, CAST) are a plus. Communication Skills: Ability to write clear and concise technical architecture documents Ability to interface, inspire, and motivate at various levels of the organization and with client stakeholders Strong written and verbal communication skills Demonstrated experience communicating effectively across internal and external organizations Ability to work well in a matrixed team environment Travel: This is a remote position ENVIRONMENTAL REQUIREMENTS: Mainly sedentary; in an office environment May be required to lift to ten (10) pounds Flexible in working extended hours as mission or project demands require The above statements are intended to describe the general nature and level of work being performed by the individual(s) assigned to this position. They are not intended to be an exhaustive list of all duties, responsibilities, and skills required. Unissant management reserves the right to modify, add, or remove duties and to assign other duties as necessary. In addition, where applicable and available, reasonable accommodation(s) may be made to enable individuals with disabilities to perform essential functions of this position. Please note: Candidate(s) will be required to go through pre-employment screening. Unissant, Inc. is a proud Equal Opportunity Employer! (EOE; M/F/Disability/Vets) Apply To This Job