Test Engineer

The Health and Financial Solutions team is looking for a Test Engineer to support the testing lifecycle for Medicare claims processing systems operating on a legacy mainframe platform. This role requires expertise in validating Durable Medical Equipment (DME) claim workflows ensuring compliance with CMS (Centers for Medicare & Medicaid Services) regulations and managing test cases within TestRail. The engineer will collaborate with business analysts developers and operations to design execute and automate test suites for both functional and regression testing. This is a remote position but requires you to reside within commute distance to Windsor Mill MD for possible in office days.

Key Responsibilities:

• Design implement and maintain automated test scripts for critical Medicare claim workflows in the mainframe environment (batch and online).
• Integrate automated test suites with TestRail for execution tracking and reporting.
• Continuously assess regression suites for automation opportunities to improve test coverage speed and repeatability.
• Develop manage and execute test cases within TestRail aligned to Medicare claims workflows and CMS requirements.
• Perform functional regression and integration testing for mainframe batch and online applications.
• Validate COBOL/JCL jobs DB2/VSAM database updates and downstream claim adjudication outputs.
• Collaborate with developers analysts and operations to resolve defects and ensure test coverage.
• Create and maintain test data to simulate Medicare claim scenarios (inpatient outpatient Part A Part B adjustments rejections etc.).
• Ensure compliance with CMS testing standards and audit documentation.
• Track and report test results defects and quality metrics in TestRail and JIRA (or equivalent defect tracking tool).
• Participate in defect triage meetings and root cause analysis.

Basic Qualifications:

• 5 years with BS/BA; 3 years with MS/MA; 0 years with PhD
• Experience with automated testing frameworks for mainframe (e.g. CA Verify Compuware Test Automation REXX scripting).
• Knowledge of CMS regulatory changes (e.g. ICD-10 HIPAA DMEPOS).
• Prior experience in healthcare payer systems or CMS audit environments.
• Familiarity with DevOps pipelines and CI/CD integration with test management software.
• Ability to obtainand maintain a Public Trust clearance.
• Must reside close enough for possible in office days in Windsor Mills MD
• US citizenship is required

Preferred Qualifications:

• Experience with automated testing frameworks for mainframe (e.g. CA Verify Compuware Test Automation REXX scripting).
• Knowledge of CMS regulatory changes (e.g. ICD-10 HIPAA DMEPOS).
• Prior experience in healthcare payer systems or CMS audit environments.
• Familiarity with DevOps pipelines and CI/CD integration with test management software.

Why Join Us:

• Work on mission-driven healthcare systems that directly support Medicare beneficiaries.
• Collaborate in a highly skilled Agile team that values innovation collaboration and continuous improvement.
• Competitive compensation growth opportunities and the ability to make a national impact.

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the worlds leading mission capability integrator and transformative enterprise IT provider we deliver trusted highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land sea space air and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day our employees do the cant be done by solving the most daunting challenges facing our customers. Visit to learn how were keeping people around the world safe and secure.