Senior Test Engineer, Medicare Mainframe Automation

Peraton; Herndon (VA); On-site; USD 86,000 - 138,000; Full time

Job summary

Peraton is seeking a Senior Test Engineer for the Health and Financial Solutions team to support the testing lifecycle for Medicare claims processing systems on a legacy mainframe platform. You will design, implement, and maintain automated test scripts for COBOL/JCL workflows and ensure CMS compliance.

Collaborating with BAs, developers, and operations, you will develop, execute, and automate test suites for functional and regression testing, while tracking results in TestRail and Jira to

Qualifications

• 2 years with BS/BA, 6 years no degree.
• Proficiency in mainframe environments, including JCL, COBOL (reading and debugging), DB2 SQL queries, and VSAM file handling.
• Experience with test case management and orchestration tools including Quick Test Pro, Open Text UFT, and TestRail.
• Familiarity with Medicare claims processing, including 837/835 EDI transactions and CMS requirements.
• Experience using Jira or equivalent defect tracking tools to manage defects and testing workflow.
• Strong Agile/Hybrid testing methodologies and ability to adapt test strategies.

Responsibilities

• Design, implement, and maintain automated test scripts for Medicare claim workflows in the mainframe environment.
• Integrate automated test suites with TestRail for execution tracking and reporting.
• Assess regression suites for automation opportunities to improve coverage, speed, and repeatability.
• Develop, manage, and execute test cases within TestRail aligned to CMS requirements.
• Perform functional, regression, and integration testing for mainframe batch and online applications.
• Validate COBOL/JCL jobs, DB2/VSAM updates, and downstream claim 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).
• Ensure CMS testing standards and audit documentation are met.
• Track and report test results, defects, and quality metrics in TestRail and Jira.
• Participate in defect triage meetings and root cause analysis.

Skills

Mainframe testing experience

JCL

COBOL

DB2 SQL

VSAM

Agile testing

CMS regulations understanding

US Citizenship

Public Trust clearance

Education

BS/BA degree or 6 years of relevant experience

Tools

TestRail

Jira

Quick Test Pro

Open Text UFT

CA Verify

Compuware Test Automation

REXX scripting

Job description

Peraton is seeking a Senior Test Engineer for the Health and Financial Solutions team to support the testing lifecycle for Medicare claims processing systems on a legacy mainframe platform. You will design, implement, and maintain automated test scripts for COBOL/JCL workflows and ensure CMS compliance.

Collaborating with BAs, developers, and operations, you will develop, execute, and automate test suites for functional and regression testing, while tracking results in TestRail and Jira to