Job Title: Mainframe Test Engineer Location: Omaha, NE (5 Days Onsite) Duration: 12+ Months Role Summary We are seeking a detail-oriented Mainframe Tester to join our Quality Assurance team. You will design, develop, and execute automated and manual test cases for mainframe-based applications, ensuring reliability, performance, and compliance with business requirements. Key Responsibilities Design, develop, and maintain automated test scripts for mainframe (CICS, IMS, batch) and integr