> Markdown version of [/jobs/ext/4525443-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/4525443-mainframe-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe Developer - **Company:** Triunity Software - **Location:** Dallas, TX, United States - **Salary:** $100,000.0 - $110,000.0 - **Contract:** Permanent contract - **Skills:** Batch Processing, Customer Information Control System (CICS), COBOL (Programming Language), Code Review, Databases, IBM DB2, Software Debugging, Job Control Language (JCL), IBM Mainframe, Systems Analysis, Interactive System Productivity Facility (ISPF), Mainframes, Virtual Storage Access Methods, Z/OS, Tso/ispf, Information Technology, Data Management, Programming Languages - **Published:** November 2, 2026 - **Apply:** https://www.careerbuilder.com/job-details/mainframe-developer-dallas-tx--bbe09106-4bb6-47a4-b80c-cada1c05e4da ## About the Role Mainframe Computer, Health Insurance, Training/Teaching, Team Player, Mainframe Computer, Problem Solving Skills, JCL (Job Control Language), Cobol Programming Language, Programming Languages, Debugging Skills, * Proven experience in mainframe development and/or administration in an enterprise environment * Proficiency in COBOL, JCL, CICS, and z/OS operating systems * Experience with IBM mainframe tools such as ISPF, SDSF, and TSO/ISPF * Familiarity with DB2, VSAM, or IMS database platforms * Strong analytical and problem-solving skills with attention to detail * Ability to work independently and as part of a collaborative team * Bachelor's degree in Computer Science, Information Technology, or a related field preferred ## Description Triunity Software is looking for a talented Mainframe professional to join our growing team in Dallas, TX. This is an exciting opportunity to work on complex, mission-critical systems in a dynamic and collaborative environment. If you thrive on solving challenging technical problems and want to make a real impact, we want to hear from you! Responsibilities: * Develop, maintain, and optimize mainframe applications and batch processing systems * Write and debug COBOL, JCL, and other mainframe-based programming languages * Perform system analysis, design, and implementation on IBM z/OS mainframe platforms * Collaborate with cross-functional teams to gather requirements and deliver technical solutions * Monitor mainframe performance and troubleshoot issues to ensure system stability and uptime * Participate in code reviews, testing, and documentation of mainframe applications * Support data management tasks including DB2, VSAM, and IMS database operations