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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Software Engineer - IBM z/OS - Connex Advantage Clearing and Settlement - **Company:** Visa Inc. - **Location:** Highlands Ranch, CO, United States - **Experience:** Expert - **Salary:** $163,500.0 - $261,500.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Batch Processing, Cloud Computing, COBOL (Programming Language), Document Management Systems, Disaster Recovery, Monitoring of Systems, Job Control Language (JCL), Rexx (Programming Language), Interactive System Productivity Facility (ISPF), Mainframes, Software Maintenance, Tensorflow, Software Engineering, Z/OS, Transaction Processing (Computing), Data Processing, Transport Layer Security, File Transfer Protocol (FTP), Computer Network Operations, System Availability, Large Language Models, File-aid, Information Technology, Data Analytics, Os/390 Operating System, Control M - **Published:** August 4, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=e69b74a40b30bd8e ## About the Role * 10+ years of relevant work experience with a Bachelor's Degree or at least 7 years of work experience with an Advanced degree (e.g. Masters, MBA, JD, MD) or 4 years of work experience with a PhD, OR 13+ years of relevant work experience., * 12 or more years of work experience with a Bachelor's Degree or 8-10 years of experience with an Advanced Degree (e.g. Masters, MBA, JD, MD) or 6+ years of work experience with a PhD. * Degree in computer science or equivalent practical experience in data processing. * 12-15 years of experience in support or development roles on IBM z/OS390, specifically with Connex Advantage clearing and settlement batch applications (required) * 12-15 years of support or development experience in COBOL/JCL (required) * 12-15 years of general knowledge in EFT settlement and transaction processing (required) * 12-15 years of support or development experience using FILE-AID (required) * 12-15 years of support or development experience with scheduling software such as ESP, Control-M, CA7 as well as Transmission Methods using FTP/SSL, FTP/SSH, NDM over SSL/TLS * Experience with configuration automation is preferred * Hands-on knowledge of Artificial Intelligence (AI) and Large Language Models (LLM), particularly in integrating AI-driven solutions with legacy mainframe environments. Familiarity with machine learning frameworks and their application to business process automation or data analytics is highly desirable. * REXX experience is a plus * ISPF Dialog Manager experience is a plus * Collaborative and team-oriented work style * Ability to work independently with minimal management oversight * Strong analytical skills; able to analyze and resolve complex and sometimes undefined problems * Demonstrated leadership abilities and robust mentoring skills * Capable of multitasking and managing time effectively while working independently * Excellent analytical and problem-solving capabilities * Strong verbal and written communication skills, including the ability to translate technical concepts for non-technical audiences ## Description As a Lead Software Engineer within the Visa - Value Added Services - Issuing Solutions team, you will oversee the DPS Core Clearing and Settlement systems, ensuring the integrity and high availability of all batch applications operating on the IBM z/OS390 platform. You will play a critical role in managing and optimizing the settlement of approximately $5 billion daily by processing about 240 million transactions each day. This is an advanced professional individual contributor role responsible for solving problems that have a medium to large impact on the business. Your responsibilities include: * Oversee 2nd and 3rd level incident and problem resolution, ensuring timely determination and resolution of issues in both Production and Development environments. * Collaborate closely with application software development teams to manage and support software maintenance releases. * Direct and support new client implementations on the IBM z/OS390 platform, ensuring seamless integration and deployment. * Initiate and manage proactive measures to ensure a stable and reliable production environment. * Provide expert technical guidance to Client Services, Network Operations, and Implementation teams. * Lead the testing and certification processes for new DPS software and client integrations. * Partner with network operations and technical support teams to identify, design, and implement application fixes and enhancements that improve efficiency and usability. * Acting as the primary escalation point for complex problem resolution. * Participate in and coordinate on-call rotations to support 24x7 mainframe operations. * Guide technical decision-making, mentor team members, and drive strategic initiatives to maintain and enhance the reliability and performance of Visa DPS batch processing infrastructure. * Design and implement automation solutions to streamline routine mainframe operations and reduce manual intervention. * Ensure compliance with industry security standards and internal controls for mainframe systems and data. * Monitor system performance metrics, analyze trends, and recommend infrastructure enhancements to optimize mainframe efficiency. * Coordinate disaster recovery planning and execution to guarantee business continuity for critical mainframe applications. * Document system architectures, processes, and procedures to support knowledge transfer and audit requirements. * Passion for staying current with emerging technologies in AI, cloud computing, and mainframe modernization. Ability to evaluate new tools and frameworks and recommend adoption as appropriate. This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager. Visa will accept applications for this role until at least June 22, 2026. 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