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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe Programmer - **Company:** eSolutionsFirst LLC - **Location:** McLean, VA, United States - **Experience:** Expert - **Contract:** Temporary contract - **Skills:** Customer Information Control System (CICS), Data Retention, IBM DB2, Job Control Language (JCL), IBM Mainframe, Mainframes, Platform as a Service (PAAS), IBM Resource Access Control Facility, Software Systems, SQL Databases, Virtual Storage Access Methods, Extensible Markup Language (XML), Z/OS, Tso/ispf, Mainframe Programming - **Published:** July 17, 2026 - **Apply:** https://www.dice.com/job-detail/de7253d1-84b6-42bc-9f41-1e04d5e14224 ## About the Role * Must have 10+ years as a Mainframe Programmer with hands on technical expertise supporting Z/OS environments. * Candidate should have strong mainframe programming and system experience, with mortgage/financial service experience preferred but not required. * Schedule: Standard - 40 hours per week. Occasional off-hours support may be needed, with flexibility provided to adjust the schedule and ensure the standard 40 hour week is maintained., * 5+ years of hands on experience in mainframe infrastructure engineering * Knowledge of z/OS architectures and z/OS internals * Knowledge of the zSecure tool and its is own language, Carla, for customization a plus * Knowledge of mainframe security and RACF * Knowledge of mainframe security related to supporting audits & findings - in reference to BSCs, key managements a plus * Knowledge of IBM Mainframe System - JCL, CICS, SQL, z/OS, DB2, IMS, VSAM, XML, TSO/ISPF, zconnect Keys to Success in this Role: * Proactive and ability to think creatively and execute in a manner that respects and meets appropriate internal controls. * Very strong attention to detail, ability to execute process, and follow through on tasks, with significant organizational, project and program management skills. * Excellent communications skills, including comfort interacting with internal management and external stakeholders. ## Description * The Mainframe Engineering team in Enterprise Operations & Technology is accountable for providing a stable, secure, resilient and risk managed platform for our business teams to develop, deploy and integrate applications on Mainframe. * The client leverages a managed service provider to enable "Mainframe Platform as a Service" yet provides governance and oversight on the contractual engagements with the supplier and functions as an integrator between the supplier and internal The client teams including the business partners. * The client is simultaneously executing a 3 Year roadmap to migrate off Mainframe applications to cloud, to sunset Mainframe in a safe and data retention compliant manner. * The client has an exciting opportunity for a mainframe engineering infrastructure senior (SysProg) to add to our existing mainframe infrastructure team. * The team is accountable for managing work efforts for the z/os infrastructure, hardware, software, monitoring and coordinating across business, application teams, and the managed services vendor. The Mainframe engineer's (SysProg) responsibilities include: * Technical Lead for Mainframe Platform (z/OS, Dell Storage, IMS, DB2, RACF, CA JobTrac) to govern operations, changes and sustainability upgrade projects. * Interface between Freddie Mac teams and Managed Service Supplier for issue resolution & change coordination. * Accountable for governance and oversight on contractual SLAs and key metrics. * Perform technical review, validation, coordination and compliance assurance for Vendor Managed and business requested Mainframe infrastructure changes (maintenance and sustainability upgrades) * Execute risk management controls, Baseline Security Compliance activities and audit support, involving technical review and execution of z/OS, IMS, DB2 and zSecure subsystems, involving RACF security. * Work as client side - technical SME for Mainframe infrastructure subsystems, to hold Managed Service Provider accountable to deliver on the changes and contracted services * Requires detailed knowledge of z/OS, IMS and DB2 subsystems and RACF security services * Flexibility for unscheduled engagement to lead & drive major incident resolutions & planned after-hour releases. * Perform root cause analysis with corrective and preventive measures. * Communicates and Influences effectively. Your Impact: * Identifies technical risks to planned system upgrades and works toward implementing mitigations to those risks. * Reviews completion and implementation of system upgrades and/or enhancements and makes recommendations to management on opportunities for improvement. * Identifies, analyzes, and resolves system problems. ## Related Videos - [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Goodbye Microservices, Hello Self-Contained Systems](https://www.wearedevelopers.com/videos/100009-goodbye-microservices-hello-self-contained-systems) ## Related Articles - [The 10 C++ programming questions to expect in an interview](https://www.wearedevelopers.com/magazine/50-the-10-c-programming-questions-to-expect-in-an-interview) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [10 Highest Paying Programming Languages 2025](https://www.wearedevelopers.com/magazine/150-10-highest-paying-programming-languages-2025) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges)