> Markdown version of [/jobs/ext/553356-senior-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/553356-senior-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). --- # Senior Mainframe Developer - **Company:** PurpleJack Technologies - **Location:** Raleigh, NC, United States - **Experience:** Expert - **Salary:** $104,000.0 - $114,400.0 - **Contract:** Temporary contract - **Skills:** Customer Information Control System (CICS), IBM DB2, Software Debugging, Middleware, Endevor, Job Control Language (JCL), IBM WebSphere MQ, Mainframes, Performance Tuning, Query Optimization, Release Management, SQL Databases, Z/OS, Freeform SQL, Enterprise Software Applications - **Published:** June 14, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=02b356861e194d17 ## About the Role Do you have experience in z/OS support?, * 7+ years of experience with z/OS Operating System * Strong experience with Endevor Configuration & Release Management * 7+ years of SQL programming and query optimization * Experience supporting DB2 tools and utilities * Ability to analyze and optimize complex SQL queries * Strong Mainframe administration and troubleshooting experience Mainframe Technologies: * z/OS * CICS * DB2 * IMS * JCL * Endevor * SQL Preferred Skills: * Middleware Administration * IBM MQ / MQ Series, * Deep expertise in z/OS, CICS, DB2, IMS, JCL, and Endevor. * Strong analytical and troubleshooting skills. * Experience supporting mission-critical enterprise mainframe environments. * Ability to work independently and provide technical leadership. ## Description * Serve as the primary Mainframe Technical Specialist supporting enterprise applications. * Provide administration, support, troubleshooting, and performance tuning for z/OS environments. * Support Endevor configuration and release management activities. * Analyze complex SQL queries and recommend performance improvements and cost-saving solutions. * Provide DB2 support and administration using various tools and utilities. * Deliver CICS administration, debugging, and problem-resolution support. * Collaborate closely with developers, infrastructure teams, and business stakeholders. * Support enterprise mainframe applications running in large-scale production environments. ## 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) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Goodbye Microservices, Hello Self-Contained Systems](https://www.wearedevelopers.com/videos/100009-goodbye-microservices-hello-self-contained-systems) ## Related Articles - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [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) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023)