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# Mainframe Technical Specialist

- **Company:** Stellar Professionals
- **Location:** Raleigh, NC, United States
- **Experience:** Expert
- **Contract:** Contract
- **Skills:** Query Performance, Customer Information Control System (CICS), Configuration Management, Databases, IBM DB2, Software Debugging, Middleware, Endevor, Job Control Language (JCL), IBM WebSphere MQ, Mainframes, Performance Tuning, Release Management, Software Deployment, Software Engineering, SQL Databases, Z/OS, Freeform SQL, Sql Optimization, Database Optimization, Information Technology, Elixir
- **Published:** November 11, 2026
- **Apply:** https://www.dice.com/job-detail/6c7d728c-59e7-43fa-b426-fe025ffb62e7

## About the Role

* z/OS Architecture: 7+ years of deep expertise in the z/OS operating system and system interrelationships.
 * Release Management: 7+ years of experience providing configuration and release management support using Endevor.
 * SQL & DB2 Expertise: 7+ years of hands-on SQL programming experience, query performance evaluation, and DB2 utility management.
 * Core Mainframe Stack: Proficiency with CICS, DB2, JCL, and IMS environments.

< data-path-to-node="18" dir="ltr">Preferred Qualifications

 * Experience with middleware technologies and WebSphere MQ.
 * Background supporting healthcare or public sector mainframe infrastructure systems.
 * Familiarity with Elixir software utilities.

## Description

Seeking an expert Mainframe Technical Specialist to provide deep z/OS operating system support, DB2 database administration/tuning, CICS administration, and Endevor release management. This role collaborates directly with application developers and IT infrastructure teams to optimize mainframe performance and software delivery.
< data-path-to-node="14" dir="ltr">Key Responsibilities

 * Mainframe & Systems Support: Provide technical expertise in z/OS operating system functionality, CICS administration, and batch environment stability.
 * Database Tuning & SQL Optimization: Evaluate complex SQL queries, utilize DB2 utilities, and implement query optimizations for performance and cost efficiency.
 * Release & Configuration Management: Provide guidance and operational support for software deployments using CA Endevor.
 * Technical Collaboration & Debugging: Troubleshoot CICS interfaces, support middleware/MQ integration, and assist application development teams with complex issue resolution.