Mainframe Technical Specialist

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.

• 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.