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# Mainframe z/OS Technical Lead / L3 Engineer

- **Company:** Job Cloud Inc.
- **Location:** McLean, VA, United States
- **Experience:** Expert
- **Salary:** $128,960.0 - $135,200.0
- **Contract:** Permanent contract
- **Skills:** Batch Processing, Customer Information Control System (CICS), COBOL (Programming Language), IBM DB2, Disaster Recovery, IBM Parallel Sysplex, Job Control Language (JCL), Mainframes, Performance Tuning, IBM Resource Access Control Facility, Z/OS, System Availability, Technical Debt
- **Published:** May 29, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=39a2e65315f1b99e

## About the Role

Do you have experience in Vendor relationship management?, * 10+ years of extensive hands-on mainframe engineering experience

 * Advanced expertise in z/OS, IMS, DB2, and CICS environments
 * Strong working knowledge of JCL, COBOL, and batch processing operations
 * Experience supporting vendor-managed or outsourced mainframe infrastructures
 * Ability to guide, influence, and challenge vendors effectively in technical discussions

Preferred Skills

 * Exposure to mainframe modernization or optimization initiatives
 * Familiarity with ITIL processes

## Description

Seeking a senior-level Mainframe z/OS Technical Lead to serve as the client-side Subject Matter Expert responsible for overseeing outsourced mainframe services while providing leadership and technical direction to a small internal team., * Manage technical governance and oversight for vendor-operated mainframe environments

 * Monitor and review daily operations, incidents, root cause analysis (RCA), releases, and change activities
 * Ensure vendor compliance with SLAs, operational standards, and ITIL processes
 * Function as the escalation lead for complex mainframe-related technical issues
 * Deliver expert-level support and guidance across z/OS, Sysplex, WLM, JES, and RACF environments
 * Supervise and review IMS (DB/DC), DB2 for z/OS, and CICS platform operations
 * Evaluate system availability, stability, capacity, and performance metrics
 * Drive recommendations focused on automation, performance tuning, and cost optimization initiatives
 * Identify technical debt, operational risks, and opportunities for modernization improvements
 * Review and validate disaster recovery (DR), backup, recovery, and business continuity planning (BCP) strategies
 * Provide architectural recommendations for future-state planning, platform enhancements, and upgrade initiatives
 * Present technical assessments and operational insights to leadership teams and stakeholders in a clear manner


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