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Mainframe ZOS Engineer

Diverse Lynx LLC

Job Location:

Atlanta, GA - USA

Yearly Salary: USD 100000 - 130000

Posted: 10 October 2026 (7 days ago)

Application Deadline: 7 January 2027

Vacancies: 1 Vacancy

Job Summary

Title: Mainframe Z/OS Engineer
Location: Atlanta GA
Duration: Fulltime Permanent Role

Salary Range: $100000-$130000 Per Year Benefits

Must Have Technical/Functional Skills:

In-depth knowledge and hands-on experience with z/OS operating system installation configuration and maintenance.
Proven experience with major z/OS upgrades
Extensive experience with the installation and support of various ISV products from vendors such as Broadcom/CA BMC IBM and Rocket Software
Handson experience with IBM Z mainframe hardware including CPCs LPAR configuration HMC/SE operation IOCDS/IODF management FICON channels OSA Coupling Facility structures and hardware upgrades or migration
Understanding of automation tools such as OPS/MVS System Automation Automation Point and integration of alerts/monitoring across enterprise operations
Familiarity with ZEKE Scheduler to support operations teams and diagnose JES/workload issues.
Exposure to large enterprises or regulated environments.

Roles & Responsibilities

Plan prepare and execute z/OS operating system upgrades
Apply IBM PTFs and APARs to maintain system integrity and resolve reported issues
Monitor z/OS system health performance and resource utilization using tools like RMF SMF TMON and SAS
Install configure upgrade and maintain a wide range of ISV products (e.g. Broadcom/CA BMC IBM Rocket Software etc.)
Have good understanding and experience on Hardware Configuration Definitions / IOCP and HMC Management and WLM management.
Collaborate with vendors for problem resolution licensing and technical support.
Ensure compatibility and integration of ISV products with the z/OS environment.
Manage and maintain critical system datasets (e.g. SYSRES Page datasets SMF datasets).
Provide expert-level support for mainframe incidents including problem determination diagnosis and resolution in a timely manner.
Analyze system performance data to identify bottlenecks and recommend improvements.
Tune various z/OS components WLM (Workload Manager) and ISV products to Eligible to workimize resource utilization and application performance.
Support DR planning setup IPL testing replication technologies (e.g. GDPS) and DR event execution.
Analyze system logs sysout dumps and diagnostic data for complex issues
Participate in on-call rotation for 24/7 support of critical systems.

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Required Experience:

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