IBM Mainframe Z/OS Systems Programmer

Imri - Los Angeles, CA

Full-time - Mid Level

Los Angeles, CA

11-50 employees

Ambulatory Health Care Services

About the position

The IBM Mainframe z/OS Systems Programmer is responsible for the operation, maintenance, and support of IBM z/OS systems and related software. This role requires expertise in mainframe environments, particularly in SMP/E management and legacy systems, along with strong communication skills for coordinating upgrades, testing, and incident response.

Responsibilities

• Install, configure, and maintain IBM z/OS operating systems and related system software.
• Apply cumulative Program Temporary Fix (PTF) packages and updates for supported server standard products and utilities.
• Perform SMP/E (System Modification Program/Extended) tasks to support required products, ensuring system reliability and performance.
• Provide support for legacy Windows Server environments as needed.
• Update and maintain in-house documentation systems, such as BUGS/PTD/PTO (CLIST/ISPF), ensuring accurate records and process transparency.
• Collaborate with the LADWP team to establish and execute test and implementation plans for operating system version upgrades.
• Schedule and oversee operating system testing and implementation to ensure seamless transitions with minimal disruption.
• Communicate installation prerequisites (e.g., additional disk space or memory) and post-installation procedures via the change management process.
• Submit IBM SCRT (Sub-Capacity Reporting Tool) reports monthly, ensuring compliance with IBM requirements.
• Recommend software orders for IBM and Independent Software Vendor (ISV) products to ITS staff.
• Implement and manage product key codes for ISV software.
• Provide disaster recovery (DR) support for z/OS software, maintaining comprehensive technical procedures and documentation.
• Serve as an on-call resource to diagnose and resolve z/OS systems issues during off-hours as needed.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or a related field (equivalent work experience may be considered).
• Minimum of 5 years of experience in z/OS systems programming, including SMP/E management, software installation, and systems maintenance.
• Experience with IBM SCRT reporting and disaster recovery planning.
• Familiarity with legacy Windows Server environments and CLIST/ISPF documentation systems.
• Expertise in IBM mainframe technologies, including z/OS and ISV software.
• Strong understanding of SMP/E and mainframe utilities.
• Excellent troubleshooting, analytical, and problem-solving skills.
• Effective communication skills for coordinating with technical and non-technical staff.

Nice-to-haves

• Certifications such as IBM Certified System Programmer or related credentials.
• Experience in large-scale mainframe environments, particularly with utilities or public-sector organizations.

Benefits

• Medical coverage through nationally recognized carriers.
• Ancillary coverages.
• Paid vacation and sick leave in compliance with all state and local laws.
• 401(k) with company match.
• Company paid life insurance and LTD.
• Several additional voluntary coverages.