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Z Os Operator Jobs (NOW HIRING)

Install, configure, maintain, and support IBM z/OS operating systems and related system software in production and non-production environments. * Plan and execute z/OS upgrades, migrations ...

Install, configure, maintain, and support IBM z/OS operating systems and related system software in production and non-production environments. * Plan and execute z/OS upgrades, migrations ...

Mainframe z/OS System Programmer

Columbia, MD ยท Remote

$56.25 - $71.75/hr

As an US Citizen and as a Senior System Programmer (Mainframe) supporting IBM z15 and z16 mainframe and z/OS 2.5 or higher operating system. As part of IBM zCloud resource pool, supporting the zCloud ...

Z/OS Mainframe Programmer

Columbia, SC ยท On-site

$51 - $64.75/hr

Z/OS OPERATION Z/OS SUPPORT INCLUDING PROBLEM ANALYSIS AND RESOLUTION PROVIDE TECHNICAL SUPPORT OF ... SIGNIFICANT INVOLVEMENT IN UPGRADE OF OPERATING SYSTEMS TO NEW RELEASE SIGNIFICANT INVOLVEMENT IN ...

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Infographic showing various Z Os Operator job openings in the United States as of August 2026, with employment types broken down into 37% Full Time, 61% Part Time, 1% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution.

Mainframe z/OS System Programmer

Chandler, AZ โ€ข Hybrid

Motion Recruitment
Recruiting and Staffing Servicesย โ€ขย 501 - 1,000 employees

$56.25 - $71.50/hr

Contractor

Re-posted 5 days ago


Job description

A well-established enterprise technology organization is seeking a Mainframe z/OS Systems Programmer to join its infrastructure team in Phoenix, Arizona. This is a full-time hybrid position requiring three days onsite per week. The environment includes IBM z/OS, RACF, JES2/JES3, REXX, NetView, DB2, CICS, IMS, MQ, and enterprise automation platforms that support mission-critical business operations.
This opportunity is ideal for experienced mainframe professionals who enjoy solving complex infrastructure challenges, improving system reliability, and contributing to modernization initiatives. The organization is investing in automation, performance optimization, security enhancement, and long-term platform stability. Candidates will have the opportunity to work within a large-scale enterprise environment while maintaining strong technical ownership of mission-critical systems. Required Skills & Experience
  • Experience administering IBM z/OS environments
  • Strong knowledge of JES2 and/or JES3
  • Experience with TSO/E, ISPF, and USS
  • RACF administration and security management experience
  • Knowledge of RMF, SMF, and SDSF performance monitoring tools
  • Experience performing z/OS upgrades and maintenance activities
  • Strong troubleshooting and root-cause analysis skills
  • Experience supporting enterprise change management processes
  • Automation experience using REXX, CLIST, NetView, or SA z/OS
Desired Skills & Experience
  • Experience supporting DB2 environments
  • Experience supporting CICS, IMS, or MQ
  • Capacity planning and performance engineering background
  • ServiceNow experience
  • Disaster recovery planning and testing experience
  • Exposure to mainframe modernization programs
What You Will Be Doing
  • Administer and maintain IBM z/OS operating systems
  • Implement system upgrades, patches, and maintenance activities
  • Monitor platform health and optimize performance
  • Support security, compliance, and access management initiatives
  • Create and maintain automation solutions
  • Troubleshoot and resolve production incidents
  • Participate in change implementation activities
  • Develop and maintain operational documentation
Tech Breakdown
  • 40% IBM z/OS Administration
  • 25% Performance & Capacity Management
  • 20% Automation & Scripting
  • 15% Security, Compliance & Change Management
Daily Responsibilities
  • 75% Hands-on Technical Work
  • 5% Mentorship & Knowledge Sharing
  • 20% Team Collaboration