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Mainframe Z Os System Programmer Jobs in Missouri

teKnoluxion

Linux Systems Engineer

Saint Louis, MO · On-site

Overview Linux Systems Engineer Springfield, VA or St. Louis, MO Active TS (SCI eligibility ... system administration fundamentals (networking, storage, security, and OS internals) * Strong ...

GDIT

Linux Systems Engineer

Saint Louis, MO · On-site

... Linux system administration fundamentals (networking, storage, security, and OS internals ... fit, while Linux engineers without Nutanix experience will understand it is a significant ...

GDIT

Linux Systems Engineer

Saint Louis, MO · On-site

... Linux system administration fundamentals (networking, storage, security, and OS internals ... fit, while Linux engineers without Nutanix experience will understand it is a significant ...

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How much do mainframe z os system programmer jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for mainframe z os system programmer in Missouri is $54.57, according to ZipRecruiter salary data. Most workers in this role earn between $49.62 and $63.12 per hour, depending on experience, location, and employer.

What is a mainframe z/os system programmer?

A Mainframe Z OS System Programmer is an IT professional responsible for installing, configuring, maintaining, and troubleshooting IBM mainframe systems running the z/OS operating system. They ensure the mainframe environment is stable, secure, and optimized for performance, supporting critical business applications. Their duties include system upgrades, applying patches, disaster recovery planning, and providing technical support to other IT teams. This role is crucial for organizations that rely on mainframe computing for large-scale transaction processing and data management.

What are some common challenges faced by mainframe z/os system programmers, and how can they be addressed?

Mainframe Z/OS System Programmers often encounter challenges such as managing system upgrades, ensuring high availability, and troubleshooting complex performance issues. Keeping up with evolving technologies and integrating new software with legacy systems can also be demanding. To address these challenges, programmers typically work closely with application developers, attend ongoing training, and utilize robust monitoring tools. Collaboration and strong communication within cross-functional teams are key to maintaining system stability and implementing updates smoothly.

What are the key skills and qualifications needed to thrive as a mainframe z/os system programmer?

To thrive as a Mainframe Z/OS System Programmer, you need deep expertise in IBM mainframe operating systems, programming languages like Assembler and REXX, and a strong foundation in systems administration, usually supported by a relevant degree or equivalent experience. Familiarity with tools such as IBM SMP/E, TSO/ISPF, JCL, and mainframe security systems is essential, and certifications like IBM Certified System Programmer can be beneficial. Analytical thinking, attention to detail, and effective problem-solving are key soft skills that help professionals excel in troubleshooting and collaborating with technical teams. These skills and qualifications are crucial for ensuring reliable, secure, and efficient mainframe operations that support critical business processes.
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Mainframe Z Os System Programmer jobs near you
Infographic showing various Mainframe Z Os System Programmer job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 10% Part Time, and 2% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $113,505 per year, or $54.6 per hour.

MAINFRAME INFRASTRUCTURE ENGINEER - GDPS

DSNSearch

Saint Louis, MO • Remote

$168K - $199K/yr

Full-time

Re-posted 28 days ago

Job description

MAINFRAME INFRASTRUCTURE ENGINEER - GDPS
                   GDPS  ~~  STORAGE ~~ MAINFRAME ~~  BUSINESS CONTINUITY ~~ IBM DS8K 
                            ~~ DISASTER RECOVERY ~~  LOGICAL COPY PROTECTION
                                                      ~~ HARDWARE MANAGMENT  ~~ 
                                       ****FULL TIME POSITION FULLY REMOTE!!  ****
  • 5-10+ YEARS EXPERTISE WITHIN STORAGE INFRASTRUCTURE FOCUSED ON GDPS DEPLOYMENT 
  • DISASTER RECOVERY & BUSINESS CONTINUITY PROCEDURES
  • GDPS
  • LOGICAL COPY PROTECTION
  • HARDWARE MANAGEMENT
  • IBM DS8K
  • REXX
  • SHOULD HAVE CORPRATE EXPERTIENCE IN HIGH DEMAND/GLOBAL INFRASTRUCTURE ENVIRONMENTS
                      **CLIENT CANNOT CONSIDER H1B SPONSORSHIP AT THIS TIME**
At DSN, we bring over 25 years of experience and expertise in the information systems industry. We are committed to securing rewarding careers for our qualified candidates, while providing our clients with the best talent available. Our searches are selective, confidential and informed by a comprehensive knowledge of today's IT marketplace.