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Mainframe Z Os System Programmer Jobs in Missouri

Dellfor Technologies

Java Architect

Springfield, MO · On-site

$60K/yr

Java EE framework and system development * Experience with use cases, process flows, and UML ... IBM Content Manager, Rational Application Developer, Clear Case, Clear Quest, DB2 on z/os, AIX.

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

... 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 Sep 3, 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 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.

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.

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For Mainframe Z Os System Programmer jobs in Missouri, the most frequently searched job titles are:

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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, 82% Full Time, 13% Part Time, and 4% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $113,505 per year, or $54.6 per hour.

Java Architect

Dellfor Technologies

Springfield, MO • On-site

$60K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 10 days ago

Job description

Company Description

Dellfor Technologies is founded by software professionals with fresh approach, and ideas empowering clients and partners in meeting the unique challenges created by transforming business needs. Our technical, domain expertise across obust solutions. We strive to prove ourselves from project inception through completion... Our technical, domain expertise across industries and process oriented approach enables clients to develop cost effective and robust solutions. We strive to prove ourselves from project inception through completion...



To succeed in the Dellfor technologies, you need exceptional connections - to the right experts, the right opportunities and the right answers. You'll find Dellfor Technologies right in the center of this ever-changing technological world - uncovering opportunities and connecting possibilities.



As a global provider of IT staffing services, Dellfor Technologies connects the very best IT professionals to great opportunities at leading companies. And we do it every single day - for both temporary and permanent assignments and across virtually all industries. We use our insight, flexibility and expanded resources to anticipate the needs of leading tech companies and help them make exceptional connections with top tech talent.


Job Description
  • Experience as a Java Architect on large scale,web-based applications
  • Java EE framework and system development
  • Experience with use cases, process flows, and UML
  • Technical expertise in IBM z/OS, Java Virtual Machine, Virtual AIX, JDBC bridging techniques, IBMWebSphere Application Server, Tivoli Access Manager, and DOC1 Generate
  • IBM development software experience including: IBM Content Manager, Rational Application Developer, Clear Case, Clear Quest, DB2 on z/os, AIX.
  • Mobile application development
  • SQL fine tuning and optimization using reporting engines
  • Experience in development of application security layer for web applications
  • Strong expertise in Struts, Spring MVC, Spring IOC, Spring AOP, and Spring Batch technologies
  • Front end technology experience with: JQuery,  JavaScript, CSS, HTML, AJAX, XML.
  • MS SQL Server and DB2 z/os
  • Experience using Hudson or similar CI tools
  • Experienced with  ANT and MAVEN build scripts
  • Development experience of middleware components using IBM MQ, Webservices, etc.
  • Strong experience with iBatis framework
  • Integration of Struts and Spring experience
Additional Information

Highlights and benefits

  • We are a registered E verified company
  • Starting salary between $ 60,000 with regular increments
  • Free classroom skill enhancement program
  • Relocation allowance
  • Referral bonus
  • On the job support from experienced professionals in the relative field
  • Travel allowance
  • Insurance- Medical, dental, vision and 401K
  • Health Benefits through Carefirst BCBS (Blue Cross Blue Shield)
  • Company paid Life Insurance

Please respond with your resume. US Citizens and all other parties authorized to work in the US are encouraged to apply.


Job Type: Contract

Salary: $60,000.00 /year

Required education:

  • Bachelor's

Required experience:

  • Developer: 5-12year

Apply