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Mainframe Systems Programmer Jobs in Missouri (NOW HIRING)

Deloitte

Mainframe Developer

Saint Louis, MO · Hybrid

$47.75 - $61.25/hr

Develop, test, and deploy code changes for claims processing systems based on technical ... As an experienced Mainframe Developer ,you will have the ability to share new ideas and collaborate ...

Deloitte

Mainframe Developer

Kansas City, MO · Hybrid

$47.75 - $61.50/hr

Develop, test, and deploy code changes for claims processing systems based on technical ... As an experienced Mainframe Developer ,you will have the ability to share new ideas and collaborate ...

Walmart

(USA) Director, Software Engineering

Noel, MO

$130K - $260K/yr

Drives modernization from legacy INFOR mainframe systems to SAP and cloud-native architectures ... Strong software engineering leadership across scalable distributed systems and architecture.

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Mainframe Systems Programmer information

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$54

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How much do mainframe systems programmer jobs pay per hour?

As of Jun 10, 2026, the average hourly pay for mainframe systems 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 Does a Mainframe Systems Programmer Do?

As a mainframe systems programmer, your responsibilities are to maintain an organization’s server computer, also called a mainframe computer. Your duties include handling server configuration, as well as installing, upgrading, and customizing the operating system and other software necessary for running the server and its databases. You also work with other IT professionals with the planning of security measures to protect the mainframe and routinely perform tests for bugs and other security issues.

What are some common challenges Mainframe Systems Programmers face when maintaining legacy systems?

Mainframe Systems Programmers often encounter challenges related to supporting and upgrading legacy systems that may have limited documentation or use outdated programming languages. Navigating compatibility issues with newer hardware or software can require creative problem-solving and deep technical expertise. Additionally, ensuring system security and reliability while performing upgrades or patches involves careful planning and collaboration with other IT and business teams. Staying current with evolving mainframe technologies and practices is essential for long-term success in the role.

What is the difference between Mainframe Systems Programmer vs Mainframe Application Developer?

AspectMainframe Systems ProgrammerMainframe Application Developer
CredentialsTypically requires certifications like IBM Certified Systems ProgrammerOften requires programming certifications or specific language expertise
Work EnvironmentWorks primarily on system-level tasks, OS, and hardware interactionsFocuses on developing and maintaining applications on mainframe platforms
Employer & Industry UsageCommon in large enterprises with mainframe infrastructureAlso in large organizations, but more application-focused
Job FocusSystem configuration, performance tuning, and maintenanceApplication coding, testing, and deployment

The Mainframe Systems Programmer primarily manages system-level tasks, ensuring the mainframe environment runs efficiently, while the Mainframe Application Developer focuses on creating and maintaining applications. Both roles are essential in mainframe environments but differ in their technical focus and responsibilities.

What are Mainframe Systems Programmers?

Mainframe Systems Programmers are IT professionals responsible for installing, configuring, maintaining, and troubleshooting mainframe computer systems and software. They ensure that the mainframe environment runs efficiently, securely, and reliably, supporting critical business operations. Their duties often include system upgrades, performance tuning, applying patches, and collaborating with other IT teams to resolve complex technical issues. Mainframe Systems Programmers play a key role in organizations that rely on large-scale transaction processing, such as banks, insurance companies, and government agencies.

What are the key skills and qualifications needed to thrive as a Mainframe Systems Programmer, and why are they important?

To thrive as a Mainframe Systems Programmer, you need expertise in system programming, operating systems like z/OS, and strong problem-solving abilities, usually supported by a degree in computer science or related field. Familiarity with mainframe tools such as IBM z/OS utilities, JCL, REXX, and experience with system monitoring and performance tuning software are commonly required. Attention to detail, analytical thinking, and effective communication skills help ensure smooth collaboration and troubleshooting. These skills are essential to maintain, optimize, and secure critical enterprise computing environments that rely on mainframe infrastructure.
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Mainframe Systems Programmer jobs near you
Infographic showing various Mainframe Systems Programmer job openings in Missouri as of June 2026, with employment types broken down into 84% Full Time, and 16% Contract. Highlights an 89% In-person, and 11% Remote job distribution, with an average salary of $113,505 per year, or $54.6 per hour.
Mainframe Storage admin

Mainframe Storage admin

Artech Information System LLC

Columbia, MO • On-site

Full-time

Posted 23 days ago

Job description

Company Description

Artech is the 10th Largest IT Staffing Company in the US, according to Staffing Industry Analysts' 2012 annual report. Artech provides technical expertise to fill gaps in clients' immediate skill-sets availability, deliver emerging technology skill-sets, refresh existing skill base, allow for flexibility in project planning and execution phases, and provide budgeting/financial flexibility by offering contingent labor as a variable cost.

Job Description

Profile: Mainframe Storage admin

Location: Columbia, MO

Duration: 12 months+

Job details:

Experience in zOS, CA-1, Trex, TS7700,copy/exprt DR, EMC vmax, HSM, SRDF

Additional Information

For more information, Please contact

Shubham

97295-4595

Artech logo

About Artech

Sourced by ZipRecruiter

Artech is a leading IT staffing and consulting company based in Morristown, NJ, US. Since its foundation in 1992, Artech has mastered in complementing human expertise with technology and business acumen to produce world-class staffing solutions. The company caters to diverse industry sectors, including financial services, healthcare, telecommunication, energy and utilities, supply chain, and retail. It provides IT consulting, project management, professional and staff augmentation, and managed staffing services. Artech's mission is to provide exceptional IT staffing services to its clients by comprehending their business needs and then crafting a customized staffing strategy. Its notable achievement includes being recognized as one of the largest IT staffing companies in the U.S, according to Staffing Industry Analysts (SIA).

Industry

Recruiting and staffing services

Company size

10,000+ Employees

Headquarters location

Morristown, NJ, US

Year founded

1992

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