Senior Mainframe Systems Programmer Jobs in Missouri

Senior Mainframe Systems Programmer jobs in Missouri are open across Kansas City, St. Louis, and St Louis and other Missouri metros, with employers like Burns & McDonnell, Clayco, and Mastercard hiring at every experience level. Find a role that fits below and apply directly.

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Overview

Open roles583+
Top employerBurns & McDonnell
Top cityKansas City, MO
Cities hiring55
Work type84% On-site
Top industryConsulting

Showing 5 of 583+ Senior Mainframe Systems Programmer jobs

LIBERTY
Senior System Planning Engineer
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LIBERTY
Added 2w ago
Senior System Planning Engineer
LIBERTY
Joplin, Missouri
Specialized Engineering
Electrical Engineering
Engineering (Non-Software)
On-Site
Bachelor's
201-500

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National Information Solutions Cooperative (NISC)
Sr Systems Specialist
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National Information Solutions Cooperative (NISC)
Added 2w ago
Sr Systems Specialist
National Information Solutions Cooperative (NISC)
St. Louis, Missouri
Software Engineering
Cloud & DevOps
Technical Product & Program Management
Full-stack Engineering
Cloud Engineering
DevOps
Hybrid
Bachelor's
1,001-5,000

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Olsson
Senior Power System Studies Engineer
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Olsson
Added 1mo ago
Senior Power System Studies Engineer
Olsson
North Kansas City, Missouri
Specialized Engineering
Electrical Engineering
Engineering (Non-Software)
$125k - $185k/yr
On-Site
Bachelor's

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Burns & McDonnell
Senior IT System Administrator
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Burns & McDonnell
Added 3mo ago
Senior IT System Administrator
Burns & McDonnell
Kansas City, Missouri
Cloud & DevOps
IT Support & Systems Administration
DevOps
IT Support
Systems Administration
On-Site
Bachelor's
5,001-10,000

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HDR
Senior Control Systems Engineer
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HDR
Added 6mo ago
Senior Control Systems Engineer
HDR
Kansas City, Missouri
Specialized Engineering
Electrical Engineering
Mechanical Engineering
Engineering (Non-Software)
On-Site
Bachelor's
10,000+

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Senior Mainframe Systems Programmer Jobs by City in Missouri

Where Missouri roles are concentrated, by current openings.

Kansas City
174 jobs
St. Louis
145 jobs
St Louis
67 jobs
O'Fallon
31 jobs
Springfield
19 jobs
Columbia
18 jobs
Jefferson City
15 jobs
Chesterfield
13 jobs
Clayton
8 jobs

Senior Mainframe Systems Programmer Job Market in Missouri

A snapshot from current Missouri openings, updated as new roles post.

Who's Hiring

  • Burns & McDonnell
    Burns & McDonnell32
  • Clayco
    Clayco28
  • Mastercard
    Mastercard25
  • KPMG
    KPMG14
  • Washington University in St. Louis
    Washington University in St. Louis14

Top Industries Hiring

  • Consulting & Professional Services157
  • Construction & Real Estate99
  • Technology & Software51
  • Education45
  • Healthcare & Medical Services35

What Missouri Employers Look For

The qualifications that appear most often in senior mainframe systems programmer jobs across Missouri.

  • 5 or more years of hands-on z/OS systems programming experience in a production environment
  • Proficiency with IBM system software installation and maintenance using SMP/E
  • Experience configuring and supporting JES2 or JES3, VTAM, and TCP/IP on z/OS
  • Working knowledge of RACF, ACF2, or Top Secret for mainframe security administration
  • Familiarity with DFSMS, DASD management, and storage subsystem configuration
  • Bachelor's degree in computer science, information systems, or a related technical field

Senior Mainframe Systems Programmer Jobs in Missouri: Frequently Asked Questions

How many senior mainframe systems programmer jobs are there in Missouri?

There are 583+ senior mainframe systems programmer openings in Missouri on Migrate Mate as of June 2026, with the most roles in Kansas City, St. Louis, and St Louis. New positions post regularly as employers across Missouri hire.

How much do senior mainframe systems programmers make in Missouri?

Senior mainframe systems programmers in Missouri earn a median of about $90,420 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $54,760 for the lowest 10% to over $126,590 for the top 10%. Pay rises with experience, specialty, and employer.

Which Missouri cities have the most senior mainframe systems programmer jobs?

Kansas City, St. Louis, and St Louis have the most senior mainframe systems programmer openings in Missouri right now, with additional roles spread across smaller metros statewide.

Which companies hire senior mainframe systems programmers in Missouri?

Employers hiring senior mainframe systems programmers in Missouri include Burns & McDonnell, Clayco, and Mastercard, based on current listings on Migrate Mate as of June 2026.

Are there remote senior mainframe systems programmer jobs in Missouri?

Yes. About 16% of senior mainframe systems programmer openings tied to Missouri are remote or hybrid as of June 2026. The rest are on-site roles based in Missouri metros.

How do I apply for senior mainframe systems programmer jobs in Missouri?

You can apply to senior mainframe systems programmer jobs in Missouri directly on Migrate Mate. Search the listings above, find roles that match your experience and preferred Missouri location, then apply to each one that fits.

See All 583+ Senior Mainframe Systems Programmer Jobs in Missouri

Find roles in Missouri that match your experience and apply in just a few clicks.

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