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Senior Mainframe Programmer Jobs (NOW HIRING)

Stellar IT Group

Mainframe Developer

Saint Louis, MO · On-site

$47.75 - $61.25/hr

Mainframe Developer (Senior - Security Remediation) Location: Remote Duration: 6-12+ Months Contract Role Overview We are seeking experienced Senior Mainframe Engineers with deep expertise in legacy ...

ClifyX

Senior Mainframe Developer

Salem, OR · On-site

ClifyX is seeking a Senior Mainframe Developer. The role involves working on large-scale complex technical architectures and requires knowledge of relevant functional business areas such as the ...

Judge Group, Inc.

Sr Mainframe Developer

Wilmington, DE · On-site

$50.50/hr

Our client is currently seeking a Sr Mainframe Developer Develops and implements solutions that address complex business challenges, enhancing the ability to make data-driven decisions and improving ...

Judge Group, Inc.

Sr Mainframe Developer

Wilmington, DE · On-site

$50.50/hr

Our client is currently seeking a Sr Mainframe Developer Years of experience required: 8+ Develops and implements solutions that address complex business challenges, enhancing the ability to make ...

Info Way Solutions

mainframe developer to cloud

Fremont, CA · On-site

$53.75 - $69.25/hr

Info Way Solutions is seeking a Senior Mainframe Developer to facilitate the transfer of applications from mainframe to cloud environments. The role involves optimizing mainframe applications ...

Virtusa Corporation

Architect

New York, NY · On-site

We are seeking a Senior Mainframe Lead to oversee mainframe development, maintenance, and ... Lead and manage a team of mainframe developers and analysts in delivering complex enterprise ...

1 point system

Mainframe Engineer

Jersey City, NJ · On-site

$51.25 - $65.75/hr

The Purpose As a Senior Mainframe Software Engineer, you will quickly develop a deep understanding of our mainframe ecosystem--including core applications, data flows, integrations, and ...

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Senior Mainframe Programmer information

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How much do senior mainframe programmer jobs pay per hour?

As of Sep 13, 2026, the average hourly pay for senior mainframe programmer in the United States is $52.28, according to ZipRecruiter salary data. Most workers in this role earn between $43.99 and $62.50 per hour, depending on experience, location, and employer.

What is the difference between Senior Mainframe Programmer vs Mainframe Developer?

AspectSenior Mainframe ProgrammerMainframe Developer
CredentialsTypically requires a mainframe programming certification and several years of experienceOften requires similar certifications and experience, focusing on coding and development
Work EnvironmentWorks primarily on legacy mainframe systems within financial, insurance, or government sectorsDevelops and maintains mainframe applications, often in similar industries
Employer & Industry UsageCommonly employed by large corporations with mainframe infrastructureUsed interchangeably with mainframe programmer, focusing on application development

The main difference between a Senior Mainframe Programmer and a Mainframe Developer is primarily experience level and scope. Senior Mainframe Programmers often have more responsibilities, including overseeing projects and mentoring junior staff, while Mainframe Developers focus on coding and application creation. Both roles require similar credentials and are vital in industries relying on legacy mainframe systems.

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Senior Mainframe Programmer jobs near you
Infographic showing various Senior Mainframe Programmer job openings in the United States as of September 2026, with employment types broken down into 88% Full Time, 3% Part Time, 8% Contract, and 1% Nights. Highlights an 86% Physical, 3% Hybrid, and 11% Remote job distribution, with an average salary of $108,736 per year, or $52.3 per hour.

Mainframe Developer

Saint Louis, MO • On-site

Stellar IT Group
See more jobs at Stellar IT Groupexternal

$47.75 - $61.25/hr

Contractor

Re-posted yesterday

Job description

Overview:
Position: Mainframe Developer (Senior - Security Remediation)
Location: Remote
Duration: 6-12+ Months Contract
Role Overview
We are seeking experienced Senior Mainframe Engineers with deep expertise in legacy banking systems to investigate, understand, and safely remediate security vulnerabilities in production-critical applications. This role requires strong proficiency in COBOL, CICS, DB2, and z/OS, along with the ability to navigate complex, decades-old financial systems where stability and accuracy are paramount. The ideal candidate will be a hands-on engineer who can trace vulnerabilities to their root cause, implement secure fixes, and ensure safe deployment without disrupting mission-critical banking operations.
Key Responsibilities
  • Investigate and analyze security vulnerabilities within legacy mainframe banking applications.
  • Trace issues to their technical root cause and design secure remediation strategies.
  • Modify and enhance COBOL, CICS, and DB2 codebases while ensuring production stability.
  • Collaborate with security, infrastructure, and application teams to validate fixes.
  • Conduct secure coding reviews and enforce mainframe security best practices.
  • Provide production support for remediation deployments, ensuring minimal disruption.
  • Document remediation steps, secure design patterns, and operational improvements.
  • Contribute to strengthening long-term resilience of legacy banking systems.
Required Skills
  • Strong expertise in COBOL, JCL, CICS, DB2, z/OS.
  • Deep understanding of mainframe application architecture and legacy banking systems.
  • Hands-on experience with secure coding practices in mainframe environments.
  • Proven ability to remediate vulnerabilities in production-critical systems.
  • Strong problem-solving skills and ability to work independently in high-stakes environments.
Preferred Skills
  • Experience with large-scale financial or banking applications.
  • Familiarity with mainframe modernization initiatives.
  • Exposure to secure SDLC practices and vulnerability management frameworks.
  • Strong communication skills to bridge security and engineering teams.

Skills:
Mainframe,cobol,aws

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