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Mainframe Operation Engineer Jobs (NOW HIRING)

Stellar IT Solutions

Mainframe Developer

Saint Louis, MO · On-site

$46.50 - $59.75/hr

The ideal candidate will be a handson engineer who can trace vulnerabilities to their root cause ... Document remediation steps, secure design patterns, and operational improvements. * Contribute to ...

Stellar IT Group

Mainframe Developer

Saint Louis, MO · On-site

$47.75 - $61.25/hr

The ideal candidate will be a hands-on engineer who can trace vulnerabilities to their root cause ... Document remediation steps, secure design patterns, and operational improvements. * Contribute to ...

Scalence L.L.C.

Mainframe Network Engineer

Phoenix, AZ · On-site

$48.75 - $62.50/hr

Job Summary : Scalence L.L.C. is seeking a Mainframe Network Engineer to support IBM z/OS ... production operations in a large-scale mainframe environment. Responsibilities : • ...

MM International

MQ Mainframe Engineer

Alpharetta, GA · On-site

$47.75 - $61.50/hr

MQ Mainframe Engineer Alpharetta, GA - 3 days/week onsite 12+ month contract position Description ... MC consists of experienced administration, operations and engineering staff required to support the ...

Virtusa Corporation

Mainframe Developer

Westlake, TX · On-site

$47 - $60.50/hr

Senior Mainframe Software Engineer who can quickly grasp complex systems, practice SDLC in agile ... Familiarity with DevOps tools * Gitlab, automated testing, etc

Omm IT Solutions

Mainframe Computer Operator

Washington, DC

$55.25 - $71/hr

The operators will be responsible for running and monitoring mainframe print operations, supporting ... Load and unload paper, toner, and developer; ensure proper supply management. \n \n \n * Remove ...

Judge Group, Inc.

Mainframe Developer

Salt Lake City, UT · On-site

$105K - $115K/yr

Virtual About the Role At our client, technology powers critical business operations that impact millions of users every day. We're looking for a Mainframe Developer who is passionate about building ...

eBusiness Solutions Inc.

Mainframe Developer

Columbus, OH · On-site

$45.75 - $58.75/hr

One of our clients in the government domain is seeking a Mainframe Developer with expert-level experience in mainframe batch processing, JCL, MVS operations, and Control-M/EM enterprise scheduling.

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Mainframe Operation Engineer information

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How much do mainframe operation engineer jobs pay per hour?

As of Sep 10, 2026, the average hourly pay for mainframe operation engineer in the United States is $53.38, according to ZipRecruiter salary data. Most workers in this role earn between $47.12 and $60.58 per hour, depending on experience, location, and employer.

What is a mainframe operation engineer?

Mainframe Operation Engineers are IT professionals responsible for managing, monitoring, and maintaining mainframe computer systems used by large organizations for critical business operations. They ensure that mainframe hardware and software run efficiently, troubleshoot issues, and perform regular system upgrades and backups. Their role is vital for guaranteeing the reliability, security, and availability of legacy computing environments that support essential applications such as banking, insurance, and government services.

What are the key skills and qualifications needed to thrive as a mainframe operation engineer?

To thrive as a Mainframe Operation Engineer, you need a solid understanding of mainframe systems, batch processing, and operating environments like IBM z/OS, typically backed by a degree in computer science or related experience. Familiarity with monitoring tools (e.g., IBM Tivoli), job scheduling systems (such as CA-7 or Control-M), and mainframe scripting languages is often required. Attention to detail, troubleshooting ability, and effective communication are critical soft skills for managing complex systems and resolving issues quickly. These skills are vital to ensure system reliability, minimize downtime, and support uninterrupted business operations.

What are some common challenges mainframe operation engineers face when supporting legacy systems?

Mainframe Operation Engineers often encounter challenges related to maintaining and integrating legacy systems with newer technologies. These systems may lack comprehensive documentation, making troubleshooting more complex and time-consuming. Additionally, coordinating with cross-functional teams to ensure uptime and performance during software updates or migrations requires strong communication and problem-solving skills. Staying current with evolving mainframe tools and best practices is essential for overcoming these challenges and ensuring seamless business operations.

What are popular job titles related to Mainframe Operation Engineer jobs?

For Mainframe Operation Engineer jobs, the most frequently searched job titles are:

Infographic showing various Mainframe Operation Engineer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, 1% Temporary, 2% Contract, and 1% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $111,026 per year, or $53.4 per hour.

Mainframe Developer

Saint Louis, MO • On-site

Stellar IT Solutions
IT Services • 51 - 200 employees
Learn more about Stellar IT Solutionsexternal

$46.50 - $59.75/hr

Other

Posted 27 days ago

Job description

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 productioncritical applications. This role requires strong proficiency in COBOL, CICS, DB2, and z/OS, along with the ability to navigate complex, decadesold financial systems where stability and accuracy are paramount. The ideal candidate will be a handson engineer who can trace vulnerabilities to their root cause, implement secure fixes, and ensure safe deployment without disrupting missioncritical 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 longterm 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.

  • Handson experience with secure coding practices in mainframe environments.

  • Proven ability to remediate vulnerabilities in productioncritical systems.

  • Strong problemsolving skills and ability to work independently in highstakes environments.


Preferred Skills

  • Experience with largescale 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.


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