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Mainframe 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 ...

Stellar IT Solutions

Mainframe Developer

Saint Louis, MO · On-site

$46.50 - $59.75/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 ...

MM International

Adabas mainframe

Atlanta, GA · Remote

$50.25 - $64.50/hr

Adabas mainframe Looking for a ADABAS DBA/ Developer/ ADABAS production support/ Mainframe Developer/ Mainframe Programmer background Location: 100% REMOTE | WEEKEND WORK Responsibilities include:

Virtusa Corporation

Mainframe Lead

Jersey City, NJ · On-site

$51.25 - $65.75/hr

8+ Yrs of experience in the Mainframe & Java Modernisation space. The Candidate has experience in understanding the requirements for the Mainframe Modernization and Legacy Migration. The tech stack ...

VIS IT Solutions Inc

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Mainframe Developer - Day 1 Onsite Location: Wilmington, DE & Jersey City, NJ (Weekly 5 days office is Must) Duration: 12+ Months Contract Skills: COBOL, JCL, CICS, IMS DB, VSAM Key Responsibilities:

Select Minds LLC

Mainframe Developer

Phoenix, AZ · On-site

$95 - $135/hr

Mainframe Developer Location: Phoenix, AZ (Day 1 Onsite) Mode of interview: In person (F2F) We are looking for an experienced Mainframe Developer. The ideal candidate should have hands‑on ...

Staffingine LLC

Mainframe Architect

Erlanger, KY · On-site

Mainframe Architect Job Location: Erlanger, KY Job Type: Contract to Hire * Develop maintain and enhance Mainframe based applications and systems using languages like COBOL PLI Assembler or REXX

ConfigUSA

Mainframe Engineer

Mclean, VA · On-site

$49.50 - $63.75/hr

The Mainframe engineers responsibilities include: Technical Lead for Mainframe Platform (z/OS| Dell Storage| IMS| DB2| RACF| CA JobTrac) to govern operations| changes and sustainability upgrade ...

Select Minds LLC

Mainframe Developer

Phoenix, AZ · On-site

$80K - $88K/yr

Mainframe Developer Location : Phoenix, AZ - Hybrid We are looking for an experienced Mainframe Developer. The ideal candidate should have hands-on experience in application development, maintenance ...

2T Consulting

Mainframe Assembler Developer

Martinsville, OH · On-site

$44 - $56.50/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

2T Consulting

Mainframe Assembler Developer

New Vienna, OH · On-site

$44.25 - $56.75/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing ...

Prophecy Technologies

mainframe developer

Dallas, TX · On-site

$48.50 - $62.25/hr

Mainframe Developer (COBOL / IMS DB / DB2 with Data Analytics) Location : Remote Duration : Contract Must-Have Skills * COBOL * IMS DB * DB2 * JCL * CICS * Mainframe Development * Mainframe Batch ...

Delan Associates, Inc

Mainframe Developer

Mclean, VA · On-site

$49.50 - $63.75/hr

Mainframe Developer (Banking Domain) Location: McLean, VA (Onsite, 5 days/week) Note: This position is open to local candidates in McLean, VA only. Face-to-face (F2F) interviews are mandatory, so ...

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Mainframe information

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$10

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How much do mainframe jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for mainframe 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?

Mainframes are powerful computers used mainly by large organizations for critical applications, bulk data processing, large-scale transaction processing, and enterprise resource planning. They are known for their reliability, scalability, and security, making them essential for industries like banking, healthcare, and government. Mainframes can handle thousands of users and transactions simultaneously, supporting the core operations of many businesses.

What are the key skills and qualifications needed to thrive as a mainframe developer, and why are they important?

To excel as a Mainframe Developer, a strong background in COBOL, JCL, mainframe operating systems (like z/OS), and database management is essential, often supported by a degree in computer science or a related field. Familiarity with tools such as IBM DB2, CICS, VSAM, and mainframe version control systems is typically required, and certifications like IBM Certified System Programmer can be advantageous. Analytical thinking, problem-solving abilities, and effective communication are important soft skills for identifying issues and collaborating with cross-functional teams. These skills ensure reliable maintenance, development, and modernization of mission-critical legacy systems that support large-scale business operations.

What are some typical challenges faced by mainframe professionals when integrating legacy systems with modern technologies?

Mainframe professionals often encounter challenges when integrating legacy systems with newer technologies, such as ensuring data compatibility, managing security protocols, and minimizing downtime during migration. These tasks require a deep understanding of both the existing mainframe architecture and the modern platforms being introduced. Collaboration with cross-functional teams—including application developers, security specialists, and project managers—is essential to ensure seamless integration and to address potential issues proactively. Staying updated on the latest integration tools and best practices also helps in overcoming these challenges efficiently.

What is the difference between Mainframe vs Mainframe Developer?

AspectMainframeMainframe Developer
Primary RoleMaintains and manages mainframe hardware and systemsDesigns, develops, and tests mainframe applications
Skills & CertificationsKnowledge of mainframe hardware, OS, and basic scriptingProficiency in COBOL, JCL, and mainframe programming languages
Work EnvironmentData centers, enterprise IT departmentsDevelopment teams within mainframe environments
Industry UsageUsed by organizations with legacy systemsDevelops and maintains those legacy systems

While Mainframe professionals focus on maintaining the hardware and system infrastructure, Mainframe Developers specialize in creating and updating mainframe applications. Both roles require knowledge of mainframe environments, but their responsibilities differ significantly within the same industry.

Is mainframe a good career option?

Mainframe careers involve working with large-scale computer systems used by many organizations for critical applications. The role typically requires knowledge of programming languages like COBOL, skills in system maintenance, and certifications such as IBM Certified System Programmer. It offers stable employment opportunities and competitive salaries due to the specialized skill set involved.
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What are the most commonly searched types of Mainframe jobs?

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What states have the most Mainframe jobs?

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What job categories do people searching Mainframe jobs look for?

The top searched job categories for Mainframe jobs are:

Mainframe jobs near you
Infographic showing various Mainframe job openings in the United States as of August 2026, with employment types broken down into 41% Full Time, 3% Temporary, and 56% Contract. Highlights an 87% In-person, and 13% Remote job distribution, with an average salary of $111,026 per year, or $53.4 per hour.

Mainframe Developer

Stellar IT Group

Saint Louis, MO • On-site

$47.75 - $61.25/hr

Contractor

Posted 6 days ago

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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