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Mainframes Developer Jobs (NOW HIRING)

Hirekeyz Inc

Senior Mainframe Developer

Tampa, FL · On-site

Job Title: Senior Mainframe Developer Location : Tampa, FL (5 Days Onsite) Job Type: W-2/Full Time Exp-10 Years Role Overview We are seeking a highly experienced Mainframe Developer with deep ...

RIT Solutions, Inc.

Mainframe Developer

Wayne, PA · On-site

$44.50 - $57/hr

RIT Solutions, Inc. is seeking a Mainframe Developer to design, develop, test, and maintain mainframe applications. The role involves collaborating with business analysts, troubleshooting ...

Mastech Digital

Mainframe Developer

Merrimack, NH · On-site

$65/hr

We are currently seeking a Mainframe Developer for our client in the Financial Services domain. We value our professionals, providing comprehensive benefits and the opportunity for growth. This is a ...

Georgia IT, Inc.

Mainframe Engineer-Franklin, WI

Franklin, WI · On-site

$45.50 - $58.50/hr

Georgia IT, Inc. is seeking a Mainframe Engineer to join their team in Franklin, WI. The role involves designing, developing, and testing program units while ensuring adherence to SDLC standards and ...

Mastech Digital

Mainframe Developer

Merrimack, NH · Remote

$65/hr

We are currently seeking a Mainframe Developer for our client in the Financial Services domain. We value our professionals, providing comprehensive benefits and the opportunity for growth. This is a ...

Donato Technologies, Inc

Mainframe Developer

Tampa, FL · On-site

$46.25 - $59.50/hr

Mainframe Developer Experience: 10+ Years Tampa, FL 45 Miles * 10+ years' Mainframe Application/COBOL development experience * 7+ years' experience in CICS/DB2/VSAM/MQ application development

Samprasoft

Mainframe Java Assembler - REMOTE

Omaha, NE · On-site

$46.75 - $60.25/hr

Mainframe Developer Seeking a professional Mainframe Developer with Assembly/COBOL and Java development experience. The successful Mainframe Developer's responsibilities for this position include:

Samprasoft

Mainframe Java Assembler - REMOTE

Omaha, NE · On-site

$46.75 - $60.25/hr

Mainframe Developer Seeking a professional Mainframe Developer with Assembly/COBOL and Java development experience. The successful Mainframe Developer's responsibilities for this position include:

Syntricate Technologies

Mainframe Engineer

Merrimack, NH · On-site

$50.25 - $64.50/hr

Required : • 10+ years of experience as a day-to-day Mainframe Developer working with Cobol, CICS, DB2, JCL, Endeavor, VSA. • Demonstrated Experience writing COBOL/Native stored procedures • ...

Samprasoft

Mainframe Java Assembler - REMOTE

Omaha, NE · On-site

$46.75 - $60.25/hr

Mainframe Developer Seeking a professional Mainframe Developer with Assembly/COBOL and Java development experience. The successful Mainframe Developer's responsibilities for this position include:

Samprasoft

Mainframe Java Assembler - REMOTE

Omaha, NE · On-site

$46.75 - $60.25/hr

Mainframe Developer Seeking a professional Mainframe Developer with Assembly/COBOL and Java development experience. The successful Mainframe Developer's responsibilities for this position include:

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Mainframes Developer information

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$48K

$111.8K

$166K

How much do mainframes developer jobs pay per year?

As of Sep 14, 2026, the average yearly pay for mainframes developer in the United States is $111,845.00, according to ZipRecruiter salary data. Most workers in this role earn between $90,000.00 and $130,000.00 per year, depending on experience, location, and employer.

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

Is a mainframes developer a good career?

A mainframes developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the ongoing need to maintain and upgrade existing mainframe applications. However, the number of new positions is limited compared to emerging technologies, and skills in mainframe modernization are increasingly valued.

What does a mainframes developer do?

A mainframes developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of large-scale enterprise systems, frequently working with legacy code and mainframe-specific tools in a structured environment.
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Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in the United States as of August 2026, with employment types broken down into 84% Full Time, 2% Part Time, and 14% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $111,845 per year, or $53.8 per hour.

Senior Mainframe Developer

Tampa, FL • On-site

Hirekeyz Inc
See more jobs at Hirekeyz Incexternal

Contractor

Re-posted 23 days ago

Job description

Job Title: Senior Mainframe Developer

Location : Tampa, FL (5 Days Onsite)

Job Type: W-2/Full Time

Exp-10 Years

Role Overview

We are seeking a highly experienced Mainframe Developer with deep expertise in COBOL, CICS, DB2, and JCL to support and enhance mission-critical applications. The candidate will play a key role in development, maintenance, production support, and modernization initiatives in a high-volume enterprise environment.

Key Responsibilities

  • Design, develop, test, and maintain mainframe applications using COBOL, CICS, DB2, and JCL
  • Analyze business requirements and translate them into technical specifications
  • Perform impact analysis and support system enhancements and upgrades
  • Develop and optimize DB2 SQL queries, stored procedures, and performance tuning
  • Handle production support, incident resolution, and root cause analysis
  • Work on batch and online (CICS) processing systems
  • Prepare functional and technical design documents
  • Collaborate with cross-functional teams including QA, business analysts, and infrastructure teams
  • Participate in code reviews, testing (unit, integration, UAT), and deployment activities
  • Ensure adherence to coding standards, security policies, and SLA commitments

Required Technical Skills

  • Strong hands-on experience in:
    • COBOL (Structured & Object-Oriented)
    • CICS (Customer Information Control System)
    • DB2 (SQL, Stored Procedures, Performance Tuning)
    • JCL (Job Control Language)
  • Experience with:
    • VSAM, IMS (optional but preferred)
    • Mainframe utilities (SORT, IDCAMS, IEBGENER)
    • Debugging tools like Expeditor, Abend-AID
  • Knowledge of:
    • Batch processing and scheduling tools (e.g., Control-M, CA-7)
    • Version control tools (Endevor, Changeman)
  • Familiarity with mainframe modernization or API integration is a plus

Soft Skills

  • Strong analytical and problem-solving skills
  • Excellent communication and stakeholder management
  • Ability to work in a fast-paced production support environment
  • Team player with mentoring capabilities

Preferred Qualifications

  • Bachelor’s degree in Computer Science, Information Technology, or related field
  • Experience in banking, financial services, or insurance domains
  • Exposure to Agile/Scrum methodologies
  • Experience in modernization initiatives (Mainframe to distributed/cloud)

Nice to Have

  • Knowledge of REST APIs, Microservices integration with mainframe
  • Experience with DevOps tools and CI/CD pipelines for mainframe
  • Exposure to tools like z/OS Connect, IBM MQ