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Mainframes Developer Jobs in Jacksonville, FL (NOW HIRING)

Centraprise

Mainframe Developer

Jacksonville, FL · On-site

$45.50 - $58.25/hr

Must Have Technical/Functional Skills • COBOL, JCL, VSAM • CICS (online processing) • DB2 ,SQL • File utilities (IDCAMS, SORT, IEBGENER) • Debugging tool (Fault Analyzer ) • Job scheduler ...

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Mainframes Developer information

See Jacksonville, FL salary details

$44.5K

$103.6K

$153.8K

How much do mainframes developer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for mainframes developer in Jacksonville, FL is $103,632.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,400.00 and $120,500.00 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.

What are popular job titles related to Mainframes Developer jobs in Jacksonville, FL?

For Mainframes Developer jobs in Jacksonville, FL, the most frequently searched job titles are:

What job categories do people searching Mainframes Developer jobs in Jacksonville, FL look for?

The top searched job categories for Mainframes Developer jobs in Jacksonville, FL are:

What cities near Jacksonville, FL are hiring for Mainframes Developer jobs?

Cities near Jacksonville, FL with the most Mainframes Developer job openings:

Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in Jacksonville, FL as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $103,632 per year, or $49.8 per hour.

Information Technology_USA - USA_Developer

Jacksonville, FL • On-site

Real Soft, Inc.
IT Services • 501 - 1,000 employees
Learn more about Real Soft, Inc.external

$45.50 - $58.25/hr

Contractor

Re-posted 11 days ago

Job description

LOCAL to Charlotte NC ONLY!
Role: Senior Mainframe Developer
JD
Must Have Technical/Functional Skills
• 8+ years of experience COBOL, JCL, DB2, VSAM, CICS, ChangeMan, File Aid/File Manager, DFSORT, Syncsort and Easytrieve
• Develop high performing, scaling and innovative end-to-end applications
Roles & Responsibilities
• Experience in migration from legacy to distributed systems.
• Apply principles of SDLC and methodologies like Lean/Agile/XP, CI, Software and Product Security, Scalability, Documentation Practices and Testing Techniques
• Write code that meets standards and delivers desired functionality using the technology selected for the project
• Understand performance parameters and assess application performance
• Experience on working with API through middleware.
• Experience on vulnerability remediation
• On call support on weekly rotation basis
• Working independently and taking ownership on business requirements.
• Collaborating with other technical partners and Product Owners.
• Strong technical and Analytical capabilities.
Generic Managerial Skills, If any
Role Descriptions: mainframe position to work on any development (COBOL| JCL etc.) and vuln remediation
Essential Skills: Mainframe Developer
Desirable Skills: Mainframe Developer
Keyword: ~Mainframe Developer~
Skills: Mainframe DB2 - Application Development~System Z - Enterprise COBOL~System Z - JCL
Experience Required: 8-10, Project Code :

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