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Mainframe Developer Jobs in Jacksonville, FL (NOW HIRING)

Citigroup, Inc.

Senior Mainframe Developer

Jacksonville, FL · On-site

$113K - $170K/yr

The Senior Mainframe Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The ...

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 ...

Kavaliro

Mainframe Engineer - IBM

Jacksonville, FL · On-site

$45.25 - $58.25/hr

Kavaliro is looking for a Mainframe Engineer to join our Jacksonville-based client's team. This position will focus on implementing and managing IBM mainframe server hardware and software for on ...

Techvilla Solutions

Mainframe Engineer

Jacksonville, FL

$45.50 - $58.25/hr

We are seeking a skilled Mainframe Engineer to support, maintain, and enhance enterprise applications running on IBM z/OS. The ideal candidate should have strong experience in COBOL, JCL, DB2, IMS DB ...

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Mainframe Developer information

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$49

$67

How much do mainframe developer jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for mainframe developer in Jacksonville, FL is $49.46, according to ZipRecruiter salary data. Most workers in this role earn between $43.65 and $56.11 per hour, depending on experience, location, and employer.

Is a mainframe developer hard to learn?

Mainframe developers typically need to learn specialized programming languages like COBOL and understand mainframe environments, which can have a steep learning curve for beginners. However, with prior programming experience and training, acquiring the necessary skills is achievable, and many employers offer on-the-job training or certification programs.

What is the difference between Mainframe Developer vs Mainframe Analyst?

AspectMainframe DeveloperMainframe Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing and maintaining existing mainframe systems
Skills & CertificationsCOBOL, JCL, DB2, certifications like IBM Certified DeveloperCOBOL, JCL, system analysis, troubleshooting skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsSupport teams, system analysis, user support
Industry UsageFinancial services, insurance, government agenciesFinancial institutions, healthcare, government agencies

While Mainframe Developers focus on creating and implementing mainframe applications, Mainframe Analysts primarily analyze, troubleshoot, and maintain existing systems. Both roles require similar technical skills and often work within the same industries, but their core responsibilities differ in development versus support and analysis.

What are some common challenges mainframe developers face when integrating legacy systems with modern applications?

Mainframe Developers often encounter challenges such as ensuring compatibility between legacy systems and newer technologies, managing data migration without disrupting business operations, and maintaining the security of sensitive data. Effective communication with cross-functional teams, such as application developers and infrastructure engineers, is essential to address these challenges. Staying updated on both mainframe and modern programming practices helps ease integration and ensures long-term system reliability.

Is a mainframe developer a good career?

A mainframe developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical operations. The role offers stable employment, competitive salaries, and requires skills in languages like COBOL and tools such as JCL. Demand remains steady in industries like finance and government, making it a viable career choice for those with relevant expertise.

What is a mainframe developer?

Mainframe Developers are specialized software engineers who design, develop, maintain, and troubleshoot applications on mainframe computer systems, such as IBM's z/OS. They typically work with languages like COBOL, JCL, and CICS, and are responsible for ensuring the performance, security, and reliability of mission-critical business applications. Mainframe Developers are commonly employed in industries like banking, insurance, and government, where large-scale, high-volume transaction processing is essential.

Is mainframe developer still in demand?

Mainframe developers are still in demand in industries such as finance, government, and insurance that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand remains steady due to the ongoing need for system maintenance and integration. However, the overall job market is gradually shifting toward modern technologies, so acquiring skills in related areas can enhance job prospects.

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

To thrive as a Mainframe Developer, you need expertise in programming languages such as COBOL, JCL, and SQL, along with a strong understanding of mainframe operating systems and batch processing concepts. Familiarity with tools like IBM z/OS, DB2, CICS, and version control systems is typically required, and certifications from IBM or related organizations can be beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help Mainframe Developers excel in troubleshooting and collaborating with cross-functional teams. These skills are crucial for maintaining, optimizing, and modernizing legacy systems that are vital to many large organizations’ operations.
What are the most commonly searched types of Mainframe Developer jobs in Jacksonville, FL? The most popular types of Mainframe Developer jobs in Jacksonville, FL are:
What are popular job titles related to Mainframe Developer jobs in Jacksonville, FL? For Mainframe Developer jobs in Jacksonville, FL, the most frequently searched job titles are:
What job categories do people searching Mainframe Developer jobs in Jacksonville, FL look for? The top searched job categories for Mainframe Developer jobs in Jacksonville, FL are:
What cities near Jacksonville, FL are hiring for Mainframe Developer jobs? Cities near Jacksonville, FL with the most Mainframe Developer job openings:
Mainframe Developer jobs near you
Infographic showing various Mainframe Developer job openings in Jacksonville, FL as of August 2026, with employment types broken down into 80% Full Time, 5% Part Time, and 15% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $102,873 per year, or $49.5 per hour.

Information Technology_USA - USA_Developer

Real Soft, Inc.

Jacksonville, FL • On-site

$45.50 - $58.25/hr

Contractor

This job post has expired today. Applications are no longer accepted.

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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