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Mainframe Support Jobs in Florida (NOW HIRING)

Mainframe Developer

Tampa, FL · On-site

$44.50 - $57.25/hr

We are seeking an experienced Mainframe Developer to design, develop, enhance, and support enterprise-scale mainframe applications. The role involves working closely with cross-functional teams to ...

Mainframe Developer

Tampa, FL · On-site

$46.25 - $59.50/hr

We are seeking an experienced Mainframe Developer to design, develop, enhance, and support enterprise-scale mainframe applications. The role involves working closely with cross-functional teams to ...

Mainframe Developer II

Tampa, FL · On-site

$44.50 - $57.25/hr

Mainframe Developer We are seeking a Mainframe Developer with strong experience in COBOL, JCL, CICS ... Perform production support and troubleshoot issues. * Work with business and technical teams to ...

Sr Mainframe Developer (FL)

Tampa, FL · On-site

$44.50 - $57.25/hr

Technical support: They provide technical support for mainframe systems, optimizing performance, and ensuring compliance with coding standards and technical design. These assemblers work closely with ...

Perform impact analysis and support system enhancements and upgrades * Develop and optimize DB2 SQL queries , stored procedures, and performance tuning * Handle production support , incident ...

Mainframe Network System Engineer

Tampa, FL · On-site

$52 - $66.25/hr

Mainframe Network system programmer; configure, implement, maintain, support host network definitions (VTAM, TCPIP etc.) for IBM/Kyndryl and IBM customer mainframe systems. * Provide Tier3 host ...

Mainframe Networking Engineer - Remote

Tampa, FL · On-site +1

$46.25 - $59.50/hr

Drug screening (9-panel) required for support of some accounts. * Mainframe Network system programmer; configure, implement, maintain, support host network definitions (VTAM, TCPIP etc.) for IBM ...

Mainframe Engineer - IBM

Jacksonville, FL · On-site

$45.50 - $58.25/hr

Kavaliro is looking for a Mainframe Engineer to join our Jacksonville-based client's team. This ... Manage and support virtual tape backup systems and libraries. Provide troubleshooting, training ...

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 ... Manage and support virtual tape backup systems and libraries. Provide troubleshooting, training ...

Mainframe Developer

Tampa, FL · On-site

$44.50 - $57.25/hr

• 10+Years Mandate • Design, develop, and maintain mainframe applications using COBOL and ... technical support and work closely with cross-functional teams to address complex technical ...

COBOL Mainframe Application Developer

Tallahassee, FL · On-site

$42.50 - $54.50/hr

Night and weekend Production/QA Support. Kyndryl currently does not require employees to be fully ... Experience in mainframe technologies, including IMS DB, CA7, DB2/SQL, JCL, MQ, VSAM, CICS, TSO, FTP.

Mainframe Developer

Tampa, FL · Hybrid

$46.25 - $59.50/hr

Responsible for the daily development, maintenance, and support of the mainframe health claims applications. * Develop, test, and deploy code changes for claims processing systems based on technical ...

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Mainframe Support information

See Florida salary details

$7

$39

$54

How much do mainframe support jobs pay per hour?

As of Jun 27, 2026, the average hourly pay for mainframe support in Florida is $39.89, according to ZipRecruiter salary data. Most workers in this role earn between $35.19 and $45.29 per hour, depending on experience, location, and employer.

Can AI replace mainframe?

Mainframe support involves maintaining and troubleshooting large-scale legacy systems, which require specialized knowledge of mainframe hardware, operating systems, and programming languages like COBOL. While AI can assist with automation and data analysis tasks, it is unlikely to fully replace mainframe support roles due to the complexity and critical nature of these systems. Support professionals will continue to be essential for system management, security, and troubleshooting in mainframe environments.

What is a Mainframe Support job?

A Mainframe Support job involves maintaining, troubleshooting, and optimizing mainframe systems to ensure smooth operations. Responsibilities typically include monitoring system performance, resolving technical issues, applying software updates, and ensuring data security. Mainframe Support professionals work with legacy systems, batch processing, and various programming languages like COBOL or JCL. Their role is critical in industries like banking, healthcare, and government, where mainframes handle large-scale transactions and data processing.

What are the key skills and qualifications needed to thrive in the Mainframe Support position, and why are they important?

To thrive as a Mainframe Support professional, you need a solid understanding of mainframe operating systems (such as z/OS), basic programming skills, and troubleshooting abilities, typically supported by a degree in computer science or equivalent experience. Proficiency with tools like IBM ISPF, SDSF, JCL, and familiarity with monitoring and batch processing tools, as well as certifications like IBM Certified System Administrator, are often expected. Strong analytical thinking, communication, and teamwork skills are crucial for effectively addressing technical issues and collaborating with cross-functional teams. These abilities ensure prompt issue resolution and maintain the stability and reliability of critical business systems.

What are the typical daily responsibilities of someone in a Mainframe Support role?

Mainframe Support professionals typically monitor system performance, respond to incidents or service requests, and perform routine maintenance to ensure mainframe systems run smoothly. Their day may include troubleshooting job failures, updating software or system configurations, and working with application teams to resolve integration or data transfer issues. They often participate in on-call rotations and collaborate closely with other IT teams, such as network or security specialists. These responsibilities are essential to minimize downtime and maintain uninterrupted business operations.

Is mainframe a good career option?

Mainframe support is a stable career choice for those skilled in legacy systems, programming languages like COBOL, and mainframe tools such as JCL and TSO. It offers opportunities in industries like finance and government, with demand for experienced professionals continuing due to the ongoing reliance on mainframe technology. Certifications and continuous learning can enhance job prospects in this field.

Is mainframe difficult to learn?

Mainframe support roles require learning specific technologies such as COBOL, JCL, and mainframe operating systems, which can have a steep learning curve for beginners. However, with proper training and experience, many find it manageable to develop proficiency in mainframe environments. Strong problem-solving skills and understanding of legacy systems are beneficial for success in this field.

Is mainframe still in demand?

Mainframe support remains in demand in industries such as finance, government, and healthcare that rely on legacy systems for critical operations. Professionals with skills in COBOL, JCL, and mainframe security are sought after to maintain and upgrade these systems, which often require certifications and experience with mainframe environments like IBM z/OS.
What job categories do people searching Mainframe Support jobs in Florida look for? The top searched job categories for Mainframe Support jobs in Florida are:
Infographic showing various Mainframe Support job openings in Florida as of June 2026, with employment types broken down into 58% Full Time, 6% Part Time, and 36% Contract. Highlights an 89% In-person, 2% Hybrid, and 9% Remote job distribution, with an average salary of $82,969 per year, or $39.9 per hour.

$44.50 - $57.25/hr

Other

Posted 19 days ago


Job description

Role Name
Mainframe Developer
REQUIREMENT_CITY
Tampa, FL or Jersey City, NJ
EXPERIENCE:
8-12 Years
JOB SUMMARY:
We are seeking an experienced Mainframe Developer to design, develop, enhance, and support enterprise-scale mainframe applications. The role involves working closely with cross-functional teams to deliver reliable, high-performance solutions aligned with business requirements.
KEY RESPONSIBILITIES:
  • Application Development:
  • Design, develop, enhance, and maintain mainframe applications using COBOL, Assembler, and related technologies.
  • System Maintenance & Support:
  • Ensure smooth operation of central processing systems by implementing updates, fixes, and enhancements.
  • Testing & Debugging:
  • Perform unit testing, debugging, and troubleshooting to ensure application stability and quality.
  • Collaboration:
  • Work closely with business analysts, system engineers, and other developers to translate business requirements into technical solutions.
  • Documentation:
  • Create and maintain technical design documents, specifications, user guides, and support documentation.
  • Performance Tuning:
  • Analyze and optimize application performance for efficiency, scalability, and reliability.
REQUIRED SKILLS & EXPERIENCE:
Languages
  • COBOL
  • JCL
  • SQL
  • Assembler
Mainframe Tools & Environments:
  • CICS
  • DB2
  • VSAM
  • z/OS
  • ISPF
  • Standard Mainframe Utilities
Concepts & Knowledge:
  • Software Development Life Cycle (SDLC)
  • Batch and Online Processing
  • Data Analysis
  • System Integration
COMPETENCIES:
  • Strong analytical and problem-solving skills
  • Ability to work independently and in team-based environments
  • Excellent communication and documentation skills
  • Attention to detail and commitment to quality