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Senior Mainframe Developer Jobs in Florida (NOW HIRING)

Deloitte

Senior Automation Engineer

Tampa, FL · Hybrid

$98K - $129K/yr

Collaborate closely with Java developers, Mainframe engineers, product managers, and project ... As an experienced Senior Automation Engineer ,you will have the ability to share new ideas and ...

JS Consulting

Senior Software Developer - W2 ONLY

Miami, FL · On-site

$52.25 - $68.75/hr

Senior .Net Developer Location: Maimi, FL (Need Local) Duration: 12+Months Interview: WebEx Client ... The consultants will be responsible for transitioning legacy systems (PEN, MS Access, Mainframe ...

Ubertal Inc

Senior Business Analyst

Tallahassee, FL · On-site

$87K - $113K/yr

Senior Business Analyst Location: Tallahassee, FL Duration: 15 months Employment Type: Contract We ... Knowledge of mainframe programming languages and systems * Experience with data conversion and data ...

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DSNSearch

z/OS Systems Programmer

Orlando, FL

z/OS SENIOR LEVEL SYSTEMS PROGRAMMER-ARCHITECT Z/OS**MAINFRAME**SYSTEMS PROGRAMMER** ANNUAL BONUS PROGRAM! HYBRID WORK/MUST WORK ON SITE 2X WEEK * SENIOR LEVEL Z/OS ARCHITECT EXPERT WITH Z/OS SYSTEMS ...

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Tech Tammina LLC

Sr Backend Java Developer

Tampa, FL · On-site

$113K - $147K/yr

Role: Sr Backend Java Developer Location: Tampa, FL Duration: 6 months C2H Rate: Market Need only ... Modernization - re-write mainframe legacy applications into modern Java-based microservices to ...

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Avani Technology Solutions, Inc.

Java Developer

Orlando, FL · On-site

$47.50 - $61.50/hr

ROLE: Sr. Java Developer Location: Orlando, FL Duration: 6+months (24 Month Project) Industry: GPS ... or other mainframe skills for use in legacy conversion reverse engineering * Ability to adapt ...

DSNSearch

z/OS Systems Programmer

Orlando, FL · On-site

z/OS SENIOR LEVEL SYSTEMS PROGRAMMER-ARCHITECT Z/OS MAINFRAME SYSTEMS PROGRAMMER ANNUAL BONUS PROGRAM! HYBRID WORK/MUST WORK ON SITE 2X WEEK * SENIOR LEVEL Z/OS ARCHITECT EXPERTWITH Z/OS SYSTEMS ...

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Senior Mainframe Developer information

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How much do senior mainframe developer jobs pay per hour?

As of Jul 4, 2026, the average hourly pay for senior mainframe developer in Florida is $43.08, according to ZipRecruiter salary data. Most workers in this role earn between $40.43 and $47.07 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Mainframe Developer, and why are they important?

To thrive as a Senior Mainframe Developer, you need deep expertise in mainframe programming languages (like COBOL, JCL, and PL/I), systems analysis, and a strong understanding of legacy application architectures, typically supported by a degree in computer science or related experience. Familiarity with tools such as IBM z/OS, DB2, CICS, and version control systems is essential, along with relevant certifications like IBM Certified System Programmer. Excellent problem-solving, communication, and leadership skills help you collaborate effectively and mentor junior developers. These skills are crucial for maintaining mission-critical systems, ensuring reliability, and guiding modernization efforts in complex enterprise environments.

What are some common challenges faced by Senior Mainframe Developers when integrating legacy systems with modern technologies?

Senior Mainframe Developers often encounter challenges when integrating legacy mainframe systems with newer technologies such as cloud platforms, APIs, or microservices. These challenges include ensuring data consistency, maintaining system security, and minimizing downtime during migrations. Collaboration with cross-functional teams, such as infrastructure engineers and application developers, is key to developing seamless integration solutions. Staying up-to-date with modernization tools and best practices can help address these complexities and support the organization's digital transformation goals.

What are Senior Mainframe Developers?

Senior Mainframe Developers are experienced professionals who design, develop, and maintain mainframe systems—large-scale computers used by organizations for critical applications, bulk data processing, and enterprise resource planning. They are proficient in languages like COBOL, JCL, and Assembler, and often work with databases and transaction processing systems. Their responsibilities include troubleshooting system issues, optimizing performance, mentoring junior developers, and ensuring the reliability and security of mainframe operations.
What are the most commonly searched types of Mainframe Developer jobs in Florida? The most popular types of Mainframe Developer jobs in Florida are:
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What job categories do people searching Senior Mainframe Developer jobs in Florida look for? The top searched job categories for Senior Mainframe Developer jobs in Florida are:
What cities in Florida are hiring for Senior Mainframe Developer jobs? Cities in Florida with the most Senior Mainframe Developer job openings:
What are popular job titles related to Senior Mainframe Developer jobs in FL? For Senior Mainframe Developer jobs in FL, the most frequently searched job titles are:
Senior Mainframe Developer jobs near you
Infographic showing various Senior Mainframe Developer job openings in Florida as of June 2026, with employment types broken down into 61% Full Time, 33% Part Time, 3% Temporary, and 3% Contract. Highlights an 83% Physical, 6% Hybrid, and 11% Remote job distribution, with an average salary of $89,612 per year, or $43.1 per hour.
Mainframe (CICS, COBOL,DB2, MQ) |

Mainframe (CICS, COBOL,DB2, MQ) |

Omega Solutions Inc

Orlando, FL • On-site

$35/hr

Other

Posted 17 days ago

Job description

Mainframe (CICS, COBOL,DB2, MQ)

Orlando FL 6 months Pay Rate: $35/hr on w2 all inclusive Client: Capgemini

Responsible for analysis, coding, testing, and maintaining application software. Supports existing business systems applications. Partners with senior developers and application architects to identify business need and appropriate technical solutions. Responsible for coding as well as assisting with designing and documenting technical requirements for business applications. Participates in 7x24 on-call system support.

Job Specific Needs & Responsibilities:
  • Recent working experience in Assembler.
  • Knowledge in Assembler, CICS, COBOL,DB2, MQ and Mainframe infrastructure is required and knowledge on emerging technologies is plus.
  • Interest experience is a huge plus. Expert in multiple languages and tools.
  • Credit/Debit or financial knowledge. Should be quick learner, detail-oriented, multitasker.
  • Ability to work in a challenging environment. Possesses strong knowledge of application development technologies, tools, methodologies as well as all functional areas in IT organization.
  • Should be able to support production and should be available to support oncall, as needed.
  • Enhances staff accomplishments and competence by planning delivery of solutions; answering technical and procedural questions for less experienced team members; teaching improved processes; mentoring team members.
Candidate Requirements:
  • Expert in multiple languages and tools. Some knowledge in emerging technologies. Possesses strong knowledge of application development technologies, tools and methodologies.
  • Good understanding of how technology relates to business, market and industry and applies such knowledge to support the needs of the business.
  • Strong understanding of complex internal business processes or functions.
  • Works on moderate to complex projects and issues within functional area.
  • Works more independently with IT functional units and business units. Recommends strategies for improving system applications.
  • Coaches and leads less experienced IT staff and business managers.
Preferred Qualifications:
  • 8+ yrs. of related IT experience.
  • Bachelors Degree at College of Science, Technology, Engineering & Math major or equivalent work, or military experience.

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