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Senior Mainframe Developer Jobs in Wimauma, FL (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 ...

USAA

Mainframe CICS Systems Programmer Senior

Tampa, FL · On-site +1

$52 - $66.25/hr

The Opportunity USAA Mainframe Infrastructure team is looking for Senior level Mainframe CICS ... Developer Support: Providing technical support to application development teams, which includes ...

USAA

Mainframe CICS Systems Programmer Senior

Tampa, FL · On-site +1

$52 - $66.25/hr

The Opportunity USAA Mainframe Infrastructure team is looking for Senior level Mainframe CICS ... Developer Support: Providing technical support to application development teams, which includes ...

Accenture

Mainframe Specialist

Tampa, FL · On-site

$70K - $196K/yr

Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ... Collaborate with senior leadership to secure executive sponsorship and organizational buy-in for ...

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 ...

Deloitte

Senior QE Engineer III

Tampa, FL · On-site

$83K - $113K/yr

... web-based, mainframe-based and three-tier architectures. * Experience with the following ... Senior QA Engineer -AI & Engineering Join our AI & Engineering team in transforming technology ...

DTCC

Senior Application Support Engineer (SRE)

Tampa, FL · On-site

$53.75 - $71.50/hr

The Impact You Will Have in This Role As a Senior Application Support Engineer , you will help ... Mainframe exposure (JCL, batch processing, job monitoring). * Python or other scripting languages.

DTCC

Senior Application Support Engineer (SRE)

Tampa, FL · On-site

$51.75 - $69/hr

The Impact You Will Have in This Role As a Senior Application Support Engineer , you will help ... Mainframe exposure (JCL, batch processing, job monitoring). * Python or other scripting languages.

Royal Caribbean Group

Analyst, Senior Data

Lakeland, FL · On-site +1

$79K - $100K/yr

Other programing knowledge skills (Python) * Project management experience * Familiarity with other ... or equivalent mainframe system We know there's a lot to consider . As you go through the ...

Royal Caribbean Cruise Line

Analyst, Senior Data

Lakeland, FL · On-site

$79K - $100K/yr

Other programing knowledge skills (Python) * Project management experience * Familiarity with other ... or equivalent mainframe system We know there's a lot to consider . As you go through the ...

DTCC

Associate Director Platform Engineering

Tampa, FL · On-site

The Enterprise Storage Architect/Engineer is a senior technical leader within the Solutions Design ... mainframe). * Strong expertise in block, file, and object storage platforms in on-premises and ...

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Senior Mainframe Developer information

See Wimauma, FL salary details

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How much do senior mainframe developer jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for senior mainframe developer in Wimauma, FL is $44.87, according to ZipRecruiter salary data. Most workers in this role earn between $42.12 and $49.04 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 is a senior mainframe developer?

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 popular job titles related to Senior Mainframe Developer jobs in Wimauma, FL? For Senior Mainframe Developer jobs in Wimauma, FL, the most frequently searched job titles are:
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What cities near Wimauma, FL are hiring for Senior Mainframe Developer jobs? Cities near Wimauma, FL with the most Senior Mainframe Developer job openings:
Senior Mainframe Developer jobs near you
Infographic showing various Senior Mainframe Developer job openings in Wimauma, FL as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $93,335 per year, or $44.9 per hour.

Senior Mainframe Developer

Hirekeyz Inc

Tampa, FL • On-site

Contractor

Re-posted 18 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