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Senior Mainframe Developer Jobs in Miami, FL (NOW HIRING)

Accenture

Mainframe Specialist

Miami, 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 ...

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 ...

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Senior Mainframe Developer information

See Miami, FL salary details

$36

$55

$63

How much do senior mainframe developer jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for senior mainframe developer in Miami, FL is $55.14, according to ZipRecruiter salary data. Most workers in this role earn between $51.73 and $60.24 per hour, depending on experience, location, and employer.

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 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 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 the most commonly searched types of Mainframe Developer jobs in Miami, FL?

The most popular types of Mainframe Developer jobs in Miami, FL are:

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What cities near Miami, FL are hiring for Senior Mainframe Developer jobs?

Cities near Miami, FL with the most Senior Mainframe Developer job openings:

Senior Mainframe Developer jobs near you
Infographic showing various Senior Mainframe Developer job openings in Miami, FL as of August 2026, with employment types broken down into 87% Full Time, 2% Part Time, and 11% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $114,693 per year, or $55.1 per hour.

Senior Mainframe Programmer - IDMS (remote option)

Vitaver & Associates, Inc.

Miami, FL • Remote

Contractor

Posted 4 days ago

Job description

14875 – Senior Mainframe Programmer - IDMS (remote option) – Miami, FL
Start Date: ASAP
Type: Temporary Project
Estimated Duration: 12 months with possible extensions
Work Setting: Remote option
Our client is filling this contract position exclusively through approved staffing partners, so this opportunity is not available by applying directly with the client. If you're interested, we'd be happy to represent you throughout the hiring process.
Required:
  • Experience with IDMS (Integrated Database Management Systems), including Online IDMS programs (ADSO, IDD, ADSC, MAPC, DDDL, DMLO, OLP, PFCH, DME) and IDMS screen mapping (symbolic and physical) (5+ years)
  • Experience with COBOL batch development in a Z/OS mainframe environment (5+ years)
  • Experience with Job Control Language (JCL) (5+ years)
  • Experience with TSO/ISPF and SPF
  • Experience with SAS, VegaSoft, and VSAM
  • Experience with systems analysis, design, and development (5+ years)
  • Experience with project management and project implementation
  • Experience with application production support/ IT customer service

Responsibilities:
  • Design, develop, and maintain IDMS/COBOL applications in a Z/OS mainframe environment
  • Perform systems analysis and design for new and existing applications
  • Develop and maintain Online IDMS programs and screen mapping (symbolic and physical)
  • Write and maintain batch COBOL programs and Job Control Language (JCL) scripts
  • Provide production support for mainframe applications, troubleshooting and resolving issues
  • Manage project tasks and timelines related to systems development and implementation
  • Provide technical support and service to internal and client IT stakeholders