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

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MAINFRAME NETWORK SYSTEMS PROGRAMMER

Orlando, FL

$51.25 - $65.25/hr

MAINFRAME NETWORK SYSTEMS ENGINEER (MID TO SENIOR LEAD LEVEL) MAINFRAME**TCP-IP**VTAM**Z/OS HYBRID~MUST WORK ON SITE AT LEAST 2 DAYS A WEEK AND LIVE NEAR LOCATION BONUS OPPORTUNITY!! * 10+ YEARS ...

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 ...

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Senior Mainframe Developer information

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$53

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How much do senior mainframe developer jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for senior mainframe developer in Orlando, FL is $53.82, according to ZipRecruiter salary data. Most workers in this role earn between $50.48 and $58.80 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 Orlando, FL?

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

What are popular job titles related to Senior Mainframe Developer jobs in Orlando, FL?

For Senior Mainframe Developer jobs in Orlando, FL, the most frequently searched job titles are:

What job categories do people searching Senior Mainframe Developer jobs in Orlando, FL look for?

The top searched job categories for Senior Mainframe Developer jobs in Orlando, FL are:

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

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

Senior Mainframe Developer jobs near you
Infographic showing various Senior Mainframe Developer job openings in Orlando, FL as of August 2026, with employment types broken down into 82% Full Time, 7% Part Time, and 11% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution, with an average salary of $111,944 per year, or $53.8 per hour.

Mainframe (CICS, COBOL,DB2, MQ) |

Omega Solutions, Inc.

Orlando, FL • On-site

$45.75 - $58.75/hr

Full-time

Re-posted 17 days ago

Job description

Job Summary:
Omega Solutions, Inc. is seeking a Mainframe Developer with expertise in CICS, COBOL, DB2, and MQ. The role involves analysis, coding, testing, and maintaining application software while supporting existing business systems applications and providing on-call system support.
Responsibilities:
• 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.
• Recent working experience in Assembler.
• Knowledge in Assembler, CICS, COBOL, DB2, MQ and Mainframe infrastructure is required and Knowledge on emerging technologies is plus.
• Intertest 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 on-call, 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.
• 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.
Qualifications:
Required:
• Recent working experience in Assembler.
• Knowledge in Assembler, CICS, COBOL, DB2, MQ and Mainframe infrastructure is required.
• Knowledge on emerging technologies is a plus.
• Intertest 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 on-call, 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.
• 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:
• 8+ yrs. of related IT experience.
• Bachelors Degree at College of Science, Technology, Engineering & Math major or equivalent work, or military experience.
Company:
Omega was incorporated in 2007 in the State of California to offer high end IT Solutions ranging from IT Software and product development to technology deployment and specialize in providing software solutions to diverse business sectors in USA and World-wide. Founded in 2007, the company is headquartered in Santa Clara, USA, with a team of 11-50 employees. The company is currently Early Stage.

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