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Senior Mainframe Developer Jobs in Ohio (NOW HIRING)

Genesis10 is currently seeking a Mainframe Senior Programmer for a contract position with a Regional Financial Institution located in Columbus, OH. This is a 12+ month contract opportunity. This role ...

Mainframe Specialist

Columbus, OH · 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 ...

Mainframe Specialist

Cleveland, OH · 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 ...

Mainframe Specialist

Cincinnati, OH · 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 ...

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 ...

Senior Java Developer

Columbus, OH · On-site +1

$55.25 - $70.50/hr

We are looking for an experienced Senior Java Developer with strong expertise in mainframe migration and cloud modernization. This is Full Time & Remote role who can work In EST Time Zone Role ...

Senior Software Engineer - Mainframe

Columbus, OH · On-site

$118K - $156K/yr

Wells Fargo is seeking a Senior Software Engineer to lead design, development, integration, enhancements for Hogan IDS (Deposit System) in a regulated mainframe banking environment. This role owns ...

... mainframe DB2 so they would want someone with this type of experience. Sr. Developer with an architectural mindset (approach development like an architect - solution oriented) Desired Technical ...

... mainframe DB2 so they would want someone with this type of experience. Sr. Developer with an architectural mindset (approach development like an architect - solution oriented) Desired Technical ...

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Senior Mainframe Developer information

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$36

$54

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How much do senior mainframe developer jobs pay per hour?

As of Jul 26, 2026, the average hourly pay for senior mainframe developer in Ohio is $54.81, according to ZipRecruiter salary data. Most workers in this role earn between $51.44 and $59.86 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 Ohio? The most popular types of Mainframe Developer jobs in Ohio are:
What are popular job titles related to Senior Mainframe Developer jobs in Ohio? For Senior Mainframe Developer jobs in Ohio, the most frequently searched job titles are:
What job categories do people searching Senior Mainframe Developer jobs in Ohio look for? The top searched job categories for Senior Mainframe Developer jobs in Ohio are:
What cities in Ohio are hiring for Senior Mainframe Developer jobs? Cities in Ohio with the most Senior Mainframe Developer job openings:
Infographic showing various Senior Mainframe Developer job openings in Ohio as of July 2026, with employment types broken down into 85% Full Time, 4% Part Time, 1% Temporary, and 10% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $114,004 per year, or $54.8 per hour.
Senior Mainframe Developer & Support Specialist - 100% Remote

Senior Mainframe Developer & Support Specialist - 100% Remote

Genesis10

Cleveland, OH • On-site

$60/hr

Other

Medical, Dental, Vision, Life, Retirement

Posted 11 days ago


Job description

Genesis10 is currently seeking a Senior Mainframe Developer & Support Specialist for a Remote position with a Regional Financial Institution located in Cleveland, OH. This is a 12+ month contract opportunity. This role is 100% remote.
Pay Rate: $60.00 per hour, W2

We are seeking an experienced Senior Mainframe Developer & Support Specialist with strong expertise in IBM z/OS environments. This role involves designing, developing, enhancing, and supporting mission-critical mainframe applications. The ideal candidate will have deep technical skills in COBOL, DB2, JCL, and CICS, along with experience in production support, incident management, and batch scheduling. This position is fully remote but requires the candidate to be in the Central or Eastern time zone.
Responsibilities:
  • Design, code, test, and deploy applications using COBOL, JCL, and DB2 (including stored procedures)
  • Develop and maintain online (CICS) and batch processing systems
  • Provide L2/L3 production support for mainframe applications
  • Troubleshoot and resolve issues related to batch failures, abends, and data inconsistencies
  • Support Tivoli Workload Scheduler (TWS) batch job scheduling and monitoring
  • Perform root cause analysis (RCA) and implement preventive solutions
  • Work with IBM MQ for message-based integrations
  • Use code management tools (e.g., LCM or similar) for version control, migration, and deployment
  • Collaborate with business analysts, developers, QA teams, and infrastructure teams
  • Provide technical guidance and mentoring to junior team members
  • Participate in on-call rotation and support for batch cycles and critical production windows

Requirements:
  • Bachelor's degree in Computer Science, Information Systems, or related field
  • 8+ years of experience in Mainframe Development & Support
  • Strong experience in production support environments (24/7 support model preferred)
  • Proven ability to troubleshoot complex system issues
  • Platform: IBM Mainframe (z/OS)
  • Programming: COBOL
  • Database: DB2, DB2 Stored Procedures
  • Job Control: JCL
  • File Handling: VSAM
  • Online Systems: CICS
  • Schedulers: Tivoli Workload Scheduler (TWS)
  • Middleware: IBM MQ
  • Utilities: SORT
  • Code Management: LCM or equivalent tools
  • Strong problem-solving and analytical skills
  • Excellent communication and documentation skills

Desired skills:
  • Experience with Hogan Banking System
  • Exposure to mainframe modernization initiatives
  • Knowledge of Agile/Scrum methodologies
  • Automation and scripting for batch/monitoring improvements

Only candidates available and ready to work directly as Genesis10 employees will be considered for this position.
If you have the described qualifications and are interested in this exciting opportunity, please apply!
Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.
For contract roles, Genesis10 offers the benefits listed below. If this is a perm-placement opportunity, our recruiter can talk you through the unique benefits offered for that particular client. Benefits of Working with Genesis10:
  • Access to hundreds of clients, most who have been working with Genesis10 for 5-20+ years.
  • The opportunity to have a career-home in Genesis10; many of our consultants have been working exclusively with Genesis10 for years.
  • Access to an experienced, caring recruiting team (more than 7 years of experience, on average.)
  • Behavioral Health Platform
  • Medical, Dental, Vision
  • Health Savings Account
  • Voluntary Hospital Indemnity (Critical Illness & Accident)
  • Voluntary Term Life Insurance
  • 401K
  • Sick Pay (for applicable states/municipalities)
  • Commuter Benefits (Dallas, NYC, SF, and Illinois)

For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit us at our website.
Genesis10 is an Equal Opportunity Employer. Candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
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About Genesis10

Sourced by ZipRecruiter

For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit us at our website.

Industry

It services

Company size

1,001 - 5,000 Employees

Headquarters location

New York, NY, US

Year founded

1999