ITTConnect is seeking a Senior Mainframe Developer (zOS Environment) to work on site for a client in the Columbus, OH area. This is a contract position with a client that is a global leader in ...
ITTConnect is seeking a Senior Mainframe Developer (zOS Environment) to work on site for a client in the Columbus, OH area. This is a contract position with a client that is a global leader in ...
ITTConnect is seeking a Senior Mainframe Developer (zOS Environment) to work on site for a client in the Columbus, OH area. This is a contract position with a client that is a global leader in ...
ITTConnect is seeking a Senior Mainframe Developer (zOS Environment) to work on site for a client in the Columbus, OH area. This is a contract position with a client that is a global leader in ...
Senior Mainframe Systems Programmer
$51 - $64.75/hr
Senior Mainframe Systems Programmer Location: Westlake, OH Experience: 12+ Years Visa: H1B, OPT Employment Type: W2 As this is a hybrid role based out of our Creative Studios in Westlake, Ohio, we ...
Senior Mainframe Systems Programmer
$51 - $64.75/hr
Senior Mainframe Systems Programmer Location: Westlake, OH Experience: 12+ Years Visa: H1B, OPT Employment Type: W2 As this is a hybrid role based out of our Creative Studios in Westlake, Ohio, we ...
Sr Mainframe Systems Programmer
$51 - $64.75/hr
The Sr. Mainframe Systems programmer is responsible for the overall engineering, operations, and planning of the mainframe, IBM z/OS operating system software and all other IBM and third-party ...
Sr Mainframe Systems Programmer
$51 - $64.75/hr
The Sr. Mainframe Systems programmer is responsible for the overall engineering, operations, and planning of the mainframe, IBM z/OS operating system software and all other IBM and third-party ...
Senior Developer - IBM z/OS Connect
Columbus, OH · On-site
$52.75 - $69.50/hr
ITTConnect is seeking a Senior Mainframe Developer - IBM zOS Connect to work on site for a client in the Columbus, OH area. This is a contract position with a client that is a global leader in ...
Senior Developer - IBM z/OS Connect
Columbus, OH · On-site
$52.75 - $69.50/hr
ITTConnect is seeking a Senior Mainframe Developer - IBM zOS Connect to work on site for a client in the Columbus, OH area. This is a contract position with a client that is a global leader in ...
Senior Developer - IBM z/OS Connect
Columbus, OH · On-site
$52.75 - $69.50/hr
ITTConnect is seeking a Senior Mainframe Developer - IBM zOS Connect to work on site for a client in the Columbus, OH area. This is a contract position with a client that is a global leader in ...
Senior Developer - IBM z/OS Connect
Columbus, OH · On-site
$52.75 - $69.50/hr
ITTConnect is seeking a Senior Mainframe Developer - IBM zOS Connect to work on site for a client in the Columbus, OH area. This is a contract position with a client that is a global leader in ...
mainframe specialist
Columbus, OH · On-site
$53 - $67.50/hr
Mainframe/cobol programmer Will close to submissions: Monday 11/4 @ 10AM Interview: On-site ... Thanks & Regards, Naga Senior IT Recruiter Data Systems Integration Group Inc, 485 Metro Place ...
Quick apply
mainframe specialist
Columbus, OH · On-site
$53 - $67.50/hr
Mainframe/cobol programmer Will close to submissions: Monday 11/4 @ 10AM Interview: On-site ... Thanks & Regards, Naga Senior IT Recruiter Data Systems Integration Group Inc, 485 Metro Place ...
Senior Software Engineer - Mainframe
Columbus, OH · On-site
$118.30K - $156K/yr
Wells Fargo is seeking a Senior Software Engineer to join the Demand and Time Deposits organization ... Mainframe Tools: CA7 (Scheduling), Endeavor, REXX and Easytrieve * Hand on experience with CA7 ...
Senior Software Engineer - Mainframe
Columbus, OH · On-site
$118.30K - $156K/yr
Wells Fargo is seeking a Senior Software Engineer to join the Demand and Time Deposits organization ... Mainframe Tools: CA7 (Scheduling), Endeavor, REXX and Easytrieve * Hand on experience with CA7 ...
Software Engineer Sr
Cleveland, OH · Hybrid
$55K - $152.38K/yr
As a Software Engineer Sr within PNC's Technology organization, you will be based in Pittsburgh, PA ... Preferred Core Mainframe Development Expertise: 7+ years of hands-on experience developing ...
Software Engineer Sr
Cleveland, OH · Hybrid
$55K - $152.38K/yr
As a Software Engineer Sr within PNC's Technology organization, you will be based in Pittsburgh, PA ... Preferred Core Mainframe Development Expertise: 7+ years of hands-on experience developing ...
Software Engineer Sr
Strongsville, OH · Hybrid
$55K - $152.38K/yr
As a Software Engineer Sr within PNC's Technology organization, you will be based in Pittsburgh, PA ... Preferred Core Mainframe Development Expertise: 7+ years of hands-on experience developing ...
Software Engineer Sr
Strongsville, OH · Hybrid
$55K - $152.38K/yr
As a Software Engineer Sr within PNC's Technology organization, you will be based in Pittsburgh, PA ... Preferred Core Mainframe Development Expertise: 7+ years of hands-on experience developing ...
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 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 DevOps Engineer - Mainframe
Baltimore, OH · On-site
$118.80K - $152.60K/yr
Skills : DevOps, Mainframe DB2, Application Development Design and implement automated deployment processes for consistent and reliable software delivery to test environments and production across ...
Senior DevOps Engineer - Mainframe
Baltimore, OH · On-site
$118.80K - $152.60K/yr
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Sr Director of Infra Engineering-Advanced Capability Engineering for Mainframe Midrange Compute P...
Columbus, OH · On-site
$199.50K - $300K/yr
As a Senior Director of Infrastructure Engineering in the Mainframe and Midrange Compute team at JPMorganChase, you will lead Advanced Capabilities Engineering for the firm's Mainframe and Midrange ...
Sr Director of Infra Engineering-Advanced Capability Engineering for Mainframe Midrange Compute P...
Columbus, OH · On-site
$199.50K - $300K/yr
As a Senior Director of Infrastructure Engineering in the Mainframe and Midrange Compute team at JPMorganChase, you will lead Advanced Capabilities Engineering for the firm's Mainframe and Midrange ...
Sr Director of Infra Engineering-Advanced Capability Engineering for Mainframe Midrange Compute P...
Columbus, OH · On-site
$238.20K/yr
As a Senior Director of Infrastructure Engineering in the Mainframe and Midrange Compute team at JPMorganChase, you will lead Advanced Capabilities Engineering for the firm's Mainframe and Midrange ...
Sr Director of Infra Engineering-Advanced Capability Engineering for Mainframe Midrange Compute P...
Columbus, OH · On-site
$238.20K/yr
As a Senior Director of Infrastructure Engineering in the Mainframe and Midrange Compute team at JPMorganChase, you will lead Advanced Capabilities Engineering for the firm's Mainframe and Midrange ...
Sr Director of Infra Engineering-Advanced Capability Engineering for Mainframe Midrange Compute P...
$238.20K/yr
As a Senior Director of Infrastructure Engineering in the Mainframe and Midrange Compute team at JPMorganChase, you will lead Advanced Capabilities Engineering for the firm's Mainframe and Midrange ...
Sr Director of Infra Engineering-Advanced Capability Engineering for Mainframe Midrange Compute P...
$238.20K/yr
As a Senior Director of Infrastructure Engineering in the Mainframe and Midrange Compute team at JPMorganChase, you will lead Advanced Capabilities Engineering for the firm's Mainframe and Midrange ...
We are currently looking for Journeymen Computer Programmer to join our team. Duties and ... Acts as a senior technical resource and subject matter expert in IBM mainframe COBOL architecture ...
We are currently looking for Journeymen Computer Programmer to join our team. Duties and ... Acts as a senior technical resource and subject matter expert in IBM mainframe COBOL architecture ...
Senior Developer - IBM z/OS Connect
$51 - $67.25/hr
As a Senior Developer - IBM z/OS Connect, you will be an integral part of the mainframe modernization initiatives supporting innovative digital transformation projects. The ideal candidate will ...
Senior Developer - IBM z/OS Connect
$51 - $67.25/hr
As a Senior Developer - IBM z/OS Connect, you will be an integral part of the mainframe modernization initiatives supporting innovative digital transformation projects. The ideal candidate will ...
As a Software Engineer Sr. within PNC's Technology organization, you will be part of the HR Core ... You'll lead ETL workflows, mainframe JCL jobs, file transmissions, and monitoring across a complex ...
As a Software Engineer Sr. within PNC's Technology organization, you will be part of the HR Core ... You'll lead ETL workflows, mainframe JCL jobs, file transmissions, and monitoring across a complex ...
We are currently looking for Journeymen Computer Programmer to join our team. Duties and ... Acts as a senior technical resource and subject matter expert in IBM mainframe COBOL architecture ...
We are currently looking for Journeymen Computer Programmer to join our team. Duties and ... Acts as a senior technical resource and subject matter expert in IBM mainframe COBOL architecture ...
We are currently looking for Journeymen Computer Programmer to join our team. Duties and ... Acts as a senior technical resource and subject matter expert in IBM mainframe COBOL architecture ...
Quick apply
We are currently looking for Journeymen Computer Programmer to join our team. Duties and ... Acts as a senior technical resource and subject matter expert in IBM mainframe COBOL architecture ...
Senior Mainframe Programmer information
What is the difference between Senior Mainframe Programmer vs Mainframe Developer?
| Aspect | Senior Mainframe Programmer | Mainframe Developer |
|---|---|---|
| Credentials | Typically requires a mainframe programming certification and several years of experience | Often requires similar certifications and experience, focusing on coding and development |
| Work Environment | Works primarily on legacy mainframe systems within financial, insurance, or government sectors | Develops and maintains mainframe applications, often in similar industries |
| Employer & Industry Usage | Commonly employed by large corporations with mainframe infrastructure | Used interchangeably with mainframe programmer, focusing on application development |
The main difference between a Senior Mainframe Programmer and a Mainframe Developer is primarily experience level and scope. Senior Mainframe Programmers often have more responsibilities, including overseeing projects and mentoring junior staff, while Mainframe Developers focus on coding and application creation. Both roles require similar credentials and are vital in industries relying on legacy mainframe systems.
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What are popular job titles related to Senior Mainframe Programmer jobs in Ohio? For Senior Mainframe Programmer jobs in Ohio, the most frequently searched job titles are:
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Job description
Job Description
ITTConnect is seeking a Senior Mainframe Developer (zOS Environment) to work on site for a client in the Columbus, OH area. This is a contract position with a client that is a global leader in consulting, digital transformation, technology and engineering services with over 300,000 team members in nearly 50 countries. The end client is in the Utilities sector.
Job location: Columbus, OH or Nashville, TN (both locations would be for on site work)
We are seeking a Senior Mainframe Developer to support a critical legacy platform (MACSS) as part of a large-scale modernization initiative tied to the adoption of the Gigawatt AI platform.
This role sits at the intersection of legacy system stability and modern platform enablement, where core mainframe applications are being API-enabled and integrated into an AI-driven utility platform. You will play a key role in ensuring that foundational systems are scalable, reliable, and ready to support real-time data access and service exposure.
Key Responsibilities:
Why This Role Matters
This position is critical in enabling the organization's transition to a modern, API-driven architecture by ensuring the stability and scalability of its core legacy systems.
Requirements
Preferred Qualifications:
ITTConnect is seeking a Senior Mainframe Developer (zOS Environment) to work on site for a client in the Columbus, OH area. This is a contract position with a client that is a global leader in consulting, digital transformation, technology and engineering services with over 300,000 team members in nearly 50 countries. The end client is in the Utilities sector.
Job location: Columbus, OH or Nashville, TN (both locations would be for on site work)
We are seeking a Senior Mainframe Developer to support a critical legacy platform (MACSS) as part of a large-scale modernization initiative tied to the adoption of the Gigawatt AI platform.
This role sits at the intersection of legacy system stability and modern platform enablement, where core mainframe applications are being API-enabled and integrated into an AI-driven utility platform. You will play a key role in ensuring that foundational systems are scalable, reliable, and ready to support real-time data access and service exposure.
Key Responsibilities:
- Own and support a core mainframe application (MACSS) across production, enhancements, and project initiatives
- Develop and maintain applications using COBOL, JCL, DB2, and CICS
- Troubleshoot and resolve production issues across batch and online systems
- Collaborate with API and platform teams to enable integration via z/OS Connect services
- Support data flows and service exposure to downstream platforms (APIM, Kafka, etc.)
- Participate in system design discussions to support modernization and integration efforts
- Ensure performance, reliability, and scalability of legacy systems
Why This Role Matters
This position is critical in enabling the organization's transition to a modern, API-driven architecture by ensuring the stability and scalability of its core legacy systems.
Requirements
- 8+ years of hands-on mainframe development experience
- Strong expertise in:
- COBOL
- JCL
- DB2
- CICS
- Proven experience supporting production systems and critical applications
- Experience working in large enterprise environments (preferably utilities, banking, or insurance)
- Strong debugging and problem-solving skills in complex legacy environments
Preferred Qualifications:
- Utilities industry experience.
- Experience with IBM z/OS Connect
- Exposure to API enablement of mainframe systems
- Familiarity with event-driven architectures (Kafka or similar)
- Experience supporting systems undergoing modernization or digital transformation.
About iTTCONNECT
Sourced by ZipRecruiter
Industry
It services
Company size
11 - 50 Employees
Headquarters location
Fort Lauderdale, FL, US
Year founded
2017