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Senior Mainframe Developer Jobs in Ohio (NOW HIRING)

Syntricate Technologies

Mainframe Zos

Columbus, OH · On-site

$45.75 - $58.75/hr

Position-Mainframe Zos Duration-Contract Location- COLUMBUS, OHIO JD z/OS Proficiency: Deep ... Regards, Pallavi Verma Sr. Technical Recruiter | Syntricate Technologies Inc. Direct : 781-552-4333 ...

Deloitte

Senior Automation Engineer

Cleveland, OH · Hybrid

$100K - $132K/yr

Collaborate closely with Java developers, Mainframe engineers, product managers, and project ... As an experienced Senior Automation Engineer ,you will have the ability to share new ideas and ...

Deloitte

Senior Automation Engineer

Cincinnati, OH · Hybrid

$99K - $131K/yr

Collaborate closely with Java developers, Mainframe engineers, product managers, and project ... As an experienced Senior Automation Engineer ,you will have the ability to share new ideas and ...

USM

Urgent Need Sr JAVA Developer

Cincinnati, OH · On-site

$55 - $70/hr

... 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 ...

BC Forward

Senior Software Engineer III

Cincinnati, OH · On-site

$70 - $80/hr

The ideal candidate will have strong experience in object-oriented development, mainframe or open ... Follow best practices, participate in code reviews, and engage with developer communities of ...

USM

Urgent Need Sr. Java Developer

Cincinnati, OH

$55 - $70/hr

... 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 ...

E-Solutions

COBOL Developer

Columbus, OH · On-site

$47 - $63.50/hr

COBOL Developer Alpharetta, GA, Columbus, OH, Lincoln, NE Team and Responsibilities As a Sr. ... Experience with mainframe development languages such as Cobol. * Experience with C programming is ...

SARIAN Co

Sr WebMethods Developer

Columbus, OH · On-site

Webmethods developer Must have technical skills: WebMethods development experience using ... Knowledge on WM integration with mainframe/salesforce/google cloud is a plus.

Medical Mutual of Ohio

Senior Security Engineer

Dublin, OH · On-site

$110K - $151K/yr

The Senior Security Engineer is a hands-on technical role responsible for implementing, configuring ... mainframe provisioning, and audit liaison. Escalates issues to management for resolution.

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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 5, 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:
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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:
What are popular job titles related to Senior Mainframe Developer jobs in OH? For Senior Mainframe Developer jobs in OH, the most frequently searched job titles are:
Senior Mainframe Developer jobs near you
Infographic showing various Senior Mainframe Developer job openings in Ohio as of June 2026, with employment types broken down into 66% Full Time, 28% Part Time, 3% Temporary, and 3% Contract. Highlights an 83% Physical, 6% Hybrid, and 11% Remote job distribution, with an average salary of $114,004 per year, or $54.8 per hour.
Mainframe Network

Mainframe Network

Tata Consultancy Services

Columbus, OH • On-site

Full-time

Posted 25 days ago

Tata Consultancy Services rating

6.5

Company rating: 6.5 out of 10

Based on 21 frontline employees who took The Breakroom Quiz

157th of 207 rated it services

Job description

Job Summary:
Tata Consultancy Services is a leading global IT services, consulting, and business solutions organization. They are seeking a Senior Engineer specializing in Mainframe Network to oversee network operations and ensure high availability of mainframe connectivity, manage incidents, and enforce security compliance.
Responsibilities:
• Perform 24x7 monitoring of mainframe network components and connectivity
• Monitor TCP/IP stack, ports, sessions, and communication failures
• Track alerts, logs, and performance metrics using monitoring tools
• Ensure high availability and stability of network services
• Configure and manage z/OS TCP/IP stack and profiles
• Manage ports, IP addressing, DNS resolution, and routing
• Ensure connectivity between:
• Mainframe ↔ Distributed systems
• Mainframe ↔ External applications (middleware, APIs)
• Support inter-LPAR communication (Sysplex, HiperSockets)
• Identify, analyze, and resolve network-related incidents (P1/P2/P3)
• Troubleshoot:
• Connection failures
• Port/service issues
• MQ/DB2/CICS connectivity problems
• Perform root cause analysis (RCA) and provide resolution
• Act as single point of contact for network issues (L2)
• Implement changes to network configurations (TCP/IP, security rules, ports)
• Participate in:
• CAB meetings
• Change implementation and validation
• Maintain network configuration documentation
• Ensure minimal disruption during changes
• Administer network-level security controls using RACF
• Implement access controls for ports, services, and users
• Support audits and compliance requirements (NERC/CIP, SOX)
• Perform vulnerability and patch management activities
• Ensure network connectivity for:
• CICS (transaction systems)
• DB2 (database connections)
• MQ (message queues)
• Support distributed integration (WebSphere, APIs, external apps)
• Troubleshoot application-level network issues
• Monitor network performance (latency, throughput, session usage)
• Identify bottlenecks and optimize configurations
• Provide inputs for capacity planning (IP usage, bandwidth)
• Generate performance reports and KPIs
• Support HA setup and failover mechanisms
• Participate in DR drills and recovery testing
• Ensure network readiness during IPLs and system restarts
• Maintain network redundancy and resiliency
Qualifications:
Required:
• BACHELOR OF COMPUTER SCIENCE
• 10 - 23 Years of experience
• z/OS fundamentals
• TCP/IP networking
• VTAM/SNA
• RACF security
• monitoring tools (SDSF, NETSTAT)
• middleware connectivity (CICS, DB2, MQ)
• Incident & change management
• performance monitoring
• capacity planning
• automation (REXX scripting)
• 24x7 production support
• strong troubleshooting ability
• stakeholder coordination
• compliance awareness (SOX/NERC-CIP)
Company:
Tata Consultancy Services is a business solutions company that specializes on information technology services and consulting. It is a sub-organization of Tata Group. Founded in 1968, the company is headquartered in Mumbai, IND, with a team of 10001+ employees. The company is currently Late Stage.

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About Tata Consultancy Services

Sourced by ZipRecruiter

Tata Consultancy Services is an IT services, consulting and business solutions organization that delivers real results to global business, ensuring a level of certainty no other firm can match. TCS offers a consulting-led, integrated portfolio of IT, BPO, infrastructure, engineering, and assurance services. This is delivered through its unique Global Network Delivery Model™, recognized as the benchmark of excellence in software development. TCS delivers a level of certainty that no other firm can match--to our clients and to our employees. Come join us and experience certainty in your career. TCS a global Consulting and IT Services firm that is ranked in the top quartile by industry analysts. Our 2021 fiscal revenues topped $25 B and our market capitalization is over $170+B, yet we have a deep and large history of philanthropy and corporate social responsibility. Now approaching 600K of the best IT professionals and consultants, we are a trusted advisor, guiding our clients' enterprises through growth and transformation journeys - helping them to become agile, intelligent, automated and on the cloud. We are devoted to DEI and are recognized as a top employer and place to work.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Edison, NJ, US

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