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Senior Mainframe Developer Jobs in Columbus, OH (NOW HIRING)

Randstad Digital

Senior Mainframe Developer

Columbus, OH · On-site

$59 - $60/hr

... mainframe environment. - Participate actively in Agile ceremonies, contributing to sprint planning, refinement, and retrospectives. - Collaborate cross-functionally with engineering teams to ensure ...

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Accenture

Mainframe Specialist

Columbus, OH

$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 ...

Accenture

Mainframe Specialist

Hartford, OH

$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 ...

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.

Liberty Mutual

Senior Test Engineer

Columbus, OH

Experience integrating automated testing into CI/CD pipelines using tools such as Jenkins, GitHub Actions, Azure DevOps, or similar platforms. Working knowledge of mainframe technologies, for backend ...

Safelite Group

Senior Data Engineer

Columbus, OH · On-site

$102K - $139K/yr

A Brief Overview The Senior Data Engineer at Safelite is responsible for implementing and ... Experience architecting ingestion patterns from legacy softwares such as IBM VSAM Mainframes ...

Safelite Group, Inc.

Senior Data Engineer

Columbus, OH · On-site

$102K - $139K/yr

A Brief Overview The Senior Data Engineer at Safelite is responsible for implementing and ... Experience architecting ingestion patterns from legacy softwares such as IBM VSAM Mainframes ...

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How much do senior mainframe developer jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for senior mainframe developer in Columbus, OH is $53.87, according to ZipRecruiter salary data. Most workers in this role earn between $50.53 and $58.85 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 popular job titles related to Senior Mainframe Developer jobs in Columbus, OH?

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Senior Mainframe Developer jobs near you
Infographic showing various Senior Mainframe Developer job openings in Columbus, OH as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $112,043 per year, or $53.9 per hour.

Senior Mainframe Developer

Randstad Digital

Columbus, OH • On-site

$59 - $60/hr

Other

Medical, Dental, Vision, Life, Retirement

Posted yesterday

New

Job description

job summary:

The ideal candidate will bring deep technical expertise in COBOL, CICS, DB2 and JCL plus the ability to grasp an understanding of complex enterprise environments. This role will contribute to major project initiatives, collaborating closely with engineering peers, product teams, and business partners to deliver high?quality, scalable solutions. Engineer II most often use agile techniques and are a part of a larger, cross-functional team. There will also be a need to support on-call both business hours and off-hours.


location: Columbus, Ohio
job type: Contract
salary: $59 - 60 per hour
work hours: 8am to 5pm
education: Bachelors
responsibilities:

Key Responsibilities


- Design, develop, test, and implement mainframe-based solutions using COBOL, DB2, CICS, and JCL.


- Analyze system requirements and translate them into high?quality technical deliverables.


- Troubleshoot, optimize, and enhance existing code within a high?availability mainframe environment.


- Participate actively in Agile ceremonies, contributing to sprint planning, refinement, and retrospectives.


- Collaborate cross-functionally with engineering teams to ensure alignment on project goals and technical approaches.


qualifications:

Required Skills & Experience


- 7+ years of hands-on experience with:


o COBOL


o DB2


o CICS


o JCL


- Strong understanding of Agile SDLC methodologies.


- Excellent problem-solving skills with the ability to work independently and collaboratively.


- Exceptional communication skills, both verbal and written.


- Demonstrated ability to work effectively within complex, large-scale mainframe environments.


Nice-to-Have Skills


- Experience with Azure or AWS cloud environments.


- Background working in both team-driven and individual contributor roles.


- Ability to follow detailed instructions and process documentation.


skills:

Agile,Agile SDLC,AWS cloud environments,COBOL,CICS,DB2,JCL,Azure,sprint planning,system requirements,work effectively,Troubleshoot,problem-solving skills,ability to work independently,deep technical expertise,process documentation



Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.
At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact
Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).
This posting is open for thirty (30) days.

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