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Mainframe Development Jobs in Delaware, OH (NOW HIRING)

Huntington

Mainframe Systems Engineer III

Columbus, OH

$167K - $198K/yr

The Mainframe Systems Engineer III candidate must have experience in one or more of the following ... in solution development, maintenance of templates, playbooks and automation used during ...

Virtusa Corporation

Lead Software Engineer

Columbus, OH · On-site

8 to 10 Yrs of experience in the Mainframe & Java Modernisation space. The Candidate has experience ... Understanding and experience of Product Development Life Cycle, Business Requirement Specification ...

Wells Fargo

Senior Infrastructure Engineer

Columbus, OH · On-site

$104K - $142K/yr

Wells Fargo is seeking a Senior Infrastructure Engineer to support our core banking mainframe ... Design, code, test, debug and document programs using Agile development practices * Design complex ...

Medical Mutual of Ohio

IT Security Specialist

Dublin, OH · On-site

... mainframe provisioning, and audit liaison. Escalates issues to management for resolution. Responsibilities: * Works with all areas of the company to review projects relating to Development, Servers ...

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Mainframe Development information

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How much do mainframe development jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for mainframe development in Delaware, OH is $50.66, according to ZipRecruiter salary data. Most workers in this role earn between $44.71 and $57.50 per hour, depending on experience, location, and employer.

What is the difference between Mainframe Development vs Mainframe Testing?

AspectMainframe DevelopmentMainframe Testing
Primary FocusDesigning, coding, and maintaining mainframe applicationsVerifying and validating mainframe applications for bugs and performance
Required SkillsCOBOL, JCL, DB2, CICSTesting tools, scripting, debugging, knowledge of mainframe environments
Work EnvironmentDevelopment teams, coding in mainframe environmentsQuality assurance teams, testing labs, mainframe systems
CertificationsCOBOL certifications, IBM mainframe certificationsISTQB, mainframe testing certifications

While Mainframe Development involves creating and maintaining mainframe applications, Mainframe Testing focuses on ensuring those applications work correctly and efficiently. Both roles require knowledge of mainframe environments and related skills, but they serve different stages in the software lifecycle.

Is mainframe development a good career?

Mainframe development is a stable career with high demand in industries like finance and government that rely on legacy systems. It requires knowledge of languages such as COBOL and tools like JCL, and often offers competitive salaries and job security due to the specialized skills involved.

Is mainframe development still in demand?

Mainframe development remains in demand in industries such as finance, government, and healthcare that rely on legacy systems for critical operations. Skilled mainframe developers with knowledge of COBOL, JCL, and mainframe environments are sought after to maintain and modernize these systems, ensuring their continued relevance in enterprise IT infrastructure.

What does a mainframe developer do?

A mainframe developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They work in environments that require high reliability and security, and typically collaborate with system administrators and analysts to ensure smooth operation of enterprise systems.
Mainframe Development jobs near you
Infographic showing various Mainframe Development job openings in Delaware, OH as of August 2026, with employment types broken down into 1% As Needed, 80% Full Time, 16% Part Time, 2% Contract, and 1% Nights. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $105,381 per year, or $50.7 per hour.

Mainframe Technology Support III

Columbus, OH • On-site

JP Morgan Chase
Finance and Insurance • 10K+ employees
Learn more about JP Morgan Chaseexternal

Full-time

Medical, Retirement

Posted 13 days ago

Key responsibilities

  • Support end-to-end application and infrastructure service delivery to ensure successful business operations of the firm

  • Monitor production environments for anomalies, address issues, and contribute to the utilization of standard observability tools

  • Participate in incident, problem, and change management in support of full-stack technology systems, applications, and infrastructure

JPMorgan Chase & Co. rating

7.9

Company rating: 7.9 out of 10

Based on 500 frontline employees who took The Breakroom Quiz

Job description

Are you passionate about solving complex technology challenges at scale? At JPMorganChase, we offer you the opportunity to contribute to critical infrastructure operations that power some of the world's most important financial services - and to grow your career alongside some of the brightest minds in the industry.

As a Technology Support III at JPMorganChase as part of our Mainframe and Mid-Range Compute Site Reliability and Engineering team, you will apply your knowledge and expertise across infrastructure support and the software development lifecycle. You'll collaborate with stakeholders daily to maintain stability, availability, and continuous improvement across a globally distributed environment. We embrace a culture of experimentation and constantly strive for improvement and learning - you'll work in a collaborative, trusting, thought-provoking environment that encourages diversity of thought and creative solutions in the best interests of our customers, globally.

Job responsibilities

  • Support end-to-end application and infrastructure service delivery to ensure successful business operations of the firm
  • Execute policies and procedures that maintain operational stability and availability across a 24x7 production environment
  • Monitor production environments for anomalies, address issues, and contribute to the utilization of standard observability tools
  • Communicate issues and solutions to business and technology stakeholders, actively participating from incident resolution through service restoration
  • Participate in incident, problem, and change management in support of full-stack technology systems, applications, and infrastructure
  • Contribute to bridge calls and communicate effectively with individuals across various levels of the organization
  • Administer and troubleshoot Mainframe-related components, supporting continuous operational health and performance
  • Uses enterprise-authorized AI capabilities within the work environment to speed up incident triage and trend analysis from operational signals, validating outputs and handling operational data according to sensitivity and security requirements.
  • Applies reuse-first, AI-assisted practices within incident/problem/change routines to identify recurring interruption patterns and support validated remediation actions aligned to resiliency and security expectations.

Required qualifications, capabilities, and skills

  • Formal training or certification on technology support concepts and 3+ years applied experience
  • 3+ years of experience working in or supporting IBM z-Series environments
  • Understanding of infrastructure architecture including servers, storage, network, database, and application components
  • Working knowledge of replication technologies such as IBM CSM and GDPS
  • Experience supporting z-Series and Hardware Management Console (HMC) administration, including firmware and microcode upgrades
  • Working knowledge of security standards including SSH protocol, transaction-based systems, IMS, CICS, DB2, and WebSphere
  • Experience using ServiceNow for ticket and resolution management, with familiarity in incident, problem, and change management processes
  • Ability to troubleshoot priority incidents and contribute to post-mortem reviews to support permanent closure of incidents
  • Demonstrated experience using enterprise-authorized AI capabilities within the work environment to support production support workflows with strong validation habits and awareness of data sensitivity.
  • Ability to review and validate AI-assisted incident recommendations before action, escalating when uncertain and following operational and security expectations.

Preferred qualifications, capabilities, and skills

  • Working knowledge of one or more general-purpose programming languages and/or automation scripting, with exposure to Python development
  • Familiarity with Site Reliability Engineering principles, including automating manual operational tasks
  • Exposure to batch scheduling tools such as CA-7, Control-M, or Zeke, along with a basic understanding of Job Control Language (JCL)
  • Experience with Netcool support in a large-scale environment
  • Demonstrated ability to collaborate with IBM z-Series engineering teams on architecture, stability, and continuous improvement initiatives
JPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P. Morgan and Chase brands. Our history spans over 200 years and today we are a leader in investment banking, consumer and small business banking, commercial banking, financial transaction processing and asset management.

We offer a competitive total rewards package including base salary determined based on the role, experience, skill set and location. Those in eligible roles may receive commission-based pay and/or discretionary incentive compensation, paid in the form of cash and/or forfeitable equity, awarded in recognition of individual achievements and contributions. We also offer a range of benefits and programs to meet employee needs, based on eligibility. These benefits include comprehensive health care coverage, on-site health and wellness centers, a retirement savings plan, backup childcare, tuition reimbursement, mental health support, financial coaching and more. Additional details about total compensation and benefits will be provided during the hiring process. 

We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.

JPMorgan Chase & Co. is an Equal Opportunity Employer, including Disability/Veterans

Our professionals in our Corporate Functions cover a diverse range of areas from finance and risk to human resources and marketing. Our corporate teams are an essential part of our company, ensuring that we're setting our businesses, clients, customers and employees up for success.

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