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Mainframe Developer Jobs in Kentucky (NOW HIRING)

Deloitte

Mainframe Developer

Louisville, KY · On-site

$47 - $60.50/hr

Deloitte is a leading professional services firm that seeks an experienced Mainframe Developer to work collaboratively in a technology-driven environment. The role involves daily development ...

Deloitte

Mainframe Developer

Louisville, KY · Hybrid

$47 - $60.50/hr

As an experienced Mainframe Developer ,you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. The Project Delivery Talent ...

Deloitte

Mainframe Techno/Functional Manager

Louisville, KY · Hybrid

$47 - $60.50/hr

Engineering as a Service provides complete design, implementation, and technology operations ... As an experienced Mainframe Techno/Functional Manager ,you will have the ability to share new ideas ...

IBM

z/OS Infrastructure Storage Consultant

Boston, KY · On-site

We are looking for a System Programmer set of skills (ISPF/SDSF, z/FS Filesystem, Unix System Services, RACF, JES parameters, SYS1.PARMLIB, SYS1.PROCLIB members.) • Deep skills in mainframe (z/OS ...

The Okonite Company

Be Seen First

Director of Information Technology

Richmond, KY · On-site

... programmers to ensure high availability, security, and scalability of our MS Windows-based ... 400 mainframe system. _____ Qualifications Required • Minimum of 10 years of progressive ...

KCC Companies

Application Developer

Louisville, KY · On-site

$100K - $120K/yr

Application Developer Company Description KCC COMPANIES is a 100% employee-owned (ESOP) leader in providing end-to-end solutions in the HVAC industry, encompassing design, installation, and service ...

KCC Manufacturing

Application Developer

Louisville, KY · Hybrid

$100K - $120K/yr

Application Developer Company Description KCC COMPANIES is a 100% employee-owned (ESOP) leader in providing end-to-end solutions in the HVAC industry, encompassing design, installation, and service ...

Hy-Tek

Software Developer

Erlanger, KY · On-site

Software Developer II Department: Software Supervisor: Director, Software Development Job Purpose: We are seeking a talented and driven Software Developer II to join our dynamic team specializing in ...

Bitwerx, Inc

Senior Developer

Lexington, KY · On-site

$54.25 - $71.50/hr

Senior Developer About the job Who are we? Bitwerx, Inc. is a team of industry experts focused on designing, building, and supporting innovative software solutions that leverage data to improve the ...

Bitwerx, Inc

Senior Developer

Lexington, KY · On-site +1

$54.25 - $71.50/hr

Senior Developer About the job Who are we? Bitwerx, Inc. is a team of industry experts focused on designing, building, and supporting innovative software solutions that leverage data to improve the ...

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Mainframe Developer information

See Kentucky salary details

$8

$46

$62

How much do mainframe developer jobs pay per hour?

As of Jun 9, 2026, the average hourly pay for mainframe developer in Kentucky is $46.36, according to ZipRecruiter salary data. Most workers in this role earn between $40.91 and $52.60 per hour, depending on experience, location, and employer.

What is the difference between Mainframe Developer vs Mainframe Analyst?

AspectMainframe DeveloperMainframe Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing and maintaining existing mainframe systems
Skills & CertificationsCOBOL, JCL, DB2, certifications like IBM Certified DeveloperCOBOL, JCL, system analysis, troubleshooting skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsSupport teams, system analysis, user support
Industry UsageFinancial services, insurance, government agenciesFinancial institutions, healthcare, government agencies

While Mainframe Developers focus on creating and implementing mainframe applications, Mainframe Analysts primarily analyze, troubleshoot, and maintain existing systems. Both roles require similar technical skills and often work within the same industries, but their core responsibilities differ in development versus support and analysis.

What are some common challenges Mainframe Developers face when integrating legacy systems with modern applications?

Mainframe Developers often encounter challenges such as ensuring compatibility between legacy systems and newer technologies, managing data migration without disrupting business operations, and maintaining the security of sensitive data. Effective communication with cross-functional teams, such as application developers and infrastructure engineers, is essential to address these challenges. Staying updated on both mainframe and modern programming practices helps ease integration and ensures long-term system reliability.

What are Mainframe Developers?

Mainframe Developers are specialized software engineers who design, develop, maintain, and troubleshoot applications on mainframe computer systems, such as IBM's z/OS. They typically work with languages like COBOL, JCL, and CICS, and are responsible for ensuring the performance, security, and reliability of mission-critical business applications. Mainframe Developers are commonly employed in industries like banking, insurance, and government, where large-scale, high-volume transaction processing is essential.

What are the key skills and qualifications needed to thrive as a Mainframe Developer, and why are they important?

To thrive as a Mainframe Developer, you need expertise in programming languages such as COBOL, JCL, and SQL, along with a strong understanding of mainframe operating systems and batch processing concepts. Familiarity with tools like IBM z/OS, DB2, CICS, and version control systems is typically required, and certifications from IBM or related organizations can be beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help Mainframe Developers excel in troubleshooting and collaborating with cross-functional teams. These skills are crucial for maintaining, optimizing, and modernizing legacy systems that are vital to many large organizations’ operations.
What are the most commonly searched types of Mainframe Developer jobs in Kentucky? The most popular types of Mainframe Developer jobs in Kentucky are:
What are popular job titles related to Mainframe Developer jobs in Kentucky? For Mainframe Developer jobs in Kentucky, the most frequently searched job titles are:
What job categories do people searching Mainframe Developer jobs in Kentucky look for? The top searched job categories for Mainframe Developer jobs in Kentucky are:
What are popular job titles related to Mainframe Developer jobs in KY? For Mainframe Developer jobs in KY, the most frequently searched job titles are:
Mainframe Developer jobs near you
Infographic showing various Mainframe Developer job openings in Kentucky as of May 2026, with employment types broken down into 91% Full Time, 3% Part Time, 3% Temporary, and 3% Contract. Highlights an 78% In-person, 3% Hybrid, and 19% Remote job distribution, with an average salary of $96,429 per year, or $46.4 per hour.
Mainframe Developer

Mainframe Developer

Deloitte

Louisville, KY • On-site

$47 - $60.50/hr

Full-time

Posted 4 days ago

Deloitte rating

8.1

Company rating: 8.1 out of 10

Based on 86 frontline employees who took The Breakroom Quiz

58th of 138 rated financial services

Job description

Job Summary:
Deloitte is a leading professional services firm that seeks an experienced Mainframe Developer to work collaboratively in a technology-driven environment. The role involves daily development, maintenance, and support of mainframe health claims applications, as well as developing and deploying code changes for claims processing systems.
Responsibilities:
• Responsible for the daily development, maintenance, and support of the mainframe health claims applications.
• Develop, test, and deploy code changes for claims processing systems based on technical specifications.
• Monitor daily batch jobs and resolve ABENDs within defined SLA timelines.
• Assist in unit and integration testing of new healthcare compliance updates.
• Maintain accurate technical documentation and runbooks for the Operate team.
Qualifications:
Required:
• 4+ years of experience in software, systems, or embedded engineering
• 4+ years of experience in Mainframe application development (COBOL, JCL, DB2)
• Experience with incident and change management processes (e.g., ServiceNow)
• Bachelor's degree, preferably in Computer Science, Information Technology, Computer Engineering, or related IT discipline; or equivalent experience
• Limited immigration sponsorship may be available
• Ability to travel 10%, on average, based on the work you do and the clients and industries/sectors you serve
Preferred:
• Experience in the healthcare/insurance domain
Company:
Deloitte is a business consulting company that offers audit, consulting, financial advisory, and tax services. Founded in 1845, the company is headquartered in London, GBR, with a team of 10001+ employees. The company is currently Late Stage.

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