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Senior Mainframe Developer Jobs in Mississippi (NOW HIRING)

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Senior Mainframe Developer information

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$36

$54

$63

How much do senior mainframe developer jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for senior mainframe developer in Mississippi is $54.60, according to ZipRecruiter salary data. Most workers in this role earn between $51.20 and $59.66 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.

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Senior Mainframe Developer jobs near you
Infographic showing various Senior Mainframe Developer job openings in Mississippi as of August 2026, with employment types broken down into 83% Full Time, 5% Part Time, and 12% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $113,569 per year, or $54.6 per hour.

Sr. Cobol CICS developer

Jackson, MS • On-site

Accord Technologies Inc.
IT Services • 51 - 200 employees
Learn more about Accord Technologies Inc.external

Contractor

Re-posted yesterday

Job description

Sr. Cobol CICS developer
Jackson, MS
long term
position type: contract

We are looking for a talented and highly effective Senior COBOL CICS Developer to join our development and support team.
We are currently supporting, enhancing and maintaining the statewide SNAP/TANF Eligibility Determination system.
The enhancements include use of latest technologies as needed to interface/integrate with other systems on different platforms and automation of current processes.
Enterprise System Programming experience in COBOL CICS utilizing ADABAS database.
Experienced in troubleshooting complex SNAP and TANF eligiblity determination systems in a Linux enviroment utilizing MicroFocus COBOL in enterprise developer.
Ability to create new screens and functionality to integrate with legacy system.

Experience in the analysis, design, and programming of large or complex development projects on large-scale IBM Mainframe/Linux systems.
Experience with automated eligibility determination systems specifically SNAP and TANF Eligilibty, SNAP E&T, Benefits, Benefit Recovery
Ability to provide subject matter expertise on Mainframe CICS system architectures
Ability to provide recommendations regarding enhancements to the systems and processes

Experience developing, maintaining, and updating documentation for procedures, policies, and processes