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Senior Mainframe Developer Jobs (NOW HIRING)

Palnar

Sr. Mainframe Developer

Jersey City, NJ · On-site

$53.75 - $69/hr

Job Role: Sr. Mainframe Developer Location: Jersey City, NJ Duration Long Term * Minimum of 10 years' experience with COBOL, DB2, Command-Level CICS, JCL, Batch and TSO/ISPF. * Similar experience ...

Argyle Infotech

Sr. Mainframe Developer

Charlotte, NC · On-site

$47.75 - $61.50/hr

Sr. Mainframe Developer Location: Charlotte, NC - Onsite Experience: 12+ Duration: Long Term Key Responsibilities: * Design, develop, and maintain mainframe applications utilizing Telon, COBOL, CICS ...

Diverse Lynx

Sr Mainframe Developer

Wilmington, DE · On-site

Sr Mainframe Developer We are looking for a candidate with 10 or more years of experience who is comfortable with an in-person interview. The candidate should have strong experience in MQ and IMS.

Mindlance

Sr. Mainframe Developer

Dallas, TX · On-site

$48.75 - $62.50/hr

Title: Sr. Mainframe Developer Location: Tampa, FL, 33647 or Dallas, TX, 75019 or Jersey City, NJ, 07310 Type: Long Term Contract Position Summary: Responsible for the analysis of project ...

JS Consulting

Sr. Mainframe Developer

Woodlawn, MD · On-site

$51 - $65.50/hr

Job Title- Sr. Mainframe Developer Project Location - Woodlawn, MD (5 days per week onsite) Duration- 6+ months contract Skills: Strong experience with IBM z/OS (OS/390/MVS) environment developing ...

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How much do senior mainframe developer jobs pay per hour?

As of Jun 26, 2026, the average hourly pay for senior mainframe developer in the United States is $57.65, according to ZipRecruiter salary data. Most workers in this role earn between $54.09 and $62.98 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.
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Senior Mainframe Developer jobs near you
Infographic showing various Senior Mainframe Developer job openings in the United States as of June 2026, with employment types broken down into 9% Full Time, 73% Part Time, 9% Temporary, and 9% Contract. Highlights an 83% Physical, 6% Hybrid, and 11% Remote job distribution, with an average salary of $119,916 per year, or $57.7 per hour.

Senior Mainframe Developer

Futran Tech Solutions Pvt. Ltd.

San Mateo, CA • On-site

Other

Posted 15 days ago

Job description

Senior Mainframe Developer

Location: San Mateo, CA

Key Responsibilities
  • Architect and deliver mission-critical financial processing platforms, using Enterprise COBOL, JCL, CICS/IMS, and advanced DB2 engineering.
  • Own highly complex mainframe components end-to-end, applying enterprise architecture, regulated financial systems expertise, and production ownership.
  • Design and optimize ultra-high-volume batch and real-time systems, using advanced batch frameworks, scheduler integration, DB2 performance tuning, and parallel processing.
  • Build shared services, data interfaces, and reusable frameworks that enable downstream development teams, leveraging large-scale financial data engineering and reconciliation platforms.
  • Lead hybrid integration and service enablement initiatives, using MQ, Kafka, REST APIs, z/OS Connect EE, and event-driven architectures.
  • Drive modernization and DevOps enablement, applying CI/CD pipelines, automated regression testing, Git/Jenkins, and deployment automation for z/OS.
  • Engineer high-availability and resiliency solutions, using Parallel Sysplex concepts, multi-LPAR design, and disaster recovery engineering.
  • Act as a technical authority for critical system issues, performing deep root-cause analysis, performance optimization, and long-term remediation.
  • Design secure, audit-grade financial systems, leveraging RACF/ACF2, encryption, regulatory controls, data lineage, and historical replay frameworks.
  • Deliver specialized financial platform capabilities, applying rare expertise such as investment accounting system internals, asset servicing workflows, and large-scale reconciliation engines.

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