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Senior Mainframe Developer Jobs (NOW HIRING)

ApTask

Sr Mainframe Programmer

Irving, TX · On-site

They are seeking a Senior Mainframe Programmer who will be responsible for hands-on work in Mainframe Technologies. Responsibilities : • Resource should be hands-on in Mainframe Technologies: COBOL ...

ICONMA

Senior Mainframe Programmer

$50.25 - $64.50/hr

ICONMA is an IT Services and Consulting company, and they are seeking a Senior Mainframe Programmer. The role involves hands-on work with Mainframe Technologies including COBOL, VSAM, DB2, CICS, and ...

DEW Softech Inc

Sr Cobol Developer

Trenton, NJ · On-site

$50 - $65/hr

Senior Mainframe Developer / COBOL Senior Consultant Location: Trenton, NJ (Onsite) Duration : Contract Interview Type: In person Job Summary Candidates should have strong background in Cobol, ADABAS ...

Epitec, Inc.

Senior Mainframe Developer

Detroit, MI · On-site

... mainframe tools. 5+ years in the development and maintenance of business applications utilizing the full SDLC * experienced in developing the conceptual architecture / design solution for projects

Hireblazer

Senior Mainframe IMS Programmer

Austin, TX · Remote

Senior Mainframe IMS/Application Programmer Location: Austin, TX (100% Remote) Duration: 5 Months ... The client services of one (1) Developer/Programmer Analyst, Level 3, hereafter referred to as ...

Navtech, Inc.

Mainframe Developer

Jersey City, NJ · On-site

$53.75 - $69/hr

... a senior level programmer with the ability to design, develop and tests within the mainframe environment (COBOL, CICS, JCL and DB2 Must have experience on resolving production job abends and ...

Forhyre

Unisys Mainframe Developer

Phoenix, AZ · On-site

$48.75 - $62.50/hr

We are looking for a Senior Mainframes Developer to work on mainframe software application development. In a dynamic, fast paced environment the IBM zTPF operating system is the central hub for all ...

Forhyre

Unisys Mainframe Developer

Charleston, WV

$45.25 - $58.25/hr

We are looking for a Senior Mainframes Developer to work on mainframe software application development. In a dynamic, fast paced environment the IBM zTPF operating system is the central hub for all ...

Forhyre

Unisys Mainframe Developer

Dallas, TX

$48.50 - $62.25/hr

We are looking for a Senior Mainframes Developer to work on mainframe software application development. In a dynamic, fast paced environment the IBM zTPF operating system is the central hub for all ...

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Senior Mainframe Developer information

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How much do senior mainframe developer jobs pay per hour?

As of Jul 16, 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 July 2026, with employment types broken down into 85% Full Time, 3% Part Time, 1% Temporary, and 11% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $119,916 per year, or $57.7 per hour.

Mid Level - Mainframe Programmer

STAFFXPERT LLC

Irving, TX • On-site

Other

Posted 2 days ago

New

Job description

Job Title: Sr. Mainframe Programmer
Location: Hybrid – Brookfield, WI / Richfield, MN / Chicago, IL / Irving, TX / Atlanta, 

Job Description
STAFFXPERT is seeking an experienced Sr. Mainframe Programmer with 5+ years of hands-on experience in Mainframe technologies. The ideal candidate should have strong expertise in Mainframe application development, maintenance, enhancements, debugging, and production support.

Required Skills
  • 5+ years of experience in Mainframe Development.
  • Strong hands-on experience with:
    • COBOL
    • VSAM
    • DB2
    • CICS
    • JCL
  • Experience working across the Software Development Life Cycle (SDLC).
  • Strong problem-solving, debugging, and analytical skills.
  • Ability to support and maintain enterprise Mainframe applications.

Preferred Skills
  • Experience with Git for source code/version control.
  • Experience with IBM Developer for z/OS (IDz).

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