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Mainframe Assembler Jobs (NOW HIRING)

Kaav Inc

Mainframe Assembler

Alpharetta, GA · On-site

$47.75 - $61.50/hr

Role: Mainframe Assembler Location: Alpharetta, GA/Omaha, NE (Locals Only) Relevant Experience: 12+ Years Roles and Responsibilities: * Senior mainframe Assembler with good hands-on project ...

Futran Tech Solutions Pvt. Ltd.

Assembler SME

$16.50 - $20.25/hr

Mainframe Assembler, TSO, JCL, and SQL. * Design and Coding experience in Assembler * Experience in developing and maintaining mainframe projects involving Assembler. * Program Analysis and reverse ...

System One

Be Seen First

Senior Mainframe/Assembler Developer - remote

Vienna, VA · Remote

$74 - $92/hr

We are currently seeking a senior Mainframe Systems Developer (Cobol/Assembler) for a long term, remote contracting position. Candidates must live in the United States, have at least 15 years of ...

Sonsoft Inc

IBM Mainframe Assembler Programmer

Omaha, NE

$46.75 - $60.25/hr

IBM Mainframe Assembler Programmer (with experience on Assembler, COBOL, JCL, VSAM, DB2, CICS, ENDEVOR, FILEAID, Debugging tools like XPEDITER/INTERTEST) Job Location : Omaha, Nebraska (Omaha is a ...

Broadcom

Mainframe Software Development Engineer

Lisle, IL · On-site

$48.25 - $62.25/hr

... Assembler, Metal C, Java and Rest APIs • Mainframe debugging skills using IPCS, VM Trace, XDC, etc. Preferred : • Expertise on Mainframe extensible frameworks such as ZOWE and dealing with pass ...

Hirekeyz Inc

Mainframe IMS DB Developer

Plano, TX · On-site

$47 - $60.25/hr

Hands-on experience in Mainframe Assembler programming, IMS, DB2 * Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming ...

Hirekeyz Inc

Mainframe IMS DB Developer

Wilmington, DE · On-site

$47.50 - $61.25/hr

Hands-on experience in Mainframe Assembler programming, IMS, DB2 * Experience in developing, debugging, and maintaining code in a large corporate environment with one or more modern programming ...

JS Consulting

Sr. Mainframe Developer

Woodlawn, MD · On-site

$51 - $65.50/hr

Experience with Mainframe Assembler development. * Certification such as IBM Mainframe Developer Professional, Interskill - Mainframe Application Programmer - COBOL and IBM Enterprise COBOL for z/OS ...

Photon

Sr Developer (FIS Systematics) - Texas

Dallas, TX · On-site

$54 - $71.25/hr

* Expert knowledge and hands-on experience in Mainframe z/OS CICS, COBOL, VSAM, JCL, MQ, XML/MLI, Change-man and various tools on the mainframe. Assembler Knowledge is a plus * Expertise in Systematics ...

Photon

Sr Developer (FIS Systematics) - Texas

Dallas, TX · On-site

$54 - $71.25/hr

* Expert knowledge and hands-on experience in Mainframe z/OS CICS, COBOL, VSAM, JCL, MQ, XML/MLI, Change-man and various tools on the mainframe. Assembler Knowledge is a plus * Expertise in Systematics ...

Prophecy Technologies

Mainframe Developer

Tampa, FL · On-site

$46.25 - $59.50/hr

Design, develop, enhance, and maintain mainframe applications using COBOL , Assembler , and related technologies. * System Maintenance & Support: * Ensure smooth operation of central processing ...

Noblesoft Technologies

Mainframe support

Weehawken, NJ · On-site

$53.25 - $68.50/hr

Preferred expertise in languages like COBOL, JCL, Assembler. * Knowledge of database management systems like DB2 and VSAM. * Understanding of mainframe security protocols, such as RACF, and best ...

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How much do mainframe assembler jobs pay per hour?

As of May 29, 2026, the average hourly pay for mainframe assembler in the United States is $53.38, according to ZipRecruiter salary data. Most workers in this role earn between $47.12 and $60.58 per hour, depending on experience, location, and employer.

What is a Mainframe Assembler job?

A Mainframe Assembler job involves programming in assembly language on IBM mainframe systems. Assemblers write low-level code to optimize system performance, handle critical processes, and interact with hardware directly. These professionals work with legacy systems, maintaining and enhancing core applications used in industries like banking, insurance, and government. Strong knowledge of IBM z/OS, JCL, and debugging tools is essential.

What are the key skills and qualifications needed to thrive in the Mainframe Assembler position, and why are they important?

To thrive as a Mainframe Assembler, you need a strong background in assembly language programming, mainframe operations, and a solid understanding of systems architecture—often backed by a degree in computer science or related field. Experience with IBM z/OS, JCL (Job Control Language), and tools such as ISPF, along with certifications like IBM Certified System Programmer, is highly beneficial. Attention to detail, problem-solving abilities, and effective communication skills help distinguish top performers in this position. These skills are crucial to ensure accurate and efficient program development, system stability, and smooth collaboration within complex mainframe environments.

What are some typical daily responsibilities of a Mainframe Assembler?

Mainframe Assemblers are typically responsible for writing, testing, and maintaining assembler language programs that run on enterprise mainframe systems. Their day-to-day tasks often include analyzing system requirements, coding program logic, debugging complex routines, and optimizing performance for high-volume processing. They frequently collaborate with systems analysts, application developers, and operations teams to ensure seamless integration and reliability of mainframe applications. Staying current with system updates and responding quickly to troubleshooting requests is also an important part of the job.
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Mainframe Assembler jobs near you
Infographic showing various Mainframe Assembler job openings in the United States as of May 2026, with employment types broken down into 80% Full Time, 6% Part Time, 1% Temporary, 9% Contract, and 4% Nights. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $111,026 per year, or $53.4 per hour.

Mainframe Assembler

Kaav Inc

Alpharetta, GA • On-site

$47.75 - $61.50/hr

Contractor

Posted 27 days ago

Job description

Role: Mainframe Assembler

Location: Alpharetta, GA/Omaha, NE (Locals Only)

Relevant Experience: 12+ Years

 

Roles and Responsibilities:

  • Senior mainframe Assembler with good hands-on project development using main frame technologies: Cobol, JCL, DB2, VSAM, CICS and Assembler.
  • Assembler and CICS knowledge are mandatory.
  • Well versed with ISPF command utilities, IOF, CA7, Endevor, File-Aid/File-master, SPUFI, REXX.
  • Exposure to incident/change management request tools.
  • Exposure any of the debugging tools for both batch and online environment (e.g., Xpeditor, abend aid).
  • Working on scrum model/Jira handling.
  • Experience in doing impact analysis, Design document creation, change release, deployment, monitoring and estimation.
  • Complete understanding of SDLC understanding
  • Willing to get involved in peak season monitoring, weekend support, release monitoring and Production support.
  • Strong knowledge in developing and implementing Online issuer Authorization applications, payment processing.
  • Lead developer in associates and Issuer mandates and enhancements.
  • Should involve in code reviews, testing and implementing the projects and perform post implementation validation.