ZipRecruiter

Log In

1

Mainframe Assembler Programmer Jobs (NOW HIRING)

Synapse Tech Services Inc

Mainframe Assembler

Wilmington, DE · On-site

$47.50 - $61/hr

IBM Assembler (HLASM) Programming * IBM z/OS * Mainframe Application Development * SDLC * Debugging & Troubleshooting * Mainframe Performance Tuning * Technical Documentation * Mainframe System ...

Sonsoft Inc

IBM Mainframe Assembler Programmer

Omaha, NE · On-site

$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 ...

Kaav Inc

Mainframe Assembler

Alpharetta, GA · On-site

$47.75 - $61.50/hr

Mainframe Assembler Location: Alpharetta, GA/Omaha, NE (Locals Only) Relevant Experience: 12+ Years ... Lead developer in associates and Issuer mandates and enhancements. * Should involve in code reviews ...

Percient Inc.

Mainframe Developer

Wilmington, DE · On-site

$47.50 - $61/hr

Mainframe Developer Location: Wilmington, DE * Design, coding, and testing ... Mainframe assemblers are responsible for designing, coding, and testing application programs using ...

New

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 ...

Sonsoft Inc

Mainframe Assembler Consultant

Omaha, NE · On-site

Exposure to Assembler programming on CICS environment. Strong technical aptitude and experience with the software tools and techniques used in software development Strong collaboration skills and ...

Broadcom

Mainframe Software Development Engineer

Lisle, IL · On-site

$48.25 - $62.25/hr

Mainframe Assembler, Metal C, Java and Rest APIs * Mainframe debugging skills using IPCS, VM Trace, XDC, etc. * Bachelors in Engineering and 8+ years of related experience; at this level postgraduate ...

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 ...

MM International

Adabas mainframe

Atlanta, GA · Remote

$50.25 - $64.50/hr

Adabas mainframe Looking for a ADABAS DBA/ Developer/ ADABAS production support/ Mainframe ... Assembler programming Minimum EDUCATIONAL and EXPERIENCE REQUIREMENTS University Degree (B.S.) and ...

next page

Showing results 1-20

All JobsMainframe Assembler Programmer Jobs

Mainframe Assembler Programmer information

See salary details

$38

$54

$66

How much do mainframe assembler programmer jobs pay per hour?

As of Jul 26, 2026, the average hourly pay for mainframe assembler programmer in the United States is $54.11, according to ZipRecruiter salary data. Most workers in this role earn between $47.12 and $63.22 per hour, depending on experience, location, and employer.

What are some typical day-to-day responsibilities for a Mainframe Assembler Programmer?

As a Mainframe Assembler Programmer, your daily tasks often include writing, testing, and debugging assembler code to support core business applications and system utilities. You’ll work closely with systems analysts, application developers, and operations teams to troubleshoot issues, optimize program performance, and implement software enhancements. Regular responsibilities may also involve reviewing system logs, maintaining documentation, and participating in system upgrades or migrations. The role often requires a proactive approach to problem-solving and collaboration within a structured, process-driven team environment.

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

To thrive as a Mainframe Assembler Programmer, you need strong expertise in low-level programming, a deep understanding of mainframe architectures (such as IBM z/OS), and often a degree in computer science or related field. Familiarity with tools like TSO, ISPF, JCL, and debugging utilities, along with experience using source control and system monitoring software, is highly valued, and certifications in mainframe technology can be beneficial. Excellent problem-solving abilities, meticulous attention to detail, and effective communication skills help you succeed in complex, team-based environments. These technical and interpersonal abilities are critical for maintaining system reliability, ensuring performance, and supporting business operations across large-scale enterprises.

Is mainframe developer a good career?

Mainframe assembler programmers are specialized IT professionals who work with legacy mainframe systems, often requiring knowledge of assembly language and mainframe environments like z/OS. The role offers stable employment opportunities, competitive salaries, and demand in industries such as finance and government, but it may require ongoing skill updates due to evolving technology. Overall, it can be a good career for those interested in mainframe systems and legacy technology maintenance.

How much do mainframe programmers make?

Mainframe assembler programmers typically earn between $70,000 and $120,000 annually, depending on experience, location, and certifications. Skilled programmers with expertise in legacy systems and mainframe tools are often in high demand and may command higher salaries.

Is Assembler a good career?

A Mainframe Assembler Programmer is a specialized role that involves writing low-level code for mainframe systems, often requiring knowledge of legacy technologies and assembly language. It can offer stable employment and competitive salaries due to the niche skill set, but job opportunities may be limited as many organizations transition to modern programming languages. Continuous learning of related tools and maintaining technical expertise are important for career growth in this field.

Can AI replace mainframe?

Mainframe Assembler Programmers work with legacy systems that require specialized knowledge of assembly language and mainframe architecture. While AI can assist with code analysis and automation, it is unlikely to fully replace mainframe programmers due to the complexity and critical nature of mainframe operations, which often demand expert understanding and manual oversight.

What is a Mainframe Assembler Programmer job?

A Mainframe Assembler Programmer is responsible for writing, maintaining, and optimizing assembly language programs that run on mainframe computers. They work with low-level machine instructions to develop high-performance applications, often in industries like banking, insurance, and government. Their role includes debugging, performance tuning, and integrating new or existing software with mainframe systems. Strong knowledge of IBM mainframes, z/OS, and tools like High-Level Assembler (HLASM) is essential.

More about Mainframe Assembler Programmer jobs
What cities are hiring for Mainframe Assembler Programmer jobs? Cities with the most Mainframe Assembler Programmer job openings:
What are the most commonly searched types of Mainframe Assembler Programmer jobs? The most popular types of Mainframe Assembler Programmer jobs are:
What states have the most Mainframe Assembler Programmer jobs? States with the most job openings for Mainframe Assembler Programmer jobs include:
What job categories do people searching Mainframe Assembler Programmer jobs look for? The top searched job categories for Mainframe Assembler Programmer jobs are:
Mainframe Assembler Programmer jobs near you
Infographic showing various Mainframe Assembler Programmer job openings in the United States as of July 2026, with employment types broken down into 87% Full Time, 3% Part Time, 1% Temporary, 5% Contract, and 4% Nights. Highlights an 100% Physical job distribution, with an average salary of $112,558 per year, or $54.1 per hour.
Mainframe Assembler

Mainframe Assembler

Synapse Tech Services Inc

Wilmington, DE • On-site

$47.50 - $61/hr

Other

Posted 8 days ago

Job description

Please share your resume to Fasi at synapsetechservice dot com

Job Title: Mainframe Assembler
Location: Wilmington, DE (No Remote Option)- 100% Onsite (5 Days/Week)
Job Type: Contract

Experience: 10+ Years
Position ID: Mphasis-117486-12-1:

Required Skills:

  • IBM Assembler (HLASM) Programming
  • IBM z/OS
  • Mainframe Application Development
  • SDLC
  • Debugging & Troubleshooting
  • Mainframe Performance Tuning
  • Technical Documentation
  • Mainframe System Support
  • JCL
  • COBOL (Preferred)
  • CICS (Preferred)
  • DB2 (Preferred)

Job Responsibilities:

  • Design, develop, code, and test applications using IBM Assembler.
  • Work across all phases of the Software Development Life Cycle (SDLC).
  • Debug and troubleshoot mainframe applications to ensure optimal performance.
  • Develop and maintain technical documentation for assembler programs.
  • Provide technical support for mainframe systems and ensure adherence to coding standards.
  • Optimize application performance and maintain system reliability.
  • Collaborate with system architects, analysts, and cross-functional teams to translate business requirements into efficient low-level machine code.
  • Stay updated with the latest mainframe technologies and assembler programming practices.

Requirements:

  • 10+ years of hands-on experience in Mainframe Assembler programming.
  • Strong expertise with IBM z/OS operating system.
  • Experience with the complete SDLC.
  • Excellent debugging and problem-solving skills.
  • Strong knowledge of mainframe architecture and system programming.
  • Experience with JCL; knowledge of COBOL, CICS, and DB2 is a plus.
  • Excellent communication and documentation skills.

Apply