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Mainframe Assembler Programmer Jobs in Texas (NOW HIRING)

Advent Global Solutions

Mainframe Cobol developer

Plano, TX

$45.75 - $59/hr

* Heavy experience in software development using IBM Assembler in the zOS operating system * Skills with system level functions such as SVCs and PC calls. * Experience working with mainframe database ...

Broadcom, Inc.

Senior Mainframe Software Engineer

Plano, TX · On-site

$117K - $154K/yr

This position is concentrated on the mainframe platform, with development in Assembler language ... Engineering Excellence Initiatives: * Take the lead in engineering excellence initiatives ...

Broadcom Inc.

Senior Mainframe Software Engineer

Plano, TX · On-site

$120 - $180/hr

Broadcom's Mainframe Software Division is looking for a talented and motivated Software Engineer ... IBM Assembler Language (HLASM) proficiency. * z/OS operating system familiarity. * Experience with ...

Broadcom Inc.

Senior Software Engineer (ICB3)

Plano, TX · On-site

$101 - $146/hr

The Datacom development team in Plano, Texas develops a leading database product for IBM mainframes ... Proficiency in IBM Assembler on z/OS, z/OS Language Environment (LE), and system‑level functions ...

Broadcom Corporation

R&D Engineer Software 3

Austin, TX

$91K - $146K/yr

Experience with mainframe VSE programming languages - Assembler and REXX, VSE macro. Together, we write the code that runs the business world. If you're ready to do the best work of your life, come ...

Broadcom

R&D Engineer Software 3

Austin, TX

$91K - $146K/yr

Experience with mainframe VSE programming languages - Assembler and REXX, VSE macro. Together, we write the code that runs the business world. If you're ready to do the best work of your life, come ...

Broadcom, Inc.

R&D Engineer Software 3

Austin, TX · On-site

$91K - $146K/yr

Experience with mainframe VSE programming languages - Assembler and REXX, VSE macro. Together, we write the code that runs the business world. If you're ready to do the best work of your life, come ...

Broadcom, Inc.

Senior Software Engineer (ICB3)

Plano, TX · On-site

$117K - $154K/yr

IBM Assembler on z/OS, z/OS Language Environment (LE) * Skills with system level functions such as ... mainframe databases like Datacom, IDMS, DB2 etc * Additional experience in one or more of the ...

AAFES

Application Sys Prog Anlst III

Dallas, TX · On-site

$72K/yr

COBOL, Assembler * IDE - IDZ preferred, Eclipse * IBM Mainframe z/OS, z/OS Connect * JCL/IBM ... FileAID * DevOPs: CI/CD concepts, GitLab, Git Bash * PuTTY, WinSCP (SSH, SFTP, SCP) * HTML, XML ...

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How much do mainframe assembler programmer jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for mainframe assembler programmer in Texas is $50.42, according to ZipRecruiter salary data. Most workers in this role earn between $43.89 and $58.89 per hour, depending on experience, location, and employer.

What are the typical day-to-day responsibilities of 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.

Are mainframe assembler programmer jobs in demand?

Mainframe assembler programmer jobs remain in demand in industries that rely on legacy systems, such as finance, government, and insurance. These roles require knowledge of mainframe environments, assembly language, and often involve maintaining or upgrading existing mainframe applications. Demand is steady due to the continued use of mainframes for critical business operations.

What are the key skills and qualifications needed to thrive as a mainframe assembler programmer?

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.

What does a mainframe assembler programmer do?

A mainframe assembler programmer writes and maintains low-level assembly language code for mainframe computers, often working on system software, utilities, or application programs. They use tools like IBM Assembler and need a strong understanding of computer architecture, machine instructions, and debugging techniques to optimize performance and ensure system stability.

Is mainframe assembler programming difficult?

Mainframe assembler programming is considered complex due to its low-level nature, requiring a strong understanding of hardware architecture, memory management, and instruction sets. It often involves detailed coding and debugging, making it challenging for those without prior experience in systems programming or assembly language. Proficiency in tools like IBM's assembler and knowledge of mainframe environments are essential for success.

What is a mainframe assembler programmer?

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.

What are the most commonly searched types of Mainframe Assembler Programmer jobs in Texas? The most popular types of Mainframe Assembler Programmer jobs in Texas are:
What are popular job titles related to Mainframe Assembler Programmer jobs in Texas? For Mainframe Assembler Programmer jobs in Texas, the most frequently searched job titles are:
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Mainframe Assembler Programmer jobs near you
Infographic showing various Mainframe Assembler Programmer job openings in Texas as of July 2026, with employment types broken down into 46% Full Time, and 54% Contract. Highlights an 68% In-person, 6% Hybrid, and 26% Remote job distribution, with an average salary of $104,865 per year, or $50.4 per hour.

Mainframe Cobol developer

Advent Global Solutions

Plano, TX

$45.75 - $59/hr

Full-time

Re-posted 19 days ago

Job description

Job Description
  • Heavy experience in software development using IBM Assembler in the zOS operating system
  • Skills with system level functions such as SVCs and PC calls.
  • Experience working with mainframe database and/or mainframe communications systems.
  • Experience with CA IDMS a plus
Qualifications
  • Demonstrates high personal integrity and ability to earn trust from others.
  • Demonstrates a growth mind-set, seeks feedback often, and is effective in continuous personal and professional development.
  • Participating in self-directed learning activities aimed at developing deep expertise within technical domain, including reading relevant publications, participating in domain forums or groups etc.
  • Advanced design/debugging/coding skills.
  • Complex problem-solving skills.
  • Communications and organization skills.
  • Team work skills.
  • Leadership skills and ability. Coaching and mentoring skills.
  • Desired Mainframe Technical Skills & Experience
  • Additional experience in one or more of the following languages: C, C++, COBOL, PL/1, ISPF CLIST, REXX, JCL.
  • Knowledge and related product expertise in one or more of the following: SQL, LE, Endevor, CICS, MQ Series, WebSphere, SNA, TCP/IP.
Additional Information

All your information will be kept confidential according to EEO guidelines.

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