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Mainframe Assembler Programmer Jobs in Texas (NOW HIRING)

Saransh Inc

Mainframe Developer - Local

Frisco, TX · On-site

$45.75 - $59/hr

Relevant Experience: 10+ Years As an experienced Software Engineer working for our leading client ... Assembler. * Working knowledge on SCRUM model/JIRA handling. * Experience in doing impact analysis ...

Advent Global Solutions

Mainframe Cobol developer

Plano, TX · On-site

$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 ...

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 ...

Morgan Stanley

Mainframe CICS Systems Engineer

Houston, TX · On-site

$46.75 - $60.25/hr

The Mainframe CICS Systems Programmer/Engineer is responsible for all phases of CICS engineering ... Assembler, COBOL and REXX coding and knowledge of CICS Exits Web application support in a CICS TS ...

Keylent Inc

Tech Lead TECHM-JOB-24677

Plano, TX · On-site

... programming languages used in mainframe environments, such as COBOL, PL/I, Assembler, or REXX. • Solid understanding of mainframe networking protocols and technologies. • Familiarity with ...

Front Door Defense

R&D Software Engineer

Plano, TX · On-site

$108 - $172.80/hr

The R&D Software Engineer 4 will perform complex code modification, testing, and debugging tasks ... Experience in software development using IBM Assembler/Metal C on the mainframe (zOS or zVSE ...

Broadcom, Inc.

R&D Software Engineer

Plano, TX · On-site

Broadcom's Mainframe Software Division (MSD) is looking for a talented and motivated Software ... Heavy experience in software development using IBM Assembler on z/OS systems. * Experience using ...

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How much do mainframe assembler programmer jobs pay per hour?

As of Sep 2, 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 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 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.

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.

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 systems, with steady demand due to the continued use of mainframes in critical operations.

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 does a mainframe assembler programmer do?

A mainframe assembler programmer writes and maintains low-level code in assembly language for mainframe computers, often working on system software, device drivers, or performance-critical applications. They use tools like IBM Assembler and need a strong understanding of hardware architecture and system operations to optimize performance and ensure reliable operation.

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:

What job categories do people searching Mainframe Assembler Programmer jobs in Texas look for?

The top searched job categories for Mainframe Assembler Programmer jobs in Texas are:

Mainframe Assembler Programmer jobs near you
Infographic showing various Mainframe Assembler Programmer job openings in Texas as of August 2026, with employment types broken down into 51% Full Time, and 49% Contract. Highlights an 81% In-person, 2% Hybrid, and 17% Remote job distribution, with an average salary of $104,865 per year, or $50.4 per hour.

Mainframe Developer - Local

Saransh Inc

Frisco, TX • On-site

$45.75 - $59/hr

Contractor

Re-posted 8 hours ago

Job description

Relevant Experience: 10+ Years

As an experienced Software Engineer working for our leading client, you serve as member of an agile team to design and deliver trusted market-leading technology products in a secure, stable, and scalable way.   Depending on the team that you join, you could be developing mobile features that give our customers and clients more control over how they bank with the client, strategizing on how big data can make client s trading systems quicker, creating the next innovation in payments for merchants, or supporting the integration of clients private and public cloud platforms.

Design and develop scalable and resilient systems using Mainframe tech to contribute to continual, iterative improvements for product teams. Executes software solutions, design, development, and technical troubleshooting. Identifies hidden problems and patterns in data and uses these insights to drive improvements to coding hygiene and system architecture. Gathers, analyzes, synthesizes, and develops visualizations and reporting from large, diverse data sets in service of continuous improvement of software applications and systems.      

                                      

  • Good hands-on of Project Development using Mainframe technologies: COBOL, JCL, DB2, JCL.
  • ISPF command/Utilities.
  • We need to check what version configuration tool they are using(Knowledge on ENDEVOR).
  • CICS(CICS with VSAM handling and CICS with DB2 handling).
  • DB2(Cobol with DB2 programming knowledge).
  • File aid for DB2 and file.
  • IOF OR SDSF.
  • Exposure on incident management/change request management tools.
  • Scheduling tool(knowledge CA7, control-M).
  • Exposure on any of the debugging tools for both batch and online environment(eg. Xpeditor, abend aid).
  • Assembler.
  • Working knowledge on SCRUM model/JIRA handling.
  • Experience in doing impact analysis, design document creation, change release, deployment, monitoring and estimation.
  • Complete understanding of SDLC cycle.
  • Working knowledge on Micro Focus Unit Testing Framework.
Awareness on Deploying COBOL Applications