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Mainframe Assembler Programmer Jobs (NOW HIRING)

SolGenie

Senior Mainframe Analyst / Developer

Senior Mainframe Analyst / Developer Duration: 1 yr Location Remote Domain: Mainframe / Legacy ... Experience translating COBOL/Assembler logic into BRDs, User Stories, functional requirements, and ...

New

Halo Group

Z/OS Mainframe Systems Programmer

Anderson, SC · On-site

$50.25 - $64/hr

The Z/OS Mainframe Advanced Systems Programmer will be responsible for the analysis, development ... ASSEMBLER REXX SAS SMP/E SMF SMS RMF Additional Information All your information will be kept ...

Analytica

z/OS Mainframe Programmer

Washington, DC · Remote

  • Medical

  • Retirement

Write, test, and troubleshoot programs using Assembler , JCL , and related IBM z/OS utilities ... programming and JCL * Experience with IBM z/OS, TSO/ISPF, SDSF, Endevor, and FTP/SFTP/Mainframe ...

Infojini Inc

Z/OS Mainframe Programmer

Anderson, SC · On-site

$50.25 - $64/hr

REQUIRED EDUCATION : 10 YEARS OF PROGRESSIVE EXPERIENCE IN MAINFRAME TECHNICAL SUPPORT ... ASSEMBLER q. CATALOG MAINTENANCE II. PROGRAMMING SKILLS: a. SYSTEM EXIT DEVELOPMENT AND SUPPORT b.

Analytica

z/OS Mainframe Programmer

Washington, DC · On-site +1

  • Medical

  • Retirement

Analytica is seeking a remote z/OS Mainframe Programmer to support a long standing federal ... Write, test, and troubleshoot programs using Assembler , JCL , and related IBM z/OS utilities.

Broadcom, Inc.

Mainframe Software Engineer

Plano, TX · On-site

$91K - $146K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

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

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How much do mainframe assembler programmer jobs pay per hour?

As of Aug 15, 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 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.

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Mainframe Assembler Programmer jobs near you
Infographic showing various Mainframe Assembler Programmer job openings in the United States as of August 2026, with employment types broken down into 80% Full Time, 9% Part Time, 1% Temporary, 6% 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 Application Programmer

West Advanced Technologies (WATI)

Downey, CA • On-site

Full-time

Re-posted 13 days ago

Job description

Position: Mainframe Application Programmer
Location: Downey, CA
Duration: 12 months
Mandatory Skills:
  • The Senior Application Programmer for Mainframe Systems will possess knowledge and experience in applications software development principles and methods sufficient to participate in the design, development, testing and implementation of new or modified applications software; organization's operational environment; software design principles, methods and approaches; principles, methods and procedures for designing, developing, optimizing and integrating new and/or reusable systems components; pertinent government regulations; infrastructure requirements, database management principles and methodologies, including data structures, data modeling, data warehousing and transaction processing; functionality and operability of the current operating environment; systems engineering concepts and factors such as structured design, supportability, reliability, scalability and maintainability; optimization concepts and methods; establish and maintain cooperative working relationships with those contacted in the course of the work; and speak and write effectively and prepare effective reports.
  • Strong analytical and troubleshooting skills in an IMS/Cobol mainframe environment.
  • This classification must have a minimum of seven (7) years of experience in electronic data processing systems design and programming with one or more of the software set forth below. LANGUAGES: COBOL, Natural/ SuperNatural, IMS/DB/DC, DB2/SQL, Assembler, SAS, CICS; MF FOCUS; TOOLS/UTILITIES: MVS JCL, MVS TSO/ISPF, IBM OPTIM, FILE Manager, SPUFI, ICEMAN/ICETOOLS, SORT, VSAM, CLIST, FTP, DYL260/280, CA Gen (CoolGen), CA Endevor, CA Spool, CA OM Web Viewer, IBM Websphere, Debugger, N2O; DATABASES: DB2, IMS, ADABAS, FOCUS; OS: z/OS; OTHER: EntireX, ASP, HTML, Cloverleaf.

Experience Preferred:
  • Strong foundational experience with large-scale complex IMS/COBOL mainframe applications. Candidate must possess strong IMS batch experience and have knowledge of creating IMS test databases on-demand, along with creation of IMS/COBOL batch jobs to load and test data.

Education Required:
This classification requires the possession of a bachelor's degree in an IT-related or Computer Science field. Additional qualifying experience may be substituted for the required education on a year-for-year basis.
Regards,
Sangeetha
West Advanced Technologies, Inc.
Serving government agencies for 22 Years
E: sangeetha.p@wati.com, D: 279 895 6797
www.wati.com

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