Mainframe Z/os Assembler Programmer

JobToday

JobToday

Software Engineering
Salesville, OH, USA
Posted on Nov 14, 2025

Looking for a Senior Mainframe Z/os Assembler Programmer. 100% remote role. Candidates need to be in USA.


Ten years of experience with IBM Z/OS Assembler language
· Assembly instructions, addressing modes, and data manipulation techniques
· Job control processing and JCL
· Must have expert skills in storage hierarchy (registers, memory, I/O) and system calls (SVCs) and interrupt handling
· Strong understanding of mainframe development tools, including debuggers, assemblers, linkers, and utilities.
· Object-oriented principles, syntax, libraries, and frameworks
· Ability to map assembly logic to Java constructs (loops, conditionals, functions, design patterns)