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Senior Mainframe Software Engineer

USA-TX Plano Legacy Drive Suite 700💼 Full-time🗓 2026-07-14 → 2026-07-30

Core

Design and develop high-quality software architecture and functional solutions for applications on the mainframe platform, modernizing enterprise software.

Role type

Senior Mainframe Software Engineer

Builds

Mainframe platform applications and foundational tools

Domain

Enterprise software, Mainframe computing

Deliverable

production ML models | product features

Required skills

IBM Assembler Language (HLASM), z/OS Operating system, Mainframe storage products (CA 1 Flexible Storage, Vtape, DASD, DFSMS), Source control systems (Endevor, ISPW), Metal C or PL/X, JCL

Preferred skills

z/OS debugger (XDC, SLD), Scripting languages, Authorized code development

Technologies

HLASM, z/OS, CA 1, Vtape, DASD, DFSMS, Endevor, ISPW, Metal C, PL/X, JCL

Responsibilities

Design and develop software architecture for mainframe applications, Produce, test, and debug functional software solutions, Mentor junior engineers, Lead engineering excellence initiatives and code quality improvements

Seniority

Senior, hands-on IC

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