Position Details

Salary $91K – $146K USD / year

Type Full-Time

Experience mid

Exp. Years 5+ years

Education BA/BS in Computer Science or equivalent degree

Category System Administration

About this role

R&D Engineer Software 3 role focused on mainframe platforms (VSE/z/OS/z/VM) with strong assembler skills and legacy mainframe tooling (Endevor, TSO/ISPF, JCL). Based in Plano, TX.

Key Responsibilities

Research and develop mainframe solutions
Work in a scrum team in an agile environment
Design and code reviews
Develop automated test scripts
Collaborate with cross-functional teams

Technical Overview

Mainframe software development with emphasis on Assembler, COBOL, and JCL; experience with VSE subsystems and CICS; familiarity with Endevor and TSO/ISPF is required.

Ideal Candidate

The ideal candidate is a senior mainframe developer with 5+ years of experience in z/OS, VSE, and related tools, plusAssembler and COBOL expertise. They should thrive in a mainframe-focused environment and contribute to legacy modernization efforts.

Must-Have Skills

Minimum of 5 years of experience in software developmentBA/BS in Computer Science or equivalent degreePrior experience as a developer in VSEz/VM or z/OS platformsStrong Assembler skillsKnowledge and related product expertise in one or more of the VSE subsystemsPOWER and CICS

Nice-to-Have Skills

Experience working in mainframe VSE environments - z/VMVSE JCLExperience with mainframe VSE programming languages - Assembler and REXXVSE macro

Tools & Platforms

EndevorTSO/ISPFVSE

Required Skills

AssemblerVSEz/OSz/VMCICSEndevorTSO/ISPFREXXCOBOLJCL

Hard Skills

AssemblerVSEz/OSz/VMCICSEndevorTSO/ISPFREXXCOBOLJCL

Soft Skills

Self-motivatedteam playerproblem solvingcommunication

Industry & Role

Industry Software

Job Function Develop and maintain mainframe-based software solutions on z/OS/z/VM platforms

Role Subtype Backend Engineer

Keywords for Your Resume

assemblervsez/osz/vmcicsendevortso/ispfrexxcoboljclmainframe

Deal Breakers

5+ years of experience in software development, Strong Assembler skills, Experience with z/OS / z/VM / VSE

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