✦ Luna Orbit — Software Engineering

Developer, COBOL

at Intercontinental Exchange

📍 Jacksonville, FL, US Onsite Posted March 26, 2026
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Position Details

Type Full-Time
Experience mid
Exp. Years 5+ years
Education Bachelor’s degree in computer science, Information Systems, or the equivalent
Category Software Engineering

About this role

This role involves maintaining and developing mainframe applications using COBOL, CICS, and JCL on z/OS systems. The developer will support enterprise systems and may work on legacy modernization projects.

Key Responsibilities

  • Develop and modify COBOL programs
  • Support CICS transactions
  • Manage JCL jobs
  • Use IDz and ISPW for development
  • Provide mainframe application support

Technical Overview

The technical environment includes COBOL, CICS, JCL, IDz, ISPW, REXX, TSO, Java, Assembler, and z/OS mainframe systems. The focus is on application development, system support, and legacy system maintenance.

Ideal Candidate

The ideal candidate is a mid-level mainframe developer with over 5 years of experience in COBOL, CICS, JCL, and related mainframe technologies. They should have strong analytical and problem-solving skills, with experience supporting enterprise legacy systems.

Must-Have Skills

5+ years z/OS mainframe application developmentCOBOLCICSJCLIDzISPWREXXTSO

Nice-to-Have Skills

JavaAssembler

Tools & Platforms

Mainframez/OSIDzISPWREXXTSO

Required Skills

COBOLCICSJCLIDzISPWREXXTSOJavaAssembler

Hard Skills

COBOLCICSJCLIDzISPWREXXTSOJavaAssembler

Soft Skills

analytical skillsdecision-makingproblem-solvingcollaborationcommunication

Industry & Role

Industry Finance
Job Function Mainframe application development and support using COBOL and related tools
Role Subtype Mainframe Developer
Tech Domains Mainframe, z/OS, IDz, ISPW, REXX, TSO

Keywords for Your Resume

COBOLCICSJCLIDzISPWREXXTSOmainframez/OSJavaAssemblerapplication developmentlegacy systemsmainframe programmingbatch processingsystem analysissoftware developmentIT supportmainframe skillsenterprise systems

Deal Breakers

Lack of mainframe experience, No COBOL or CICS skills, Less than 5 years experience, No experience with JCL or TSO

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