✦ Luna Orbit — Software Engineering

Software Engineer Lead, COBOL

at FIS

📍 Jacksonville, FL, US Onsite Posted March 14, 2026
Type Full-Time
Experience senior
Exp. Years 10+ years
Education Bachelor's Degree
Category Software Engineering

This role involves maintaining and developing legacy mainframe applications using COBOL, JCL, VSAM, and CICS, with a focus on debugging, analysis, and system stability.

  • Analyze and debug mainframe applications
  • Maintain legacy systems
  • Develop and test mainframe code
  • Ensure system stability
  • Modernize legacy applications

The position requires extensive experience with COBOL, JCL, VSAM, CICS, and mainframe tools, supporting legacy systems and performing application analysis and debugging.

The ideal candidate is a senior mainframe developer with over 10 years of experience in COBOL, JCL, VSAM, and CICS, with strong debugging and system analysis skills, preferably familiar with Systematics ALS-AF.

COBOLJCLVSAMCICSmainframe developmentapplication analysisdebuggingsystem analysis
Systematics ALS-AFautomation scriptingtestingperformance tuning
COBOLJCLVSAMCICSMainframe tools
COBOLJCLVSAMCICSmainframe developmentapplication analysisdebuggingsystem analysis
COBOLJCLVSAMCICSSystematics ALS-AFMainframeMainframe DevelopmentLegacy SystemsApplication AnalysisDebuggingScriptingTesting
analytical skillsproblem-solvingcommunicationteam collaborationtime managementattention to detail
Industry Financial Technology / Fintech
Job Function Maintain and develop mainframe legacy applications
Role Subtype Mainframe Developer
Tech Domains COBOL, JCL, VSAM, CICS
COBOLJCLVSAMCICSmainframelegacy systemsapplication analysisdebuggingsystem analysismainframe developmentsystematics ALS-AFmainframe scriptingmainframe testingperformance tuningmainframe debuggingmainframe analysis

No mainframe experience, Lack of COBOL or JCL skills, No experience with legacy systems, Must be located in Jacksonville, FL

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