Senior Mainframe Developer
Core
Design, develop, test, implement, and maintain critical COBOL-based mainframe applications, leading modernization and integration initiatives for global business operations.
Role type
Senior Mainframe Developer (IC)
Builds
Batch and online mainframe applications, modernized legacy systems, and integrated solutions
Domain
Financial services / Enterprise systems / Mainframe technology
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
COBOL, CICS, JCL, VSAM, IDMS/DB2, SORT utilities, batch processing, online transaction processing, technical design, root-cause analysis, modernization strategy, API integration, middleware integration, release planning, deployment, on-call support, security compliance, distributed team collaboration
Preferred skills
RPG, Lotus Notes, Agile/Scrum, MQ, file-transfer patterns, TSO/ISPF, File-AID, Xpediter, Endevor, Changeman, Control-M, CA7
Technologies
COBOL, CICS, JCL, VSAM, IDMS, DB2, SORT, MQ, TSO/ISPF, File-AID, Xpediter, Endevor, Changeman, Control-M, CA7
Responsibilities
Lead design and development of COBOL applications; Own end-to-end delivery of projects and production fixes; Analyze requirements and create technical design documents; Mentor junior developers and conduct code reviews; Lead troubleshooting and root-cause analysis for production issues; Drive modernization and integration initiatives; Participate in on-call support rotation
Seniority
Senior, hands-on IC with mentorship responsibilities