Lead Mainframe Modernization Engineer - AI-Assisted

Quantum Technologies. LLC; Denver (CO); Sur place; USD 140 000 - 190 000; Plein temps

Résumé du poste

Quantum Technologies. LLC is seeking a Lead Software Engineer to join the Safe Deposit Box Modernization team, focusing on a mainframe system of record.

You will evaluate, plan, and support modernization efforts, including AI-assisted discovery, code and dependency analysis, solution design, and testing. The role involves applying human review and controls to AI outputs, preserving business logic, improving delivery, and reducing risk.

Qualifications

• 5+ years of software engineering experience with IBM z/OS mainframe applications, including application development, maintenance, production support, and troubleshooting
• 5+ years of hands-on COBOL experience, including structured and modular programming, copybooks, file processing, debugging, unit testing, and analysis of existing business logic
• 5+ years of hands-on experience developing, maintaining, and troubleshooting JCL, cataloged and in-stream PROCs, job steps, parameters, utilities, restart and recovery procedures, batch schedules, dependencies, and job abends
• 3+ years of hands-on experience with VSAM datasets, including ESDS, KSDS, or RRDS structures; file definitions; IDCAMS utilities; data access; and production issue resolution
• 3+ years of experience with CICS and one or more mainframe data technologies such as Db2 or IMS, including transaction flows, program interfaces, data access, and performance or failure analysis
• 3+ years of experience integrating mainframe applications with enterprise platforms using technologies such as IBM MQ, Kafka, APIs, or managed file‑transfer patterns
• Experience using source‑control, build, debugging, testing, scheduling, monitoring, and deployment tools within a mainframe development environment
• Experience working across the full software development lifecycle in Agile delivery environments, including requirements analysis, solution design, coding, testing, implementation, production validation, incident management, and technical documentation
• Familiarity with approved AI‑assisted engineering tools for mainframe application discovery, COBOL and JCL analysis, dependency mapping, documentation, code development, test creation, business‑rule extraction, and migration or modernization planning, with appropriate human validation and adherence to security, data‑protection, and risk‑management requirements

Responsabilités

• Analyze, design, and develop strategic technical solutions and interface with enterprise systems of record, architecture, frontend channels, and middleware servicing applications
• Support mainframe modernization efforts and AI-assisted discovery, code and dependency analysis, solution design, modernization planning, code development, and test creation
• Resolve issues, test coded solutions, locate or create test data for end-to-end testing with partners, perform production research to resolve reported issues, and validate implemented solutions in production
• Collaborate across enterprise systems, architecture, and middleware teams to ensure alignment with business goals and project milestones

Connaissances

COBOL programming

Mainframe development

JCL

CICS

VSAM

IBM MQ/Kafka integration

Agile delivery

AI-assisted engineering tools

Outils

IDCAMS

VSAM (ESDS/KSDS/RRDS)

Db2

IMS

IBM MQ

Kafka

Description du poste

Quantum Technologies. LLC is seeking a Lead Software Engineer to join the Safe Deposit Box Modernization team, focusing on a mainframe system of record.

You will evaluate, plan, and support modernization efforts, including AI-assisted discovery, code and dependency analysis, solution design, and testing. The role involves applying human review and controls to AI outputs, preserving business logic, improving delivery, and reducing risk.