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Posted May 31, 2026

Senior Mainframe Architect

Principal-level Technical Lead to own and drive the entire mainframe-to-AWS replatform delivery using Rocket Software Enterprise Server. This person will lead the technical strategy across all workstreams — COBOL compilation, DB2 migration, shared services (MQ, Control-M, CDC, CFT), DevOps pipelines, security (LDAP/RACF migration), and infrastructure. Required technical skills • Rocket software Enterprise Server (Microfocus) Administrator. (strong — ES, EA, ED) • COBOL replatform / mainframe modernization • Experience with DB2 (z/OS and LUW), data migration, Precisely CDC • AWS proficient resource with (AWS solution Architect associate certification at least) • IBM MQ or Amazon MQ, job scheduling (Control-M) • Security: RACF-to-LDAP migration, KMS, Security Hub • Architecture leadership across multi-partner programs Key Responsibilities • Install and configure: Rocket Enterprise Server (MFES) Enterprise Developer runtime • Setup: Regions (CICS / batch regions) File handlers (VSAM emulation) • Manage AWS Components EC2 (Compute instances for MFES) EBS / FSx (Storage for files) S3 (Batch input/output files) VPC / Subnets (networking) • Lead technical strategy across all migration workstreams • Own architecture decisions and ADR documentation • Ensure Rocket ES stability, COBOL pipeline, and DevOps • Oversee DB2 migration, shared services, and security • Present at workshops and SteerCo on technical progress