Mainframe Technical Specialist - Cobol, DB2, VSAM, JCL, CICS

Sira Consulting, an Inc 5000 company; Charlotte (NC); On-site; USD 120,000 - 180,000; Full time

Job summary

Sira Consulting is seeking a Mainframe Technical Specialist to act as SME for Hogan core banking systems, reverse‑engineering legacy modules and translating embedded business logic into modern, canonical specifications to support migration to the Pismo platform.

You will reverse‑engineer Hogan modules, document COBOL business rules, and design data extraction interfaces using VSAM, DB2, and MQ, while ensuring accurate behavior in the cloud migration.

Qualifications

• 10+ years specialized in Hogan core banking platform and legacy modernization.
• Translate COBOL/JCL/CICS/DB2/VSAM logic into structured specifications.
• Experience with Hogan‑to‑cloud migrations (Pismo, Mambu) and ISO 20022 mapping.

Responsibilities

• Reverse‑engineer Hogan modules (IDS, CIS, PEP+, ULS, DDA, rail components).
• Analyze and document business rules embedded in COBOL programs into structured specifications.
• Design and build data extraction and integration interfaces using: VSAM, DB2, MQ.
• Enable dual-write mechanisms, rollback strategies, and legacy-side validation during migration.
• Support legacy system stabilization and change control processes in production.
• Collaborate with architecture and development teams to ensure accurate behavior replication in Pismo.
• Participate in decommissioning strategy for legacy functionalities.

Skills

Hogan core banking

COBOL

JCL

CICS

DB2

VSAM

MQ

Legacy reverse engineering

Migration programs

Production change management

Documentation of legacy logic

Cloud migration readiness

Tools

CA Endevor

Changeman

Pismo

Job description

Role: Mainframe Technical Specialist - Cobol, DB2, VSAM, JCL, CICS

Job Summary

Act as the subject matter expert (SME) for Hogan core banking systems, reverse-engineering legacy modules and translating embedded business logic into modern, canonical specifications to support migration to the Pismo platform.

Key Responsibilities

• Reverse-engineer Hogan modules including IDS, CIS, PEP+, ULS, DDA, and rail-specific components
• Analyze and document business rules embedded in COBOL programs into structured, reusable specifications
• Design and build data extraction and integration interfaces using: VSAM, DB2, MQ
• Enable dual-write mechanisms, rollback strategies, and legacy-side validation during migration
• Support legacy system stabilization and change control processes in production
• Collaborate with architecture and development teams to ensure accurate behavior replication in Pismo
• Participate in decommissioning strategy for legacy functionalities

Skill Requirements

• 10+ years of hands‑on experience with DXC Hogan core banking platform
• Strong expertise in:
• COBOL, JCL, CICS, DB2, VSAM, MQ
• Legacy system analysis and reverse engineering
• Core banking modernization / migration programs
• Strong understanding of production change management and control processes
• Ability to translate complex legacy logic into modern functional/technical documentation

Must Have Skills

• proficiency description of Customer Information Control System (CICS)Customer Information Control System (CICS)
• proficiency description of IBM DB2IBM DB2
• proficiency description of Virtual Storage Access Methods (VSAM)Virtual Storage Access Methods (VSAM)
• proficiency description of Job Control Language (JCL)Job Control Language (JCL)
• Click Enter to show the proficiency description of COBOLCOBOL

Other Requirements

• Prior experience in Hogan to cloud-native core migration (e.g., Pismo, Mambu)
• Exposure to ISO 20022 mapping and payments transformation
• Experience with mainframe DevOps tools (CA Endevor, Changeman)
• Knowledge of parallel‑run and reconciliation strategies