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

Job SummaryJob 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.

DESCRIPTION section.

Key Responsibilities 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

LONGDESCRIPTION section. 3 of 6.

Section Title: Skill RequirementsSkill Requirements

10+ years of hands-on experience with DXC Hogan core banking platform

Strong expertise in:

COBOL, JCL, CICS, DB2, VSAM, MQ

Proven experience in:

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

SKILL

Must Have Skills Must Have Skills

Click Enter to show the proficiency description of Customer Information Control System (CICS)Customer Information Control System (CICS)

Click Enter to show the proficiency description of IBM DB2IBM DB2

Click Enter to show the proficiency description of Virtual Storage Access Methods (VSAM)Virtual Storage Access Methods (VSAM)

Click Enter to show the proficiency description of Job Control Language (JCL)Job Control Language (JCL)

Click Enter to show the proficiency description of COBOLCOBOL

SKILL

Section Title: Good to have SkillsGood to have Skills

LONGDESCRIPTION section. 6 of 6.

Section Title: Other RequirementsOther 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