Remote Senior COBOL Developer — Mainframe Modernization

Workstate; Argentina; A distancia; ARS 137.078.000 - 198.002.000; Jornada completa

Descripción de la vacante

Workstate seeks a Senior COBOL Developer for an 18-month modernization project. The role involves converting a legacy RPG II codebase to COBOL on IBM z/OS, in preparation for a cloud migration to Google Cloud Platform using Raincode rehosting.

We aim to engage consultants who can motivate clients, drive quality, and deliver high-quality results. This fully remote opportunity is open to experts in Argentina or Colombia with right to work in that country and strong English communication skills.

Formación

• 6+ years of professional COBOL development on IBM z/OS.
• Experience with RPG II is a plus but not required.
• Strong SQL and data skills with DB2 for z/OS.
• Experience in legacy modernization or mainframe migration.

Responsabilidades

• Convert legacy RPG II programs into well-structured COBOL on z/OS.
• Analyze program logic, file layouts and data flows to preserve behavior.
• Develop and maintain JCL and batch job streams.
• Write and tune SQL for DB2 for z/OS; work with VSAM datasets.
• Participate in unit, integration and parallel testing with data validation.
• Prepare code and data for rehosting on GCP with Raincode; document decisions.
• Collaborate with migration teams in an Agile setting.

Conocimientos

COBOL on z/OS

DB2 for z/OS

JCL/TSO/ISPF

Mainframe migration

Data validation & testing

English proficiency (B2+)

Herramientas

Raincode

Git

Endevor

ChangeMan

IDCAMS

DFSORT/SYNCSORT

Descripción del empleo

Workstate seeks a Senior COBOL Developer for an 18-month modernization project. The role involves converting a legacy RPG II codebase to COBOL on IBM z/OS, in preparation for a cloud migration to Google Cloud Platform using Raincode rehosting.

We aim to engage consultants who can motivate clients, drive quality, and deliver high-quality results. This fully remote opportunity is open to experts in Argentina or Colombia with right to work in that country and strong English communication skills.