Senior COBOL Developer – z/OS

🔥 1 minute ago

🌐 Colombia, Argentina – Remote

🇨🇴 Colombia – Remote 🇦🇷 Argentina – Remote

⏳ Contract/Temporary

🟠 Senior

🖥 Software Engineer

👻 Ghost score 10%

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Workstate

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2003

💼 Consulting

📣 Marketing

☁️ SaaS

Consulting • Marketing • SaaS

Workstate is a company that provides Teams as a Service (TaaS) for software engineering, offering flexible, customizable software development teams to businesses and public sector projects. With over 25 years of experience, Workstate specializes in adapting team size and composition to meet changing project requirements, aiming to overcome the limitations of traditional team recruitment and assembly. Workstate's TaaS model facilitates seamless integration, access to top technology talent, and cost-effective solutions that optimize project delivery on time and within budget. The company partners with federal, state, and local governmental agencies, higher education institutions, and non-profits, providing technology teams for all stages of the software development lifecycle.

📋 Description

• Convert legacy RPG II programs into well-structured, maintainable COBOL on z/OS • Analyze existing program logic, file layouts and data flows to ensure converted code behaves the same way • Develop and maintain JCL, batch job streams and related utilities • Write and tune SQL (DB2 for z/OS) and work with VSAM and sequential datasets • Participate in unit, regression and parallel testing, including data validation and reconciliation between legacy and converted output • Prepare code and data for rehosting on GCP with the Raincode compiler and runtime • Document converted programs, data dependencies and technical decisions • Work with the client's technical and migration teams in an Agile setting

🎯 Requirements

• 6+ years of professional COBOL development experience on IBM z/OS mainframes • Strong SQL and data skills, especially DB2 for z/OS (embedded SQL, query tuning, data modeling) • JCL, TSO/ISPF and batch processing • VSAM, QSAM/sequential files and GDGs • Mainframe utilities such as DFSORT/SYNCSORT and IDCAMS • CICS • Experience with legacy modernization, code conversion or mainframe migration projects • Experience with mainframe rehosting or emulation platforms (Raincode, Micro Focus/Rocket Enterprise Server) or GCP • Experience with source control and change management tools (Git, Endevor, ChangeMan) • Experience with data validation, reconciliation and parallel-run testing • B2 level (upper-intermediate) or higher English language competency with ability to communicate effectively in professional settings, both written and verbal • Experience with RPG II or other IBM midrange languages is a plus but is not required