Senior COBOL Developer - z/OS
About the job
- At least 6 years of professional COBOL development experience on IBM z/OS mainframes.
- Strong SQL and data skills, especially DB2 for z/OS, including embedded SQL, query tuning, and data modeling.
- Experience with JCL, TSO/ISPF, and batch processing.
- Experience with VSAM, QSAM/sequential files, and GDGs.
- Experience with mainframe utilities such as DFSORT/SYNCSORT and IDCAMS.
- Experience with CICS.
- Experience with legacy modernization, code conversion, or mainframe migration projects.
- Experience with mainframe rehosting or emulation platforms such as Raincode or Micro Focus/Rocket Enterprise Server, or GCP.
- Experience with source control and change management tools such as Git, Endevor, or ChangeMan.
- Experience with data validation, reconciliation, and parallel-run testing.
- C1-level (advanced) or higher English proficiency, written and verbal, to communicate directly with US-based client teams.
- Must reside in Colombia or Argentina and have the right to work in that country.
- 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.
- Prior experience with RPG II or other IBM midrange languages is a plus.
About the company
Workstate provides Team REV, a Teams as a Service model that gives organizations access to on-demand, U.S.-based software engineering teams to build and deliver mission-critical initiatives. The service pairs client vision with a structured team setup, ensuring consistency, cultural fit, and scalable delivery while controlling cost and deadlines. Unlike traditional consulting or staffing, Team REV emphasizes steady performance, low turnover, and reliable on-time, on-budget outcomes by deploying long-standing, experienced teams that can grow with the client's needs. The company’s goal is to help organizations grow and change through technology by providing dependable, future-focused software delivery teams that align with clients’ goals and operate in a predictable, transparent manner.
Company Size
51-200
Company Stage
N/A
Total Funding
N/A
Headquarters
Columbus, Ohio
Founded
1997
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Simplify's Take
What believers are saying
- Workstate advertises active public-sector contracts across federal and Ohio markets in 2026.
- Its website highlights Seed&Spark work, showing live commercial client credibility.
- The DHS RPMS award extended through September 2026, supporting near-term revenue visibility.
What critics are saying
- Workstate depends on government contracting, exposed to 2025-2026 federal procurement freezes.
- One DHS vehicle produced $5.0M total obligations, showing concentrated revenue dependence.
- If federal IT spending weakens, Workstate loses its core distribution channel quickly.
What makes Workstate unique
- Workstate holds GSA MAS 47QTCA22D003F and Ohio state IT vehicles.
- Its Team REV model sells on-demand U.S.-based engineering teams, not staffing resumes.
- DHS awarded Workstate Consulting a $5.0M RPMS support task order in 2023.
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Benefits
- Remote Work Options