Senior Mainframe COBOL Architect - Composite Accounts

Intellibee Inc; Colombia; On-site; COP 295,673,000 - 459,936,000; Full time

Benefits offered by this job

Long-Term Stability

Comprehensive Health Coverage

401(k) program

Green Card assistance

Job summary

IntelliBee Inc. is seeking a seasoned Mainframe Developer to extend a legacy COBOL-based accounting platform on z/OS, building a pooled account structure and ensuring accurate posting, settlement, accrual, and reconciliation of composite reservoir accounts.

You will read and enhance large COBOL codebases and batch processes, while maintaining traceability and auditability. The role involves analyzing existing master and balance maintenance programs, implementing end-to-end account type handling,

Qualifications

• 5+ years of Enterprise COBOL development in a z/OS environment.
• 5+ years of Experience with NaturalOne.
• 3+ years of JCL development and production support.
• 3+ years of experience with financial/accounting systems development or support including double-entry posting, balance/accrual maintenance, value dating, reconciliation, and month-end close in a regulated environment.

Responsibilities

• Analyze current account master, posting, and balance-maintenance programs to identify recognition points for composite reservoir accounts.
• Design and code the new account type end to end: master file and table structures, account opening/closing, linkage, sweep logic, allocation, and closing balance derivation.
• Modify batch COBOL programs and JCL; extend nightly/month-end cycles without extending batch window beyond agreed limits.
• Add CRAs to audit trail, exception reporting, and reconciliation controls with accounting stakeholders.
• Produce test data, unit and regression packs, and perform parallel-run comparisons against production output; investigate differences.

Skills

Enterprise COBOL

NaturalOne

JCL

Financial accounting knowledge

Adabas and VSAM

Legacy tracing

Education

Degree in computer science or related field

Job description

IntelliBee Inc. is seeking a seasoned Mainframe Developer to extend a legacy COBOL-based accounting platform on z/OS, building a pooled account structure and ensuring accurate posting, settlement, accrual, and reconciliation of composite reservoir accounts.

You will read and enhance large COBOL codebases and batch processes, while maintaining traceability and auditability. The role involves analyzing existing master and balance maintenance programs, implementing end-to-end account type handling,