Jobs → Engineering → Mainframe Developer

Mainframe Developer

Leo KanthUnited StatesSENIORPosted 3h ago
COBOLNaturalOneJCLz/OSAdabasVSAMCA-7REXXPythonJava
About the Role We are seeking a Mainframe Developer for a 12+ month contract position with the State of South Carolina. This is a 100% remote opportunity requiring experience in Enterprise COBOL development and various mainframe technologies. Key Responsibilities • Develop and maintain Enterprise COBOL applications in a z/OS environment • Provide production support for JCL development • Work with financial/accounting systems including double-entry posting, balance/accrual maintenance, and reconciliation • Trace undocumented logic through copybooks, call chains, and job streams • Support composite reservoir accounts Requirements • 5+ years of Enterprise COBOL development experience in a z/OS environment • 5+ years of experience with NaturalOne • 5+ years of JCL development and production support experience • 3+ years of financial/accounting systems development or support experience • 3+ years of experience with Adabas and VSAM • 3+ years of experience tracing undocumented logic through copybooks, call chains, and job streams • 3+ years of experience with composite reservoir accounts Candidate Requirements • Must reside within the Continental US (Lower 48 states) • Must be comfortable working Eastern Time Zone (EST) hours • Must be W2 contractor

Similar projects

Java Developer
Andrew Hunt · Java, Spring Boot, Spring MVC
Java Developer
Gyan Ranjan · Java 8/11/17+, Spring Framework, Spring Boot
Full Stack Java Developer
Naveen Kumar · Java, Domain Driven Design, Chassis
Early · 0 applied1 of 4,742 projects

Apply with AI cover letter

AI writes a personalized application in 19 seconds. Just upload your resume.

No credit card · First application free
© 2026 Freelanly · Terms · Privacy