Excelraise, LLC is a leading provider of full-service IT solutions and a talent management company headquartered in Denver, CO. At Excelraise, we specialize in IT staffing solutions tailored for government and federal clients across the USA.

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Excelraise, LLC is seeking a Programmer – Advanced (Mainframe Developer) for our client at Research at Columbia, SC for 100 % Remote.

Note:

The South Carolina State Treasurer’s Office is seeking an experienced Programmer – Advanced (Mainframe Developer) to develop and enhance its existing z/OS core accounting system by implementing a new Composite Reservoir Account (CRA) structure. Candidates must have strong hands-on experience with Enterprise COBOL, NaturalOne, JCL, Adabas, VSAM, and financial accounting systems. This is a 100% remote, 6-month contract paying $80/hr on W2 (No Benefits). Candidates must reside within the continental US (lower 48 states) and work EST hours.

Key Responsibilities

• Analyze and enhance existing COBOL programs and account management systems.

• Develop Composite Reservoir Account structures, including posting, settlement, accruals, and reconciliation.

• Modify batch COBOL programs, JCL, and nightly/month-end processing.

• Implement audit trails, exception reporting, and financial controls.

• Develop unit, regression, and parallel-run testing.

• Support production implementation, account conversion, and initial production cycles.

• Prepare technical documentation, data flows, and operational runbooks.

Qualifications

• Bachelor’s degree in Computer Science or a related field, or equivalent experience.

• Strong experience supporting large-scale mainframe production systems.

• Ability to independently handle analysis, development, testing, and production implementation.

• Strong troubleshooting, communication, and documentation skills.

• Must reside within the lower 48 US states and be comfortable working EST hours.