Senior Mainframe Developer at SYSTEMTEC in Remote

SYSTEMTEC is seeking a Senior Mainframe Developer for a remote opportunity for candidates working EST hours. Candidate will enhance an established mainframe financial accounting platform by developing and integrating composite reservoir account functionality. This role requires extensive Enterprise COBOL, NaturalOne, and z/OS experience, along with a strong understanding of financial accounting processes, legacy application analysis, and composite reservoir account structures.

Required Qualifications of the Senior Mainframe COBOL Developer:

• Applicants must be authorized to work for any employer in the U.S. We are unable to provide sponsorship or work with Third-Party agencies.
• 5+ years of Enterprise COBOL development experience in a z/OS mainframe environment.
• 5+ years of hands-on experience with NaturalOne application development.
• 5+ years of JCL development and production batch support experience.
• 3+ years of financial or accounting systems experience involving double-entry posting, balance and accrual maintenance, value dating, reconciliation, and month-end closing in a regulated environment.
• 3+ years of experience with Adabas and VSAM.
• 3+ years of experience with composite reservoir accounts.
• 3+ years of experience analyzing legacy applications and tracing undocumented program logic through copybooks, call sequences, and batch job streams.
• Strong knowledge of mainframe development, including COBOL programming, Natural applications, JCL, TSO/ISPF, and batch processing.
• Ability to analyze complex existing systems, identify application dependencies, and implement enhancements without disrupting established financial processing.

Preferred Skills/Experience of the Senior Mainframe Developer:

• Experience with treasury applications, cash management, account pooling, automated sweeps, or reverse-sweep processing.
• Familiarity with CA-7 scheduling and batch operations.
• Experience with REXX, Python, or Java.
• Background supporting financial application implementations, data conversions, parallel testing, and production releases.

Responsibilities of the Senior Mainframe COBOL Developer:

• Analyze existing account master, posting, and balance-maintenance programs to determine integration requirements for composite reservoir accounts and document findings.
• Design, develop, and implement new account functionality, including account setup and closure, participant relationships, sweep processing, fund allocation, interest distribution, and balance calculations.
• Modify existing COBOL applications and JCL procedures to incorporate new processing requirements while maintaining established nightly and month-end batch schedules.
• Enhance audit tracking, exception reporting, and reconciliation controls while collaborating with accounting stakeholders to validate financial processing requirements.
• Develop and execute unit, regression, and parallel testing; investigate processing discrepancies and verify the accuracy of financial results.
• Support implementation, account conversion, and initial production operations while maintaining technical documentation, data-flow information, and operational procedures.

Work Location: 100% Remote. EST hours.

Compensation / Benefits:
Full-Time Employment with SYSTEMTEC means competitive compensation, access to health, dental, disability, and life coverage, and 401(k) with match.

***Please note: SYSTEMTEC is not set up to employ workers in the states of California, New York, and New Jersey.***

Pay: Up to $77.00 per hour

Work Location: Remote