Noww - Mainframe Natural/ADABAS System Analyst

Job Title: Mainframe Natural / ADABAS System Analyst

Location: Remote

Position Overview
We are seeking a seasoned Mainframe System Analyst with deep expertise in Natural 4 / ADABAS, to serve as a critical resource in an ongoing enterprise application modernization initiative for a city government agency. This role is a backfill for a key analyst position and will involve extensive work on integrating the legacy Buildings Information System (BIS) with new cloud-based and web-enabled platforms.

The ideal candidate brings not only strong mainframe technical skills but also excels in systems analysis, requirements interpretation, interface design, and cross-functional coordination.

Key Responsibilities

• Serve as the lead analyst for integration between BIS (Natural/ADABAS-based) and modern application ecosystems.
• Perform in-depth analysis of existing BIS architecture, data flows, and business processes.
• Define, document, and translate business and technical requirements into detailed functional and interface specifications.
• Collaborate with internal city resources, development teams, and external vendors to ensure proper integration design and implementation.
• Support development teams in understanding legacy logic and assist in reengineering legacy processes where needed.
• Participate in planning, system design reviews, integration testing, and go-live support.
• Analyze and troubleshoot data conversion issues, normalization logic, and integration challenges.

Required Skills & Experience

• 12+ years of experience in systems analysis or application support roles within large-scale mainframe environments.
• 8+ years of hands-on experience with Natural 4 / ADABAS in both batch and online transaction environments.
• Proven expertise in JCL scripting and working within TSO environments.
• Strong understanding of complex batch processing and scheduling logic.
• Experience with ENTIREX Broker or similar middleware integration frameworks.
• Solid grasp of data structures, data conversion, and normalization techniques.
• Exceptional analytical and documentation skills-able to bridge business needs with technical design.

Desirable Skills

• Knowledge of NYC's Buildings Information System (BIS) or DOB NOW platforms.
• Familiarity with Java-based web portals such as BISWeb.
• Experience with Software AG WebMethods or similar enterprise middleware.
• Exposure to Business Intelligence/Reporting tools for data analysis.
• Prior experience working with New York City government agencies or other public sector clients on legacy modernization projects.
• Ability to work in fast-paced environments with multiple stakeholders and external vendors.
• Strong verbal and written communication skills, with ability to produce clear technical documentation.

Additional Notes
This is a high-visibility role supporting a mission-critical transformation. The selected analyst will act as a bridge between business and technology, with responsibility for understanding the legacy BIS landscape and ensuring smooth, reliable integration into future-state systems.

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