Remote Mainframe Interfaces & Documentation Specialist

Computer Task; United States; Remote; USD 95,000 - 102,000; Full time

Job summary

CTG is seeking a Mainframe Systems Analyst / Interface & Documentation Specialist for a 12-month remote engagement. The role focuses on analyzing complex mainframe interfaces, data flows, and batch processes while developing and validating source-to-target mappings and interface inventories.

Collaboration with SMEs and stakeholders is essential for producing reusable, version-controlled documentation. Responsibilities include tracing data movement, creating process diagrams, and ensuring

Qualifications

• Bachelor's degree in CS or IS preferred.
• Experience with mainframe interfaces, data flows, and batch processing.
• Ability to document data mappings, interface inventories, and technical documentation.

Responsibilities

• Analyze complex mainframe interfaces, data flows, batch processes, and system dependencies across multiple applications.
• Develop and validate source-to-target data mappings, including file layouts, element IDs, offsets, lengths, and data transformations.
• Create and maintain interface inventories documenting file and record layouts, processing schedules, dependencies, system owners, and SMEs.
• Trace files, batch jobs, reports, and processing flows across systems to validate data movement and investigate discrepancies.
• Develop data-flow diagrams, process diagrams, batch/job/file traceability documentation, interface specifications, and technical process summaries.
• Review existing documentation, identify gaps, and validate findings with business owners, SMEs, and technical teams.
• Document unresolved questions, assumptions, and dependencies while clarifying incomplete information with stakeholders.
• Create and maintain reusable technical documentation, including source-to-target mappings, process documentation, PBIs, and supporting artifacts.
• Incorporate review feedback, maintain version-controlled deliverables, and conduct documentation walkthroughs to ensure acceptance criteria are met.

Skills

COBOL

CICS

DB2

JCL

VSAM

Copybooks

Mainframe file layouts

Education

Bachelor's degree in Computer Science or Information Systems

Tools

Systematics RM

Systematics IM

Systematics IT

Systematics GN

Systematics AIS

Job description

CTG is seeking a Mainframe Systems Analyst / Interface & Documentation Specialist for a 12-month remote engagement. The role focuses on analyzing complex mainframe interfaces, data flows, and batch processes while developing and validating source-to-target mappings and interface inventories.

Collaboration with SMEs and stakeholders is essential for producing reusable, version-controlled documentation. Responsibilities include tracing data movement, creating process diagrams, and ensuring