[Hiring] Mainframe Systems Analyst / Interface & Documentation Specialist @Computer Task Group, Inc

Role Description

CTG is seeking to fill a Mainframe Systems Analyst / Interface & Documentation Specialist position for our client.

Location: Remote

Duration: 12 months

Duties:

• Analyze complex mainframe interfaces, data flows, batch processes, and system dependencies across multiple applications.
• Develop and independently 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, application dependencies, system owners, and subject matter experts (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 or inconsistencies, and validate findings with business owners, SMEs, and technical teams.
• Document unresolved questions, assumptions, and dependencies while working with stakeholders to clarify incomplete or outdated information.
• 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 established acceptance criteria are met.

Qualifications

• Strong hands-on knowledge of COBOL, CICS, DB2, JCL, VSAM, copybooks, and mainframe file layouts.
• Experience with Systematics RM, Systematics IM, Systematics IT, Systematics GN, and Systematics AIS.
• Strong understanding of mainframe interfaces, data integration, batch processing, and application dependencies.
• Proficiency in source-to-target data mapping, data-flow analysis, and technical documentation.
• Excellent analytical, troubleshooting, and problem-solving skills, with exceptional attention to detail.
• Ability to independently trace and validate technical information rather than relying solely on existing documentation.
• Strong written and verbal communication skills, including the ability to translate complex technical concepts for technical and business audiences.
• Ability to collaborate with system owners and SMEs to resolve questions and address documentation gaps.

Requirements

• Demonstrated experience analyzing complex mainframe applications, interfaces, and end-to-end data flows.
• Hands-on experience tracing batch jobs, files, reports, and dependencies across multiple systems.
• Experience validating file-level source-to-target mappings, including data elements, offsets, lengths, and transformations.
• Proven ability to create accurate technical diagrams, interface inventories, process documentation, and reusable technical artifacts.
• Experience investigating legacy systems, identifying inconsistencies, and validating undocumented or outdated processes.
• Ability to work independently, manage detailed documentation deliverables, incorporate review feedback, and collaborate effectively with cross-functional stakeholders.

Education

• Bachelor's degree in Computer Science, Information Systems, or a related field preferred, or equivalent relevant technical experience.
• Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required.

Benefits

• The expected base salary for this position ranges from $69.00 to $74.00/hour.
• Salary offers are based on a wide range of factors including relevant skills, training, experience, education, market factors, and where applicable, licensure or certifications obtained.
• In addition to salary, a competitive benefit package is also offered.

To Apply

To be considered, please apply directly to this requisition using the link provided. Kindly forward this to any other interested parties. Thank you!