IT Systems Architect (Mainframe / UNISYS / AIMS SME)

About the Role:

This role serves as the senior technical authority for the AIMS system running on the UNISYS Eldorado Mainframe. You'll lead architecture, system design, and engineering oversight while acting as a Subject Matter Expert across AIMS and IRS systems.

Scope Of The Project

The focus is on architecture leadership, system integration, and operational support for AIMS, including modernization, reporting, analytics, and ensuring alignment with IRS enterprise architecture standards.

Daily Duties / Responsibilities

• Lead system architecture, design, and engineering oversight
• Analyze requirements and develop software/system specifications
• Perform logical and physical design reviews (SDD, RTM documentation)
• Support system integration with IRS enterprise architecture
• Develop tools for reporting, analytics, modeling, and risk analysis
• Conduct technical reviews, documentation, and stakeholder presentations
• Support development, testing, and integration of system components
• Participate in operations support, incident response, and root cause analysis
• Provide 24x7 system support and service restoration participation
• Lead knowledge transfer and documentation efforts

Required Skills (Ranked):

• Deep expertise in AIMS system architecture and IRS environments
• Strong experience with UNISYS mainframe systems
• Expertise in AIMS Database Architecture, IDRS Command Codes, and reporting systems
• Experience with batch processing, conversion programs, and system interfaces
• Strong experience in system design, architecture validation, and integration

Technical Skills:

• UNISYS COBOL, TSO (IPF/CTS), ECL, TIP
• DMS, CMPlus, FILECRACKER
• Infoconnect, DocIT, MS Office
• AIMS Openings, Conversion Programs, Batch Reports, Masterfile Interfaces

Preferred Knowledge:

• IRS ELC lifecycle standards (Agile, Waterfall, SDLC)
• Experience with EVM/EVMS, CPR reporting, CWBS standards
• Experience with modeling, simulation, and system analysis tools

Required Education:

• Bachelor's degree or equivalent experience

Additional Skills:

• Strong leadership and system architecture capability
• Ability to work in highly regulated federal environments
• Strong documentation and knowledge transfer skills
• Ability to support both development and operations (O&M)

This is not a general architect role you're expected to be a deep SME in AIMS + IRS mainframe systems. If someone doesn't already understand this ecosystem, they won't ramp up in time.