Unisys OS 2200 Infrastructure Support Specialist
Core
Provide on-call systems support and incident response for a client's mission-critical Unisys OS 2200 mainframe environment.
Role type
Senior IC mainframe infrastructure support specialist
Builds
Maintains stability and performance of legacy mainframe systems for a manufacturing client
Domain
Legacy mainframe computing (Unisys OS 2200)
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
OS 2200 ecosystem knowledge, OS booting, 3rd party product installation, ECL programming, diagnostic data interpretation, incident triage, change control procedures
Preferred skills
MASM assembly analysis, console operator experience, external system integration troubleshooting, ClearPath OS version progression knowledge, STAR-1100 tape management
Technologies
Unisys OS 2200, ECL, COMUS, SOLAR, MASM, STAR-1100, VAX, Oracle ERP, Unix, Web/Java, Windows
Responsibilities
Provide on-call response and support for the client's Unisys 2200 systems environment; Triage and assess incidents to distinguish between hardware, OS, 3rd party, and application issues; Perform root cause analysis on serious incidents; Monitor mainframe databases to ensure data integrity; Coordinate with stakeholders including application programmers and Unisys; Implement approved corrections and coordinate change control procedures; Provide periodic reports on system performance and risk mitigation plans