
Information Systems Advisor II – z/OS Administration
Illinois Secretary of State · Posted Nov 10, 2026
- Springfield, Illinois, United States
- On-site
- Full-time · Mid
- $8K–$14K per month
- 4+ years
Plans, implements, coordinates, and evaluates complex technical software functions for the ILSOS Mainframe environment.
Compensation
Range $8,020 to $14,138 monthly – commensurate with experience
Responsibilities
- Maintains, modernizes and optimizes the z/OS operating systems and core subsystems
- Supports IBM mainframe hardware infrastructure
- Monitors performance and capacity management
- Implements and maintains vendor software
- Provides 24×7 on‑call support for critical system issues
Requirements
- Completion of two years of college with coursework in computer science