Information Systems Advisor II - z/OS Administration

Summary

Office of the Illinois Secretary of State Alexi Giannoulias Job Title: Information Systems Advisor I - z/OS Administration Division: Technology Office Union: IFT Location: 501 S 2 nd St, Springfield, IL - Sangamon County Salary: Range $8,020 to $14,138 monthly - commensurate with experience

Benefits

• Attention: Applicants must be authorized to work in the United States; the Office of the Secretary of State will not complete certification and/or sponsorship requests.

Overview

Plans, implements, coordinates, and evaluates complex technical software functions for the ILSOS Mainframe environment. This role maintains, modernizes, and optimizes the z/OS operating system and its core subsystems, oversees IBM SAN storage, replication, and VTL environments, and supports IBM mainframe hardware infrastructure. It implements and maintains vendor software, provides 24x7 on-call support for critical issues, and guides staff in managing z/VM for virtualized workloads. The position handles mainframe security through RACF, monitors and tunes system performance, manages z/OS networking, ensure thorough documentation, and maintains the ILSOS disaster recovery environment to support continuity and rapid recovery.

Duties and Responsibilities:

• This position is responsible for maintaining, modernizing and optimizing the z/OS operating systems and core subsystems, including TWS, DB2, CICS, and MQ, to ensure stability, reliability, and adherence to enterprise standards and modernization strategy.
• Supports IBM mainframe hardware infrastructure, including processors, storage subsystems, and peripheral components. Monitors performance and capacity management, coordinates maintenance, firmware updates, and hardware lifecycle activities.
• Exercises responsibility for the implementation and maintenance of vendor software which interfaces the system programs and hardware. Provides 247 on-call support for critical system issues, performing diagnostic analysis and coordinating resolution to maintain maximum system availability.
• Manages IBM SAN storage and replication environments as well as IBM VTL systems, including allocation, placement, capacity planning, catalog integrity, backup strategies, and recovery processes aligned with enterprise storage architecture.
• Administers and supports z/OS networking components, including TCP/IP configuration, network routing, encryption, z/OS Connect, and other networking technologies; performs security-focused network tuning and troubleshooting.
• Monitors and maintains the ILSOS disaster recovery (DR) environment, utilizing IBM Flexible Capacity and failover functions to ensure resilience, continuity, and rapid recovery