Senior z/OS Mainframe Systems & Network Specialist

Illinois-Secretary-of-Stat; Springfield (IL); On-site; USD 78,000 - 145,000; Full time

Job summary

Office of the Illinois Secretary of State is seeking an Information Systems Advisor I – zOS Systems Programmer Mainframe Network Specialist to serve as a senior resource for IBM z/OS mainframe environments, focusing on system administration, security, and DR readiness.

The role will collaborate with IBM, hardware vendors, and internal IT teams to ensure resilience and high availability of critical applications, while mentoring junior staff and driving automation.

Qualifications

• Requires two years of college coursework in computer science.
• Four years of experience with technical systems and/or programming or IT project management.
• Equivalent combination of education and experience accepted.

Responsibilities

• Provide advanced system administration for IBM z/OS mainframe systems.
• Manage network configurations (SNA, TCP/IP, VTAM, NJE) in mainframe env.
• Troubleshoot complex system and network issues with root-cause analysis.

Skills

Advanced system administration

Security policy enforcement

Mentoring

Analytical thinking

Education

Two years college coursework in computer science

Four years experience in technical systems / programming / IT PM

Tools

z/OS

TCP/IP

VTAM

NJE

RACF/ACF2/Top Secret security

Job description

Office of the Illinois Secretary of State is seeking an Information Systems Advisor I – zOS Systems Programmer Mainframe Network Specialist to serve as a senior resource for IBM z/OS mainframe environments, focusing on system administration, security, and DR readiness.

The role will collaborate with IBM, hardware vendors, and internal IT teams to ensure resilience and high availability of critical applications, while mentoring junior staff and driving automation.