Mainframe System Administrator (NOMAD) Senior

Mainframe System Administrator (NOMAD) – Senior

Hybrid – Springfield, IL
(2 days onsite, 3 days remote; subject to CIO approval)

Long-term contract (3 years)

We are seeking a highly experienced Mainframe System Administrator with strong NOMAD expertise to support critical Department of Transportation applications. This role will focus on maintaining, enhancing, and preparing legacy NOMAD systems for future migration to a statewide ERP platform.

The ideal candidate will possess deep technical knowledge of NOMAD environments, strong problem-solving skills, and the ability to operate independently while collaborating with cross-functional teams.

• Develop in-depth knowledge of NOMAD-based applications, including:

  • Human Resources Information (HRI)
  • Time Keeping System (TKS)
  • Human Resources Datamart (HRD)

• Analyze, maintain, and enhance application functionality:

  • Perform system enhancements and code modifications
  • Provide ongoing maintenance and production support

• Troubleshoot and resolve:

  • Application defects and incidents
  • Data and performance issues

• Work independently on:

  • Development requests
  • Service requests
  • Incident resolution

• Generate and manage:

  • Reports
  • Data extracts for operational and modernization needs

• Support ERP migration readiness:

  • Participate in modernization planning discussions
  • Assist in system transition and decommissioning strategies

• Perform knowledge transfer activities:

  • Document system architecture, dependencies, and processes
  • Train and collaborate with internal IT staff

• Bachelor’s degree in Computer Science, MIS, Mathematics, Accounting, or related field
  OR
• Equivalent combination of education and relevant experience

• Minimum 3+ years of recent experience with:

  • NOMAD applications
  • NOMAD programming
  • NOMAD databases
  • NOMAD online screens and user interfaces
  • Time series arrays and date/time functions
  • NOMAD reporting tools

• Minimum 2+ years of experience :

  • IBM VM environment

• Minimum 1+ year of experience :

  • File Transfer Protocol (FTP)

• Strong knowledge of:

  • Mainframe systems and NOMAD environments
  • Legacy system support and modernization practices

• Excellent problem-solving and analytical skills

• Ability to:

  • Work independently with minimal supervision
  • Manage multiple priorities and deliverables

• Strong communication skills:

  • Written and verbal
  • Stakeholder engagement

• Experience supporting HR and payroll systems
• Experience in public sector or government environments
• Exposure to ERP migration or system modernization initiatives

• 40 hours per week
• Standard hours: 8:00 AM – 4:30 PM CST

• Must be authorized to work in the United States
• Ability to adapt to changing operational needs and priorities