Senior Systems Administrator

Illinois Tollway
Downers Grove, IL, United States
3 months ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
5 years minimum
Working hours
Shift work
Job source

Tech stack

Microsoft Windows Active Directory Microsoft Azure Collaborative Software Disaster Recovery Internet Small Computer System Interface (ISCSI) Citrix XenApp Microsoft Software Microsoft SQL Server System Center Configuration Manager NetBackup Microsoft SharePoint
+17 more
Software Deployment Storage Virtualization VCloud Virtualization Technology Backup and Restore Network Switches Office365 Istio HybridCloud Microsoft InTune Information Technology Data Management Network Server Wsus Server Operating Systems & Platforms Citrix Netscaler Vmware

Job description

In support of this mission, the Sr. System Administrator is responsible for the installation, configuration and maintenance of the information technology infrastructure which requires working with servers, SAN and network switches, storage, software and other technologies to support the organization. The Systems Administrator assists with overall systems administration which requires proficiency in several disciplines. The Sr. System Administrator must maintain and continually improve the environment to provide the highest levels of service to the user base. The Sr. Systems Administrator will be required to assess performance of systems to make adjustments, provide capacity planning and growth projections, and perform software installations and upgrades. The Sr. Systems Administrator works both individually and in teams to maintain the operation of various sites. Business operation demands 24/7/365 continuous up time so this individual must be able to perform overtime when needed including holidays and weekends. Continuously changing software and hardware platforms require ongoing training and self-directed learning to maintain skill sets. Based on the functions of the Sr. Systems Administrator position the incumbent will have Administrative level rights, access to sensitive and confidential information, and must always exercise discretion and maintain confidentiality., Infrastructure Administration:

  • Maintain and optimize server environments, storage systems (NAS/SAN), and core infrastructure
  • Configure and support virtualization platforms including VMware Cloud Foundation (VCF)
  • Support disaster recovery solutions (e.g., VRMS, SRM, NSX)
  • Support hybrid datacenter migrations and workload mobility using VMware HCX, including network extension, service mesh configuration, and multi-site operational continuity.
  • Administer directory services including Active Directory, Group Policy, and role-based security permissions
  • Manage backup systems and ensure data recoverability across all platforms
  • Document all systems and configurations for audit and operational continuity

Enterprise Services:

  • Support Microsoft 365 collaboration tools, including Teams, Exchange, and OneDrive
  • Administer endpoint platforms including Intune, SCCM, and WSUS
  • Maintain core applications such as SharePoint and SQL Server
  • Monitor and manage hybrid cloud services in Azure and Microsoft 365

Deployment and Architecture:

  • Lead the deployment of new infrastructure systems (hardware and software)
  • Contribute to architectural design and systems planning
  • Configure production systems and support onboarding of new technologies
  • Conduct user training and transition support for enterprise rollouts

Support and Operational Readiness:

  • Assist with Tier-2/3 help desk tickets and infrastructure troubleshooting
  • Maintain operational readiness through certifications, ongoing training, and industry engagement
  • Collaborate on projects and long-term departmental initiatives

Requirements

Do you have experience in Virtualization projects?, Do you have a High school diploma or GED?, * High School diploma or GED equivalent

  • 10+ years of enterprise-level systems administration experience
  • 5+ years working in a VMware Cloud Foundation (VCF) environment
  • 5+ years administering Microsoft technologies including Azure, Active Directory, and Exchange/O365

Preferred:

  • Bachelor’s degree in Information Technology, or related field
  • Experience with Systems Center Suite, Intune, and Microsoft 365
  • Advanced virtualization expertise (VMware VSAN, SRM, NSX)
  • Experience with VMware HCX for hybrid-cloud connectivity, workload mobility, and large-scale datacenter migration.
  • Familiarity with enterprise storage: NAS, iSCSI, SAN, and fiber channel technologies
  • Experience with backup platforms: NetBackup, Networker, DataDomain, Avamar, etc.
  • Exposure to enterprise antivirus platforms and centralized management tools
  • Experience with Citrix XenApp/Desktop and Citrix NetScaler
  • Technical certifications (e.g., MCP, MCTS, MCITP)

About the company

The Illinois Tollway is dedicated to providing and promoting a safe and efficient system of highways while ensuring the highest possible level of service to our customers. Whether it’s I-PASS, the Move Illinois Program, open road tolling or keeping you safe with our H.E.L.P. trucks, we are committed to delivering great benefits and services to customers. The Tollway is a user-fee system - no state or federal tax dollars are used to support maintenance and operations. Operations are funded by toll and concession revenues. Under the leadership of the Board of Directors and Executive Staff, the Tollway is committed to achieving the following goals: increase collaboration with regional transportation and planning agencies, promote the regional economy, maintain financial integrity, foster environmental responsibility and sustainability, maintain the safety and efficiency of the Tollway system, further transparency and accountability, enhance customer service, and maintain public trust.

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on indeed.com

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

1:34 min

Pivoting careers into specialized platform engineering roles

Xavier Portilla Edo · LIVE

1:40 min

Managing containerized infrastructure with Podman Desktop

Cedric Clyburn Cedric Clyburn +1 · WWC 2025

2:53 min

Configuring dynamic proxy updates with Istio Pilot

Jan Mensch Jan Mensch · WWC Europe 2026

3:46 min

Navigating a career in cloud transformation consulting

Piet Van Dongen · LIVE

1:41 min

Parallels between cloud and legacy infrastructure lock-ins

Björn Stahl Björn Stahl · WWC 2024

7:15 min

Installing Istio programmatically with bash scripts

Thomas Südbröcker · LIVE

Videos

See all

Related articles

See all