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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Administrator - **Company:** Illinois Tollway - **Location:** Downers Grove, IL, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** 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, 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 - **Published:** May 29, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=5cd702cbb0c125b1 ## About the Role 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) ## 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 ## Related Videos - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) - [WebAssembly: The Next Frontier of Cloud Computing](https://www.wearedevelopers.com/videos/972-webassembly-the-next-frontier-of-cloud-computing) - [Rate-limiting using eBPF and Istio: How to protect your SaaS customers from themselves](https://www.wearedevelopers.com/videos/100220-rate-limiting-using-ebpf-and-istio-how-to-protect-your-saas-customers-from-themselves) - [Generating code with Angular schematics](https://www.wearedevelopers.com/videos/129-generating-code-with-angular-schematics) - [Get started with securing your cloud-native Java microservices applications](https://www.wearedevelopers.com/videos/123-get-started-with-securing-your-cloud-native-java-microservices-applications) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [System change: restart as developer?](https://www.wearedevelopers.com/magazine/39-system-change-restart-as-developer) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [7 Cloud Computing Trends Coming in 2025 for Developers](https://www.wearedevelopers.com/magazine/412-7-cloud-computing-trends-coming-in-2025-for-developers) - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers)