Senior Systems Administrator

Job description

Overview We’re seeking a Senior Systems Administrator to support and enhance our global IT infrastructure across both on‑premises and cloud environments. This role will lead key functions including Windows and Linux administration, SAN management, and SAP systems (including S/4HANA). In this role you will monitor and optimize system performance, maintain disaster recovery readiness, ensure compliance, and contribute to complex, cross‑functional global initiatives. If you bring deep technical expertise and a commitment to operational excellence, we’d love to have you on our team. This role is hybrid, and based in our Niles, IL location. Responsibilities: - Administer and maintain a robust, global IT infrastructure utilizing deep expertise in both Windows and Linux servers, database servers, Storage Area Networks (SAN), and SAP systems, including S/4HANA. Focus on optimizing system performance, scalability, and security across all platforms. - Manage and optimize virtualization platforms, demonstrating advanced proficiency in VMware as well as practical experience with alternatives like Proxmox. Ensure reliable and efficient operation of virtual environments, including hands-on autom...