Senior Systems Administrator

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 automation using tools such as Python and PowerShell.
• Collaborate proactively with stakeholders across all organizational levels to interpret business requirements and implement infrastructure solutions.
• Support complex, cross-functional projects on a global scale while ensuring effective communication and leadership within technical teams.
• Monitor and optimize system performance, execute disaster recovery procedures, and manage compliance and risk mitigation to protect mission-critical systems and uphold regulatory standards.
• Guide, mentor, and support the infrastructure operations team, promoting collaboration, skill development, and adherence to established best practices across global sites.
• Provide strong leadership and foster technical excellence within the team by establishing, documenting, and enforcing clear operational and configuration standards.
• Ensure junior system administrators are equipped with up-to-date documentation and standardized procedures for system settings, configurations, and routine tasks, enabling consistent and reliable operations throughout the organization.
• Deliver rapid and effective outage support in production and manufacturing environments, including incident response, root cause analysis, and coordinated recovery efforts to minimize downtime and support business continuity.
• Collaborate with cross-functional teams to implement preventive actions and enhance system reliability.

Qualifications

• Minimum of 5 years’ experience administering and maintaining global IT infrastructure in both on-premises and cloud environments.
• At least 4 years’ advanced proficiency with Windows and Linux systems administration.
• 3+ years of hands-on SAN (Storage Area Network) management experience.
• 2+ years implementing and supporting SAP systems, including S/4HANA.
• 3+ years working with and advanced skills in network, server, and virtualization technologies, with expertise in VMware.
• Experience with VMware alternatives such as Proxmox a plus.
• 2+ years proven experience automating tasks using Python and PowerShell.
• Demonstrated ability to monitor, analyze, and optimize system performance, with at least 3 years in similar roles.
• 2+ years executing disaster recovery procedures and ensuring compliance.
• Experience supporting complex, cross-functional global projects for 3 years or more.
• Strong leadership, mentorship, and communication skills, ideally with 3+ years guiding technical teams and collaborating with stakeholders.
• Relevant certifications such as ITIL, PMP, RHCE, VCP, or vendor-specific credentials (preferred).