System Administrator (Cloud & On-Premise)

About the role

The System Administrator will be the technical cornerstone of our IT operations, ensuring reliability, security, and performance of both on‑premises and cloud‑based systems. Reporting to the IT Director, you will work independently, provide high‑level support to end users, and help shape our IT strategy and infrastructure roadmap.

Key responsibilities

• Install, configure and maintain physical and virtual server environments, including VMware ESXi and other hypervisors.
• Administer Microsoft 365 services such as Exchange Online, SharePoint Online, Teams, and Microsoft Entra ID.
• Manage NetSuite ERP user roles, system configuration, and coordinate integrations and upgrades with vendors.
• Configure and operate the Zoho Desk ticketing platform, including workflow automation and reporting.
• Provision, troubleshoot and coordinate VoIP telephony systems with vendors.
• Develop and maintain business continuity, disaster recovery, backup, and failover procedures.
• Oversee endpoint security, patch management, antivirus/EDR solutions and vulnerability remediation.
• Provide Tier 2/3 technical support, escalating issues as needed and documenting resolutions.
• Document systems, configurations, processes and create runbooks for the IT knowledge base.
• Evaluate and recommend new technologies to improve efficiency, security and scalability.

Required profile

• Bachelor’s degree in Information Technology, Computer Science or related field, or equivalent work experience.
• Minimum three years of hands‑on system administration experience in a mixed cloud and on‑premises environment.
• Proven ability to work independently, manage multiple priorities and communicate technical concepts to non‑technical stakeholders.

Required skills

• Microsoft 365 administration (Exchange Online, SharePoint Online, Teams, Microsoft Entra ID).
• VMware ESXi and familiarity with other hypervisors.
• NetSuite ERP administration.
• Zoho Desk or comparable ITSM ticketing platform.
• VoIP telephony provisioning and troubleshooting.
• SharePoint Online and Microsoft Teams configuration.
• Experience with cloud platforms (Azure, AWS or equivalent).
• Endpoint protection, antivirus/EDR, and patch management.
• Understanding of ITIL/ITSM frameworks.