IT Systems Administrator

SI-BONE•San Jose, CA

18d

About The Position

The IT Systems Administrator supports SI-BONE’s technology operations by maintaining secure, reliable, and efficient infrastructure across servers, networks, cloud services, endpoints, applications, and user accounts. The role configures, monitors, and troubleshoots systems to sustain availability, performance, and business continuity while applying security controls, access standards, updates, and maintenance practices. It provides technical support, investigates incidents, resolves service issues, and helps prevent recurring problems through documentation and continuous improvement. The administrator partners with internal technology teams, business stakeholders, and external vendors to implement changes, coordinate service delivery, strengthen system resilience, and ensure technology services meet operational needs. The role calls for practical knowledge of enterprise infrastructure, cloud environments, identity and access management, endpoint technologies, networking, and systems administration, alongside sound judgment, clear communication, and a service-oriented approach.

Requirements

Bachelor’s degree in IT, Computer Science, or a related field, or equivalent experience.
Three or more years administering IT systems, networks, or enterprise infrastructure.
Knowledge of Windows Server, Microsoft 365, Active Directory or Entra ID, DNS, DHCP, TCP/IP, and virtualization.
Experience with endpoint management, backups, monitoring, and service-desk tools.
Understanding of cybersecurity, access controls, patch management, and compliance.
Strong analytical, organizational, communication, and documentation skills.
Ability to prioritize independently and provide after-hours support when required.

Nice To Haves

Microsoft certifications are a plus, such as Microsoft 365 Certified: Administrator Expert, Azure Fundamentals (AZ-900), Azure Administrator Associate (AZ-104), Azure Solutions Architect Expert (AZ-305), Azure Security Engineer Associate (AZ-500), Identity and Access Administrator Associate, or Endpoint Administrator Associate.

Responsibilities

Administer Windows, Azure, cloud systems, servers, storage, and core IT services.
Manage accounts, permissions, authentication, and employee access.
Maintain and troubleshoot switches, wireless networks, firewalls, VPNs (Global Protect), and related services.
Support endpoint deployment, patching, software distribution, and device security.
Monitor system performance, capacity, backups, availability, and disaster-recovery readiness.
Investigate incidents, resolve root causes, document solutions, and escalate issues as needed.
Apply security controls, vulnerability remediation, logging, and compliance requirements.
Maintain documentation and asset records; coordinate upgrades, vendors, and infrastructure changes.
Provide help desk support by diagnosing and resolving technical issues.
Provide escalated support to helpdesk staff and end users.
Administer virtualization and hypervisor environments, including VM provisioning, resource allocation, and host maintenance.
Manage Microsoft 365 and collaboration services, including Exchange Online, Teams, SharePoint, and OneDrive.
Automate routine administration and reporting using PowerShell or comparable scripting tools.
Support employee onboarding and offboarding, including account provisioning, hardware imaging, and access revocation.
Test and validate backup and disaster-recovery procedures, including periodic restore verification.
Participate in an on-call rotation and perform scheduled after-hours maintenance windows.
Track IT assets, licenses, and renewals; support technology procurement and budget planning.
Administer Cisco Meraki cloud-managed networking, including MX security appliances, MS switches, and MR wireless access points; manage dashboard configuration, firmware updates, VLANs, SSIDs, network monitoring, and alerting.