Senior IT System Administrator

We're seeking a Senior IT System Administrator to join our North America IT team. In this hands-on role, you'll help design, deploy, and support our multi-cloud and hybrid infrastructure, to ensure secure, reliable and scalable services while driving improvements to IT processes, tooling, and the overall end-user experience.

What You’ll Do:

• Administer our hybrid, multi-cloud infrastructure
• Manage network connectivity across cloud and on-prem environments, troubleshooting BGP and OSPF configurations for site-to-site connectivity, VPN and Direct Connect/ExpressRoute links, transit gateways, and multi-region network architecture.
• Administer secure Network Access Control (NAC) to govern how users, devices, and endpoints authenticate.
• Manage IAM policies and role-based access across software, services and on-prem environments,
• Build automation scripts and tooling to improve IT processes, streamline provisioning, and support CI/CD pipelines for infrastructure changes.
• Vulnerability remediation, harden systems against emerging threats
• Maintain IT security best practices and support audits against relevant compliance frameworks (e.g., SOC 2, ISO 27001).
• Administer provisioning/deprovisioning of user accounts, GPO, conditional access, SSO (SAML/OIDC), and device identity.
• Serve as the escalation point for complex issues
• Contribute to knowledge base articles, runbooks and process documentation
• Collaborate with business leads/teams to drive improvements

What We’re Looking For:

• 7–10+ years of managing hybrid environments (Windows Server, Linux, Active Directory, firewalls, routers/switches) alongside AWS/Azure/GCP cloud-native resources.
• Advanced networking, hands-on knowledge of routing protocols.
• Hands-on experience implementing secure Network Access Control (NAC) solutions (e.g., Cisco ISE, Aruba ClearPass, or similar) to enforce authenticated, policy-based access for users and devices.
• Strong scripting ability in PowerShell, Python, and/or Bash to automate operational workflows.
• Familiarity with MDM/endpoint management tools (JAMF, Intune)
• Familiarity with monitoring/observability tools (CloudWatch, Splunk, Datadog)
• Solid understanding of core security and compliance practices
• Strong troubleshooting skills across Windows, Mac, and mobile devices