Thayer Academy · 2 days ago
Senior Systems Administrator
Trustees of Thayer Academy - BRAINTREE, MA 02184
Full-time
Onsite
Mid, Senior Level
$113K/yr - $117K/yr
5+ years expThayer Academy is seeking a Senior Systems Administrator who will own the reliability, security, and lifecycle of on-premises and cloud systems that support academic and administrative operations. This role involves managing identity, servers, endpoints, backups, security controls, and SaaS integrations, while collaborating with external specialists for network architecture.
Primary/Secondary Education
Responsibilities
Administer Microsoft Entra ID (Azure AD), hybrid identity, and Conditional Access
Manage SSO integrations (SAML / OIDC)
Support MFA platforms (e.g., Duo)
Maintain RBAC, group strategy, and lifecycle automation
Administer Windows Server and Linux systems (on-prem and cloud)
Manage virtualization platforms (VMware or equivalent)
Maintain directory, DNS, and DHCP services
Perform patching, upgrades, and lifecycle planning
Support Jamf and Intune device platforms
Integrate device identity with authentication systems
Maintain macOS and Windows configuration baselines and compliance
Administer backup platforms (Veeam, Druva, or equivalent)
Test restores and document recovery procedures
Maintain disaster recovery runbooks and system dependencies
Apply OS-level hardening and patching
Respond to endpoint and server security incidents
Support audits, logging, and compliance controls
Coordinate with security vendors and consultants
Own backend administration for Google Workspace, Microsoft 365, Blackbaud, and core platforms
Maintain service integrations and provisioning flows
Troubleshoot authentication, sync, and access issues
Maintain system documentation and diagrams
Create operational runbooks and escalation procedures
Support change management and configuration tracking
Qualification
Required
5+ years as a Systems Administrator in mixed Windows/macOS environments
Strong Windows Server and identity experience
Hands-on Entra ID / Azure AD experience
Virtualization and backup platform experience
Proven ability to own systems end-to-end
Preferred
Experience in K-12 or higher education
Intune administration
Hybrid identity migrations
SaaS-heavy environments with limited on-prem footprint
Ability to work independently without a large internal IT team
Familiarity with advanced networking concepts for coordination and troubleshooting
Company
Thayer Academy
Located next to Braintree's historic district and just up the hill from the MBTA’s final Red Line stop is the historic 34-acre campus of Thayer Academy.
51-200 employees
Funding
Current Stage
Growth StageLeadership Team
Julaine McInnis
Chief Finance and Operations Officer
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