Senior System Administrator

Job summary

The Senior Systems Administrator is responsible for managing systems within Microsoft 365 GCC High, including Exchange Online, SharePoint, and Teams. Key responsibilities include building identity and access automation in an Entra-native environment, managing endpoint security through Intune, and overseeing SaaS administration and integration across business applications to support daily operations.

Qualifications

• 7+ years administering and engineering production systems
• Deep, hands-on experience across responsibilities
• Solid networking fundamentals: VLANs, routing, firewall policy, DNS/DHCP, VPN, wireless
• Treats compliance control implementation as normal work

Responsibilities

• Own Microsoft 365 GCC High: Exchange Online, SharePoint, Teams, and tenant configuration
• Own Entra end-to-end: conditional access, privileged access, app registrations, single sign-on
• Build IAM automation layer: joiner/mover/leaver lifecycle, entitlements driven by HR data, provisioning through Graph and SCIM
• Own Windows and endpoint management through Intune, Autopilot, compliance policy, update rings
• Own email security and information protection: Defender for Office, mail flow, anti-phishing, Purview for DLP
• Own SaaS administration and integration across business applications
• Manage workloads, services, and licensing infrastructure in AWS
• Take platform projects from idea to deployment, integration, and documentation
• Implement technical controls for CMMC assessment

Skills

Degrees

Relocation