Senior Systems Administrator - GCC High IAM & Cloud Automation

IT Resource Hunter; El Segundo (CA); On-site; USD 120,000 - 150,000; Full time

Job summary

IT Resource Hunter seeks a Senior System Administrator to own the GCC High Microsoft 365 tenant, Entra identity, and IAM automation. You will manage Intune-based endpoint and email security, plus SaaS and AWS infrastructure, with a focus on continuous compliance and evidence for CMMC.

You will lead platform projects from concept to deployment, collaborating with IT DevOps and security teams to advance secure, scalable systems in a high-ownership role.

Qualifications

• Bachelor’s degree in Information Technology, Computer Engineering, Cybersecurity, or similar field (4 years of work experience in lieu of a degree).
• 7+ years administering and engineering production systems.
• GCC High tenant administration, Entra, IAM automation, Intune without Group Policy, email security and Purview, and SaaS/AWS administration.
• Solid networking fundamentals: VLANs, routing, firewall policy, DNS/DHCP, VPN, wireless.
• Compliance controls and evidence collection as routine work.

Responsibilities

• Own Microsoft 365 GCC High: Exchange Online, SharePoint, Teams, and the tenant configuration underneath them.
• Own Entra end-to-end: conditional access, privileged access, app registrations, and single sign-on.
• Build the IAM automation layer: joiner/mover/leaver lifecycle, HR-driven entitlements, provisioning through Graph and SCIM, and automated access reviews.
• Own Windows and endpoint management through Intune, Autopilot, compliance policy, and update rings across the fleet without Group Policy.
• Own email security and information protection: Defender for Office, mail flow, anti-phishing posture, and Purview for DLP, labeling, and retention in a CUI environment.
• Own SaaS administration and integration across the business app portfolio (Box, Slack); some today, some in project.
• Own workloads, services, and licensing in AWS; collaborate with IT DevOps for account layers.
• Take new platform projects from idea to deployed, integrated, and documented.
• Implement and evidence technical controls for the CMMC assessment as part of normal work.

Skills

GCC High admin

Entra Admin

IAM automation

Intune endpoint mgmt

Email security

SaaS/AWS administration

Networking fundamentals

Compliance evidence

Team collaboration

Education

Bachelor’s degree in IT or related

Tools

PowerShell

Python

Microsoft Graph

Terraform

Bicep

Job description

IT Resource Hunter seeks a Senior System Administrator to own the GCC High Microsoft 365 tenant, Entra identity, and IAM automation. You will manage Intune-based endpoint and email security, plus SaaS and AWS infrastructure, with a focus on continuous compliance and evidence for CMMC.

You will lead platform projects from concept to deployment, collaborating with IT DevOps and security teams to advance secure, scalable systems in a high-ownership role.