IT Admin & GRC Specialist – GCC High

Fuse; United States; On-site; USD 90,000 - 130,000; Full time

Benefits offered by this job

Medical, dental, vision coverage

Relocation assistance

Flexible time off

Paid time off at year end

10 holidays per year

Leave for personal reasons

401(k) retirement plan

Meals on site at select facilities

Job summary

Fuse is seeking an IT Administrator to manage a Microsoft 365 GCC High environment and lead GRC documentation for NIST SP 800-171 / CMMC. The role involves on-site IT administration, endpoint management for macOS and Windows, and coordinating with our MSSP for 24/7 security monitoring.

Ideal candidates will have hands-on GCC High experience, knowledge of NIST controls, strong problem-solving, and the ability to create assessor-ready SSP/POA&M documentation. U.S.

Qualifications

• Hands-on administrative experience with Microsoft 365 GCC High (or GCC) environments.
• Working knowledge of NIST SP 800-171 controls, both as applied to IT administration and as documented for CMMC compliance.
• Experience managing and supporting both macOS and Windows endpoints in a business environment.
• Demonstrated help desk/end-user support and troubleshooting experience.
• Strong written documentation skills — able to translate technical controls into clear, assessor-ready language (SSP, POA&M, or equivalent).
• Experience organizing and maintaining audit or compliance evidence.
• Ability to obtain a Top Secret (TS) security clearance (U.S. citizenship required).

Responsibilities

• Administer our Microsoft 365 GCC High tenant, including user identity, mailboxes, licensing, and access management.
• Manage and support a mixed fleet of macOS and Windows endpoints, including device provisioning, patching, and compliance configuration.
• Provide help desk support and troubleshooting for end users, resolving hardware, software, and connectivity issues.
• Manage user onboarding and offboarding, ensuring timely and accurate provisioning/deprovisioning of accounts and access.
• Serve as the local point of contact for our MSSP, coordinating on SOC monitoring, alert triage, and log/data access for 24/7 security monitoring.

Skills

M365 GCC High admin

NIST SP 800-171 knowledge

Mac & Windows endpoints

Help desk support

Strong documentation

Audit evidence management

TS clearance eligibility

Tools

Intune

Job description

Fuse is seeking an IT Administrator to manage a Microsoft 365 GCC High environment and lead GRC documentation for NIST SP 800-171 / CMMC. The role involves on-site IT administration, endpoint management for macOS and Windows, and coordinating with our MSSP for 24/7 security monitoring.

Ideal candidates will have hands-on GCC High experience, knowledge of NIST controls, strong problem-solving, and the ability to create assessor-ready SSP/POA&M documentation. U.S.