IT Administrator

We're looking for a hands-on IT Administrator to join a small, high-impact IT team. You'll handle day-to-day administration across Microsoft 365, endpoint management, email infrastructure, and user support, while helping us maintain a strong security and compliance posture. This role reports to the IT Systems and Cybersecurity Administrator. Job Details: ■ Administer Microsoft 365 and Exchange Online, including user lifecycle, licensing, mailboxes, shared mailboxes, and distribution groups ■ Manage Windows devices through Intune, Entra ID, and Autopilot, including enrollment, compliance policies, configuration profiles, and app deployment ■ Monitor and respond to alerts in Microsoft Defender for Endpoint ■ Support legacy cPanel/WHM email hosting across multiple company domains during our ongoing transition to Exchange Online ■ Maintain email authentication and deliverability (SPF, DKIM, DMARC) ■ Support Windows Server administration, including licensing, patching, and backups ■ Support Sage 50 for the finance team, including installation, updates, user access, company file backups, and troubleshooting ■ Provide Tier 1 and Tier 2 support to users across offices and vessels ■ Track hardware and software assets in our internal asset management system ■ Document procedures and configurations to support CMMC and DFARS audit evidence ■ Coordinate with vendors, ISPs, and telecom providers on service issues and billing Required ■ 2+ years of IT administration or systems support experience ■ Experience supporting Windows 10/11 and macOS computers, as well as iPhone/iPad and Android devices, including Microsoft 365 access, device enrollment, and common connectivity issues. ■ Familiarity with Intune and Entra ID (Azure AD) ■ Solid understanding of Windows 10/11, Active Directory concepts, DNS, and basic networking ■ Strong troubleshooting skills and clear communication with non-technical users ■ Ability to follow documented procedures in a compliance-driven environment Preferred ■ CompTIA Security+, Network+, or Microsoft certifications (MD-102, MS-102, AZ-104) ■ Experience with CMMC, NIST SP 800-171, or DFARS environments ■ Experience with cPanel/WHM or Exim mail servers ■ Microsoft Defender for Endpoint experience ■ Experience supporting Sage 50 or similar accounting software in a multi-user environment ■ Scripting ability in PowerShell or Python ■ Bachelor's degree in Computer Science, IT, or related field (or equivalent experience) Additional Requirements : ■ Must be able to work on-site in Guam ■ Must be a U.S. citizen ■ Must pass a background check ■ Occasional after-hours support may be required