Microsoft 365 Security Administrator | IAM & Defender

Ethereum Technologies LLC; Atlanta (GA); On-site; USD 82,000 - 117,000; Full time

Job summary

Ethereum Technologies in Atlanta, GA is seeking a Microsoft 365 Systems Administrator (Microsoft 365 Security Administrator) to support, maintain, and secure Microsoft 365 environments, administer O365 and email security, manage user and device access, and enforce security controls.

This role requires hands-on experience with Intune, Defender, Purview, Entra ID, Exchange Online, and email security, plus familiarity with Mimecast, Azure, or Windows Server.

Qualifications

• Experience administering Microsoft 365 environments.
• Hands-on experience with Microsoft Intune, Defender, Purview, Conditional Access Policies, Entra ID (Azure AD), Exchange Online and email security.
• Experience managing Windows desktop environments and Microsoft cloud services.
• Knowledge of identity and access management, endpoint security, and Microsoft security best practices.
• Experience with Mimecast, Azure, or Windows Server administration.
• Experience supporting public sector, government, or regulated environments and knowledge of NIST, or other compliance frameworks.
• Microsoft certifications such as Microsoft 365 Administrator, Endpoint Administrator, Identity and Access Administrator, Security Operations Analyst or Azure Administrator

Responsibilities

• Configure and maintain Conditional Access Policies, multifactor authentication, and access controls.
• Administer Microsoft Intune for endpoint management, device compliance, application deployment, and updates.
• Monitor and manage Microsoft Defender security alerts and respond to security-related incidents.
• Support Microsoft Purview policies, including data protection, retention, and compliance requirements.
• Manage email security, respond to threats, and remediate vulnerabilities.
• Manage Windows endpoints and assist with Windows Server administration.
• Perform system monitoring, patch management, and vulnerability remediation.
• Maintain technical documentation and support IT projects and initiatives.
• Work with internal teams and vendors to ensure reliable and secure technology services.

Skills

Identity and access management

Endpoint security

Security best practices

Regulated environment experience

Education

Microsoft 365 Administrator certification

Azure Administrator certification

Security Operations Analyst certification

Tools

Microsoft Intune

Microsoft Defender

Microsoft Purview

Conditional Access Policies

Entra ID (Azure AD)

Exchange Online

Mimecast

Azure

Windows Server

Job description

Ethereum Technologies in Atlanta, GA is seeking a Microsoft 365 Systems Administrator (Microsoft 365 Security Administrator) to support, maintain, and secure Microsoft 365 environments, administer O365 and email security, manage user and device access, and enforce security controls.

This role requires hands-on experience with Intune, Defender, Purview, Entra ID, Exchange Online, and email security, plus familiarity with Mimecast, Azure, or Windows Server.