M365 Security Administrator

Prophecy Technologies

$90K — $120K *
US-AnywhereRemote in United States
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in Microsoft 365 Administration
  • Strong expertise in Microsoft 365 Security and Compliance
  • Proficient in Entra ID (Azure AD) management
  • Experience with Exchange Online and administration of SharePoint Online and Microsoft Teams
  • Skilled in using Microsoft 365 Security & Compliance Center
  • Familiarity with Windows 11 administration and integration

Responsibilities

  • Administer various Microsoft 365 services including Exchange Online and Microsoft Teams
  • Manage identities and security settings via Entra ID (Azure AD)
  • Configure Microsoft Defender and other security features
  • Implement Zero Trust security measures and enhance Secure Score
  • Oversee compliance features like retention policies and data governance
  • Automate tasks using PowerShell and produce reports
  • Provide advanced support and troubleshoot issues in collaboration with teams

Benefits

  • Opportunity to work in a security-focused environment
  • Collaborative team culture with direct impact on organizational security
  • Access to advanced training and certifications in Microsoft technologies
  • Flexible work arrangements to support work-life balance
Full Job Description
Job Summary

We are seeking an experienced Microsoft 365 Administrator with strong expertise in M365 security, compliance, and identity management. The role focuses on administering Microsoft 365 services, enforcing Zero Trust security controls, managing Entra ID (Azure AD), and providing L3 operational and security support across the M365 ecosystem.

Key Responsibilities
  • Administer Microsoft 365 services including Exchange Online, Microsoft Teams, SharePoint Online, OneDrive, and tenant-wide settings
  • Manage Entra ID (Azure AD) identities, MFA, Conditional Access, and role-based access control
  • Configure and support Microsoft Defender for Office 365, Purview DLP, Microsoft Cloud App Security (MCAS), and M365 security features
  • Implement and maintain Zero Trust security controls and improve Secure Score posture
  • Manage Microsoft 365 compliance features including retention policies, sensitivity labels, and data governance
  • Automate administrative and security tasks using PowerShell and generate operational and security reports
  • Provide L3 support, troubleshoot complex issues, and collaborate with security and infrastructure teams

Required Skills & Experience
  • Microsoft 365 Administration
  • Microsoft 365 Security & Compliance
  • Entra ID (Azure AD) identity and access management
  • Exchange Online administration
  • SharePoint Online and Microsoft Teams administration
  • Microsoft 365 Security & Compliance Center
  • Windows 11 administration and endpoint integration

Competencies
  • Strong security-first and Zero Trust mindset
  • Excellent troubleshooting and problem-solving skills
  • Ability to work independently and handle L3 escalations
  • Strong collaboration and communication skills

Preferred Skills
  • PowerShell scripting for automation and reporting
  • Experience with Microsoft Purview and Defender suite
  • Knowledge of endpoint security and Windows 11 device management

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