Microsoft 365 Systems Administrator

System One Holdings, LLC

$80K — $95K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Experience administering Microsoft 365 environments.
  • Hands-on experience with Microsoft Intune, Defender, Purview, and Conditional Access Policies.
  • Experience managing Windows desktop environments and Microsoft cloud services.
  • Knowledge of identity and access management and endpoint security practices.
  • Experience with Mimecast, Azure, or Windows Server administration.
  • Familiarity with public sector compliance frameworks like NIST.
  • Relevant Microsoft certifications such as 365 Administrator or Security Operations Analyst.

Responsibilities

  • Configure and maintain Conditional Access Policies and multifactor authentication.
  • Administer Microsoft Intune for endpoint management and device compliance.
  • Monitor Microsoft Defender security alerts and respond to incidents.
  • Support data protection and compliance with Microsoft Purview policies.
  • Manage email security and respond to threats and vulnerabilities.
  • Handle Windows endpoints and assist with server administration.
  • Perform system monitoring, patch management, and remediation.
  • Maintain documentation and collaborate on IT projects.

Benefits

  • Join a growing IT team focused on Microsoft technologies and security.
  • Work in an environment that emphasizes operational excellence and continuous improvement.
Full Job Description
We are seeking a Microsoft Systems Administrator ( Microsoft 365 Security Administrator ) to support, maintain, and secure Microsoft 365 environments. This role will administer Microsoft O365 and email security services, manage user and device access, endpoint management, and maintain security controls across the organization.

The ideal candidate will have strong experience with Microsoft 365 administration, Microsoft security technologies, identity and endpoint management.

Responsibilities :

- Con?gure 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.

Required Quali?cations :

- ?xperience administering Microsoft 365 environments.

- Hands-on experience with: Microsoft Intune, Microsoft Defender, Microsoft 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

Why Join Us :

- Join a growing IT team supporting modern Microsoft technologies in an environment focused on security, operational excellence, and continuous improvement.

For immediate consideration, please connect with me on LinkedIn at https://www.linkedin.com/in/dpotapenko and then email your resume, current location, availability, and compensation expectations directly to [email protected] - make sure to include the exact job title and job location in your email message.

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#LI-DP1

#M1

Ref: #404-IT Pittsburgh

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