Microsoft 365 Security Administrator

ITnova is seeking a Microsoft 365 Security Administrator with experience supporting the Microsoft 365 suite, identity security, Multi-Factor Authentication (MFA), SharePoint, and cybersecurity operations. This role is responsible for securing and administering the Microsoft 365 environment, managing user access and authentication, responding to security-related tickets, and supporting enterprise-wide security and compliance practices.

Responsibilities

• Administer and monitor Microsoft 365 suite including Exchange Online, SharePoint Online, Teams, and OneDrive
• Investigate, triage and remediate security alerts and incidents within the Microsoft 365 Defender portal
• Configure and maintain security policies including anti-phishing, anti-malware, Safe Links and Safe Attachments
• Implement and manage Multi-Factor Authentication (MFA) and Conditional Access
• Administer Microsoft SharePoint permissions, access controls, and site security
• Respond to and resolve security and access-related tickets through the Zoho ticketing system
• Document procedures, incident responses, and configuration changes
• Collaborate with compliance team to maintain a secure Microsoft 365 environment
  
  

Required Qualifications

• Bachelor’s degree in Information Technology, Cybersecurity, Computer Science, or related field
• 2–5 years of experience administering Microsoft 365
• Hands-on experience with Microsoft Defender (Endpoint, Office 365, Identity)
• Experience administering SharePoint Online permissions and governance
• Experience working within a ticketing/ITSM system (e.g., Zoho, ServiceNow, Jira, etc.)
• Understanding of cybersecurity principles including threat detection, incident response, and access control
• Experience configuring Conditional Access, Multi-Factor Authentication (MFA), and identity policies
• Strong troubleshooting, documentation, and communication skills
  
  

Key Skills

• Microsoft 365 Security Administration
• Defender alert monitoring and response
• SharePoint security and access management
• Incident response and ticket resolution
• Documentation and process adherence
  
  

Benefits

• Medical, Dental & Vision benefits
• Company paid life Insurance
• 401k
• Paid-time-off
• Paid holiday
• Training reimbursement
  
  

Applicants must be legally authorized to work in the United States at the time of application. The company is unable to sponsor or transfer employment visas for this position.

ITnova is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.