Senior Systems Administrator

Eagle Rock Properties • Plainview, NY

6h

About The Position

Eagle Rock Properties, headquartered in New York, is a full-service real estate firm offering investment management, property management, and construction management services. With a team of over 350 professionals, they specialize in rental apartment communities across the Northeast and Mid-Atlantic regions of the United States, led by executives with over 30 years of experience. The successful candidate for this role will be crucial in the implementation, migration, security, and support of both on-premises and cloud-based services, collaborating with senior IT and executive staff on all security and cloud-based initiatives.

Requirements

• 5+ years of experience in IT systems and Microsoft 365 administration.
• 5+ years of experience with Active Directory, Entra ID, Intune, PowerShell, and automation.
• Strong grasp of cybersecurity fundamentals and best practices especially NIST-CSF.
• Demonstrated ability to lead or contribute to migration projects (AD Entra ID, SMB SharePoint).
• Familiar with migration to phish resistant MFA technologies, passkeys/FIDO2.
• Experience with SAML / OAuth2 / FIDO2 / Passkey authentication and Conditional Access policies.
• Familiarity with NIST CSF controls.
• Proven problem-solving skills, attention to detail, and proactive mindset.
• Excellent communication and collaboration abilities.

Nice To Haves

• CompTIA (Sec+, CySA, Cloud+)
• Microsoft (MS-102, MD-102, SC-300, AZ-104)

Responsibilities

• Implement and maintain Microsoft 365 security and compliance configurations across Intune, Entra ID, and related services.
• Serve as Tier 2 / escalation support for complex and high-impact technical issues.
• Administer and optimize SharePoint, OneDrive, Teams, and Exchange Online environments.
• Develop and enforce device, application, and configuration policies through Intune and Entra ID.
• Manage data governance, classification, discovery, and protection using Microsoft Purview tools.
• Implement and manage modern authentication standards including FIDO2, passkeys, and Conditional Access policies.
• Ensure alignment with organizational IT standards, policies, and security baselines.
• Maintain and publish clear, detailed documentation for configurations, policies, and operational procedures.
• Contribute to continuous security hardening and improvement of Microsoft Secure Score.

What This Job Offers

• Career Level: Senior
• Education Level: No Education Listed
• Number of Employees: 11-50 employees