Systems Administrator – Managed Services (On-Site NYC)

Lincoln IT•New York, NY

4d•Onsite

About The Position

Lincoln is seeking an experienced Systems Administrator to join our team in New York City. This is a hands-on, on-site position supporting enterprise infrastructure environments across multiple clients. The ideal candidate is technically strong, detail-oriented, and comfortable operating at both operational and escalation levels.

Requirements

5+ years of experience in Systems Administration or Infrastructure Engineering
Advanced experience with Windows Server environments
Strong working knowledge of Active Directory (Group Policy, user management)
Strong working knowledge of DNS and DHCP
Hands-on experience with Microsoft Azure, including Azure AD and IaaS workloads
Proven ability to troubleshoot complex infrastructure issues independently

Nice To Haves

Experience with Privileged Access Management (PAM) tools such as CyberArk
Background in managed services (MSP) environments
Familiarity with security frameworks and best practices
Experience supporting multi-site or hybrid environments

Responsibilities

Administer and maintain Windows Server environments, including server provisioning and hardware configuration, OS patching, updates, and validation, and performance monitoring and proactive optimization.
Manage and troubleshoot Active Directory environments, including Group Policy administration, user and security management, and authentication and access control.
Support and maintain core network services, including DNS and DHCP configuration and troubleshooting, and network performance monitoring and issue resolution.
Administer Microsoft Azure environments, including Azure AD management, virtual machine provisioning and support, and cloud storage and infrastructure services.
Implement and maintain security best practices across all systems, including identity and access management, privileged access controls, and compliance-driven configuration standards.
Troubleshoot and resolve Tier 2 / Tier 3 infrastructure issues, including root cause analysis of complex system issues, differentiation between system-level and network-related problems, and escalation support for service delivery teams.