Systems Administrator – Managed Services (On-Site NYC)

About the Role

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.

• Administer and maintain Windows Server environments, including:
  • Server provisioning and hardware configuration
  • OS patching, updates, and validation
  • Performance monitoring and proactive optimization
• Manage and troubleshoot Active Directory environments, including:
  • Group Policy administration
  • User and security management
  • Authentication and access control
• Support and maintain core network services:
  • DNS and DHCP configuration and troubleshooting
  • Network performance monitoring and issue resolution
• Administer Microsoft Azure environments, including:
  • Azure AD management
  • Virtual machine provisioning and support
  • Cloud storage and infrastructure services
• Implement and maintain security best practices across all systems:
  • Identity and access management
  • Privileged access controls
  • 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
  • Escalation support for service delivery teams

• 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)
  • DNS and DHCP
• Hands-on experience with Microsoft Azure, including Azure AD and IaaS workloads
• Proven ability to troubleshoot complex infrastructure issues independently

• 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

• Location: Fully on-site in New York City
• This role requires hands-on access to infrastructure and direct collaboration with internal teams and clients

• Work on diverse, enterprise-grade environments
• Exposure to both on-prem and cloud infrastructure
• Opportunity to work with modern security and automation tools
• Collaborative, fast-paced MSP environment with growth potential