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LincolnIT

Systems Administrator – Managed Services (On-Site NYC)

New York, NYPosted 1 weeks ago
onsite

Job Description

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.


Key Responsibilities

  • 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

Required Qualifications

  • 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

Preferred Qualifications

  • 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

Work Environment

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

Why Join Lincoln

  • 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

Systems Administrator – Managed Services (On-Site NYC) at LincolnIT | Renata