IT Systems Administrator

Epsg, Llc.; Melville (NY); On-site; USD 90,000 - 110,000; Full time

Job summary

Epsg, Llc. in Melville, NY is seeking an IT Systems Administrator to manage and optimize the organization's IT infrastructure.

The role covers Microsoft 365, Azure, Windows Server, Active Directory/Microsoft Entra ID, and endpoint management, ensuring high availability, security, and performance across on-prem and cloud resources. The ideal candidate has 4–7 years of systems administration experience, strong troubleshooting skills, and excellent communication to collaborate with MSPs and

Qualifications

• 4–7 years of Systems Administration experience.
• Experience supporting Microsoft 365 environments.
• Experience with Active Directory and Microsoft Entra ID.
• Experience with Windows Server administration.
• Familiarity with Azure cloud services.

Responsibilities

• Administer Windows Server environments and related services.
• Manage Active Directory and Microsoft Entra ID (Azure AD).
• Monitor system performance and server health.
• Perform system updates, patching, and maintenance.
• Manage and Coordinate activities with the MSP.
• Provide Level 2 and Level 3 technical support.
• Document system changes and procedures.

Skills

Windows Server

Active Directory

Azure AD / Entra ID

Microsoft 365

Azure

PowerShell scripting

Security tools

EDR

Education

Bachelor's degree in Information Technology

Equivalent experience

Tools

Microsoft 365

Azure

Windows Server

Active Directory

Entra ID / Azure AD

PowerShell

VMware/Hyper-V

Networking basics

Job description

If you are unable to complete this application due to a disability, contact this employer to ask for an accommodation or an alternative application process.

IT Systems Administrator

Full Time Melville, NY, US

30+ days ago Requisition ID: 1026

Salary Range: $90,000.00 To $110,000.00 Annually

Position Summary

The IT Systems Administrator is responsible for the administration, maintenance, security, and optimization of the organization's IT infrastructure. This role supports Microsoft 365, Azure, servers, networking, endpoint management, cybersecurity tools, and user access management while ensuring system availability and reliability.

The ideal candidate has 4–7 years of systems administration experience and possesses strong troubleshooting, communication, and technical skills.

Key Responsibilities

Infrastructure Administration

• Administer Windows Server environments and related services.
• Manage Active Directory and Microsoft Entra ID (Azure AD).
• Monitor system performance and server health.
• Perform system updates, patching, and maintenance.
• Manage and Coordinate activities with the MSP

Microsoft 365 Administration

• Manage Microsoft 365 services including:
• Exchange Online
• Microsoft Teams
• SharePoint Online
• OneDrive
• Create and manage user accounts, groups, and licenses.
• Troubleshoot mail flow, Teams, and collaboration platform issues.
• Support Microsoft Azure infrastructure and services.
• Manage virtual machines, storage accounts, and networking components.
• Monitor Azure resources and implement security best practices.
• Manage Windows workstations and mobile devices.
• Utilize Microsoft Intune for device enrollment and policy management.
• Deploy software updates and security configurations.

Security & Compliance

• Implement and maintain cybersecurity controls.
• Administer security platforms such as:
• Zscaler
• Endpoint Detection & Response (EDR) solutions
• Assist with vulnerability remediation and compliance initiatives.
• Coordinate activities with the MSSP.

Backup & Disaster Recovery

• Monitor backup solutions and storage systems.
• Monitor backup testing and recovery procedures.

Support & Troubleshooting

• Provide Level 2 and Level 3 technical support.
• Troubleshoot:
• Servers
• Networking
• Microsoft 365
• Security solutions
• Escalate complex issues when necessary.

Documentation

• Maintain technical documentation, diagrams, and procedures.
• Document system changes and operational processes.
• Develop knowledge base articles for internal support teams.

Required Qualifications

Education

• Bachelor's degree in Information Technology, Computer Science, or related field preferred.
• Equivalent experience may be considered.

Experience

• 4–7 years of Systems Administration experience.
• Experience supporting Microsoft 365 environments.
• Experience with Active Directory and Microsoft Entra ID.
• Experience with Windows Server administration.
• Familiarity with Azure cloud services.

Technical Skills

• Microsoft 365 Administration
• Active Directory / Entra ID
• Windows Server
• VMware or Hyper-V
• PowerShell scripting
• TCP/IP, DNS, DHCP
• Backup and recovery solutions
• Security tools and best practices

Preferred Certifications

• Microsoft 365 Certified: Administrator Expert
• CompTIA Network+
• CompTIA Security+
• ITIL Foundation
• Strong analytical and troubleshooting skills
• Excellent communication and customer service skills