Network & Systems Administrator - PT or FT available

We are seeking an experienced Network & Systems Administrator to oversee the maintenance and support of our IT infrastructure. This role requires a hands-on professional with a broad technical skill set, capable of managing servers, networks, and end-user devices in a dynamic, multi-user environment.
This is an on-site position in Jericho, NY - Long Island. Full-time or part-time work hours are available (20-35 hours per week). 

Responsibilities:

• Maintain and monitor all IT systems to ensure optimal performance and security
• Conduct and maintain a full hardware and software inventory
• Manage and apply Windows OS and security updates across all endpoints
• Provide support for LAN and WAN environments, including troubleshooting and basic network configuration
• Set up, configure, and deploy new hardware and devices on a recurring lifecycle schedule
• Manage a server environment that includes: 6 physical servers and Virtual machines hosted via Proxmox
• Ensure stability and availability of all critical IT systems
• Troubleshoot and resolve hardware, software, and network issues
• Provide general user support and respond to technical issues as needed
• Support organization-specific digital platforms and web-based services (e.g., online resources, streaming services, database access)
• Document procedures and contribute to the development of best practices

Requirements:

• 5–7 years of IT experience, including at least 3 years in network or systems administration
• Proficiency with Windows Server environments and client OS updates
• Hands-on experience with LAN/WAN support, including routing/switching basics
• Familiarity with virtualization technologies (Proxmox preferred; VMware or Hyper-V acceptable)
• Experience deploying and maintaining end-user devices in an organizational setting
• Strong troubleshooting, organizational, and communication skills
• Ability to work independently and manage competing priorities
• Understanding of cybersecurity fundamentals and best practices
• Willingness to support web-based and digital service platforms used by the organization’s patrons or customers

Preferred Qualifications:

• Associate’s or Bachelor’s degree in IT, Computer Science, or a related field
• Experience supporting public-facing systems or digital content platforms
• Relevant certifications (e.g., CompTIA Network+, Security+, Microsoft certifications)