Senior Systems & Network Administrator

Jobtailor; Town of Florida (NY); On-site; USD 110,000 - 150,000; Full time

Job summary

Jobtailor is seeking an experienced IT Systems Administrator to administer Windows Server, Linux, Active Directory, Azure AD/Entra ID, and M365 across on-site and cloud environments. The role includes patching, backups, DR tests, and hands-on endpoint support, with responsibility for multi-site networks and RingCentral VOIP.

You will monitor system performance, respond to incidents, maintain security controls, and document configurations. Occasional travel to marina locations may be required.

Qualifications

• Minimum five (5) years of related experience administering Windows Server, Linux, Active Directory, Azure AD/Entra ID, Microsoft 365, virtualization, and related infrastructure.
• Experience with cloud services integration (AWS/Azure/Google Cloud) and on-premises integration.
• Certifications such as CompTIA Server+/Network+, Microsoft Azure/M365 Administrator or CCNA are required or preferred.
• Strong knowledge of security practices and PCI-DSS compliance is preferred.
• Excellent communication and problem-solving skills; ability to work under pressure.

Responsibilities

• Administer, maintain, and troubleshoot Windows Server, Linux, AD, Azure AD/Entra ID, M365, virtualization, and DR strategies.
• Manage user accounts, permissions, and access controls across on-site and cloud services.
• Perform patch management, backups, and disaster recovery testing.
• Provide endpoint support for desktops, laptops, and peripherals, including imaging and deployment.
• Oversee multi-site network infrastructure (Routers, switches, firewalls, Meraki).
• Monitor performance, availability, and respond to outages; coordinate with vendors.
• Configure RingCentral VOIP services; support escalation and issue resolution.
• Maintain documentation and assist with security audits and PCI-DSS compliance.
• Collaborate with IT team and external partners to align solutions with business needs.

Skills

Active Directory Management

Windows Server Administration

Linux Administration

Cloud Services (AWS/Azure/Google)

Microsoft 365 Administration

Network Infrastructure Management

Patch Management

Security Practices (PCI-DSS)

VOIP Management (RingCentral)

Documentation & Troubleshooting

Education

Bachelor's degree in IT/CS or related field

CompTIA Server+

CompTIA Network+

Microsoft Azure/Microsoft 365 Administrator

CCNA

VMware/Hyper-V

Meraki Certifications

Tools

Cisco LAN/WAN devices

Meraki equipment

Ubiquiti

VMware/Hyper-V tools

Microsoft 365 Admin Center

Azure AD/Entra ID tools

RingCentral VOIP tools

Job description

Jobtailor is seeking an experienced IT Systems Administrator to administer Windows Server, Linux, Active Directory, Azure AD/Entra ID, and M365 across on-site and cloud environments. The role includes patching, backups, DR tests, and hands-on endpoint support, with responsibility for multi-site networks and RingCentral VOIP.

You will monitor system performance, respond to incidents, maintain security controls, and document configurations. Occasional travel to marina locations may be required.