Job Location:Hauppauge NY

The following statements are intended to describe the general nature and level of work being performed. They are not intended to be an exhaustive list of all essential functions, duties, or skills required for this role. Management retains the discretion to add or change the duties at any time.

Job Description: We are seeking a hands-on System Administrator to join our IT team and play a key role in maintaining and enhancing our enterprise technology environment. This position is responsible for supporting and administering our predominantly Microsoft-based infrastructure, including servers, cloud services, networking, virtualization, endpoint management and cybersecurity technologies.

The ideal candidate is a proactive problem solver who enjoys working across a broad range of technologies, collaborates effectively with software engineers, IT specialists, and external partners, and is passionate about improving systems, processes, and the overall user experience. Strong documentation skills and a continuous improvement mindset are essential.

Essential Functions:

• Windows Server & Microsoft 365 - In-depth knowledge of Active Directory, Azure AD, Microsoft Teams, and Multi-Factor Authentication (MFA).
• Administer Microsoft 365, including Exchange, SharePoint, OneDrive, Teams, and Intune.
• Manage laptop deployment, imaging, configuration, software deployment and policy enforcement through Intune.
• Support SQL Server administration, installation, updates, backup/restore routines and basic maintenance tasks.
• VMware vSphere - Experience managing and configuring VMware virtualized environments (ESXi). Experience with new cluster builds and configuration is a plus.
• Networking - Strong understanding of TCP/IP, DNS, DHCP, VLANs, and firewall management. Experience with enterprise-grade firewalls such as Palo Alto, Fortinet, or similar.
• Email Security - Solid understanding of email flow, routing, spam filtering, malware protection, and DLP.
• Physical Infrastructure - Hands-on experience with server hardware including racking, cabling, troubleshooting, diagnostics, and component replacement.
• Perform Server and network hardware support, maintenance, and upgrades.
• Provide end-user support, troubleshoot technical issues, and ensure a positive user experience.
• Monitor systems for security vulnerabilities, support patch management, and participate in cybersecurity initiatives and compliance activities.
• Document systems, procedures, and configurations, and recommend improvements to enhance reliability, security, and operational efficiency.

Qualifications:

• Minimum 4 years of experience as a Systems Administrator or in a similar infrastructure support role within an enterprise environment.
• Bachelor's degree in Computer Science, Information Technology, or related field; equivalent experience will be considered.
• Strong hands-on experience with Windows Server, virtualization platforms, and core networking.
• Experience managing Active Directory, Azure AD, and Microsoft 365.
• Experience with endpoint management, patching systems, and device policy controls.
• Knowledge of firewalls, wireless access points, VPNs, and general LAN architecture.
• Experience with desktop/laptop deployments including design, engineering and support of endpoints, imaging, encryption, endpoint CVEs, security alerts from monitored systems, and compliance with SOPs.
• Experience with MFA, SSO, and other security identity tools such as Entra.
• Familiarity with CMMC, NIST, ISO 27001 and similar standards.

Preferred Additional Skills:

• SQL Server Certification.
• Strong written and verbal skills.
• -Excellent organization skills with the ability to manage multiple priorities.
• General understanding of Windows operating system usage and permissions.
• Strong knowledge of Windows Server, Active Directory, networking, and virtualization technologies.
• Familiarity with cybersecurity best practices and compliance standards.
• Relevant certifications (e.g., Microsoft Certified Systems Administrator, CompTIA Network+, VMware) preferred.

Please be aware that many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.