Kforce is working with a client in search of a Senior Systems Administrator to join their team in NYC. This position is full time, direct hire and hybrid in Manhattan, NY. The Senior System Administrator is responsible for operating secure computing platforms and enterprise applications in the Institute's network. Essential Functions: * Configure, maintain, monitor, upgrade, and support the VMware private cloud infrastructure in the corporate datacenter * Build, monitor, upgrade, and support Windows and Linux virtual servers * Configure, maintain, monitor, upgrade, and support network services, such as Active Directory and AD Replication, DNS, DHCP, SMB, DFSR * Configure, maintain, monitor, upgrade and support Exchange on-premise and Office 365 environment and the cyber security infrastructure * Manage the Disaster Recovery plan by ensuring RPO and RTO are achieved, tape backups are performed on scheduled basis, and offsite replication functions as expected; Execute regularly scheduled disaster recovery testing * Monitor and administer storage devices, including SAN utilized by VMware vSphere environment * Create, troubleshoot, and maintain scripts, including PowerShell and Batch scripts to automate repetitive tasks for improved reliability and efficiency * Provide infrastructure support for multiple developed systems and applications of medium to high complexity ensuring control, integrity, and accessibility * Work with application owners to provide support for business-critical applications, ensuring maximum uptime and reliability of revenue generating websites * Deploying and managing security SSL/PKI Certificates utilizing Enterprise Certificate Lifecycle Management solution * Manage MFA infrastructure, including troubleshooting, configuring new SAML configurations and upgrading on-premise connectors