Senior System Administrator(VMware)

Feuji - New York, NY

Full-time - Senior

New York, NY

Professional, Scientific, and Technical Services

About the position

The Senior System Administrator at Feuji Inc is responsible for managing and maintaining secure computing platforms and enterprise applications within the organization's network. This role involves overseeing the operation of Windows and Linux servers, ensuring the reliability and performance of the IT infrastructure, and responding to security incidents and threats. The position requires advanced problem-solving skills and a focus on enterprise security, as well as collaboration with internal teams and external vendors to deliver reliable IT services.

Responsibilities

• 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.
• Maintain, monitor, upgrade, and support the Institute’s cyber-security infrastructure.
• Manage the Institute’s Disaster Recovery plan, ensuring RPO and RTO are achieved, and perform scheduled tape backups and offsite replication.
• Monitor database performance and recommend changes.
• Monitor and administer storage devices, including SAN utilized by VMware vSphere environment.
• Support enterprise-wide work initiatives and projects.
• Recommend improvements that increase system security, reliability, and performance.
• Create, troubleshoot, and maintain scripts, including PowerShell and Batch scripts to automate repetitive tasks.
• Provide infrastructure support for multiple developed systems and applications of medium to high complexity.
• Work with application owners to support business-critical applications, ensuring maximum uptime.
• Deploy and manage security SSL / PKI Certificates utilizing Enterprise Certificate Lifecycle Management solution.
• Manage, maintain, and support MFA infrastructure, including troubleshooting and configuring new SAML configurations.
• Support and comply with the Institute’s Information Security Management System (ISO/IEC 27001:2013).
• Manage organization’s security awareness program.
• Participate in IT audits and cybersecurity assessments.
• Serve as primary point of contact with the Institute’s Security Operations Center (SOC).
• Maintain, monitor, adjust, troubleshoot and create rules on firewalls.
• Deliver clear and concise performance and uptime reports to management.
• Keep current on the cybersecurity, regulatory, and threat landscapes.
• Perform upgrades, patches, and updates to production applications and servers.
• Provide technical assistance to members of the IT Department.
• Prepare project plans, implementation scheduling, and coordinate new site installations.
• Document system and network infrastructure and application processes.

Requirements

• 8+ years hands-on experience deploying, administering, and upgrading Microsoft Active Directory, AD Sites and Services, FSMO Roles, AD Replication, ADFS.
• 8+ years hands-on experience creating, tuning, and troubleshooting AD Group Policy Objects (GPO).
• 8+ years hands-on experience managing internal and external DNS servers, records and zones.
• 8+ years hands-on experience deploying, administering, and upgrading Windows and Linux servers in a large IT environment (> 400 servers).
• 8+ years hands-on experience maintaining enterprise IT infrastructure.
• 8+ years hands-on experience deploying, administering, and upgrading Windows Server and Client operating systems.
• 8+ years hands-on experience deploying, administering, and upgrading VMware vSphere, including vCenter, ESXi, vCenter Networking, and vSphere Clustering.
• 8+ years hands-on experience managing firewalls, including troubleshooting and adjusting firewall rules.
• 5+ years hands-on experience with PowerShell, including PowerCLI and AD Administration.
• 5+ years hands-on experience deploying, administering, and upgrading a VMware Horizon View cloud desktop environment.
• 3+ years hands-on experience maintaining VMware Horizon View cloud desktop environment.
• 2+ years hands-on experience administering public cloud environments.
• Bachelor's degree in Engineering plus eight years experience.

Nice-to-haves

• VMware, Microsoft Windows, and Cisco Systems certifications desired.