Senior Systems & Cloud Administrator

Microbac•Remote, US,

8h•Hybrid

About The Position

The Senior Systems & Cloud Administrator is responsible for supporting, maintaining, and improving the organization’s cloud, server, identity, virtualization, endpoint management, storage, and backup environments. Reporting to the IT Manager, this role serves as a senior technical resource for complex infrastructure issues, projects, and system improvements across multiple locations. Microsoft Cloud and Identity Administer Microsoft 365 services, including Exchange Online, Teams, SharePoint Online, OneDrive, and licensing. Manage Microsoft Entra ID and Active Directory, including users, groups, administrative roles, enterprise applications, and identity synchronization. Configure and maintain Conditional Access, multifactor authentication, and identity security controls. Administer Microsoft Intune, including device enrollment, application deployment, configuration profiles, compliance policies, and endpoint security. Support Microsoft Azure resources and hybrid cloud integrations. Assist with cloud migrations and modernization initiatives. Server, Virtualization, and Storage Administer Windows Server, Group Policy, DNS, DHCP, file services, and related infrastructure. Manage VMware vSphere, ESXi, Hyper-V, and other virtualization platforms. Provision, monitor, patch, troubleshoot, upgrade, and migrate physical and virtual servers. Monitor system performance, availability, capacity, and lifecycle requirements. Support SAN, NAS, and cloud-based storage platforms. Administer backup and replication systems and participate in disaster recovery testing. Infrastructure Operations and Security Serve as a senior escalation point for cloud, server, identity, endpoint, and infrastructure issues. Support vulnerability remediation, system hardening, patch management, and security initiatives. Troubleshoot network-related issues involving VLANs, VPNs, firewalls, wireless, routing, switching, and WAN connectivity. Assist with site connectivity, network changes, infrastructure upgrades, and equipment deployments. Coordinate with vendors, consultants, managed service providers, and internet service providers. Support audits, compliance requirements, and incident response activities. Projects and Documentation Lead or participate in infrastructure projects from planning through implementation. Support acquisitions, new site deployments, system migrations, and technology standardization. Perform root-cause analysis and recommend long-term solutions for recurring issues. Maintain system documentation, diagrams, configuration standards, and support procedures. Provide technical guidance and knowledge-sharing to other IT team members. Evaluate technology solutions and make recommendations to the IT Manager.

Requirements

Bachelor’s degree in Information Technology, Computer Science, Engineering, or a related field, equivalent professional experience or certifications.
10+ years of experience in systems administration, cloud administration, or infrastructure support.
Strong experience with Microsoft 365, Microsoft Entra ID, Active Directory, Microsoft Intune, Conditional Access, and Windows Server.
Experience with Microsoft Azure, VMware, ESXi, Hyper-V, enterprise storage, backup, and disaster recovery technologies.
Working knowledge of enterprise networking, including VLANs, VPNs, firewalls, routing, switching, and wireless technologies.
Experience supporting distributed or multi-site environments.
Strong troubleshooting, documentation, communication, and project execution skills.

Nice To Haves

PowerShell or automation experience is preferred.

Responsibilities

Administer Microsoft 365 services, including Exchange Online, Teams, SharePoint Online, OneDrive, and licensing.
Manage Microsoft Entra ID and Active Directory, including users, groups, administrative roles, enterprise applications, and identity synchronization.
Configure and maintain Conditional Access, multifactor authentication, and identity security controls.
Administer Microsoft Intune, including device enrollment, application deployment, configuration profiles, compliance policies, and endpoint security.
Support Microsoft Azure resources and hybrid cloud integrations.
Assist with cloud migrations and modernization initiatives.
Administer Windows Server, Group Policy, DNS, DHCP, file services, and related infrastructure.
Manage VMware vSphere, ESXi, Hyper-V, and other virtualization platforms.
Provision, monitor, patch, troubleshoot, upgrade, and migrate physical and virtual servers.
Monitor system performance, availability, capacity, and lifecycle requirements.
Support SAN, NAS, and cloud-based storage platforms.
Administer backup and replication systems and participate in disaster recovery testing.
Serve as a senior escalation point for cloud, server, identity, endpoint, and infrastructure issues.
Support vulnerability remediation, system hardening, patch management, and security initiatives.
Troubleshoot network-related issues involving VLANs, VPNs, firewalls, wireless, routing, switching, and WAN connectivity.
Assist with site connectivity, network changes, infrastructure upgrades, and equipment deployments.
Coordinate with vendors, consultants, managed service providers, and internet service providers.
Support audits, compliance requirements, and incident response activities.
Lead or participate in infrastructure projects from planning through implementation.
Support acquisitions, new site deployments, system migrations, and technology standardization.
Perform root-cause analysis and recommend long-term solutions for recurring issues.
Maintain system documentation, diagrams, configuration standards, and support procedures.
Provide technical guidance and knowledge-sharing to other IT team members.
Evaluate technology solutions and make recommendations to the IT Manager.