Infra & Virtualization Architect
About Infinite:Infinite is a global leader in digital engineering and IT services, with over 20 years of experience driving digital transformation. We partner with leading Fortune 1000 companies to deliver innovative, scalable technology solutions that accelerate business outcomes.With deep expertise in telecommunications, healthcare, banking, and finance, Infinite helps organizations optimize and modernize their technology landscapes to achieve long-term growth and efficiency.Infra & Virtualization Architect - 46818BR Los Angeles, CA 90059 (Onsite 4- 5 days of the week)We are seeking a highly skilled Infrastructure Architect with deep expertise in Cisco HyperFlex HCI hardware, Nutanix platforms, and enterprise Microsoft services. The successful candidate will lead the design, deployment, and ongoing optimisation of converged and hyper-converged infrastructure across multi-site environments, while also owning the Active Directory and Microsoft 365 / Office 365 ecosystem. This is a senior technical leadership role requiring both architectural vision and hands-on delivery capability.KEY RESPONSIBILITIES🖥 Cisco HCI & Hardware ArchitectureDesign, size, and deploy Cisco HyperFlex (HX) clusters — standard, stretched, and edge configurations — aligned with performance and availability SLAs.Architect Cisco UCS B-Series, C-Series, and X-Series environments with UCSM and Intersight-driven policy-based management and lifecycle automation.Lead integration of Cisco HyperFlex with Cisco ACI / Nexus switching fabric and Cisco MDS SAN for unified workload environments.Own capacity planning, hardware refresh cycles, and firmware/software lifecycle management across all HCI and UCS estates.Develop and maintain HLD/LLD design documentation, cable plans, and rack elevation drawings for all HCI deployments.☁️ Nutanix Platform ArchitectureArchitect and administer Nutanix AOS / AHV environments managed via Prism Central, including cluster expansion, upgrades, and performance tuning.Design and implement Nutanix software-defined storage services: Nutanix Files, Objects, and Volumes for unified workload requirements.Lead Nutanix Calm-based infrastructure automation, blueprint development, and self-service provisioning workflows.Implement Nutanix Flow (micro-segmentation) and Nutanix Security Central for network policy and security posture management.Drive Nutanix Cloud Clusters (NC2) strategy for hybrid cloud extension to AWS and Azure environments.🔐 Active Directory & Identity ServicesArchitect and administer multi-domain Active Directory forests including DNS, DHCP, FSMO roles, Sites & Services, and AD replication topology.Design and manage Group Policy Objects (GPOs) for security baselines, software deployment, and user environment management.Implement and maintain hybrid identity using Microsoft Entra ID (Azure AD) Connect with Password Hash Sync, Pass-Through Auth, or ADFS.Own Public Key Infrastructure (PKI / CA) services, certificate lifecycle management, and LDAPS integration across platforms.Lead AD security hardening initiatives including tiered administration model, Protected Users, PAW workstations, and credential guard.📧 Microsoft 365 / Office 365 AdministrationAdminister and optimise Microsoft 365 tenant (E3/E5), covering Exchange Online, Teams, SharePoint Online, and OneDrive for Business.Lead M365 migrations including hybrid Exchange co-existence, IMAP cutover, and cross-tenant mailbox migrations.Manage Microsoft Intune / Endpoint Manager for device compliance, MDM/MAM policies, and Autopilot provisioning.Implement Microsoft Defender for Endpoint, Microsoft Purview (compliance / DLP), and Conditional Access policies.Monitor and optimise M365 service health, licensing allocation, and usage analytics via Microsoft 365 Admin Center and Viva Insights.🛡️ Virtualisation, DR & OperationsDesign and manage VMware vSphere (ESXi / vCenter) or Hyper-V clusters running on HCI platforms, including HA, DRS, and vSAN policies.Architect and maintain Veeam Backup & Replication infrastructure for VM-level and application-consistent backup with off-site replication.Own DR strategy including RTO/RPO definition, runbook development, and quarterly failover test execution.Implement monitoring and alerting using tools such as Nutanix Prism Pro, Cisco Intersight, SCOM, or third-party platforms (Zabbix, Datadog).📋 Governance, Leadership & CollaborationProvide technical leadership and mentorship to infrastructure engineers and administrators across HCI, identity, and cloud domains.Collaborate with network, security, and application teams to deliver integrated solutions aligned with enterprise architecture standards.Participate in change advisory board (CAB) processes, presenting RFCs for major infrastructure changes.Produce and maintain architecture decision records (ADRs), design documentation (HLD/LLD), SOPs, and runbooks.REQUIRED QUALIFICATIONSEducation & ExperienceBachelor's degree in Computer Science, Information Technology, or a related engineering discipline (Master's preferred).10+ years of progressive enterprise infrastructure experience with at least 4 years in an architect-level capacity.Demonstrable hands-on experience across Cisco HyperFlex, Cisco UCS, Nutanix, Active Directory, and Microsoft 365 in production environments.CertificationsCertificationIssuing BodyStatusCisco Certified Specialist – HyperFlex ImplementationCisco SystemsMandatoryNutanix Certified Professional – MCI (NCP-MCI 6.5)NutanixMandatoryNutanix Certified Master – MCI (NCM-MCI)NutanixPreferredVMware VCP-DCV (vSphere 7 / 8)VMware / BroadcomMandatoryMicrosoft Certified: Azure Administrator (AZ-104)MicrosoftMandatoryMicrosoft 365 Certified: Enterprise Admin Expert (MS-102)MicrosoftPreferred