System Administrator Manage VMware infrastructure: v Sphere clusters, ESXi hosts, v Center Server, resource pools, DRS/HA, v Motion/Storage v Motion, templates, and snapshots. Install, configure, and maintain Windows Server and Linux (RHEL/Ubuntu) systems, VMs, and templates on VMware v Sphere/ESXi. Administer identity and directory services: Active Directory, Group Policies (GPO), Azure Active Directory/Entra ID, SSO/MFA. Manage core infrastructure services: DNS, DHCP, certificate services, file/print, and Windows Server roles/features. Manage endpoints with Microsoft Intune and SCCM/Microsoft Configuration Manager: device provisioning (Autopilot/Task Sequences), app deployment, compliance, update rings, co-management. Implement patching and vulnerability remediation across Windows Server, Linux, endpoints, and Azure resources. Automate administration with Power Shell, Bash, and, where applicable, Terraform/Ansible.
Cloud Administrator OCI: Design and maintain tenancies, compartments, VCNs, subnets, DRGs, gateways, NSGs/security lists; manage Compute, Block/File/Object Storage, Load Balancers, DNS, WAF, Autonomous DB/DB Systems. Azure: Design and maintain subscriptions, management groups, resource groups, VNets/subnets, NSGs/ASGs, route tables, Express Route/VPN, Azure Firewall; manage Azure VMs/VMSS, Azure Storage (Blob/File/Disks), Azure Load Balancer/Application Gateway/Front Door, Azure DNS, Azure SQL/managed services as applicable. Implement tagging/governance (OCI policies/quotas; Azure Policy/Blueprints) and landing zone standards. Entra ID (Azure AD): Administer tenants, users, groups, roles, conditional access, PIM, enterprise apps, app registrations, SCIM provisioning; configure SAML/OIDC for SSO to Saa S and custom apps. Integrations: Set up SSO/federation between Entra ID and OCI (SAML/OIDC), enable SCIM or Just‑In‑Time provisioning, manage MDM/MAM conditional access with Intune device compliance. Secrets and keys: Manage OCI KMS vaults/keys and Azure Key Vault; rotate secrets/certificates. Security posture: Configure OCI Cloud Guard, Security Zones, Vulnerability Scanning; Azure Defender/Microsoft Defender for Cloud, Azure Security Center, Microsoft Sentinel or SIEM integrations; enforce least privilege and segmentation. Logging/auditing: Enable and monitor OCI Audit/Logging/Logging Analytics; Azure Monitor, Activity Logs, Log Analytics, Diagnostic Settings. Manage Windows/mac OS/i OS/Android device enrollment, compliance, and configuration profiles via Intune. Deploy and manage applications, updates, Windows Autopilot, Bit Locker, and remediation scripts. Integrate device compliance with Entra ID Conditional Access and SSO policies. OCI: Hybrid connectivity via DRG, IPsec, Fast Connect; routing/BGP and HA design. Azure: Site‑to‑Site VPN/Express Route, Virtual WAN; private endpoints, service endpoints. Cross‑cloud: Design secure interconnect patterns (e.g., on‑prem ↔ OCI/Azure, or OCI ↔ Azure) and DNS resolution strategies; configure load balancing (L4/L7) and WAF. Configure Monitoring/Alerts in OCI (Monitoring, Alarms, Events) and Azure (Monitor, Alerts, Action Groups). Execute backups, snapshots, replication, and DR across regions/clouds; test failover/failback.
Database Administrator Install, configure, and maintain database management systems (DBMS) including Microsoft SQL Server, Postgre SQL, and Maria DB. Monitor and optimize database performance, troubleshoot issues, and implement solutions to enhance efficiency. Develop and implement backup and recovery strategies to ensure data integrity and availability. Implement and manage database security measures to protect sensitive information and comply with regulatory requirements. Assist in data migration projects and ensure seamless transitions between different database systems. Write and optimize SQL queries to improve application performance and data retrieval.