Systems Administrator

## OCI Administrator - OnsiteApplylocations: San Jose, CAtime type: Full timeposted on: Posted 2 Days Agotime left to apply: End Date: September 10, 2026 (28 days left to apply)job requisition id: R-105861OCI Administrator - Onsite1**Focus:** OCI & AWS Multi-Cloud Architecture**Role Overview*** Manage, configure, and troubleshoot Oracle Cloud Infrastructure (OCI) with a heavy focus on OCI-to-AWS multi-cloud architecture.* Architect and maintain high-performance multi-cloud network connectivity leveraging OCI Virtual Cloud Networks (VCNs) and Dynamic Routing Gateways (DRGs).* Ensure high availability, security, performance, and cost optimization across OCI and AWS environments.**Core Multi-Cloud Networking & Administration*** Administer OCI core infrastructure (Compute, Storage, Autonomous/Exadata DBs) alongside interconnected AWS resources (VPCs, EC2, S3).* Design and manage OCI Virtual Cloud Networks (VCNs), subnets, route tables, Security Lists, and Network Security Groups (NSGs).* Configure and maintain OCI Dynamic Routing Gateways (DRGs) to manage all multi-cloud traffic routing between OCI VCNs and AWS VPCs.* Establish and maintain low-latency, cross-cloud connectivity between OCI and AWS using OCI FastConnect and AWS Direct Connect (or IPsec VPN tunnels) via DRGs for split-stack applications (e.g., AWS App Tier connected to OCI Database Tier).* Implement DRG Transit Routing strategies, acting as a central routing hub for multi-VCN OCI setups connected to AWS environments.* Manage VCN peering (Local/Remote) and DRG attachments across multiple OCI tenancies and AWS regions.* Optimize multi-cloud network routing using BGP, custom DRG route tables, route distributions, and Equal-Cost Multi-Path (ECMP) routing for active-active redundancy.**Technical Support & Troubleshooting*** Provide tier-2/3 technical support, diagnosing and resolving complex issues across OCI and AWS multi-cloud setups.* Troubleshoot DRG routing anomalies, BGP session drops, FastConnect/Direct Connect performance degradation, and cross-cloud latency issues.* Lead technical root-cause analysis (RCA) and coordinate directly with Oracle and AWS vendor support teams for critical outages.* Monitor multi-cloud system metrics, bandwidth utilization, and log traces to maintain maximum uptime and performance.**Security, Automation, & Modern Tooling*** Provision and manage multi-cloud infrastructure (OCI VCNs, DRGs, AWS VPCs) using HashiCorp (HCP) Terraform Cloud and Ansible.* Monitor, detect, and automatically remediate cloud security risks using Oracle Cloud Guard in OCI.* Implement Zero-Trust Network Access (ZTNA) and secure privileged access management across OCI and AWS using Teleport.* Enforce secure network perimeters, egress filtering, and web security using Zscaler.* Manage identity, access controls, IAM policies, and cross-cloud trust mechanisms across OCI PaaS/SaaS and AWS IAM.**Operational Excellence & Collaboration*** Work alongside Cloud Engineers, DevOps, and business teams to align OCI-AWS multi-cloud architecture with operational goals.* Recommend and implement continuous cost-optimization strategies (e.g., managing OCI-to-AWS egress traffic fees, right-sizing compute/storage).* Maintain complete operational documentation, including OCI-AWS network topology diagrams, DRG routing tables, runbooks, and disaster recovery procedures. #J-18808-Ljbffr