Job
Summary
The
Oracle Cloud Infrastructure (OCI) Network Administrator designs, implements,
and manages secure, high -performance OCI environments with a focus on tenancy
architecture, network layers, identity governance, and high -availability infrastructure.
This role combines hands -on OCI administration with security hardening, hybrid
cloud integration, and disaster recovery planning.
Key
Responsibilities
· Tenancy & Network Configuration: Provision and manage OCI tenancy resources,
including Virtual Cloud Networks (VCNs), compartments, subnets, route tables,
and security lists. Configure storage solutions (Block Volume, Object Storage,
File Storage Service) and optimize network traffic flow.
· Identity & Access Management: Set up IAM identity domains, groups, users, and
policies. Enforce multi -factor authentication (MFA) and integrate with
on -premises Active Directory for hybrid identity management.
· Security Hardening: Implement risk assessment outcomes by configuring OS hardening, Cloud
Guard for threat detection, and Vulnerability Scanning Service (VSS). Resolve
critical/high -severity security issues and manage certificate renewals.
· Infrastructure Administration: Perform server maintenance, performance tuning,
patching, and monitoring. Allocate CPU/memory resources, configure disk
partitions, and ensure infrastructure high availability.
· Disaster Recovery & HA: Design and deploy HA architectures using fault domains, availability
domains, and load balancers. Implement DR strategies for cross -region replication
and failover.
· Hybrid Cloud & DevOps: Integrate OCI with on -premises environments via FastConnect or VPN.
Develop tagging strategies for resource governance and collaborate with DevOps
teams using CI/CD tools (e.g., Jenkins, Terraform).
Key
Knowledge Areas
· OCI Core Services: Tenancy structure, VCN components, storage options (FSS, Block
Volume), and network security (firewalls, security lists).
· Security Frameworks: Cloud Guard configurations, VSS
workflows, certificate management, and NIST/ISO compliance standards.
· OS Administration: Linux/Windows system management, AD integration, SMB/shared
filesystem setup, and vulnerability remediation.
· High Availability: OCI fault/availability domains, load balancer configurations,
and DR architectures (active -passive/active -active).
· Hybrid Cloud: Networking models (VPN, FastConnect), resource synchronization,
and monitoring/logging services (OCI Metrics, Logging Analytics).
Required
Technical Skills
· Proficiency in OCI Console, CLI, and Terraform for infrastructure
provisioning.
· Hands -on experience with:
o OCI IAM domain configuration and policy design.
o OS hardening for Linux/Windows and security vulnerability remediation.
o Cloud Guard, Tenable, VSS, and certificate lifecycle management.
o HA/DR implementations using load balancers and multi -region deployments.
o Hybrid cloud integration (VPN, FastConnect) and monitoring tools (OCI
Monitoring, Prometheus).
· Familiarity with DevOps pipelines and CI/CD tools (Jenkins, GitLab CI).
· Scripting skills for automation (Python, Bash).
Qualifications
· Certifications: OCI Architect Associate/Professional, Oracle Cloud Infrastructure
Certified Network Professional, or equivalent (e.g., AWS/Azure networking
certs).
· Education: Bachelor's degree in Computer Science, Information Systems, or related
field.
· Experience: 3 -5 years in cloud administration, including 2+ years focused on OCI.
· Preferred: Experience with security frameworks (NIST, CIS Benchmarks) and hybrid
cloud governance models.