OCI Network Security Consultant

We are seeking an experienced Oracle Cloud Infrastructure (OCI) Network & Security Administrator responsible for designing, implementing, securing, and managing cloud network architectures on OCI. The role focuses on VCN design, network segmentation, secure connectivity, firewall/WAF operations, monitoring, and incident response. You will work closely with platform, applications, and security teams to maintain a stable, secure, and high‑performing OCI environment.

OCI Networking Architecture & Operations:

• Design, deploy, and manage Virtual Cloud Networks (VCNs), subnets, DRGs, LPGs, and network gateways (IGW, NGW, SGW).
• Configure routing, security lists, network security groups (NSGs), and VCN peering (local & remote).
• Manage site to site VPN, Fast Connect, and hybrid network connectivity with on premises data centers.
• Implement load balancing (public, private) and troubleshooting L3/L4 traffic flows.
• Optimize network performance, resilience, and throughput across multi region architectures.
• 1. Cloud Security Architecture (Core Focus)
• Implement and manage OCI IAM, policies, dynamic groups, security zones, compartment strategies, and Zero Trust principles.
• Configure WAF, Cloud Guard, Vulnerability Scanning Service (VSS), Bastion, and KMS/Encryption for data protection.
• Enforce network segmentation, micro segmentation, and least privilege designs.
• Develop and maintain security baselines aligned with industry standards (NIST, CIS, ISO).
• Monitor security events, respond to incidents, and remediate vulnerabilities.
• 1. Firewall, Perimeter & VPN Security
• Configure and maintain next gen firewalls, IPS/IDS, and web security layers in OCI and hybrid environments.
• Manage IPSec VPN, SSL/TLS, certificate management, and encrypted tunnel performance.
• Create firewall rule sets, NAT policies, and security filters ensuring minimal attack surface.
• 1. Governance, Compliance & Audit Readiness
• Implement OCI native compliance tools and prepare environments for audits (SOX, HIPAA, PCI as applicable).
• Document network/security architectures, runbooks, and operational procedures.
• Perform regular risk assessments, security reviews, and threat modeling.

Automation & Dev Sec Ops:

• Automate infrastructure provisioning using Terraform, Resource Manager, or equivalent.
• Integrate security controls into CI/CD pipelines (policy checks, image scanning, configuration validation).
• Use scripting (Python/Shell) for network/security automation tasks.

Troubleshooting & Support:

• Provide L3 support for cloud network and security issues.

• Analyze packet flows, logs, and telemetry using OCI Logging, Flow Logs, OCI Monitoring, and SIEM tools.

• Incident response and RCA (root cause analysis).

• Experience in Network/Security engineering.

• Hands on experience with Oracle Cloud Infrastructure networking and security services.

• Strong understanding of TCP/IP, BGP, routing, NAT, VPN, TLS/SSL, DNS, Firewall policies.

• Experience with OCI Load Balancers, WAF, Network Firewall, NSGs, DRG, Connectivity.

• Hands on with Terraform, Git, automation tools.

• Ability to troubleshoot complex cloud network performance issues.

• Solid understanding of IAM (policies, dynamic groups) for secure access

• Preferred / Nice-to-Have

• Experience with Palo Alto / Fortinet / Check Point firewalls.

• Multi-cloud networking (AWS/Azure/GCP).

• Experience with SIEM, SOAR, packet captures, and threat analysis.

• Certifications:

• OCI Architect Associate/Professional

  • OCI Security Professional
  • CCNA/CCNP Security
  • Security+ / CySA+

Education: Master Of Engineering,MBA,MSc,MTech,MCOM,Bachelor of Engineering,BCom,BSc,BTech

Preferred skills: Technology->Oracle Cloud->OCI - Oracle Cloud Infrastructure