Job Purpose
1. JOB PURPOSE
We are seeking a skilled Network Security Manager (GB05) with strong hands-on expertise in Oracle Cloud Infrastructure (OCI) networking and security, including Palo Alto SASE, OCI-native security controls (NSGs, Security Lists), and automation-driven rule governance.
The role is responsible for end-to-end network security operations, policy automation, and compliance within OCI environments, ensuring secure, scalable, and audit-ready cloud infrastructure. The candidate will also play a key role in managing security audits, compliance requirements, and ongoing security posture enhancements.Duties and Responsibilities
PRINCIPAL ACCOUNTABILITIES
A. Minimum Required Accountabilities for this Role (Mandatory)
OCI Network & Security Operations
• Manage and operate OCI networking components:
o VCNs, Subnets, Route Tables
o NSGs (Network Security Groups), Security Lists
o Internet Gateway, NAT Gateway, Service Gateway
o DRG (Energetic Routing Gateway), Local & Remote Peering
• Ensure secure and optimized traffic flow between OCI workloads, on prem systems,



and external networks.
Firewall & SASE Security Management
• Manage and operate Palo Alto (VM-Series / SASE) within OCI and hybrid environments.
• Configure and maintain:
o Security policies and rule bases
o NAT (SNAT/DNAT)
o VPNs (IPSec/SSL)
o Threat prevention profiles (IPS, Anti-malware, URL filtering)
• Ensure consistent enforcement of security policies across OCI workloads.
Security Policy Governance & Automation
• Implement and manage firewall rule lifecycle processes:
o Rule creation, review, optimization, and decommissioning
• Drive automation of rule reviews, recertification, and policy validation using scripts/API-based solutions.
• Maintain standardization across NSGs, Security Lists, and firewall rules.
Ingress/Egress Traffic Security
• Define and enforce secure ingress and egress controls for OCI applications.
• Implement segmentation strategies for east-west and north-south traffic f

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