Job Purpose

1. JOB PURPOSE We are seeking a skilled Network Security Manager (GB05) with solid 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:
oVCNs, Subnets, Route Tables
oNSGs (Network Security Groups), Security Lists
oInternet Gateway, NAT Gateway, Service Gateway
oDRG (Dynamic 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:
oSecurity policies and rule bases
oNAT (SNAT/DNAT)
oVPNs (IPSec/SSL)
oThreat 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:
oRule 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 flows.

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