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Delivery Manager Enterprise Network
Job Location:
Monthly Salary:
Posted:
17 July 2026 (30+ days ago)
Posted:
Application Deadline:
14 October 2026
Application Deadline:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
| 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: 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. Ensure secure exposure of applications via load balancers gateways and SASE. Monitoring & Incident Management Monitor firewall logs OCI flow logs and threat alerts. Handle 247 incident response troubleshooting and escalation. Perform root cause analysis (RCA) and implement proactive security improvements. Audit & Compliance Management Manage network security audits (internal/external/regulatory) specific to OCI environments. Ensure compliance with organization policies and regulatory frameworks. Conduct: oFirewall rule reviews and recertification oNSG/security configuration audits oAccess and segmentation validation Track and close audit observations with proper documentation. Documentation & Collaboration Maintain updated HLD LLD SOPs runbooks and security policies. Collaborate with cloud DevOps security and application teams. B. Additional Accountabilities (Advanced / Growth-Oriented) Security Architecture & Optimization Design and optimize secure OCI network architectures with segmentation and zero-trust principles. Define best practices for VCN design peering DRG-based architectures and load balancing. Automation & DevSecOps Implement Infrastructure as Code (IaC) using Terraform/OCI Resource Manager. Automate firewall rules NSG updates compliance checks and configuration drift detection. Integrate network security into CI/CD pipelines. Security Posture Enhancement Strengthen environment security using: oThreat intelligence oDDoS protection strategiesoContinuous monitoring and anomaly detection Integrate with SIEM/SOC tools for centralized visibility. Leadership & Governance Act as technical escalation point for OCI security issues. Guide team members and vendors on best practices. Define governance models for OCI network security operations. |
| Key Decisions / Dimensions | 5. DECISIONS Approve firewall rule changes NSG policies and security configurations. Decide segmentation strategies and ingress/egress controls. Lead decisions during security incidents and audit escalations. Recommend improvements in security architecture and Financial Dimensions Management of OCI networking/security costs and Palo Alto licensing Other Dimensions Total Team Size: Direct Reports: Indirect Reports: OCI Environments/VCNs Managed: Applications Hosted on OCI: |
| Major Challenges | 4. MAJOR CHALLENGES Maintaining consistent security posture across dynamic OCI environments. Managing complex firewall and NSG rule sets without over-permissive access. Ensuring continuous compliance with audit and regulatory expectations. Handling high-volume security alerts and incident response. Balancing agility and speed of deployment with strict security controls. |
| Required Qualifications and Experience | 8. SKILLS AND KNOWLEDGE a) Educational Qualifications Bachelors / Masters in Computer Science IT or related field. b) Work Experience & Certifications Must Have 58 years in network security with cloud exposure particularly OCI. Hands-on experience with: oOCI Networking (VCN DRG NSG Peering) oPalo Alto Firewalls / SASE Strong knowledge of firewall policy management NAT VPNs and segmentation. Experience in automating firewall rule review and compliance processes. Proven experience in handling security audits and compliance requirements. Good to Have Certifications: OCI Architect/Professional PCNSE CCNP Security. Experience with Terraform Python Ansible for automation. Exposure to SIEM/SOC integrations and cloud security monitoring. Soft Skills Strong ownership audit handling capability and stakeholder management. Excellent troubleshooting and analytical skills. Ability to work in a 247 operational environment. |
Required Experience:
Manager
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