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Network Security Lead – Data Center & Infrastructure

Muscat, Oman

Full-Time

Position Overview

We are seeking an experienced Network Security Lead to design, implement, and secure large-scale multi-region data center networks. This role focuses on modern leaf-spine architecture, dynamic routing, Zero-Trust segmentation, firewall micro-segmentation, and high-availability networking to support latency-sensitive engineering and compute workloads. The ideal candidate will have strong expertise in enterprise and data center networking, network security architecture, traffic visibility, and infrastructure resilience.

Key Responsibilities

Data Center Network Architecture

  • Design and maintain leaf-spine and core-distribution network architectures

  • Architect multi-region data center connectivity

  • Optimize network infrastructure for low-latency compute and engineering workloads

  • Plan and manage MPLS and data center interconnects


Routing & Traffic Engineering

  • Implement and manage BGP and OSPF routing architectures

  • Design and enforce route policies and path optimization

  • Conduct routing failover testing and path validation

  • Implement QoS policies for engineering workload prioritization


Network Security Architecture

  • Implement Zero-Trust network segmentation strategies

  • Design firewall policies and micro-segmentation

  • Deploy IDS/IPS systems and anomaly detection mechanisms

  • Implement DDoS protection and mitigation strategies


Secure Connectivity

  • Manage IPSec and SSL VPN infrastructure

  • Implement secure remote access with MFA integration

  • Design resilient site-to-site connectivity and redundancy


Network Visibility & Monitoring

  • Implement network telemetry and traffic visibility tools (NetFlow, sFlow)

  • Improve East-West traffic visibility and containment

  • Support monitoring and incident response activities


Automation & Infrastructure Management

  • Develop basic network automation using APIs and scripted configurations

  • Support configuration management and infrastructure consistency

  • Collaborate with infrastructure and security teams for integrated operations


Compliance & Governance

  • Support ISO 27001 compliance, audits, and evidence preparation

  • Maintain detailed network documentation and architecture diagrams

  • Follow enterprise change management and governance processes


Operations & Vendor Coordination

  • Execute network change windows and rollback planning

  • Coordinate with network vendors and ISPs

  • Troubleshoot connectivity and performance issues across regions

Qualifications

Required Qualifications

  • 7+ years of experience in enterprise or data center networking

  • Strong experience designing leaf-spine data center networks

  • Expertise in BGP, OSPF, and advanced routing architectures

  • Experience implementing Zero-Trust and micro-segmentation strategies

  • Hands-on experience with enterprise firewalls and VPN technologies

  • Knowledge of traffic telemetry, monitoring, and performance optimization

  • Experience supporting high-availability infrastructure environments


Required Certifications

  • CCNP Security

  • CCNP Enterprise

  • Cisco DCCOR (Data Center Core)

  • Cisco ACI Certification

  • Fortinet NSE 4 / 5 / 6 / 7


Preferred Skills

  • Experience with SD-WAN deployment and traffic steering

  • Knowledge of network automation frameworks

  • Experience supporting high-performance compute environments

  • Familiarity with Zero-Trust architecture frameworks

  • Experience supporting large-scale enterprise or engineering environments


Soft Skills

  • Strong leadership and technical decision-making ability

  • Excellent troubleshooting and analytical skills

  • Strong documentation and communication skills

  • Ability to coordinate cross-functional teams and vendors

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