Network Security Lead – Data Center & Infrastructure

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

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 vendorsExcellent troubleshooting and analytical skills