Senior Network Security Engineer

Responsibilities:

• **Act as Escalation Point of Contact:** Serve as the primary Level 3 escalation point for resolving complex network infrastructure, routing, and security configuration issues across both on-premise Data Centers and AWS environments.
• **Maintain Multi-Vendor Security & Perimeter Solutions:** Responsible for the configuration, maintenance, and optimization of FortiGate Firewalls (On-Prem & AWS), Cisco ASA Firewalls, and Akamai WAF / Anti-DDoS solutions protecting core endpoints.
• **Manage Core Network & Infrastructure Services:** Identify and resolve network issues, bottlenecks, and vulnerabilities across Arista core/access switches, Cisco routers, F5 Load Balancers (LTM/GTM), and Infoblox (DNS/DHCP).
• **Develop & Maintain Architecture Documentation:** Develop and maintain comprehensive documentation on network topology, hybrid cloud designs, system security configurations, and operational SOPs.
• **Bridge Infrastructure and DevOps (IaC):** Bridge the gap between development and operations by embracing "Infrastructure as Code" (IaC) in close collaboration with DevOps teams to automate network deployments and security workflows.
• **Integrate AI & Network Task Automation:** Research and leverage automation/AI tools (e.g., Tines, n8n, Dify) for Security Orchestration or network task automation to improve operational efficiency.
• **Provide Support During Non-Office Hours:** Provide non-office hour escalation support whenever needed during major live cutovers or critical network emergencies.

Requirements:

• Relevant education in Computer Science, Information Systems, or a related technical discipline, or equivalent practical experience.
• Hands-on experience operating and troubleshooting production networks across on-premises data centers and AWS environments.
• Experience with firewall configuration, routing, switching, network security, and incident response.
• Working knowledge of relevant networking protocols, including BGP, OSPF, IPsec, HSRP, and QoS.
• Experience with hybrid-cloud networking, including AWS VPC networking and AWS Direct Connect.
• Ability to work independently, prioritize incidents effectively, and communicate clearly during operational issues.

Preferred qualifications:

• Experience with one or more of the following security and edge technologies: FortiGate, Cisco ASA, Akamai WAF, or anti-DDoS solutions.
• Experience with one or more of the following infrastructure technologies: Arista switches, Cisco routers, F5 LTM/GTM, or Infoblox DNS/DHCP.
• CCNP, CCIE, AWS Certified Advanced Networking, CISSP, or equivalent practical experience.
• Experience with Infrastructure as Code and network automation.
• Experience with security-orchestration or workflow-automation tools such as Tines, n8n, or Dify.
• Experience executing or supporting live data-center-to-AWS migration cutovers.