Senior Network Security Engineer

<h3>Responsibilities:</h3><li>
<strong>Act as Escalation Point of Contact:</strong>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.</li><li>
<strong>Maintain Multi-Vendor Security &amp; Perimeter Solutions:</strong>Responsible for the configuration, maintenance, and optimization of FortiGate Firewalls (On-Prem &amp; AWS), Cisco ASA Firewalls, and Akamai WAF / Anti-DDoS solutions protecting core endpoints.</li><li>
<strong>Manage Core Network &amp; Infrastructure Services:</strong>Identify and resolve network issues, bottlenecks, and vulnerabilities across Arista core/access switches, Cisco routers, F5 Load Balancers (LTM/GTM), and Infoblox (DNS/DHCP).</li><li>
<strong>Develop &amp; Maintain Architecture Documentation:</strong>Develop and maintain comprehensive documentation on network topology, hybrid cloud designs, system security configurations, and operational SOPs.</li><li>
<strong>Bridge Infrastructure and DevOps (IaC):</strong>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.</li><li>
<strong>Integrate AI &amp; Network Task Automation:</strong>Research and leverage automation/AI tools (e.g., Tines, n8n, Dify) for Security Orchestration or network task automation to improve operational efficiency.</li><li>
<strong>Provide Support During Non-Office Hours:</strong>Provide non-office hour escalation support whenever needed during major live cutovers or critical network emergencies.</li><h3>Requirements:</h3><li>Relevant education in Computer Science, Information Systems, or a related technical discipline, or equivalent practical experience.</li><li>Hands-on experience operating and troubleshooting production networks across on-premises data centers and AWS environments.</li><li>Experience with firewall configuration, routing, switching, network security, and incident response.</li><li>Working knowledge of relevant networking protocols, including BGP, OSPF, IPsec, HSRP, and QoS.</li><li>Experience with hybrid-cloud networking, including AWS VPC networking and AWS Direct Connect.</li><li>Ability to work independently, prioritize incidents effectively, and communicate clearly during operational issues.</li><h3>Preferred qualifications:</h3><li>Experience with one or more of the following security and edge technologies: FortiGate, Cisco ASA, Akamai WAF, or anti-DDoS solutions.</li><li>Experience with one or more of the following infrastructure technologies: Arista switches, Cisco routers, F5 LTM/GTM, or Infoblox DNS/DHCP.</li><li>CCNP, CCIE, AWS Certified Advanced Networking, CISSP, or equivalent practical experience.</li><li>Experience with Infrastructure as Code and network automation.</li><li>Experience with security-orchestration or workflow-automation tools such as Tines, n8n, or Dify.</li><li>Experience executing or supporting live data-center-to-AWS migration cutovers.</li>