Senior Network Security Engineer

Hybrid

Posted 5 days ago

Security

AI summary

The Senior Network Security Engineer will manage and troubleshoot production networks in on-premises data centers and AWS environments, with a focus on network security, firewall configuration, and incident response.

Eligible from: US only

Responsibilities

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

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.

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About the job

Posted on: Sep 30, 2026
Job type: Full-time
Location: San FranciscoHybrid

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Preferred qualifications:

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