Senior Network Security Engineer

As a Senior Network Security Engineer at Crypto.com, you serve as the primary Level 3 escalation point for resolving complex network infrastructure, routing, and security configuration issues across on-premise data centers and AWS environments. You maintain multi-vendor security solutions, manage core network services, and bridge infrastructure and DevOps practices to protect Crypto.com's infrastructure as it serves more than 150 million customers globally.

What you'll do

• Act 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
• Configure, maintain, and optimize FortiGate Firewalls (on-premise and AWS), Cisco ASA Firewalls, and Akamai WAF and anti-DDoS solutions protecting core endpoints
• Identify and resolve network issues, bottlenecks, and vulnerabilities across Arista core and access switches, Cisco routers, F5 Load Balancers (LTM/GTM), and Infoblox (DNS/DHCP)
• Develop and maintain comprehensive documentation on network topology, hybrid cloud designs, system security configurations, and operational SOPs
• Bridge infrastructure and operations by implementing Infrastructure as Code (IaC) in collaboration with DevOps teams to automate network deployments and security workflows
• Research and leverage automation and AI tools such as Tines, n8n, and Dify for security orchestration and network task automation to improve operational efficiency
• Provide non-office hour escalation support during major live cutovers or critical network emergencies

What you bring

• A degree 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 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

Nice to have

• Experience with one or more security and edge technologies: FortiGate, Cisco ASA, Akamai WAF, or anti-DDoS solutions
• Experience with one or more infrastructure technologies: Arista switches, Cisco routers, F5 LTM/GTM, or Infoblox DNS/DHCP
• CCNP, CCIE, AWS Certified Advanced Networking, CISCP, 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

What we offer

• Competitive salary
• Attractive annual leave entitlement including birthday and work anniversary
• 401(k) plan with employer match
• Company-sponsored group health, dental, vision, and life/disability insurance
• Flexible work hours and hybrid setup
• Internal mobility program offering career development opportunities

About Crypto.com

Founded in 2016, Crypto.com serves more than 150 million customers and is the world's fastest growing global cryptocurrency platform. The company is committed to accelerating cryptocurrency adoption through innovation and empowering the next generation of builders, creators, and entrepreneurs to develop a fairer and more equitable digital ecosystem.