Senior Network Engineer - Application Delivery & Security

Engineered to outperform, Teraswitch is on a mission to provide high-performance infrastructure services for critical workloads. With 25+ datacenter locations around the world interconnected by our low latency global backbone network, we are the class leader in performance bare metal hosting and rapidly expanding into additional infrastructure services. THE JOB The Network Engineering team at Teraswitch designs and operates our low-latency global backbone and the network services layered on top of it. This role leads the rollout and ongoing operation of our F5 application delivery and security platform across 25+ points of presence — global server load balancing, L4–L7 application delivery and SSL/TLS termination, WAF, and DDoS mitigation — for a multi-tenant, service-provider environment. You'll own the F5 fleet end to end: architecture and standardization, device onboarding and provisioning at scale, day-to-day operations, and automation. This role reports to the Principal Network Architect. Title and level will be calibrated to your experience, technical depth, and demonstrated scope of ownership. WHAT YOU'LL DO - Drive the global deployment of our F5 platform across 25+ points of presence, establishing standardized, repeatable designs for application delivery and security - Work with the broader Network and Software Engineering teams to build and improve customer self-service experiences for F5 delivered services - Architect and operate global server load balancing with BIG-IP DNS (GTM) — anycast, wide IPs, and topology / geolocation-based steering with health-driven failover across POPs - Design, deploy, and tune L4–L7 load balancing and SSL/TLS termination (LTM), including traffic profiles, certificate management, and iRules for advanced traffic handling - Build and operate WAF (F5 Advanced WAF / ASM) and DDoS mitigation (AFM and behavioral L3–L7 defenses) to protect multi-tenant customer workloads - Integrate F5 with the routing layer via BGP — route health i