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Senior Network Engineer - Global Data Center Infrastructure

Hack The Box • Germany
Relocation
This Job is No Longer Active This position is no longer accepting applications

Design and operate resilient, scalable multi-site data center networks for a leading cybersecurity platform. Lead architecture, automation, and observability initiatives across global regions. Ensure low-latency, high-availability networking for millions of users.

Key Highlights
Own design, deployment, and reliability of global data center network fabric
Lead multi-site BGP, EVPN-VXLAN, and JunOS architectures for low-latency, high-availability networking
Collaborate with infrastructure, security, and platform teams to support cybersecurity simulations and services
Key Responsibilities
Design and deploy production-grade, multi-site network architectures using BGP, EVPN-VXLAN, and JunOS
Ensure network resilience, observability, and scalability across US, EU, Singapore, and Australia data centers
Operate and troubleshoot BGP (eBGP/iBGP) peering, route policies, and prefix filtering in a multi-site environment
Build and maintain EVPN-VXLAN overlay fabrics for scalable Layer 2/Layer 3 connectivity across data centers
Configure, upgrade, and harden Juniper network equipment (QFX, MX series) running JunOS
Develop and maintain network automation using Ansible, Terraform, or similar infrastructure-as-code tooling
Establish and improve network monitoring, alerting, and observability (Prometheus, Grafana, SNMP, streaming telemetry)
Plan and execute network capacity upgrades, site bring-ups, and hardware refresh cycles
Collaborate with platform/systems engineering teams on network requirements for VMware, Kubernetes, and Ceph storage clusters
Document network designs, runbooks, and standard operating procedures for a globally distributed team
Participate in on-call rotation for network-related incidents across all regions
Technical Skills Required
BGP EVPN-VXLAN JunOS
Benefits & Perks
25 annual leave days
Home Office Allowance
Dedicated budget for training and professional development
Nice to Have
Experience with network operations in a multi-region, multi-continent data center environment
Familiarity with Ceph or other distributed storage systems from a network-performance perspective (NVMeoF, RDMA, high-throughput east-west traffic)
Exposure to Kubernetes networking (CNI plugins, service meshes, load balancers)
JNCIA/JNCIS/JNCIP or equivalent networking certifications
Understanding of Golang for building internal network tooling or automation
Experience in a cybersecurity-focused or platform-as-a-service company

Job Description

Welcome! Super excited you dropped by 🥳At the end of this journey, you'll become a proud member of Hack The Box, with the ultimate mission to raise cyber resilience, so that every organization can stay ahead of tomorrow's threats.🚀🔒💻As a Senior Network Engineer, you will own the design, deployment and day-to-day reliability of the network fabric that connects Hack The Box's data center footprint across the US, EU, Singapore and Australia. Your work directly underpins the platform experience for millions of users running live cyber simulations — low-latency, high-availability networking isn't a nice-to-have, it's the product.
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