Expert-level knowledge (CCIE/JNCIE or equivalent) in MPLS, routing, and switching for service provider and data center networks
Strong experience with Ethernet switching, VXLAN, and modern cloud overlay networking technologies
Deep expertise in routing protocols including BGP and IS-IS
Hands-on experience with segment routing (SR-MPLS, SRv6), L3 MPLS VPNs, and ECMP-based traffic balancing
Proven experience designing and documenting large-scale network architectures
Experience developing and executing network testing strategies and validating vendor solutions
Strong troubleshooting skills across the TCP/IPv4/v6 stack in CLOS-based data center environments
Solid understanding of network hardware architecture, QoS mechanisms, and packet processing pipelines
Hands-on experience with network equipment from vendors such as Juniper, Arista, Huawei, and Mellanox
Working proficiency in English
Working proficiency in an additional European language
Experience with public cloud networking and GPU/InfiniBand environments
Knowledge of software-defined networking (SDN) overlays in cloud environments
Proficiency in Python, Go, or other programming languages in Linux environments
Experience using programming languages for network automation and tooling