Senior Network Security Engineer

Erbis is a software development company with offices in the US, UK, Poland, and Ukraine. The majority of our customers come from the EU and the US. We undertake project implementation on our side or augment the clients' in-house teams. Now, our team consists of 100+ IT professionals with expertise across domains. We help enterprises and SMBs create software solutions that make the world a better place :)About the Client: Our client operates one of the top 10 largest globally peered IPv4 and IPv6 networks, enabling providers to connect more efficiently with their end users, regardless of location.
Requirements:
8+ years of commercial experience Expertise in Linux and network engineering with a focus on security and DDoS mitigationStrong knowledge of packet filtering using iptables, nftables, or pf, including hardware offloading for rule management (e.g., utilizing Intel DPDK)Proven experience in building DDoS mitigation solutions, specifically at L3/L4, with the potential L7Hands-on experience with leveraging x86 hardware for implementing firewall and filtering rulesFluent in written and spoken English
Responsibilities:
Design and develop a DDoS mitigation solution, focusing on packet filtering and scrubbing architectureUtilize iptables/nftables/pf to manage and offload rules to hardware effectivelyFocus on implementing L3/L4 packet filtering, with future opportunities to work on L7Apply deep knowledge of x86 hardware to optimize firewall and filtering capabilities within the network infrastructure
Our perks and benefits:
Choose your working mode and working hours with 100% remote modePaid Vacation days: 24 working daysPaid Sick days: 15 working daysThe opportunity to dedicate up to 10% of working hours for self-education and personal development
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