Network Fabric & Security Infrastructure Engineer

About this role

Responsibilities: Implement and maintain three-tier VLAN isolation architecture like VLAN 100 (tenant compute), VLAN 200 (management), and VLAN 300 (sovereign data vault — air-gapped) Operate the private Certificate Authority (CA) infrastructure Generating, signing, and distributing X.509 client certificates per tenant Configure and maintain mTLS validation on all inbound xterm.js SSH terminal connections Write and maintain iptables/nftables packet filtering rules blocking cross-slot scanning and lateral movement Maintain staff access revocation infrastructure — propagating session invalidatio

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