Linux Systems Administration: Install, configure, patch, and maintain RHEL/Fedora servers and related infrastructure.
Performance & Low-Latency Tuning: Perform network/system/kernel tuning for ultra-low-latency workloads; develop benchmarks and monitoring/observability dashboards.
Scripting & Automation: Develop reliable Bash, Python, and Perl scripts for routine operations, troubleshooting/diagnostics, and internal tooling.
Configuration Management: Build and maintain Ansible playbooks or Salt states (Salt preferred); ensure idempotent configuration across large node fleets (hundreds of nodes).
Virtualization & Cloud: Deploy and manage Proxmox clusters; create and maintain VMs and containers; integrate with AWS services when relevant.
Network Engineering: Implement and troubleshoot advanced networking, including VLANs, bonding/NIC teaming, SR-IOV, TCP/UDP tuning, and QoS. Cisco and Fortinet experience is a...