Clear writing and documentation Ability to mentor and set engineering standards Willingness to support field work Solid Linux networking experience at L3/L4 with iproute2 / netlink / tc A track record of improving latency, reliability, or throughput Comfort with transports and routing (TCP, QUIC, MPTCP, MPLS, routing daemons) Experience building network telemetry with stable data models Ability to design experiments, simulate real conditions, and measure results