Broad networking experience including BGP, SD-WAN and VPN. Linux (inc. OpenWRT) and Mikrotik preferred.
GSM, IMS and SIP experience with Asterisk, FreeSWITCH, Kamailio and OpenSIPS. GSM, 4G and 5G with Software Defined Radio also.
Utilising ARM architecture, porting support for OpenWRT and other embedded OS. Docker, Podman and Kubernetes DevOps experience.