Cellusys careers

Cellusys solutions serve more than 880 million mobile network subscribers globally and are consistently rated Tier 1 in independent research. We revolutionised mobile network security in 2015 with the introduction of the first SS7 signalling firewall to defend against attacks such as denial of service, location tracking, and SMS interception attacks. We continue to lead the market in signalling security solutions as well as combatting fraud such as SMS “smishing”, spam, voice fraud and more, and design solutions to help operators offer their customers the highest quality roaming experience, and much more.