Halys jobs and careers

About Halys

Halys designs and deploys telecom platforms for inter-operator roaming, SMS/MMS messaging, and 4G/5G mobile core networks, supporting public, private, and hybrid environments. We support operators, MVNOs, integrators, and private mobile network projects in delivering robust, secure, and interoperable telecom connectivity solutions. ▪️ Roaming & interconnection: SS7, GTP, and Diameter hubs for 2G/3G, 4G/LTE, and 5G (NSA/SA) network environments. ▪️ Messaging (SMS/MMS): SMSC/MMSC platforms for A2P/P2A traffic, international interconnection, and traffic security. ▪️ 4G/5G mobile core networks: EPC/5GC platforms for private or hybrid mobile networks, with observability and supervision. ▪️ Private & hybrid mobile networks: 4G/5G solutions for industrial environments, critical infrastructures, or temporary deployments, with interconnection to public networks when required. ▪️ Go-live & 24/7 support: platform commissioning, configuration assistance, use-case validation, and 24/7 technical support delivered by engineering teams. 💬 Let’s talk about your connectivity projects — our experts are happy to discuss.