Configuration of STPs, DRAs, HLR/HSS, SMSC, SGSN, GGSN/PGW, SBC, etc.
Along with the team, you will be responsible for being able to manage all equipment on our network.
Using dashboards (and building new ones) to clearly and quickly discover issues and patterns
Accountable and responsible to follow the communications procedures in place when handling an incident.
Communication is both internal within our company and external to our third-party providers.
Drive the implementation of telecom interconnection in relationship with our providers
Maintenance, troubleshooting, security audits, and emergency response
Wireshark tracing of critical infrastructure to debug issues
Occasional on-call requirements

At least 10 years’ experience in the core network domain with a mobile networks
Holding a BSc degree in Telecommunication or Computer Science (post-graduate studies are a bonus)
10+ years core telecommunications network experience
10+ years of experience with SS7, Sigtran, Diameter, Packet Switched (GGSN/PGw, GTP, GRX, IPX, etc.)
Circuit switched communications protocols such as SS7 (including SCCP, TCAP, MAP and CAMEL phases 1 to 4), SCTP (SIGTRAN), Diameter, including ability to design and configure voice and messaging flows
Voice SIP / RTP, ISUP and voice convergence technologies, including IMS (including VoLTE and VoWiFi)Knowledge (general) in Voice Mail, IVR and PBX systems / softphones (secondary)
Hands on with sniffers, Wireshark and testing tools in advanced mode
Hands on with Linux/Unix based systems (you can find your way around a linux shell)
Understanding of 3GPP, ITU-T and ANSI standards
Understanding of roaming agreements and IR.21, including IREG testing
Online Charging System (OCS) and CAMEL in billing and call control
Strong writing and documentation skills are needed to develop reports
Adaptability and responding to change
Be able to work under pressure
You are fluent in English (written and spoken)
Ready to work on morning/afternoon shifts
Good interaction with external customers and internal teams

Senior Mobile Core Architect

Key skills