Core network engineer (CS & IMS) English speaking-not remote
Posted on Sep 25, 2021 by Connect 44 AG
Core network engineer (CS & IMS) English speaking-not remote work
We are looking for a senior core network engineer with broad expertise in the CS and IMS domains. As a member of the Core Network team, you will design, implement and operate Salt's core network, covering fix voice, Mobile Circuit Switch, Mobile Packet Switch and IMS.
* Evolution of Salt CS and IMS core network (planning & implementation).
* Plan and implement routing changes.
* Setup, test and validate new network nodes.
* Setup, test and validate interconnection with other operators or MVNOs.
* Operate/maintain CS/IMS Core HW and SW.
* Customer complaint troubleshooting/incident resolution.
* Capacity management.
* Performance management.
* 24/7 on call rota.
What you bring
* Degree in telecommunications or equivalent.
* Very good knowledge on CS and IMS mobile core network with at least five years' experience in level 1 and level 2 support.
* Proven expertise in CS and IMS Core network planning, implementation, operation and troubleshooting
* You are at ease working on different network nodes: MSS, MGW, TAS, CSCF, SBC, AAA, PCRF, ePDG, eNUM
* Experience in operating and upgrading Nokia IMS VNFs on virtualised environments based on OpenStack.
* Experience in performing SW upgrades on Nokia ATCA MSS & MGWs
* Knowledge and/or experience on VoNR is a plus.
* Experience with MVNOs is a bonus.
* In depth knowledge of standard Internet protocol suite (TCP/IP).
* You are at ease using UNIX based systems and databases.
* Protocols: SS7, SIP, MAP, CAP, Diameter
Please send your Cv if oyu are interested in role