Saiful Saleem

Deployment of 5G NFs (AMF,SMF,UPF,NRF,NSSF) on K8s platform

Integration 5GC NFs with peer Nodes like Nokia UDM, AUSF

Acceptance and feature testing for the deployed 5GC nodes on K8s

GitOps and Helm based deployment on different Clouds

• Deployment of MPS (Mobile positioning System) Node ENL on Baremetal , Openstack and K8s ECCD cluster through Helm chart
• Configuration, Integration of NLS/NLG with 4G/5G core nodes and performing AT with customer
• Preparing HLD, LLD and CIQ for ENL to be deployed in customer network
• Upgrade and migration of existing MPS (Mobile positioning System) to new node ENL

• Deployment of IMS Nodes (IMC,CMS,AGW,UccAs)on Openstack
• Resolving IMS KPI's degradation and following up with relevant teams
• Creating case to R&D for L3 issues observed

• Onsite Experience : Kenya, Kuwait, Mozambique, Greece, Qatar Responsibilities
• Deployment of Nokia IMS Nodes(OTAS,NTAS,MGCF,CFX,vMSS, NetNumber) from CBAM on CBIS/NFV Platform and of CS nodes(ATCA MSS, ATCA MGW) on Baremetal
• Deployment of Cloud services of Openstack ,Vmware and application onsite and remotely
• Deployment of Cloud native IMS application like NTAS and troubleshooting on Kubernetes, Docker and containers
• Integration of Nokia IMS and CS nodes with peer entities and following up with respective teams for smooth integration
• AT for functional and Non-Functional Tests of deployed VoLTE Nodes
• Performing SW update/upgrade for NTAS, Cloud MSS, ATCA MSS and OMGW and relevant testing after upgrade
• CS Core modernization and traffic migration from live CS nodes to the new MSS & MGW after complete ATMN sign off from Customer
• Creation of links & SCTP associations with SRVCC, MGCF, CSFB

• Operation & Maintenance of Nokia ATCA MSS and MGW
• Managed daily health check of Core nodes to support business needs, involving diagnosis, troubleshooting of faults generated to improve ASR, CSR, PSR
• Taking and analyzing traces like (like SS7, ISUP, CAMEL etc...) with help of TRAFFICA and OSIX to solve SMS and roaming related issues

• Configuration of POI & M3UA links, SIGTRAN, RNC,BSC Creation, Rehoming in Core nodes, CGR Creation & Deletion ,shifting in MSS/MGW
• Raising Emergency and to Nokia Care, follow up through Bridge Conference
• System Internal/External Backups as per preventive Maintenance Schedules
• Performing corrective maintenance actions to troubleshoot core node problems such as hardware issues, software package issues relating to MSS/MGW and HLR