YOUR SKILLS AND EXPERIENCE

• Good exposure in IMS architecture with all the nodes E// (P-CSCF, I-CSCF, S-CSCF, TAS, HSS) and end to end call flow including IMS Registration.
• SIP Call processing and SIP Supplementary Services & Telecom Protocols and technologies like SIP, SDP, DIAMETER, TCP/IP, HTTP, MGCP etc.
• Good experience in Packet Core Knowledgeable of telecommunications protocol and networks SS7, GSM (Call Flows/Protocols),
• Experience in Feature testing like: Voice mail, Chat, SMS-opt, SMS- redaction, Sip rec, Minute / Data calls, Sequential / Simultaneous call systems and DTMF.
• IMS and SIP testing, SIP call flows, IMS (including CSCF servers) component testing.
• Working knowledge on EPC protocols: VOLTE, CSFB, TAS, BGW, MGW, DIAMETER, EPC, LTE, MME, SAEGW, SGW, PGW, DNS, SGSN, GGSN, HSS

YOUR ROLE

• IMS Engineer that will be responsible for the coordination, management, execution and reactive maintenance activities
• Ensure configuration Changes, hardware expansion, Vendor Management, Troubleshooting of MSC, MGW, HLR, HSS, STP, SBC, UDM (CUDB, HSS[1]FE, HLR-FE) IMS (P, I, S-CSCF, ATS, MGCF, MRFP, CG, ENUM, DRA, UPG) with approved processes
• To participate in internal technical discussions in view to improve overall network performance and make recommendations