The engineer’s Functional Role is typically working with Core Network Nodes (MSC/ GMSC/ STP/ HLR/ SCP/ MSS/ MGW.
Advanced O& M experience within Ericsson GSM/WCDMA core network (AXE & MGw platforms).
Exceptional troubleshooting skills of traffic-related issues (MSS, MSC, FNR/HLR, STP, and MGW) through adapting existing procedures, methods and tools.
Advanced understanding of signaling protocols such as SS7/IP, GCP, CAP, MAP, INAP, SCCP, ISUP, BICC, SIP and ATM.
Excellent knowledge of the network topology, its traffic handling capabilities and traffic characteristics.
Excellent tracing skills using different kind of Protocol analyzers: K15, Masterclaw, Wireshark.
Should have strong knowledge on STS performance reports.
Extensive experience in maintaining and improving key performance indicators KPIs: LU, ASR, Paging, HO.
PLEX knowledge and software tracing is a plus.
Very good knowledge in all DT related configurations: A, B, IMSI and EOS analysis, Signaling & Traffic Routing/ Nodes integration/ Triggering Tables/AXEPARS.
Very good experience in using different Ericsson tools: Primus, MHWEB, ERICOLL, KCS
Good ability to interpret network design documents and contribute in preventing mistakes and ensure first-time correct implementation of change requests.
Excellent skills in integrating new nodes RNC, BSC & VAS nodes (SMSc, ICS…).
HLR data handling experience (including subscriber’s profiles & HLR Redundancy).
Good skills in troubleshooting HW-related problems (APZ21250/40 and APG).
Should have experience on HW & SW AXE upgrades.
Very good skills in Emergency Handling.
Good experience on CELLO platform, MO-Shell, FTP, Telnet.
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