The Core Network Engineer will support and develop mobile core network technologies, perform monitoring, testing, and optimization, and handle documentation and on-call support.
As part of Webbing Core Network Team, you will be responsible for Mobile Core network support, functionality and development at the cutting edge of technologies. This is a great opportunity to demonstrate technical and organizational ability, working in a small team under Webbing Network Engineering Department
- Self-motivated and able to maintain focus in a pressured environment
- Perform proactive monitoring of network elements’ KPI/ alarms and network performance analysis
- Perform service/system testing, data collection, and optimization as required
- Handle and analyze trouble tickets and provide solutions when necessary
- Create and maintain network system documentation
- Operational task and requests handling
- Participate in knowledge transfer to NOC engineers
- Provide on-call 24 x 7 support on a rotating basis
- Complete familiarity with MNO/MVNO structure and flows, for Voice, SMS and Data scenarios
- Experience in analyzing network flows using raw data (traces/PCAP/etc.)
- Deep understanding of various protocols: MAP, Diameter, GTP, SIP, RTP, SMPP
- Deep understanding of 3G, 4G and VoLTE networks
- Ability to design, scale and integrate a network element into a live network
- Hands-on experience in integration between network elements (SCTP, SIP trunk, SMPP connection)
- Roaming and SPR solutions understanding
- Understanding of 3GPP standards and GSMA guidelines and knowing to analyze based on it
- At least 5 years of practical experience as a core engineer
- Willingness to occasional travel is required.
- Knowledge of IP switching and routing protocol - an advantage
- Knowledge of Linux system administration and cloud technologies (AWS, VMware) - an advantage
- Familiarity with scripting specifications and profiling automated tools - an advantage
Top Skills
3G
4G
AWS
Diameter
Gtp
Ip Switching
Linux
Map
Mno/Mvno
Routing Protocols
Rtp
Sip
Smpp
VMware
Volte
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