Packet Core (PS Core) Experts for Turkey

[pia1]

Hello all,
We are looking for PS Core Experts to work in the operator's central office in Istanbul-Turkey.
Contract will be for 1 year, extendible. Starting by end of May- June timeframe.
English is required, Turkish is plus.
Anybody interested , can contact email for details with an updated CV : hakan.saylan@pia-team.com .

Below is the main requirements.
Minimum 10 years experience on the related area.
Extensive hands-on experience implementation, troubleshooting and operation support of E******* PS Core Products (SGSN/MME, GGSN, PCEF,PCRF, DPI).This includes hands-on operation of management tools and network analyzers.
Especially PCEF-PCRF experience is important.
* Knowledge and Experience of HSS
* Knowledge of the interworking functions of all aspects of a GSM/UMTS/LTE Network and peripheral functions such as EIR, IMS,PCRF and supporting OSS technologies
* Good Understanding of 3GPP spesifications,Able to monitor the messages and troubleshoot the problems on PS Core interfaces,mainly: Gb,IuPS,Gn,Gr,Gs, Gi,Gp,Ga,Gx, Gy,Gz,S6a,S1-MME,S1-U,S5,S11,SGi,SGs for various protocols (GTP-U,GTP-C,MAP,Diameter,etc )
* Good appreciation of network counters and analysis/design of KPI metrics
• Knowledge of the IMS functional architecture and integration / interworking with the legacy environment
• In Depth Knowledge of IP networking and IP applications within a telecommunications environment
• Knowledge and experience of capacity management and traffic analysis/forecasting within PS Core Domain
• Knowledge and practical experience of QoS principals and applications.
• Appreciation of the interdependencies with the PS core domain and the radio domain
• Able to analyze change requests and take appropriate decisions about implementations in order not to trigger any negative effect on network KPI metrics
• Detailed knowledge of the Packet Core infrastructure and integration with AAA, Traffic management functions, Policy & rules functions,DPI,Video&Web Optimization and the IMS-AS environments
• Good knowledge of user plane protocols and services (rtp,rtcp,http,https,application spesific protocols ie whatsapp,skype,etc)
• Knowledge of SGSN/MME Pooling
* Able to analyze and troubleshoot using CDR data
• Strong knowledge of best practices

Regards,