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IMS & CS Core Senior Engineer (L2)

3.00 to 10.00 Years   Doha, Qatar   18 Jan, 2021
Vodafone Qatar
1 Jobs Openings
Job LocationDoha, Qatar
EducationBachelor's degree / higher diploma
SalaryNot Mentioned
IndustryTelecommunications
Functional AreaNot Mentioned

Job Description

Role purpose:The L2 CS/IMS Core engineer will be part of the CS/IMS Core Operations team, managing VFQA core switches, media gateways, IMS system, signalling and roaming operations and subscriber data management platforms, maintaining a 24/7 superior network KPIs with high availability of 99.99%, achieving quality leadership in a very competitive market. Being a multi-vendor environment, he/she has to perform vendor management for incident management and SLA negotiations as per the Vodafone policies.CS/IMS Core L2 Engineer will be responsible for the implementation, maintenance, and 2nd level operational support of the wireless network platforms.Key accountabilities and decision ownership??

  • Expert knowledge of CS/IMS Core call flows and scenarios as per 3GPP, GSMA IR, IEEE and ETSI standards, outstanding troubleshooting skills using internal/external tracing tools, Wireshark, IRIS, Tektronix, etc...
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  • Expert knowledge of CS/IMS Core protocols such as (MAP, SCCP, BSSAP, RANAP, ISUP, Camel, SS7/Sigtran/M3UA/MTP3, AAA, Diameter (S6a, Cx, Dx, Rx), BICC/SIP/SDP/RTP/Gm, etc.?)
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  • Analyze daily and weekly health checks reports for CS Core domain and proactively responding to degraded KPIs and alarms within the acceptable SLA limits.
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  • Responsible for maintaining E2E measurement data and network KPIs within agreed OLAs & SLAs, ensuring network reliability and availability with minimal MTTR through promoting strong incident and proactive problem management practices.
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  • Provide on-site level 2 operations and maintenance support when needed, Incident and Problem management, applying proper corrective actions to restore the service.
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  • Provide Root Cause Analysis (RCA) through Major Incident Reviews (MIR) with the Vendors and update KEDB documentations.
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  • Participate in carrying out Weekly Business Reviews (WBR) and Major Incident Reviews (MIR).
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  • Develop method of procedures for various CS/IMS Core services and change requests, utilizing automation scripts to simplify operations (Example: SOAP, XML, Shell, Expect, Python, Perl...).
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  • Deploy & Integrate new nodes, roaming agreements, execute & oversee acceptance process (ICS , SBC,TAS,UT-proxy, UDM , UDR, MSC, VLR, MGW, HLR, HSS, SDM, AUC, STP, SS7 Firewall, MGCF, CSCF, MRF, SCCP relay, etc..), support Networks teams in various projects.
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  • Execute and validate SW and HW bug fixes, release upgrades and expansions.
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  • Responsible for Network Audit, Operational performance, Capacity, Trend, Risk and Gap analysis.
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  • Supported repair and return activities, spare part management.
??Participate in an on-call Rota and flexible working hours (Night shifts as required)?Key performance indicators??
  • Zero related incidents due to non-standard implementation of security protection and missing notification.
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  • Support customer operations to meet Customer TTs in SLA.
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  • Assure network resilience is in place and trigger action points once we start breaking the resiliency due to traffic increase
??Guide and Mentor L1 Core Team?

Keyskills :
IMS & CS Core Senior Engineer (L2)

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