CS Core Support Engineer
Nokia is a global leader in the technologies that connect people and
things. With state-of-the-art software, hardware and services for any
type of network, Nokia is uniquely positioned to help communication
service providers, governments, and large enterprises deliver on the
promise of 5G, the Cloud and the Internet of Things.
Serving customers in over 100 countries, our research scientists and
engineers continue to invent and accelerate new technologies that will
increasingly transform the way people and things communicate and
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Operation and maintenance of NSN Rel. 4 CS Core networks.
Plans and performs technical activities to service the customer independently directly or through customer interface.
Main Responsibility Area
Plans and executes technical tasks according to given tasks, along with
existing processes and instructions. Works with the responsibility of
responding to customer problems directly or through internal customer
interface. Solves technical problems.
Main Network Elements supported
MSC Server ( All HW and SW releases)
HP Server ( All HW and SW )
VMWare hypervisor (O&M)
MGW (All HW and SW releases)
SBC (All HW and SW releases)
Nokia Cloud Band (Network Director, Application manager, and Infrastructure manager)
Release 4 NSN CS Core, SBC and CBAM Network Elements operations
Managing Core operations KPIs
Resolution of trouble tickets raised by NOC / Customer / other SLM Teams
Escalation of complex faults to the next level for support
Liaison with other SLM team to resolve faults / technical issues
Detailed analysis of core Performance Data for faults
Supporting Core optimization team.
Actively participate in CS core equipment acceptance test for handover between delivery and MS/ Customer
Signaling traces (protocol analyzer) analysis to resolve faults
Daily / weekly routine maintenance checks and operations
Deliverables / Performance Measures (Goals and targets to be achieved
Core NE’s downtimes decreased, meeting SLAs Roaming operations
Expansion on A interface / POI ( new or existing)
Rehoming POIs / BSC’s / RNC’s
Integration of new BSCs / RNCs
Backup (Fall back / charging files) internal & external media as per process.
Routing & numbering plan definition and changes
Circuit group management / Signaling links creation management and modifications / Digit analysis etc
Responsible to keep software levelling in all Network elements
Provide BO Core Team Leader with reports of work done daily & co-operate fully.
Keep eye on Core elements license limitation and time
Develop and perform failover test and reporting.
Fault correlation, impact analysis and root cause analysis for core and service network.
Routing table analysis, B-Number Analysis.
Active participation in cross functional projects and ensure proper
integration of new services with core systems as well as new core nodes
in network, keeping critical live services uninterrupted.
Root cause analysis for SMS service problem.
Provide roaming support to external bodies like other operators
Regular Core & Service nodes health checkup, ensure node backup.
Analyze network reports of core system elements on daily/weekly basis & thereby take preventive actions.
24 *7 NOC back office support.
Desired Skills, Experience And Character
5 years or more experience
Extensive experienced as Nokia CS CORE back office engineer.
Extensive experience with core software application including all CS CORE components.
Experience in communicating with different groups/teams.
Must have hands on experience on Nokia CS CORE operations & maintenances.
Good knowledge in operating systems.
Good knowledge of shell scripting.
Good Troubleshooting skills.
Ability to adapt to work in a multicultural environment
Analytical and conceptual thinking, problem solving ability
End user / Customer service orientation
Integrity and credibility.
Good communication skills
Self-motivated and ability to motivate other