Skip links

Core Engineer x 10

Core Engineer x 10

€50K – €60K
 
© Nokia Solutions and Networks 2019 | 
IMS / Core Engineer 
Madrid, Spain  
General Purpose 
Nokia is a key supplier to help operators on their transformation journey to Telco Cloud business. This includes the delivery and operation of highly customized Telco Cloud Solutions.  
The IMS Subject Matter Expert interfaces with customers to provide implementation and/or system integration related services. He/She works in Cloud Core domains with advanced competence level and seniority; therefore he/she proactively plans and performs advanced technical activities requiring knowledge in multiple areas or on a system level to service the customer. He/She prioritizes activities on the basis of customer impact and brings expertise to customer site on need basis. Able to apply advanced methodologies for the analysis, design and planning of solutions, but also for the later maintenance and operation. 
Able to apply advanced methodologies for the analysis, design and planning of solutions, but also for the later maintenance and operation. 
Main purpose of the role and key responsibilities 
 
? Apply customer specific configuration in the network elements’ subsystems abroad at customers’ sites ? Perform SW maintenance activities such as installation & test of technical/change notes /change deliveries ? Carry out independently complex technical activities such a SW upgrades/updates Service, Expert Support and technical audits on site ? On-site support at customer premises participating network operation service ? Ensure high availability of Core network services through effective Project delivery. This would involve activities such as troubleshooting, root cause analysis, correction development, testing and implementation. 
Position Requirements and Personal Attributes ? Master's or Bachelor's degree from technical university ? English language skills – fluent spoken and written English ? Knowledge of one of the following areas: Networking (general IP networking/routing), Unix/Linux competence is needed, IMS solutions, SIP protocol ? Knowledge and exposure to different switching network, signaling, telecom standards and implementations, End-to-end knowledge on Rel4 Voice over LTE call flow and/or deployment, feature testing/verification ? Installation commissioning integration and acceptance for CFX/TAS/MSS/MGW systems 
 

 
© Nokia Solutions and Networks 2019 | 
 
 
 
 
? Knowledge of Telco cloud solutions and virtualization (vCloud) skills are an added advantage for the position ? Willingness to travel – readiness to accept international assignments ? Hunger to learn new and develop own skills, engaged to keep competences updated ? Self-motivated and able to work effectively and reach objectives with little or no supervision ? O&M of Core network including SBC, TAS, CFX, NT HLR, Routers. ? End-to-end knowledge and co-ordination of IMS Network, SBC such as handling of call related issue of IMS at SBC level and co-ordination with Hub location for analysis at TAS/CFX.  ? Operations & Maintenance of Core IMS Network including troubleshooting, monitoring, tracing on interfaces such as Wireshark or internal system traces and logs ? Hands on experience on TAS, CFX, Router ? Experience with Interfaces and Protocols such as SIP, DIAMETER, DNS, ISUP, MAP, INAP, CAMEL, etc. ? Track, Plan & Implement Software Upgrade in network. ? Support in implementation of new features in network. ? Customer Complaint Handling and first level Wireshark trace capturing and analysis. ? Exposure to 4G VOLTE & LTE network with call flow and protocols used. ? Escalation/Emergency Handling ? Co-ordinating with GDC, Care, Planning and Customer, knowledge of raising trouble ticket process, emergency handling mechanism, regular updates to customers ? Good interpersonal skills  ? Good Spoken and Written Skills and team player attributes ? Working knowledge of Linux & Unix