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Core MS Specialist
3-6 years
Chennai, Bangalore / Bengaluru
1 vacancy
Core MS Specialist
Nokia
posted 3mon ago
Job Role Insights
Flexible timing
Job Description
- Managed Services support required on all EPC products for 4G & 5G NSA network at L2 level as per 24X7 availability model in very senior role
Technical requirements
- Multiple years of hands on experience on EPC Network
In depth knowledge of SGSN/MME, DNS, PCRF, OCS, DRA/DEA, AMF, SMF, UPF, CSD
- In depth understanding of 3G,4G, LTE, 5G Roaming call flows
- Expertise in Fault and Configuration Mangement
- Fully experienced with Cloud core technology
Strong Knowledge in all Telecom protocols Specially SIP, MAP, - CAMEL, Radio access & Diameter.
- Good understanding of the interfaces of 3g,4g
- Diameter (AVPs & result code), GTP Protocol knowledge
- Comfortable in different versions of Linux and scripting both Perl and shell
- Well versed with delivery requirements & Challenges in Telecom Operations and Maintenance
- Be able to provide product level support and can act as Escalation 24/7 support
- Must have performed SPOC level task
Experience in Nokia IMS under cloud for multiple VNFs including
CMM
CMG
CSD
ePDG
NPC/PCRF
IP Tech
AMF, SMF, UPF, CSD
Responsibilities: -
- Must have performed lead & SPOC level tasks
- Provide 24/7 L2 support on relevant elements
- Perform L2 fault and service restoration
- Perform L2 fault investigations and root cause analysis to resolve issues within SLAs.
Input into Incident Reports and Problem Management
- Update TT with L2 fault information, impact analysis and rectification.
- During critical and escalated major fault rectification, participate in fault management as requested by the Incident Manager and attend the bridge conferences as per the WLA.
- Escalation to Vendor for L3 support in the rectification of service impacting faults and other system faults as necessary
- Collect and analyses required logs and traces during and post fault investigations
- Develop, maintain and perform L2 Health Checks and scripts
- Develop and maintain L2 technical processes and tools
- Ensure backup of all elements as per Back-Up policy
- Assist performance team in troubleshooting of Network performance issues and customer faults,
- Review plans and results of IOT, SW release and feature testing
- Review regression test plan, specifications and results for SW updates
Implementation of SW updates including review release notes, impact/risk assessments, FAR (participate in FAR to up-skill for GAR rollout), GAR, analyze performance post change
- Maintain network baseline document set eg life cycle database for all elements
- Review technical documentation/notes and faults descriptions from Vendor and implement workarounds/fixes as required
- Maintain known issue list/ Risk Register
- Improve optimization of alarms, counters and thresholds.
- Provide recommendation to the local Engineering teams on configuration, software updates and general element management as appropriate.
- Review, awareness and approval of CR activity and participate in
- Daily CR Review meetings
- Usage data collection and control
- Perform System Performance monitoring and analysis
- Provide Operational Acceptance for new elements being introduced into the network
- Provide data for pre-sales support
Employment Type: Full Time, Permanent
Functional Areas: Other
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People are getting interviews at Nokia through
People are getting interviews through
(based on 177 Nokia interviews)
Campus Placement
Job Portal
Company Website
Referral
Walkin
Recruitment Consultant
28%
27%
12%
11%
2%
1%
19% candidates got the interview through other sources.
High
Confidence
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High Confidence means the data is based on a large number of responses received from the candidates.
What people at Nokia are saying
Rating based on 7 Specialist
reviews
Anonymous · Quality Assurance and Testing
in Noida
Likes
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Read 7 reviewsSpecialist salary at Nokia
reported by
90
employees
with 8-17
years exp.
₹9.5
L/yr - ₹26
L/yr
57%
more
than the average Specialist Salary in India
View more details
What Nokia employees are saying about work life
based on 2.2k employees
Flexible timing
Monday to Friday
No travel
Day Shift
Nokia Benefits
Submitted by Company
Global ‘New Child Leave’ Policy Global Life Insurance 
Cafeteria
Submitted by Employees
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