Sr. CM Engineer CORE

Job Description

Come create the technology that helps the world act together Nokia is committed to innovation and technology leadership across mobile, fixed and cloud networks. Your career here will have a positive impact on people s lives and will help us build the capabilities needed for a more productive, sustainable, and inclusive world.We challenge ourselves to create an inclusive way of working where we are open to new ideas, empowered to take risks and fearless to bring our authentic selves to work. The team youll be part of As Nokias growth engine, we create value for communication service providers and enterprise customers by leading the transition to cloud-native software and as-a-service delivery models. Our inclusive team of dreamers, doers and disruptors push the limits from impossible to possible. What you will learn and contribute to Are you passionate about solving problems Your skills and experience Resource will be responsible for end to end testing of VoLTE network deployment (TAS, uCLOUD, MRF, SBC, CFX etc)The task requires IP tracing in a complex network and multi-protocol analysis. Knowledge of Mobility and LTE architecture is required. Experience with SIP protocol and IMS based services is necessary. Experience with SS7 tracing, ability to discuss, identify and name the notes in a typical SIP call flow and the notes in an IMS/Application Server platforms and the function of each note. Ability to document the operational issues and be responsible for cleaning up discrepancies and ambiguity in the same. Including validation with architects to ensure the correct call flow, clearly and accurately document and discuss the discrepancies, anomalies or issues with the test caseRequired Experience: Wireless Mobility Network Experience Domain knowledge required (3-5 Years) Packet Analysis for VoLTE (or VOIP) Protocols Wireless domain of LTE, 3G, 3G+PacketCore, /UMTS/LTE LTE, UMTS and GSM/GPRS Call flows Network topology & various interfaces Protocol testing of UMTS/LTE Understanding of call processes between End to End system testing Configuration, Feature Testing, Troubleshooting Protocol Specifications and AnalysisDeliverables: Working 24*7 operation shifts
• Work as expert Fault Management
• Analysis of Proper call flow requests, responses and/or updates using Tracing tools to capture SIP, TCP, UDP and other LTE-EPC and IMS Protocols
• Analysis of Telephony voice services to include call waiting, call barring, 3-way calling, etc.
What we offer Nokia offers flexible and hybrid working schemes, continuous learning opportunities, well-being programs to support you mentally and physically, opportunities to join and get supported by employee resource groups, mentoring programs and highly diverse teams with an inclusive culture where people thrive and are empowered. Nokia is committed to inclusion and is an equal opportunity employer Nokia has received the following recognitions for its commitment to inclusion & equality:
• One of the World s Most Ethical Companies by Ethisphere
• Gender-Equality Index by Bloomberg
• Workplace Pride Global Benchmark
• LGBT+ equality & best place to work by HRC Foundation
At Nokia, we act inclusively and respect the uniqueness of people.Nokia s employment decisions are made regardless of race, color, national or ethnic origin, religion, gender, sexual orientation, gender identity or expression, age, marital status, disability, protected veteran status or other characteristics protected by law. We are committed to a culture of inclusion built upon our core value of respect.Join us and be part of a company where you will feel included and empowered to succeed.Additional Information,

Keyskills :
configuration managementnetagileantcall flowvoice servicesfeature testingprotocol testingfault managementnetwork topology