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 you'll be part of As Nokia's 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. Role Purpose Perform and monitor Software Upgrade for Nokia IMS-VOLTE/ SDM / DN products, Involve in functional and node testing, delivery of status /event reports as per service level agreement Key Tasks & Responsibilities

• E2E Upgrade planning including effort estimation, risk assessment, SoR segregation, etc.
• Use of upgrade tools and perform pre-post check on the nodes as per the latest release.
• Prepare and Execution of software upgrade MOPs as per customer specifications.
• Involve in remote Software Release/Change delivery/Firmware/ patch Upgrade activities.
• Involve in troubleshooting of issues raised after the upgrade.
• Alarms analysis, escalation handling, troubleshooting, mitigating service outages and ensure network availability.
• Co-ordination with various teams, i.e. NPO, Nokia Region, TS, R&D, Customer
• Must ensure smooth upgrade execution without any manual errors
• Involve in post upgrade testing support as a part of first office application (FOA)
• Must ensure strict adherence to process compliance as per the defined scope
• Ensure on time deliverables to avoid customer escalations

Knowledge and Experience

• Engineer graduated/Diploma in Telecommunications, IT or Electronic or Electrical Engineering.
• Should possess excellent communication skills
• Should have 1 to 4 yrs of core telecom experience with minimum 6 months of experience in either of Nokia IMS/SDM/DN nodes
• understanding of Mobile Networks (GMS, UMTS, LTE) and IP Networks
• Good Knowledge of LTE and IMS call flows
• Understanding of Cloud/Virtualization concepts (Hypervisor and container)
• Scripting knowledge (Shell, Python etc)
• Hardware knowledge of HP & ATCA
• Good Knowledge of Linux OS
• 24/7 working environment experience
• Good troubleshooting skills and ability to work under pressure
• Willingness to do domestic and international travel as per business needs

• IMS/VOLTE Profile: Deep knowledge of Nokia IMS Architecture and functionality of its products such as CFX-5000, Open TAS, Nokia TAS, iNUM, knowledge of sip and diameter protocols, wireshark trace analysis
• SDM Profile: Deep knowledge of SDM Network and functionality of products such as Nokia NT HLR, One-NDS, One-EIR, One-MNP, CMS 8200 HSS, UDM, SDL. Should be familiar with SDM, HLR call flows & KPI’s

DN Profile: Good knowledge of Nokia DN products such as SBC, AAA, MRF and CSD and their functionality. Basic idea of 5G and its core components 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.