E2E Solution Support Specialist resolving challenges in VoX, 5G, and other solutions at Nokia. Work within a globally distributed team, addressing complex customer network issues.
Responsibilities
Troubleshoot challenging, business-critical cases (standard and emergency) across multiple network elements, driving customer fault analysis and resolution.
Provide an end-to-end (E2E) perspective when element-level analysis does not fully explain the fault, ensuring holistic problem solving.
Contribute to system-level Root Cause Analysis (RCA), ensuring completeness with an E2E view and clear documentation.
Recommend improvements related to system dimensioning, configurations, and processes to enhance stability and performance. Act as a persistent problem solver, and build E2E expertise across the team.
Coordinate with support teams from other Business Groups to maintain global E2E control of the customer solution, including participation in on-call rotations and occasional travel (up to 10%).
Drive and facilitate partnership among diverse stakeholder groups to secure aligned, timely solutions. Act as a persistent problem solver, actively sharing knowledge, partnering with peers, and building E2E expertise across the team.
Requirements
Bachelor's degree or equivalent with 9+ years of experience in Packet Core Domain (CMM/CMG/AMF/SMF/UPF) with Tier3 / R&D level of expertise/experience
Exposure to E2E IMS/VoLTE, VoNR troubleshooting (especially on Call flow, GTP, SIP, Diameter, S1, HTTPS protocol needed)
Efficiency of using KPIs and Alarms for E2E troubleshooting in the PaCo Domain and practical experience on 5G Packet Core (AMF/SMF/UPF)
Knowledge and working experience on CBIS/NCS / Public Cloud (AWS, GCP) and IP Networking are mandatory
Strong communications and leadership skills to interact/coordinate/drive investigation from an end-to-end angle
Knowledge in Packed Core dimensioning/capacity would be a plus
Experience in IMS/VoLTE with Tier3 / R&D level of expertise/experience would be a plus
Has experience working under pressure and with strict deadlines (Emergency, Code Red)
Self-driven, independent, and passionate with a strong sense of ownership and experience working with teams spread across different regions.
Benefits
Flexible and hybrid working schemes
A minimum of 90 days of Maternity and Paternity Leave, with the option to return to work within a year following the birth or adoption of a child (based on eligibility)
Life insurance to all employees to provide peace of mind and financial security
Well-being programs to support your mental and physical health
Opportunities to join and receive support from Nokia Employee Resource Groups (NERGs)
Employee Growth Solutions to support your personalized career & skills development
Diverse pool of Coaches & Mentors to whom you have easy access
A learning environment which promotes personal growth and professional development - for your role and beyond
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