The role focuses on performance assessment, optimization, and analysis of PaCo core network elements. The engineer will be responsible for evaluating system performance, identifying bottlenecks, improving KPIs, and ensuring optimal service delivery across various IMS components and deployment models.
Responsibilities- Perform end-to-end performance assessment and optimization of PaCo network elements.
- Analyse and interpret KPIs, counters, and logs to identify performance issues and improvement areas.
- Work on call flows (VoNR,VoLTE/VoWiFi) to troubleshoot and optimize network behaviour.
- Conduct capacity planning and dimensioning based on traffic trends and forecasts.
- Perform root cause analysis (RCA) for performance degradation and service issues.
- Optimize performance for different deployment models (Bare Metal/VNF/CNF)
- Collaborate with cross-domain teams (IMS Core, SDL etc.) for E2E optimization.
- Support customer-facing discussions, performance reviews, and technical presentations.
- Validate performance improvements through testing and benchmarking.
PaCo & Telecom Knowledge:
- Strong understanding of 3G/4G/5G core network architecture, especially PaCo.
- Expertise in VoLTE/VoNR call flows, SIP signalling, and session handling.
- Hands-on experience with PaCo nodes such as:
- SGSN/MME/AMF
- PW/SGW/UPF/SMF
- NRF/NSSF
Performance & Optimization:
- Strong knowledge of performance counters, KPIs, and SLA metrics.
- Experience in performance tuning, load handling analysis.
- Ability to correlate KPIs across multiple network elements.
- Understanding of traffic models and network behaviour under load.
Data Analysis & Tools:
- Strong skills in:
- MS Excel (advanced formulas, pivot tables, charts), MS Access, Power BI etc.
- Data analysis and reporting
- Exposure to scripting/tools is a plus (e.g., Python, SQL).
- Experience with trace analysis tools / packet analysers (e.g., Wireshark).
Nokia is a global leader in connectivity for the AI era. With expertise across fixed, mobile and transport networks, powered by the innovation of Nokia Bell Labs, we’re advancing connectivity to secure a brighter world.
Our recruitment process
We act inclusively and respect the uniqueness of people. Our 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.
If you’re interested in this role but don’t meet every listed requirement, we still encourage you to apply. Unique backgrounds, perspectives, and experiences enrich our teams, and you may be just the right candidate for this or another opportunity.
The length of the recruitment process may vary depending on the specific role's requirements. We strive to ensure a smooth and inclusive experience for all candidates. Discover more about the recruitment process at Nokia.
- Flexible working arrangements and additional flex benefits to support work–life balance
- 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)
- Medical and life insurance plan, plus paid sick leave for added security
- Meal allowance to support daily needs
- Car allowance based on eligibility
- Well-being programs to support your mental and physical health
- Opportunities to engage with Nokia Employee Resource Groups (NERGs), as well as access to mentors, coaches, and Employee Growth Solutions
- A learning culture that promotes continuous personal and professional growth – for your role and beyond
Nokia Mumbai, Maharashtra, IND Office
Mumbai, India
