- Perform O&M and optimization of core network technologies, including SBC, TAS, CFX, and Cloud.
- Coordinate and collaborate with the IMS Network team, especially for SBC-related call issues, and work with the Hub location for TAS/CFX analysis.
- Troubleshoot, monitor, and trace interfaces using Wireshark or internal system logs to identify and resolve issues.
- Handle customer complaints, capture and analyze Wireshark traces, and provide timely solutions.
- Ensure smooth operations and maintenance of the Core IMS Network, including router and NT HLR management.
- Stay updated with 4G VOLTE and LTE network technologies, understanding call flows and protocols.
- Coordinate with various teams, including Planning, Customer Care, and Solutions, to ensure seamless operations.
- Escalate and manage emergency situations effectively, following established protocols.
- Maintain a strong understanding of interfaces and protocols such as SIP, DIAMETER, DNS, ISUP, MAP, and INAP.
Must Have:
- Bachelor's degree with 6-10yrs of experience in SBC, TAS, CFX, Router, and NT HLR.
- Strong knowledge of IMS Networks and SBC technologies, including troubleshooting call-related issues.
- Proficiency in Wireshark for trace capture and protocol analysis.
- Experience in 4G VoLTE and LTE network technologies, including call flows and signaling protocols.
- Relevant telecom/networking certifications or a degree in Networking, Telecommunications, or a related field.
Nice-to-Have:
- Prior experience in a similar telecom operations/support role.
- Proactive, self-motivated mindset with a commitment to continuous learning and professional development.
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 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
Skills Required
- Bachelor’s degree
- 6–10 years of experience with SBC, TAS, CFX, routers, and NT HLR
- Strong knowledge of IMS networks and SBC technologies
- Experience troubleshooting call-related issues
- Proficiency with Wireshark for trace capture and protocol analysis
- Experience with 4G VoLTE and LTE network technologies, call flows, and signaling protocols
- Relevant telecommunications or networking certification, or a degree in Networking, Telecommunications, or a related field
- Prior experience in a similar telecommunications operations or support role
- Proactive, self-motivated approach and commitment to continuous learning
Nokia Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Nokia and has not been reviewed or approved by Nokia.
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Equity Value & Accessibility — Equity programs include a global employee share purchase plan with company matching and multi‑year share awards. These mechanisms broaden participation and tie rewards to long‑term outcomes.
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Healthcare Strength — Health coverage includes major medical plans with supplementary options such as vision, legal services, and care navigation. The range of offerings indicates comprehensive support for medical needs.
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Parental & Family Support — A global policy grants paid leave for new parents regardless of gender and provides structured return‑to‑work support. Company‑paid life insurance further strengthens family protection across regions.
Nokia Insights
What We Do
At Nokia, we create technology that helps the world act together. As a trusted partner for critical networks, we are committed to innovation and technology leadership across mobile, fixed and cloud networks. We create value with intellectual property and long-term research, led by the award-winning Nokia Bell Labs. Adhering to the highest standards of integrity and security, we help build the capabilities needed for a more productive, sustainable and inclusive world.
