Domain Architect
Nokia
IT
Malaysia
Posted on Dec 2, 2025
We seek an experienced individual for turnkey system integration projects involving IMS and VoIP node installation and integration, configuration of various interfaces (SIP, Diameter, GTP, etc.), EPC and policy control architecture implementation, core IP network architecture management, and hardware platform (HP, ATCA, Solaris) integration. Presales experience including scoping, estimation, dimensioning, and capacity planning is also required.
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In Cloud and Network Services, 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.
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Some of our 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
We seek an experienced individual for turnkey system integration projects involving IMS and VoIP node installation and integration, configuration of various interfaces (SIP, Diameter, GTP, etc.), EPC and policy control architecture implementation, core IP network architecture management, and hardware platform (HP, ATCA, Solaris) integration. Presales experience including scoping, estimation, dimensioning, and capacity planning is also required.
You have:
- Networking Fundamentals: Understanding of packet switching, routing protocols (e.g., BGP, OSPF), and network architecture.
- Cloud and Virtualization: Knowledge of cloud computing, virtualization (e.g., VMware, KVM), and containerization (e.g., Docker).
- 5G and Packet Core: Familiarity with 5G network architecture, packet core functions (e.g., SGW, PGW), and protocols (e.g., GTP, PFCP).
- Nokia CMG Product Knowledge: Understanding of Nokia's Cloud Mobile Gateway (CMG) product, including its features, configuration, and deployment.
- Troubleshooting and Debugging: Ability to troubleshoot and debug complex network issues, including packet analysis and network performance optimization.
It would be nice if you also had:
- Willingness to travel.
- Installation & Integration of IMS nodes including P/S/I-CSCF, Application Servers, servers specific to applications like Presence server, IM server etc.
- Configuration & Implementation of the IMS Protocol Interfaces – Gm Interface, ISC interface, Ro/Rf Interface, Sh Interface SIP, SOAP/XML, Diameter etc.
- Installation & Integration of VoIP nodes including Media Gateways, Signaling Gateways, MRF protocols including SIP, MEGACO, MGCP
- Handling EPC network including configuration & implementation of the EPC interfaces over LTE signaling protocols (s1ap, GTP-C/U, Diameter)
- Handling Policy Control Architecture including policy use case implementation to control different Interfaces like Gx, Gy and Rx.
- Handling Core IP Network Architecture – Including Routers, Radius Servers and various protocols like IGMP, ICMP, EIGRP, Deep Packet Inspection etc.
- Installation & Integration over the HP, ATCA, Solaris hardware, Unix and Load balancers platforms
- Scoping & estimation of upcoming opportunities in presales phase
- Dimensioning, Capacity, Hardware sizing