SBC Senior System Engineer​/IMS Architect

We are seeking a Senior SBC System Engineer / IMS Architect to join our R&D organization.

This role collaborates closely with Nokia R&D stakeholders—including the CTO, systems engineers and architects from other IMS products, product owners, software engineers, product line managers (PLMs), and customer support teams—to define, design, and deliver SBC product capabilities tailored for both telecom and enterprise markets.

• Definition of SBC product and/or IMS solution level requirements to respond to new market needs, focused on Session Border Controller (signaling plane or media plane).
• Cooperation with Product Manager, Product Architect, Systems Engineers, Solution architects, CTO and Development Teams on defining product roadmap, feature/requirements definitions and backlog prioritization.
• Identification of product gaps and weaknesses toward standards & competition, addressing them in enhancements/roadmap.
• Supporting design, implementation, test, sales and maintenance of product with the relevant teams.
• Documenting and presenting product capabilities internally and externally (documentation, publications and presentations).
• Cross‑sharing technology & product knowledge among various project team members.
• Representing Nokia R&D internally and externally.

• Bachelor's degree or equivalent experience is minimum required; a degree in computer science and/or telecom is more relevant. Master’s degree is a plus.
• At least 8‑10 years of professional experience in system/solutions engineering in the IMS domain.
• Previous experience in software design, development and/or testing in an R&D or similar organization.
• Good knowledge of Session Border Controller product(s) (control plane and media plane), their functions, components, interfaces.
• In‑depth knowledge of IMS architecture and SBC‑applicable use cases.
• In‑depth knowledge of VoIP and VoLTE architecture, entities, use cases.
• 3
  
  GPP and IETF standards knowledge applicable to SBC signaling & media services and networking.
• Experience and strong knowledge of signaling plane: SIP, H.248, Lawful Interception, Diameter, HTTP(S), SIPREC, IPsec, TLS.
• Experience and strong knowledge of media plane: H.248, MSRP(S), (S)
  RTP, RTCP, UDPTL, DTLS, TLS, DTMF, SIGTRAN, transcoding (audio, fax, video) including TrFO, MOS, DSP.

• Experience and strong knowledge of OAM interfaces (CM, FM, PM): HTTP(S), SSH, (S)
  FTP, SNMP, NETCONF, RESTCONF.
• Good understanding of cloud, cloud‑native principles, microservices.
• Good knowledge of system performance, capacity and overload control aspects.
• Experience with Kubernetes, Openshift, AWS, Azure, Open Stack, VMware clouds, SDN.
• Data analytics skills, understanding of machine learning technologies & methods would be a plus.

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.