7 Csfb Jobs

Role Overview: As a Test Engineer at Marquistech, you will be responsible for mobile testing activities such as pre-launch mobile device testing, field testing, sanity testing, feature testing, and more. You will play a crucial role in ensuring the quality and performance of mobile handsets in India and abroad. Key Responsibilities: - Perform field testing, sanity testing, feature testing, functional testing, system testing, device flashing, compatibility testing, retesting, regression testing, performance testing, load testing, stress testing, mobility testing, and stationary testing of 2G/3G/4G LTE smartphones. - Conduct UI testing, integration testing, regression testing, and network test...

Join our Team About this opportunity: The RF Performance Engineer will be responsible for monitoring, analyzing, and optimizing LTE and 5G NR radio access network performance. The role involves advanced troubleshooting, KPI improvement, and customer experience / Complaints optimization through data-driven analysis and feature implementation. What you will do: Perform end-to-end radio network performance management for LTE and 5G NR layers, ensuring stability, accessibility, mobility, and quality KPIs meet defined targets. Conduct daily, weekly, and monthly performance reviews using OSS/KPI dashboards and automated performance management tools. Identify and troubleshoot cell- or cluster-level...

As a Test Engineer at Marquistech, you will be responsible for various aspects of mobile testing in both India and abroad. Your role will involve pre-launch testing of mobile devices, including handset testing, field testing, feature testing, system testing, compatibility testing, and more. You will work with 2G/3G/4G LTE smartphones, perform debugging analysis, and execute field test cases to verify call performance and data functionality. Additionally, you will be involved in UI testing, regression testing, network testing, and log capturing using tools like QxDM, Wireshark, and ADB. Key Responsibilities: - Conduct pre-launch mobile device testing, including handset testing, field testing,...

You will lead the design and development of Voice Services over NB-IoT, focusing on building and optimizing Voice Gateway signaling components and media session setup. Your role will involve implementing CSFB-SS7 (I1 protocol) for integration with NTN carriers and 3GPP IMS Core, as well as developing a scalable Voice Gateway Server with CSFB-I1 and SIP/SDP interworking functions. Integration of third-party SIP/SDP protocol stacks for seamless operation and optimizing voice services for low-bandwidth networks will be essential. You will be responsible for supporting thousands of SIP sessions with interworking to MNO SBC and IMS networks. Defining and executing test cases, automation, and code...

The role available is a direct position with our esteemed client where you will lead the design and development of Voice Services over NB-IoT. Your responsibilities will include building and optimizing Voice Gateway signaling components and media session setup, as well as implementing CSFB-SS7 (I1 protocol) for integration with NTN carriers and 3GPP IMS Core. You will be tasked with developing a scalable Voice Gateway Server with CSFB-I1 and SIP/SDP interworking functions, integrating third-party SIP/SDP protocol stacks for seamless operation, and focusing on optimizing voice services for low-bandwidth networks. Additionally, you will support thousands of SIP sessions with interworking to MN...

8+ yrs exp in design and development of Voice Services across NB-IOT. Exp in SIP/SDP, VOIP , VoIMS, IMS network and server skills. Any lang exp .Exp in product devlop- Available for F2F round (Tin Factory), Bangalore. Ready to work in Start up

Role & responsibilities SME Tech Lead Experienece 7+ years jd 5+ year working experience with 3GPP evolved Packet core, with detailed knowledge of the UE attach procedures (AS, NAS), the EPC architecture and protocols 5+ year experience in 3GPP LTE and EPC design and architecture Excellent understanding of 3GPP Call Flows - 2G, 3G, 4G, MNP, Camel, CSFB, SRVCC, VoLTE etc In-depth knowledge on mobile networks, especially on 3GPP LTE 4G and 5G standards in Packet Core and the interface towards the Radio Network Detailed knowledge of the protocol stack and layer functionality, control and data plane, specifically UE-eNB, and NAS (UE-MME), X2, and eNB-SGW, and SGW-PCE Excellent end to end experti...