Responsible for the day to day operation and support all RCS nodes in the network. ¿ Provide Level 2 support for Mavenir RCS/Messaging products, troubleshooting and resolving technical issues related to Diameter, VOLTE, SIP, and other associated protocols. ¿ Manage and resolve complex customer issues escalated from the Monitoring support team or L1. ¿ Monitor and troubleshoot voice and messaging related incidents to identify the root cause and ensure swift and effective resolution. ¿ Perform regular technical analysis/audit to ensure the optimization and quality of the services. ¿ Collaborate with internal teams, partners, and vendors to resolve escalated technical issues and implement corrective actions. ¿ Conduct testing and verification of any implemented changes in configurations to ensure they meet regulatory and service requirements. ¿ Generate reports, analyse service/operational KPIs, and contribute to the improvement of processes and procedures. ¿ Document and maintain detailed records of all support activities, including resolutions, troubleshooting steps, internal/external interaction, incident report and lesson learned. ¿ Change implementation. ¿ Handle communications with other domains. ¿ Build knowledge and manage daily operation activities to high efficiency. ¿ Collaborate with our Partners and internal stakeholders to identify issue and fixes incidents within the agreed service SLA. ¿ Be part of an on call shift rotation pool. ¿ Availability to work occasionally during nights and weekends to provide support for urgent issues or scheduled maintenance. ¿ Working from office. VM CORE, IR, IOT & Central Core Operation VM CORE, IR, IOT & Central Core Operation Page 2 of 2 Sep 2023 REQUIRED KNOWLEDGE, SKILLS, AND EXPERIENCE: ESSENTIAL DESIRABLE ¿ Bachelor's degree in Telecommunications, Engineering, or a related field. X ¿ 7+ years of experience in mobile core network operations / Planning. X ¿ Deep understanding of mobile network related protocols and technologies such as SS7, Diameter, GTP, MAP, SIP, RTCP, RTP and IP based protocols and HTTP/HTTS, h.248. X ¿ Strong technical knowledge on VoIP, LTE, VoLTE/IMS, including core network elements, architecture, and call flows. X ¿ Mavenir cloud products experience and knowledge. X ¿ RCS on Mavenir products experience is highly appreciated. X ¿ Experience with monitoring tools, troubleshooting techniques, and performance analysis. X ¿ Proficient in using industry standard tools for analysing KPIs and metrics, trace reading and troubleshooting. X ¿ Excellent analytical and problem solving skills with a focus on delivering high quality results. X ¿ Strong communication and interpersonal skills to collaborate effectively with internal and external stakeholders. X ¿ Ability to work under pressure and prioritize tasks in a fast paced and dynamic environment. X ¿ Automation mindset, scripting or programming experience is a must X Working experience on OpenStack or Kubernetes. X ¿ Certifications or Trainings CCNA, CKA, OpenStack COA is advantageous. X ¿ Method of Procedure preparation, validation, and execution experience. X ¿ Experience in at least 4 Mavenir products from the below list: ¿ CMS, CRDL DB, UCC, MCU, MSRB, MTCIL, PCS, RMS, Scylla DB, SCE Portal, TAS, UCC, WRG, Analytic, XMS, xTend, RCS_VOICE, RCS_CORE, WSG, PNS, SDC, PRX, MSTORE, DSN