Voice core operations specialist

Ph3Role purpose /h3 pSecond line operations of core IMS networks in a multi‑vendor environment. The role focuses on preventive and corrective troubleshooting to maintain the quality, continuity, and restoration time of core IMS network elements. The candidate will collaborate with first line operations to develop procedures for fault analysis, perform data configuration, software roll‑outs, and support integration activities. /p h3Key accountabilities and decision ownership /h3 ul liHandle incident troubleshooting, vendor support escalation, and restore core network service and performance. /li liExecute proactive maintenance activities to prevent incidents and continuously optimise the network (e.g., daily walkthroughs and health checks for core CS components). /li liManage planned work activities, network rollouts, software upgrades, and parameter changes in the core CS network to ensure quality of service and avoid regression. /li liIntroduce and manage cutting‑edge technologies, including vendor and on‑the‑job training. /li liPerform acceptance testing and integration/configuration of new network elements in the core CS network. /li liShare knowledge to elevate the technical skills of other teams involved in deployment and operations activities. /li /ul h3Key performance indicators /h3 ul liPutting the customer first. /li liManaging a changing environment. /li liDelivering results. /li liCommunicating for impact. /li /ul h3Core competencies, knowledge and experience /h3 ul liStrong knowledge of core network principles for 2G/LTE: MSS, MGW, SBC, CSCF, TAS, ENUM, VoLTE. /li liGood knowledge of core network protocols: SIGTRAN, ISUP, CAMEL, INAP SIP, Diameter, TCP/UDP, S1AP, GTP/GTPv2, MAP, BSSAP. /li liExperience in trace analysis (Wireshark, Tektronix, network element traces). /li liUnderstanding of NFV framework, VNF context and technologies (virtualisation layer, VIM, VNF managers) and related protocols (MPLS, IPSEC tunnel). /li liAutomation skills with common languages/tools (Python, PowerShell, Ansible, scripting). /li liUnix/Linux OS administration skills. /li liTeam‑working orientation and good communication skills. /li liEnglish (spoken and written). /li liItalian (preferred). /li /ul h3Must have technical / professional qualifications /h3 ul liUniversity degree in Electronics, Telecommunications or Information Technology. /li li1–2 years of experience in core network operations and maintenance. /li liRelevant Nokia core network trainings and certificates or equivalent. /li /ul h3Location /h3 pRome, Italy /p h3Inclusion statement /h3 pWe pursue equality of opportunity and inclusion for all candidates through our employment policies and practices. We recognise and celebrate the importance of diversity and inclusivity in our workspace and do not tolerate any form of discrimination, including but not limited to race, colour, age, veteran status, gender identity, sexual orientation, pregnancy, ethnicity, disability, religion, political affiliation, trade union membership, nationality, indigenous status, medical condition, HIV status, social origin, or marital status. /p /p #J-18808-Ljbffr