Junior 2nd Line Core Enabler Operations

Provide troubleshooting and repair actions during incidents, including vendor escalation, to restore service performance. Conduct proactive maintenance activities such as daily walkthroughs and health checks for Packet and Voice Core components. Resolve network-related customer complaints within SLA, including tracing and debugging across Packet/Voice Core elements (AAA, PCRF/NPC, DSR/DRA). Perform complex traffic and end-to-end service trend analysis, including protocol analysis. Share knowledge to enhance technical skills across teams and support onboarding of new technologies through vendor and on-the-job training. Assist with planned work activities, upgrades, and service request implementations to maintain quality and avoid regressions. What skills you will learn Advanced troubleshooting and protocol analysis across complex mobile networks. Integration and upgrade processes for Packet and Voice Core components. Strong understanding of mobile core protocols (TCP/IP, UDP, SCTP, GTP, Radius, Diameter, LDAP, SIGTRAN, RANAP, GMM). Skilled in end-to-end Packet Switch network analysis, troubleshooting, and interpreting traces (Wireshark, network element logs). Good knowledge of mobile network architectures (2G/4G/5G, VoLTE, NB IoT) and experience with major vendor technologies (Nokia, Ericsson, Cisco, Huawei, ENEA). Eager to learn and adapt to new technologies. Excellent communication skills and proficiency in English (spoken and written). University degree in Electronics, Telecommunications, or Information Technology. Hands-on experience with Packet/Voice Core elements (AGW, EPG, AAA, NPC/PCRF, DSR/DRA). Not a perfect fit? Worried that you don't meet all the desired criteria exactly? If you're excited about this role but your experience doesn't align exactly with every part of the job description, we encourage you to apply as you may be the right candidate for this role or another role, and our recruitment team can help you see how your skills fit in.