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

• 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)

Scripting knowledge (Linux, Python, Ansible)

• Hybrid way of working: 2 days per week/ 8 per month
• Medical and dental services
• Life and hospitalization insurance
• Dedicated employee phone subscription
• Take control of your benefits and choose any of the below options: meal tickets/private pension/vacation vouchers/cultural vouchers within the budget
• Special discounts for gyms and retailers
• Annual Company Bonus
• Ongoing Education – we continuously invest in you to ensure you have everything needed to excel on the job and enhance your skills
• You get to work with tried and trusted web-technology
• We let you write your own story by planning vacations: go for a trip, experience new things, have fun and enjoy your 23 days off
• Special Paternal Program - 4 months of paid paternity leave