PS Core/EPC Network Expert

yöu

◍ Master’s degree in electrical engineering, computer science, information technology or related discipline
◍ At least 5+ years of NW Architecture related working experience
◍ Excellent troubleshooting skills, good overview on operational aspects of mobile communication networks
◍ Technical analysis capabilities of mobile networks (LTE, WCDMA, GSM, 5GC, WIFI or similar) with focus on PS core call flows
◍ Experience in L2 (Spanning tree, M-lag, Eth-trunk, VLAN, etc.) and L3 switching /routing (IPv4/6, OSPF, ISIS, BGP, MPLS), VxLAN, SDN
◍ Excellent knowledge of packet core nodes charging (Gx, Gy, GTPCv1/v2, GTPUv1, RANAP, IUPS, Diameter, S1AP, PFCP)
◍ Good knowledge of 5GC newly nodes like NRF, NEF, NSSF, SEPP, BSF/SCP and features like slicing, CAFIP
◍ Excellent knowledge about DNS flows and features like ECS, eDNS and TCP, QUIC to troubleshoot slow start & low throughput issues
◍ Good knowledge different virtualization layer Openstack, vmware vEPC deployment
◍ Knowledge in analyzing, designing, dimensioning, rollout, auditing and optimization of core network elements
◍ Capable to work independent and in a team, reliable & proactive
◍ High degree of customer and quality orientation
◍ High flexibility and willingness to travel
◍ Fluency in written and spoken English

our öffer

◍ Start-up mentality combined with an international work atmosphere in a multi-cultural environment
◍ Provide design, planning and operational consulting services to network operators with different core network implementations and radio access technologies
◍ Perform detailed analysis of designs and concepts of complex communication networks
◍ Analysis and evaluation of measurement data to identify and classify failure patterns of low performing voice (VoLTE and Legacy) and data service KPI’s
◍ Conduct end to end analysis and optimization of packet core network parameters, features and configuration
◍ Support network operators in the migration from conventional to modern telecommunications networks
◍ Create visually compelling presentations of the results, project status, actions and recommendations

top 5 reasöns

1. Innovative projects with big name clients and exposure to future, cutting edge technologies
2. Unlimited individual growth opportunities and the ability to create a personalized career path
3. Access to a global network with opportunities to live and work abroad
4. +X: A team spirit and family-like culture as exciting and colourful as our gradient coloured coffee marshmallows

üs

umlaut is a 4200+ people strong global full service cross industry end-to-end partner that applies its deep-running interdisciplinary, collaborative advisory and fulfilment capabilities to change its clients fortunes for the better and - on top of that - add value, quality and focus to their organisations and produce.

cöntact

Boban Pavlovic
+ 381 (0) 62 72 72 72

Miljana Pejatovic
+ 381 (0) 62 73 73 73