Senior VoLTE/IMS Expert

umlaut d.o.o.

Beograd

Beograd: Bulevar Zorana Đinđića 2a

05.08.2021.

Nexus Sigtran SIP ISUP MAP TCP/IP senior

Senior VoLTE/IMS Expert

Ref.Nr: 4248 | Location: Belgrade

yöu

◍ Have master’s degree in electrical engineering, computer science or related discipline
◍ Have 5-7 years of experience related to this position
◍ E2E assessment of telecommunication networks with special focus on IMS network and VoLTE and VoWiFi services
◍ Have excellent knowledge of IMS and VoLTE network design
◍ Have good experience in optimization of IMS/VoLTE, (e.g. parametrization & features) and related procedures such as SRVCC, IMS Registration, Call flows and voice codecs analysis
◍ Have ability to analyze E2E VoLTE signaling traces, using industry standard trace tools, e.g. Tektronix, Agilent, Anritsu, Nethawk, Astellia, Polystar, Nexus, Netscout, Wirehark and TEMS
◍ Have experience with 3GPP standard network protocols in some of the following protocol families: RRC, Layer 3, RANAP, MAP, BSSMAP, DTAP, ISUP, BICC, SIGTRAN, TCP/IP, SIP, RTSP, SCTP, GTP, IP routing protocols, RADIUS, DIAMETER and DNS
◍ Have experience with Network Virtualizations and Cloudifications
◍ Have experience with 5G technology is appreciated with special focus on VoNR and 5GC solutions
◍ Are capable to work independent & in a team, reliable & proactive
◍ Have high degree of customer and quality orientation
◍ Have high flexibility and willingness to travel domestic and international

our öffer

◍ Combining start-up mentality with an international work atmosphere in a multi-cultural environment
◍ Providing audits, analysis, and optimization consulting services to network operators for IMS/VoLTE implementations
◍ Performing detailed analysis of implemented design 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 KPI’s
◍ Analysis and evaluation of measurement data to identify and classify failure patterns of low performing voice (VoLTE and Legacy) and data KPI’s
◍ Analysis and evaluation of measurement data to identify and classify failure patterns of low performing voice (VoLTE and Legacy) and data KPI’s

top 3 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 colorful as our gradient colored coffee marshmallows

üs

umlaut is a 4500+ 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.