VoLTE / IMS Engineer
Belgrade
Net Check, dedicated to providing high quality engineering services to the Telecommunications industry for almost 20 years, is continuously expanding its global presence and has recently established a local office in Serbia. For our expert team, we are currently seeking for VoLTE/IMS engineers to complement our team.
Tasks and responsibilities:
- E2E assessment of telecommunication networks with special focus on IMS network and VoLTE service
- Optimization of IMS networks and correlated VoLTE/SRVCC services
- Analysis of IMS/VoLTE E2E signalling
- Reporting and presentations of findings and results
- Collect and analyze customer requirements
- Preferred programming languages: C++, Python, SQL
Your profile:
- University Degree in IT, Telecommunication or other related Engineering,
- At least 5 years experience in Mobile Core,
- 2-3 years of experience related to this position
- Excellent knowledge of IMS network design
- Good experience in optimization of IMS/VoLTE, (e.g. parameterization & features) and related procedures such as SRVCC
- Ability to analyse E2E VoLTE signalling traces, using industry standard trace tools, e.g. Tektronix, Agilent, Anritsu, Nethawk, Astellia, Polystar, Nexus, NetScout, Wireshark, NQDI, TEMS,
- Experience with 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, RADIUS, DIAMETER
- Strong Knowledge of Interfaces: Gb, Ga, Gn/Gp, Gr, Gf, Gi, Gy, Gx, SGs, S1, S6a, S10/S11, S5/S8
- Understanding of Mobile Core CS and PS (IMS core, MME, SGSN, SGW, PGW, GGSN, PCRF, GGSN)
- Capable of working independently, reliable, self-organized and proactive
- Ability to work in a team as well as strong planning, configuration and technical skills
- High flexibility and willingness to travel domestic and international, driving license
- Very good understanding of IP (protocols, RFCs, networking, interoperation EPC/IP),
- Strong end-to-end thinking (services, network, troubleshooting,…)
- Fluent English in spoken and writing, additional language is an advantage (German)
We offer:
- Working in a pleasant and dynamic environment and motivated teams
- Responsible tasks with a creative design framework
- Flat hierarchies with short decision paths
- Flat hierarchies with short decision paths
- We provide our employees with competitive compensation and benefits