Core & IMS Learning-Amir Magdy
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Committed to Excellence in Mobile Core Networks
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- 6 мая🛠️ We’re Hiring: PS Core Performance Engineer (EPC / 5GC / IMS) 📍 Location: Riyadh, Saudi Arabia 🕒 Job Type: Full-time We are looking for an experienced Core Performance Engineer to analyze and optimize EPC/5GC & IMS Core network performance, identify root causes of degradations, and provide technical recommendations to improve customer network performance. 🔧 Key Responsibilities: • Analyze EPC/5GC & IMS Core network performance and troubleshoot degradations • Perform on-demand analysis for complaints and performance issues • Develop KPIs, counters, dashboards, and reporting use cases • Recommend tuning and optimization actions for Core network nodes • Support customer workshops, presentations, and technical discussions • Collaborate with teams to enhance tools and Big Data use cases 🧠 Requirements: • Strong knowledge of 5G Core, EPC, IMS, and VoLTE architectures • Experience with signaling protocols: Diameter, GTP, PFCP, SCTP, MAP, TCP/IP • Understanding of telecom interfaces: S1, S11, S5, S6a, Gx, Gy, N1/N2/N3/N4, Rx, Ro, etc. • Experience with vendor tools and Core network equipment • Knowledge of 5G SA/NSA is highly preferred • Understanding of E2E telecom architecture and IP routing concepts 📩 Apply now: omniaelshamy@sis.net.sa #Hiring #5GCore #IMS #PacketCore #VoLTE #TelecomJobs #CoreNetwork #Ericsson #Diameter #GTP #NetworkPerformance #RiyadhJobs #SaudiArabiaJobs #PSCore #STC #Mobily0,44%
- 28 янв.Job Title: Core Network Engineer – CS/PS (VoLTE, VONR, 5G NSA/SA) Experience: 4–5+ Years Location: [Kuwait] Employment Type: Full-time Job Description We are looking for an experienced Core Network Engineer (CS/PS) with strong exposure to VoLTE and working knowledge of 5G NSA and SA architectures. The candidate will be responsible for design, integration, operation, and optimization of core network elements supporting LTE and 5G services. Key Responsibilities • Operate and maintain CS & PS Core network elements (MSC, MGW, HLR/HSS, SGSN, MME, SGW, PGW). • Support VoLTE architecture, call flows, and troubleshooting across EPC and IMS domains. • Work on 5G NSA integration with LTE EPC and awareness of 5G SA core (5GC) concepts. • Perform end-to-end service troubleshooting for voice, data, and signaling issues. • Analyze KPIs, logs, and traces to identify and resolve network issues. • Support network upgrades, migrations, expansions, and vendor activities. • Coordinate with RAN, IMS, Transmission, and IT teams for service assurance. • Ensure network stability, availability, and performance. Required Skills & Experience • 4–5+ years experience in Core CS/PS networks. • Strong knowledge of LTE EPC and VoLTE call flows. • Experience with MME, SGW, PGW, HSS and CS elements (MSC/MGW). • Good understanding of IMS architecture (CSCF, TAS, SBC – awareness level acceptable). • Working knowledge of 5G NSA and familiarity with 5G SA / 5GC components (AMF, SMF, UPF). • Hands-on troubleshooting using Wireshark, traces, KPIs, alarms. • Experience with major vendors (Huawei). Nice to Have • Experience in 5G SA trials or commercial rollout. • Knowledge of Cloud-native core / NFV / Kubernetes. • Scripting or automation exposure. Please apply on CoreCSPS.hiring@gmail.com On the mail subject please mention Nationality + years of experience + domain Core CS or PS Otherwise the CV will not be considered #CoreCS #CorePS #Newhiring #5GCore #Experince #Newopportunity #Kuwiatcorehiring0,28%
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- 29 мар.📍 Location: Riyadh, Saudi Arabia 🕒 Job Type: Full-time Job Title: Mobile Core Performance Engineer Responsible for analyzing, monitoring, and optimizing Mobile Core Network performance across CS, PS, IMS, and IN domains to ensure SLA and KPI targets are achieved. 🔧 Key Responsibilities: • Analyze Core Network KPIs and performance (CS/PS/IMS/IN) • Perform capacity audits, trend analysis, and forecast network growth • Conduct Root Cause Analysis for network degradations and performance issues • Monitor international KPIs (NER, ASR, MOS, Jitter, Packet Loss, Delay) • Prepare SLA, governance, and performance reports • Support network dimensioning, upgrades, and expansion activities • Configure and maintain performance statistical alarms • Support special events planning (Hajj, Ramadan, etc.) • Develop reports and dashboards using ENIQ, Business Objects, and performance tools 🧠 Technical Requirements: • Strong experience in Ericsson Mobile Core Performance • Core nodes: MSC, MGW, STP, IMS, SGSN, MME, GGSN, PGW, PCRF, IN (SDP, CCN, AIR, IVR) • Signaling protocols: SS7, MAP, CAP, ISUP, BICC, SIP, Diameter • Experience with ENIQ, ENM, Business Objects, Anritsu MasterClaw • Strong SQL, Unix Shell scripting, and database analysis skills • Knowledge of telecom interfaces and call flows (CS/PS/IMS/IN) • Experience in KPI reporting, forecasting, and performance optimization 🎓 Requirements: • BSc in Telecommunications Engineering or related field • 2 years of experience in Mobile Core Performance 📩 Apply now: omniaelshamy@sis.net.sa #Hiring #MobileCore #CorePerformance #Ericsson #ENIQ #ENM #TelecomJobs #IMS #PacketCore #SS7 #Diameter #RiyadhJobs #SaudiArabiaJobs #TelecomEngineering #NetworkPerformance0,00%