Core & IMS Learning-Amir Magdy

🛠️ 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 #Mobily

📍 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 #NetworkPerformance

Senior Packet Core Engineer A Packet Core Engineer works with the core network components of mobile and data networks, in the context of 2G,3G 4G, 5G, and other communication technologies. The role typically involves configuring, maintaining, and troubleshooting packet core network components. Work experience with minimum 3 years in the field. Below are the required knowledge and skills for a Packet Core Engineer: A Packet Core Engineer should have a blend of both theoretical knowledge and practical experience in managing and troubleshooting modern packet core networks, along with an understanding of mobile communication technologies. Good knowledge for Packet Core Signaling scenarios ,GPRS,vEPC,DNS, DHCP, and NAT. Good knowledge for differnet Packet Core node functions is a must. Good knowledge of network cloud and virtualization ,Understanding of virtualizing network functions and deploying them on cloud platforms. Good knowledge of network security. Good knowledge for networking TCP,UDP,VLANs, VPNs,IPv6 and QoS. If you have the required profile please send your CV to amostafa55@gmail.com and add Packet Core Engineer in the mail Subject. BR,

🚀 We Are Hiring – IN BC Engineer We are looking for a skilled IN Business Configuration Engineer (Back Office) to join our team. 🔹 Key Responsibilities: - Review & test LLDs received from design teams before live deployment - Deploy and validate configurations on live network - Handle BC tickets & customer complaints (RTTS) - Perform PAT and validate changes from different project teams - Configure SMS & Voice short codes (CBU / EBU / Business teams) - Charging system configuration (AIR, SDP, Rating, Policy, SDD, etc.) - 2nd level troubleshooting & disturbance investigation - Design & implement tariffs and service classes - Performance analysis & reporting 🔹 Technical Requirements: Strong experience in Ericsson Charging System (SDP, AIR, OCC, CCN, VS, ECMS, IVR, NgCRS) Solid knowledge of IN Business Configuration & Tariff handling Linux Administration & Unix Shell scripting Oracle Database Administration Good understanding of GSM/WCDMA & Core Network concepts Knowledge of network integration, routing & traffic handling 🔹 Skills: Analytical mindset with strong troubleshooting skills Ability to work under pressure and tight timelines Strong communication skills 📩 If you’re interested or know someone who fits this role, feel free to reach out or share your CV via MElTahawy@sisgloba.net #Hiring #INEngineer #Telecom #Ericsson #ChargingSystem #BackOffice #Telecommunications

We are hiring: CS/IMS Core Engineer 📍 Location: 6th of October 💼 Experience: 2+ years Requirements: Knowledge of IMS/SBC and CS Core (MSC, MGW, HSS, STP, DRA). Understanding of SS7 signaling & telecom protocols (SIP, DIAMETER, ISUP, BICC). Good knowledge of mobile call flow (Call, SMS, Handover, CSFB, SRVCC). Experience with routing, B-number analysis, and troubleshooting. 📩 Send your CV to: cv@sky-grp.com Subject: CS Core

🚀 Join the Global Service Resource Center (GSRC) at Huawei! We are looking for top-tier talent to drive the next generation of connectivity. Whether you are a Fresh Graduate eager to launch your career or an Experienced Expert ready to lead, we have a place for your ambition. 🌐 Open Domains & Roles We are scouting talent across these key technical pillars: RF (Radio Frequency): RF Planning, Optimization, and Performance Management. Wireless: 4G/5G RAN, Massive MIMO, and Site Integration. IP & Datacom: Routing, switching, SD-WAN, and Network Security. Core Network: 5G Core (5GC), Cloud-Native (NFV/SDN), and IMS signaling. Software Engineering: Microservices, AI integration, and Scalable System Design. 📍 Location: Smart Village, Egypt 🏢 Department: GSRC 📩 How to Apply Please send your updated CV directly to: 📧 thaahmed89@gmail.com Subject Line: [Domain] - [Fresh/Expert] - [Your Name] 📢 Help your network grow! If you know a talented engineer or a promising graduate, please Like and Share this post. Let’s connect the best talent with world-class opportunities. #Huawei #GSRC #Hiring #RFEngineering #Wireless #Telecom #SoftwareEngineering #IPNetworking #CoreNetwork #EgyptJobs #TechCareers

5GC – IMS Voice & Messaging QA Engineer Required in Germany, Dusseldorf! 📢 - 3 month extendable contract based in Dusseldorf Requirements; - Strong experience in IMS deployment & testing, preferably with Mavenir IMS - Solid understanding of IMS call flows is mandatory, particularly for Voice and SMS services If interested please send a copy of your cv to kimberly.hume@tanint.com or reach out for more info! 📧 T: +44 1277 635881 ☎ #HIRING #IMS #5GC #Germany #ContractJobs #TangentJobs

We are hiring a Team Leader with telecommunications experience to start as soon as possible. We are seeking a dynamic leader with a strong background in telecommunications to join our team. Requirements include: - Telecommunications experience is a must - Proven leadership skills - Extensive telecommunications experience - Excellent communication and problem-solving abilities - Ability to manage and motivate a team effectively If interested, please send your CV to beshoy.nessem@eclerx.com.

We are Hiring " *Converged PS Core network Engineer* " to join our team Location : Smart Village , Egypt +3 years of proven experience in PS Core network operations and maintenance as Second-Level Operations. -BSc. in Communication and Electronics Engineering. -Strong understanding of 3GPP standards and related protocols. -Clear understanding for PS Core network nodes Configuration and troubleshooting (SGSN,GGSN,DPI,ePDG,MDO,DNS,AAA, vEPC (vMME/SGSN,vSGW/PGW)) -Clear understanding of Network topology and its various interfaces (S1, S5, S10, S11, Gx, Gy, Ga etc) -Clear understanding of DPI solutions Configuration and troubleshooting. -Solid understanding of virtualization and cloud‑native technologies. -Good knowledge about Network archticture / interfaces ( 2G, 3G, 4G and 5G ). -Good knowledge about mobility & session management (Attach, TAU, Handover, PDP). -Good knowledge about monitoring/alarming/fault management systems (U2020,NCE,NETSCOUT,NNM,.. ). -Good troubleshooting skills with the ability to resolve complex issues efficiently. -Good to have knowledge in IP Network – Routing and Switching -Good to have experience in Unix & Linux administration Please send your CV to " paulafadl789@gmail.com " Subject : PS Core Engineer

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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 #Kuwiatcorehiring

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Project Manager – Telecommunications Engineer A company specialized in the telecommunications field, located in 6th of October City, is seeking to hire a: Project Manager (Telecommunications Engineer) Requirements: • A Telecommunications Engineer with strong project management experience. • Minimum of 2 years of experience as a Project Manager. • A total experience of at least 8 years in the telecommunications field. • Preferably has experience working on Huawei projects and good knowledge of Huawei systems and procedures. • Strong ability to manage, monitor, and deliver projects effectively. • Excellent communication and coordination skills between different teams and departments. • Experience dealing with government entities or major telecom companies is a plus. What We Offer • Competitive compensation package. • Growth and development opportunities. • Exposure to major telecom projects. • Supportive and professional work environment. To apply, please send your CV to WhatsApp: 01123935386 Or via email salma.m@telesupport.com.eg Please mention the job title in the email subject line.

📢 We Are Hiring – Performance Monitoring Core Engineer 🏢 Company: Trio Services (Subcontractor for Ericsson) 📍 Location: Smart Village We are looking for a motivated Performance Monitoring Core Engineer to join our team and support the monitoring and enhancement of our core network performance. 🔧 About the Job • Monitor the IMS, Voice Core, VAS, PS, and RAN KPIs across all vendor networks, analyzing any degradation or abnormalities. • Perform basic troubleshooting to resolve detected issues. • Follow the pre-agreed escalation process for unresolved problems. • Prepare benchmarking reports to compare network performance before and after CR implementations. • Handle special events monitoring (Eid, holidays, weekends, etc.) to ensure network stability. • Conduct daily and weekly health checks. • Generate daily operational reports. • Work with Performance Management tools for KPI monitoring and reporting. 🎓 Qualifications ✔ Bachelor’s degree in Telecommunication Engineering ✔ 1 year of experience in performance monitoring ✔ Basic knowledge of software/scripting, MS Excel (Macros), SQL, etc. ✔ Strong analytical and reporting skills 📩 How to Apply Send your CV to: cvs@trio-telecom.com Please mention “Performance Monitoring Core Engineer” in the subject line.

I am urgently looking for a CS/IMS core engineer based in an African country: Have experience for Huawei core network CS&IMS ,can deliver the engineering project ,also can support in maintenance project when E2M . Please share your updated cv to lola.liu@tanint.com

We are looking for a Performance Engineer to join our team and support the optimization and monitoring of our mobile network. The ideal candidate must be Egyptian and have solid hands-on experience with Nokia OSS, along with a strong understanding of radio network performance, KPIs, and troubleshooting methods. Key Responsibilities: • Monitor daily network performance, identify degradations, and drive corrective actions with the relevant teams. • Analyze 2G/3G/4G/5G KPIs and produce clear reports highlighting trends, anomalies, and improvement opportunities. • Work directly on Nokia OSS (NetAct) to extract counters, build custom reports, and validate network configuration changes. • Follow up on network updates, parameter changes, and new feature activations to assess performance impact. • Support optimization activities such as tilting, neighbor planning, load balancing, and call trace analysis. • Coordinate with field, operations, and planning teams to ensure consistent performance across all regions. • Document findings and participate in regular performance review meetings. Required Qualifications: • Egyptian nationality is mandatory. • Minimum of 2 years of experience in telecom performance or optimization roles. • Strong background working with Nokia OSS / NetAct (essential). • Good understanding of GSM / UMTS / LTE technologies (5G experience is a plus). • Ability to analyze large datasets and prepare performance reports. • Familiarity with counters, KPIs, and common troubleshooting methods. • Strong analytical mindset and problem-solving ability. • Good communication skills and ability to work under pressure. Preferred Skills: • Experience with drive test analysis or network planning tools. • Knowledge of SQL, Python, or Excel automation (optional bonus). • Previous experience in operator or vendor environments. How to Apply: Please send your CV to: 📧 cv.apply.2022@gmail.com Subject: Performance Engineer

📡 Hiring: IMS Operations Engineer 📍 Ericsson Egypt 💼 BO / Managed Services – #IMS & Core Operations 🔧 What You Will Do : -Act as #Second Line MS Engineer for IMS, CS, UDC, and Fixed networks. -Support integration and acceptance of new nodes and projects. -Provide technical solutions for configuration, hardware, and service issues within agreed SLAs. -Perform specialized #troubleshooting for IMS/CS/UDC/Fixed products. -Ensure fast and accurate responses during crises and major incidents. -Handle CSRs end-to-end with customer support teams. -Verify new planned solutions and review project documentation (HLD, LLD, ATP). -Validate test cases and ensure correct applicability to the current #network setup. -Perform service migrations and node onboarding with zero/minimal impact. -Lead major troubleshooting cases involving other domains (e.g., #EPC). -Conduct periodic auditing of license-controlled nodes to detect traffic growth or changes. 🧠 Requirements : -Bachelor’s degree in Communication Engineering. -Excellent knowledge of 2G/3G/LTE/IMS/EPC architecture, protocols, and signaling flows. -Strong understanding of #3GPP standards and protocols, such as: SIP, Diameter, BICC, SIGTRAN, CAMEL, MAP, etc. -Hands-on experience with #Ericsson CS, IMS & UDC nodes, including: MSC, STP, DSC, SBG, CSCF, MTAS, IPWORKS, EME, HLR, HSS, CUDB, UPG… -Very good command of English (written & spoken). -Proficient in Microsoft tools (Excel, Word, Outlook). -Ability to work morning, noon, and night activity windows. -Strong soft skills: teamwork, communication, accountability, customer focus, problem-solving, and pressure handling. -Any programming knowledge is a plus — Python preferred. 📩 How to Apply Send your CV to: 01103429920 Subject: IMS Operations Engineer – Your Name

A multinational telecommunication company located in Cairo is looking for Egyptian junior engineers with the following requirements: Essential Qualifications: Fresh graduate with BSc. degree in the telecommunication engineering. 0 to 1 years of experience in mobile or network field. Aware of mobile network structure and site connectivity. CCNA and Mobile package knowledge is required. Strong communication and Microsoft Office skills. Strong analytical thinking skills. Programming skills is preferred. Clear military status. Please send your CV to ( ahmedez2001@yahoo.com) with mail subject "RAN Engineer CV 2026- University Name xx - Graduation year xx"