More jobs:
MS Core and Cloud Specialist
Job in
Riyadh, Riyadh Region, Saudi Arabia
Listed on 2026-01-13
Listing for:
Fircroft
Full Time
position Listed on 2026-01-13
Job specializations:
-
Manufacturing / Production
Systems Engineer
Job Description & How to Apply Below
PS Core Network Engineer
Job Description:We are looking for an experienced
PS Core Network Engineer to ensure the optimal performance of our network operations. The successful candidate will be responsible for daily monitoring and troubleshooting of systems while implementing improvements to meet our service objectives.
Key Responsibilities:- Health Monitoring: Perform daily health checks and monitor alarms on PS Core nodes, including MME, SGSN, GGSN, EPG, PCC/PCG, SAPC, and SMF/UPF.
- Troubleshooting: Identify, troubleshoot, and resolve network faults, capacity issues, and performance degradation.
- Session Management: Manage subscriber sessions, PDP contexts, bearer handling, and IMSI tracing.
- Configuration: Implement new APNs, IMSI ranges, rating groups, and QoS profiles. Configure PCC rules, PDR/QER/FAR/URR policies, and integrate with PCRF/SAPC.
- DNS Management: Manage DNS/NAPTR/SRV configurations for IMS and EPC services.
- Integration Support: Support the integration of new PS Core nodes (vEPG, vMME, vUPF on cloud/Kubernetes).
- Software Management: Plan and implement software upgrades, patches, and capacity expansions.
- KPI Analysis: Analyze KPI trends such as attach success, bearer setup, handover success, latency, and throughput.
- Automation Development: Develop and maintain scripts (Bash, Python, Expect, AWK) for log parsing, KPIs, and automation.
Competencies:
- Strong knowledge of the PS Core portfolio: SGSN‑MME, EPG (GGSN/PGW/SGW), PCC/PCG, SAPC, DRA, SMF/UPF.
- Understanding of 2G/3G/4G/5G call flows (Attach, TAU/RAU, Handover, Session Management).
- Proficient in relevant protocols: GTP‑C/U, Diameter, Radius, HTTP/2, SIP, SCTP, TCP/UDP/IP.
- Familiarity with virtualization technologies (VMware, Open Stack, Kubernetes, Docker).
- Hands‑on experience with CLI (gsh, vshell, epg, PCC).
- Proficiency in OSS/BSS integration, Net Act, ENM, ENIQ, and Wireshark.
- Strong analytical and problem‑solving abilities.
- Capacity to work under pressure and manage high‑priority incidents.
- Excellent communication and documentation skills for cross‑team collaboration.
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