EPC Core Network Engineer at Proten

    Lagos State
    Posted 7 months ago

    Job Roles and Responsibilities

    • Maintain packet switching core nodes (SGSN, GGSN, MME, SGW/PGW, CG, and Switch) and resolve UE browsing issues.
    • Handling technical queries, technical presentation and root cause analysis.
    • Back Office support, Alarm monitoring, problem identification and resolution.
    • Designed EPC packet switched core network topology and planned IP address/VLANs for new build LTE network.
    • Monitoring and analysis of PS core Performance KPIs for any complex issues in the network.
    • Analysis of traffic measurements, success rates and other PS KPI performance.
    • Integration of BSC, RNC, eNodeB, HSS, OCS, PCRF with PS core network nodes.
    • PS projects implementations and support for operator networks.
    • STP and DRA Swap project.
    • Designed the EPC packet-switched core network topology and planned IP address/VLANs for new build LTE network.
    • Commissioned and configured SGW/PGW, MME and CG and achieved end to end first call.
    • Configured and integrated LTE network with already existing 2G and 3G Network.
    • Performed software upgrade, license loading and rectifications on Huawei SGSN, GGSN and CG to enable interoperability between the GPRS/UMTS and LTE nodes.
    • Strong Knowledge of MME, SGSN, SGW, PGW, GGSN, PCRF, VoLTE, CG, DNS, URL Server, OCS
    • Strong Knowledge on Protocols: BSSAP, RANAP, GTP, MAP, SCTP, Diameter, SGSAP, S1AP, RADIUS
    • Good Knowledge on Interfaces: Gb, Ga, Gn/Gp, Gr, Gf, Gi, Gy, Gx, SGs, S1, S6a, S10/S11, S5/S8, GGSN, SGW, PGW , SGSN, MME, CG, DNS, Switch, Firewall, SPS, HLR/HSS, PCRF
    • KPIs Analysis: Mobility, Accessibility, Retain ability, Availability, etc

    Qualification Requirements

    • Minimum of 4 years relevant work experience in a related field
    • Graduate in Computer Science / Information Technology / Networking / telecom.
    • Certification required : CCNP, CCSP, CCDA
    • Working knowledge on Cisco & Huawei network switches and routers.
    • Detailed technical knowledge of L2 & L3 routing, switching protocols.
    • Available to work in 24*7 shift time, on-call support.
    • Analysis and Solution for E2E problems like throughput, accessibility, and mobility.
    • Abilities to evaluate network performance.
    • Good knowledge on CS nodes configuration and parameters (MSC MGW HLR HSS etc), basic and optional features to help to improve the network performance and user experience.
    • Abilities to Planned and Designed HLD/LLD for entire EPC Core.
    • Abilities to Implement Layer7 DPI, Content-Based Charging, service-based traffic shaping, flow-based charging and Bandwidth control.
    • Configuration of Cisco routers and switches.
    • Huawei Routers and Switches.
    • Strong Knowledge of routing protocols such as static, ospf, isis, bgp, mpls,l2vpn.
    • Hands on Huawei PS Core equipment’s and Cisco Routers.
    • Availability to system 24X7 for any issue resolution and willing to learn further+

    N200,000 – N250,000 Monthly

    Method of Application

    Interested and qualified? Go to Proten on docs.google.com to apply

    Apply Online