Lorache Group Network Security Engineer Jobs in Nigeria
Lorache Group Network Security Engineer Jobs in Nigeria
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
Analysis and Solution for E2E problems like throughput, accessibility, and mobility.
Abilities to evaluate the 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.
Requirements
Graduate in Computer Science / Information Technology / Networking / telecom.
From 4 - 5 Years of experience
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.
How to Apply
Interested and qualified candidates should send their CV to:
lorachevacancy@gmail.com using the Job Title as the subject of the mail.
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