EPC Core Network Engineer at Ascentech Services Limited

EPC Core Network Engineer at Ascentech Services Limited, Interested and qualified candidates should see the job details and apply.

Ascentech Services Limited

Ascentech Services Limited is a full-fledged Human Resource Solution Provider incorporated in 2013 with its Head Office in Lagos, Nigeria. We are committed to forging long-term partnerships with our clients by creating and delivering robust and flexible services that address the changing needs of their business.

We are recruiting to fill the position below:

Job Title: EPC Core Network Engineer

Location: Lagos
Job Type: Full Time

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

• B.Sc. in Computer Science / Information Technology / Networking / telecom.
• Minimum of 4 years working 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.

Application Closing Date
25th September, 2020.

How to Apply
Interested and qualified candidates should kindly send their CV to: [email protected] using the “Job Title” as the subject of the mail.

Note: Only shortlisted candidates will be contacted.