Hammer SARL Inc recruits 01 VMSC and Packet Core SME
Hammer SARL Inc
PS Core JOB DESCRIPTION The primary function of this role is to provide expert-level support of Ericsson packet core nodes and PCRF (Huawei vMSE/UPCC). Highly specialized in providing technical & proactive support to the customer network. Escalate & Liaise with Vendors & service providers for 4th line support until resolution. Support the provision of accurate reporting on the network to Ericsson teams, Vendors, and Customer, supplying technical/statistical data as required.
Key tasks and Responsibilities• Perform maintenance, daily health checks and troubleshooting of all packet core and Enterprise data network service nodes ( EricssonMME, Ericsson EPG, PCRF (Huawei vMSE/UPCC), DNS, IPRAN, ENM, OSS ).• Designing, trouble-shooting Core Network platforms and applications that provide Data services.• Interacts with multiple Engineering, Operations & QA teams in designing robust network solutions. • Define technical requirements for core network elements and work effectively solution teams in designing solutions on existing products.• Support deployment of major hardware and software upgrades working with project team to ensure seamless operation as the network architecture evolves. • Work with the Performance teams on assessing the performance and capacity of the platforms and drive corrective actions with stakeholders to resolve any identified degradation.• Identifying improvements in processes, tools and products and establish good working relationship with support organization • Experience working on any of the Packet core network elements such as PGW, PCRF(Huawei vMSE /UPCC), MME, SGW, DNS, AAA, HLR/HSS, DRA etc with vast use of protocol analyzers and troubleshooting tools such as Wireshark.• Perform required maintenance, expansion, and upgrade of H/W & S/W and troubleshoot on escalation.• Integrate new network communication devices, topologies, hardware and protocols into existing network management systems on ongoing basis.• Liaise with Network Engineers within the organization which includes MPLS unit, Charging Units and Radio Access Unit ensuring that all faults are resolved.• Responsible for providing input to the planning to ensure robust design and redundancy, performance tracking and statistical KPI analysis for long term strategic evolution of the network.• Maintain End to end internal Data security on the Packet Core / Enterprise Data Network.• Continual Constructive criticism of existing infrastructure with visible plans for improvement.• Ensure Key deliverables are met: MTTR, Availability.• Document user support activity, such as system problems, corrective actions, resolution status and completed equipment installations. • Interpret Customer’s Business Needs and Articulate/Demonstrate How Ericsson’s ICT Services Can Benefit the Customer and Address Their Needs.• Troubleshooting Packet switching network, signaling, telecom standards and implementation and maintenance for IP Network & Packet Core equipment: PGW_SGW etc.• Physical troubleshooting of Packet Core nodes and involved in changing specific hardware parts if any fault is developed• 2nd level support for GPRS nodes from UE to the internet on the network.
Technical Competencies• Strong understanding of general Packet Core solutions for 2G, 3G and LTE• Knowledge of Packet Core Nodes like SGSN-MME, GGSN, PCRF(Huawei vMSE/UPCC),, SGW/PGW• Understanding of dimensioning guidelines for Packet Core Nodes• GPRS, WCDMA, LTE Media and Signaling Interfaces (including 3GPP and non 3GPP)• Strong knowledge of wireless technologies (call flow), related protocols and telecommunication standards like 3GPP• Strong knowledge of Linux scripting.
Key personal traits• Ability to multitask, and cope with a dynamic environment where priorities are constantly revised to keep pace with a highly competitive industry
Education• BSC/HND within Electrical Engineering, Telecommunication Engineering, Computer Science, Computer Engineering, Physics, or equivalent.• Relevant certifications like CCNA, CCNP, CCIE, MTA, MCSA etc is an added advantage.
Dernier délai : 25 Juin 2021
Prise de fonction : 01 Juillet 2021
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Type de contrat : période d’ essai de 3 mois.
Mail : email@example.com
Tél : 00229 96 49 82 69.