Packet core Engineer

Position title
Engineer/Sr. Engineer-Packet Switch Core

Job description

The primary function of this role is to provide expert-level support of Ericsson packet core nodes. 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 (MME, MPG, PCRF, DNS ).
  • 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, 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, 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





  • 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.
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Position: Engineer/Sr. Engineer-Packet Switch Core

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