Senior Network Infrastructure Specialist

2 days ago


Islamabad, Islamabad, Pakistan People Full time
About the Role

We are seeking a highly skilled Senior Network Infrastructure Specialist to join our team. In this role, you will be responsible for designing, implementing, and maintaining our IP network infrastructure.

Key Responsibilities:
  • To understand the OSI reference model and master the basic principles of TCP/IP protocol.
  • To master the Ethernet/layer 2 switching/VLAN principles.
  • To master the mainstream WAN link (PPP/POS, etc.), the working modes, and application scenarios.
  • To master the principles of OSPF/ISIS/BGP, high-level characteristics, complex application scenarios, route import, route policy principles, and application scenarios.
  • To understand MPLS L3VPN, VPLS/VLL/CCC L2VPN, MPLS TE/Multicast/QoS very well.
  • To understand the basic protocol of network management, master the basic principles of SNMP, and the network management operating system and common database commands.
  • To understand basic network security knowledge.
  • To master the principles of MPLS TE protocol.
  • To master the strategy formulation principles of QoS and the working principles of key technologies.
  • To master the basic theory about high availability (HA) designs and understand typical technology principles (BFD/GR/FRR/FC).
Product Knowledge:
  • Equipment characteristics, essential performance indices, card types, and common networks of typical Datacom equipment (Router/Switch/Firewall).
  • To master simple service configuration (with principle correspondence) on routers/switches as well as debugging.
  • To master upgrading and maintenance knowledge about several typical products.
  • To master the usage of data collection tools, inspection tools, upgrading tools, and long-distance measurement tools.
  • To master the installation methods of typical network management systems and the content and methods of equipment monitoring.
Work Experience:
  • Knowledge of the architecture of P, PE, and RR routers.
  • Must have skills to conduct network diagnostic tests and analyze the results using test equipment at an advanced level.
  • Must have excellent critical thinking, communication, and interpersonal skills.
  • Desired understanding of telecom equipment.
  • L1 & L2 must have extensive experience consulting on issues related to delivering satisfactory network services to customers, including performance, capacity, and reliability.
  • Experienced in resolving technical (hardware, software, and communications) malfunctions.
  • Ability to conduct root cause analysis in case of problems and the ability to recreate problems in a lab environment when requested.
  • Must be experienced in scheduling and executing various planned hardware/software changes.
  • 3 years of operations experience in a service provider/telecom type of environment.


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