Qureos

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Mid level Network Engineer

Karachi, Pakistan

Overview

We are looking for a Network Engineer with strong foundational networking knowledge (CCNA level) and hands-on experience in building and testing network labs.
The ideal candidate should have experience in configuring and troubleshooting various network technologies, moderate Linux administration skills, and a solid understanding of VPN/IPSec.
Familiarity with scripting and cellular modem configurations will be an added advantage.

This role also involves direct customer engagement, including solution implementation, design discussions, documentation, knowledge transfer, and post-deployment support.

Key ResponsibilitiesTechnical (Must Have)

  • Design, configure, and maintain lab environments for testing different network scenarios (VLANs, trunking, firewalling, VRRP, port channels, DHCP, static & dynamic routing, QoS/traffic shaping, and dynamic DNS).
  • Implement and troubleshoot VPN technologies such as IPSec, DMVPN, site-to-site, and remote access VPNs.
  • Configure and manage SD-WAN solutions — including policies, routing, and performance monitoring.
  • Perform networking-related tasks on Linux systems, including monitoring and troubleshooting.
  • Use tools like tcpdump, SSH, Telnet, and traceroute for diagnostics and network analysis.
  • Support testing and validation of network products and solutions before deployment.
  • Create and maintain network documentation (topologies, configurations, and test cases).
  • Collaborate with cross-functional teams for product testing and performance validation.

Customer-Facing Implementation

  • Engage with customers to understand requirements and propose suitable network designs.
  • Create and present design diagrams and deployment plans showing product integration at customer sites.
  • Conduct knowledge transfer (KT) sessions for customer teams post-deployment.
  • Provide technical support after implementation to ensure smooth operations.

Soft Skills

  • Strong problem-solving and troubleshooting abilities.
  • Capable of working independently or in a team.
  • Excellent documentation and communication skills.
  • Analytical mindset with attention to detail.

Good to Have

  • Experience with shell scripting for automation.
  • Knowledge of cellular networking, modems, and AT commands.
  • Familiarity with Network Monitoring & Management Systems (NMS) such as SolarWinds, ManageEngine, PRTG, and Syslog servers.
  • Exposure to advanced firewalling, load balancing, or multi-vendor WAN optimization.

Skillset Requirements

  • CCNA/CCNP-level understanding of networking concepts and protocols.
  • Intermediate Linux administration knowledge (tools, services, troubleshooting).
  • Hands-on experience with SD-WAN, routing, switching, VLANs, firewall basics, and DMVPN.
  • Experience in setting up and managing network labs for feature testing.
  • Strong understanding of VPNs (IPSec, DMVPN) and secure connectivity.
  • Professional interaction with customers, including design documentation and on-site implementations.

Job Type: Full-time

Location:

  • Karachi (Required)

Work Location: In person

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