Senior Network Engineer

 

Description:

We are looking for a highly experienced Senior Network Engineer – Network Operations & Architecture

to support a global multi-site enterprise network infrastructure. The role focuses on advanced troubleshooting, architecture validation, and L3 escalation support for critical network operations.

The ideal candidate will act as the technical escalation point for complex incidents, collaborate with customer IT teams, monitoring teams, and OEM vendors, and contribute to network scalability, performance optimization, and infrastructure reliability.

 

➡️ Key Responsibilities

Network Operations & Incident Escalation

• Act as L3 escalation engineer for critical network incidents.

• Lead troubleshooting of complex issues related to:

• Firewalls

• Core/distribution switching

• Wireless infrastructure

• WAN connectivity

• Coordinate with OEM vendors for advanced troubleshooting.

 

Network Architecture & Design Validation

• Review and validate enterprise network architecture designs.

• Provide recommendations on:

• Network segmentation strategies

• WAN architecture and failover

• Routing protocols

• IP addressing and IPAM

• Wireless architecture and roaming optimization.

 

Change Management

• Approve and review network configuration changes including:

• VLAN modifications

• VPN configuration

• QoS policy implementation

• Inter-site routing changes

• Ensure all changes follow approved change management processes.

 

Capacity Planning & Optimization

• Analyze network capacity and utilization trends including:

• WAN bandwidth utilization

• Switch port usage

• Wireless AP capacity

• Provide recommendations for network scaling and performance improvement.

 

Security & Compliance

• Support implementation of:

• Network security best practices

• Firewall policy validation

• Secure segmentation models.

 

Reporting & Stakeholder Interaction

• Participate in quarterly service reviews and architecture discussions.

• Provide technical documentation and advisory recommendations.

 

➡️ Required Technical Skills

Networking

  • BGP, OSPF, VRRP
  • VLAN, VXLAN
  • MPLS / WAN
  • QoS
  • IPsec VPN

 

Security

  • Firewall policy design
  • Network segmentation
  • Secure routing practices

 

Wireless

  • Enterprise Wi-Fi architecture
  • RF planning fundamentals
  • Roaming optimization

 

Monitoring Tools

  • SolarWinds
  • PRTG
  • Datadog
  • Nagios

 

➡️ Preferred Technology Experience

Experience with enterprise networking platforms such as:

  • Juniper SRX Firewalls
  • Juniper EX Switching
  • Cisco Enterprise Switching
  • Cisco / Meraki Wireless
  • Juniper Mist

 

➡️ Preferred Certifications

  • CCNP Enterprise
  • CCNP Security
  • JNCIP / JNCIS
  • CWNA (Wireless)

 

➡️ What We’re Looking For

  • Strong troubleshooting and analytical mindset
  • Experience working in enterprise or global network environments
  • Ability to lead incident resolution and technical escalations
  • Strong documentation and communication skills
  • Experience working with cross-functional teams and vendors

Organization VinnCorp
Industry IT / Telecom / Software Jobs
Occupational Category Senior Network Engineer
Job Location Karachi,Pakistan
Shift Type Morning
Job Type Full Time
Gender No Preference
Career Level Intermediate
Experience 2 Years
Posted at 2026-03-09 8:10 am
Expires on 2026-04-23