Network Engineer

New Yesterday

Job Description

Router/Switch Configuration & Maintenance

  • Hands-on experience with Cisco, Arista, or other enterprise-grade networking equipment.
  • Comfortable performing pre-approved network changes (e.g., VLAN changes, ACL modifications, routing adjustments).
  • Ability to troubleshoot Layer 2 (switching) and Layer 3 (routing) issues.

Firewall & Security – Fortigate Expertise

  • Experience managing Fortigate firewalls (policy changes, VPN configurations, security hardening).
  • Basic understanding of firewall rule management and troubleshooting connectivity issues.

Basic Automation Experience

  • Exposure to Python, Ansible, or Terraform for automating network tasks (e.g., config backups, monitoring).
  • Experience with API-based integrations for network automation is a plus.

Understanding of ARP (Address Resolution Protocol)

  • Deep understanding of Layer 2 communication, how ARP works, and how to troubleshoot ARP-related issues.
  • Ability to analyze ARP tables and detect MAC conflicts or anomalies.


Business Challenge & Impact:


Why Does This Role Exist?

  • Snap’s network is expanding rapidly to support new product features, data centers, and cloud integrations.
  • The gap between the Service Desk and Senior Engineers creates inefficiencies in handling pre-approved changes and network troubleshooting.

How Does This Role Help?

  • More Efficient Troubleshooting – Reduces reliance on Senior Network Engineers for lower-level maintenance.
  • Better Customer Support – Provides an added layer of service for employees experiencing network issues.
  • Improved Network Stability – Ensures regular maintenance, resilience testing, and compliance tracking.


Key Responsibilities & Deliverables:


Arista Cloud Vision Portal (CVP) – Nice to Have

  • Manage tech debt related to Arista’s Cloud Vision Portal (or CVaaS).
  • Ensure best practices are followed for configuration and monitoring.

Network Resilience Testing

  • Conduct failure simulations to validate high availability and failover mechanisms.
  • Provide detailed reports on vulnerabilities and solutions.

Routine Device Maintenance

  • Perform updates and patches on routers, switches, and firewalls.
  • Validate network performance post-maintenance.

Backup & Licensing Management

  • Regularly back up network configurations and test restoration processes.
  • Maintain an up-to-date inventory of network device licenses and compliance records.


Documentation & Reporting

  • Provide monthly status reports on network activities and risks.
  • Maintain detailed documentation for network processes, changes, and compliance.


Ideal Candidate Profile:


Technical Background:

  • 3-5 years of experience in network operations, network engineering, or NOC support.
  • Strong familiarity with enterprise networking environments (preferably supporting large-scale or cloud-native companies).
  • Experience working with network monitoring tools like SolarWinds, ThousandEyes, or NetBox is a plus.


Soft Skills:

  • Customer service mindset – This role involves user-facing network support.
  • Strong documentation & reporting skills – Must keep detailed records of network changes, incidents, and troubleshooting steps.
  • Ability to work cross-functionally – Will collaborate with Service Desk, Senior Engineers, and Security teams.

Location:
City Of London
Category:
Technology

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