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Network engineer

Slough
Jr United Kingdom
Network engineer
Posted: 27 August
Offer description

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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.

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.
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