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Senior Network Engineer (Fortinet) - Liverpool

AdeccoCity, Liverpool🇬🇧United KingdomPosted 12 Sept 2026

Why This Role Stands Out

This hybrid role offers a fantastic opportunity to leverage your Fortinet expertise in a dynamic environment with strong potential for contract extension and competitive daily rates. If you thrive on complex network challenges and enjoy collaborating with a supportive infrastructure team, you'll find this position both rewarding and engaging. Embrace this chance to make a significant impact and advance your career!

Quick Overview

Seniority
Mid Senior
Employment type
Temporary/Casual
Work mode
Hybrid
Location
City, Liverpool, United Kingdom
Load BalancingTCP/IPDNS

Job Description

Senior Network Engineer (Fortinet)

Up to 470 per day (Umbrella) with Potential Flexibility for the Right Candidate Initial 6-Month Contract (Extension Highly Likely) Liverpool (Hybrid)

Our client is seeking an experienced Senior Network Engineer to join their infrastructure team on an initial 6-month contract, with great potential for extensions.

This is a hands-on engineering role focused on supporting, maintaining, troubleshooting and enhancing a complex enterprise network environment. The successful candidate will play a key role in ensuring the stability, security and performance of critical network infrastructure while supporting both operational and project-based activities.

Location & Working Arrangements

  • Liverpool based
  • Hybrid working model with a minimum of 3 days per week onsite
  • Monday to Friday
  • Free onsite parking
  • Occasional out-of-hours work to support planned changes, maintenance activities and major incidents

Key Responsibilities

  • Provide BAU support, maintenance and proactive monitoring across the network infrastructure
  • Troubleshoot and resolve network incidents, service degradations and outages
  • Perform root cause analysis and implement permanent fixes
  • Administer and support FortiGate firewall environments
  • Implement approved network changes, upgrades and security improvements
  • Work closely with infrastructure, server and security teams to deliver technical projects
  • Maintain high standards of documentation and operational procedures

Essential Skills & Experience

  • Strong hands-on experience administering FortiGate firewalls
  • Security policy management, VPNs, remote access and firewall troubleshooting
  • Enterprise-scale LAN/WAN support and administration
  • Data centre networking experience
  • Routing and switching expertise
  • Strong knowledge of:
    • TCP/IP
    • VLANs
    • DHCP
    • DNS
    • NTP
    • OSPF
    • BGP
  • Network monitoring, diagnostics and performance optimisation
  • Incident investigation and problem management
  • High availability and resilient network architectures
  • Network segmentation and security zoning
  • Disaster recovery and business continuity networking
  • Load balancing and failover technologies

Desirable Certifications

  • Fortinet FCP / NSE
  • CCNP Enterprise
  • ITIL Foundation

Apply

If you are an experienced Network Engineer with strong Fortinet expertise and experience supporting enterprise network environments, we would be keen to hear from you.

Adecco is a disability-confident employer. It is important to us that we run an inclusive and accessible recruitment process to support candidates of all backgrounds and all abilities to apply. Adecco is committed to building a supportive environment for you to explore the next steps in your career. If you require reasonable adjustments at any stage, please let us know and we will be happy to support you.

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