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Network Engineer- Security focus, Outside IR35, onsite.

Network Engineer- Security focus, Outside IR35, onsite.

On site

Heathrow, United kingdom

Freelance

15-01-2026

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Skills

Network Security Firewalls

Job Specifications

£375 a day, Outside IR35, 3 months with potential extension, 5 days onsite in West London
Network Engineer - Network & Security Infrastructure
Role Overview
The Network Engineer will be responsible for designing, modifying, and implementing network and security configurations across existing and new infrastructure. The role focuses on hands-on configuration, testing, and deployment of Fortinet and Cisco-based network environments.
Key Responsibilities
Design, write, and validate configurations for:
Fortinet SD-WAN solutions
Fortinet Firewalls
Cisco Nexus Switches
Cisco LAN and Wi-Fi infrastructure
Modify and optimize configurations on existing network equipment.
Prepare and implement configurations for new network hardware.
Load configurations onto network devices and perform validation testing.
Support network changes, cutovers, and migrations.
Implement general routing and switching configurations.
Design and apply Firewall and network security policies.
Troubleshoot configuration-related issues during and after implementation.
Create and maintain accurate technical documentation.
Support project timelines and work closely with the Project Manager.
Required Skills & Experience
Strong hands-on experience with:
Fortinet SD-WAN and Fortinet Firewalls
Cisco Nexus platforms
Cisco LAN and Wi-Fi networks
Solid understanding of routing and switching protocols.
Experience in Firewall and security design.
Proven ability to write, load, and validate network configurations.
Experience working on live production networks.
Skills:
Fortinet SDWAN
Fortinet Firewalls
Cisco Nexus
Cisco - Wi-Fi-LAN
General Routing & Switching
General Firewall & Security Design
Write configurations
Load configurations
This is to change current config on some existing equipment and prepare the config on new equipment (I don't currently have a view of volume of equipment)

About the Company

Saunders Scott is a specialist IT, Digital Transformation and Telecommunications Executive Search firm. Working in conjunction with our clients and associates, Saunders Scott continually delivers outstanding candidates in Leadership, Sales, Professional Services, Consulting and Technical positions throughout EMEA. Get in touch today: London: +44 203 908 5598 / info@saundersscott.com Germany: +49 2132 68 57 597 / info@saundersscott.de Know more