Network Engineer South London (Fortinet Specialist) Keystream currently are seeking an experienced Network Engineer with extensive Fortinet expertise for a leading organiation based in South London. This is an exciting opportunity for a skilled professional to take ownership of network security and infrastructure in a dynamic and fast-paced environment. The Role: The successful candidate will be responsible for implementing, and maintaining secure and high-performance networks. They will play a key role in managing Fortinet firewalls and ensuring the security, reliability, and scalability of the network infrastructure. Key Responsibilities: Configure, manage, and troubleshoot Fortinet firewalls (FortiGate, FortiManager, FortiAnalyzer, FortiAuthenticator, etc.). Maintain secure network infrastructures, ensuring optimal performance. Monitor and optimise network security, responding to incidents and threats. Implement and manage VPNs, SD-WAN, VLANs, and wireless networks. Provide technical leadership and collaborate with internal IT teams. Maintain network documentation and best practice guidelines. Candidate Requirements: Proven experience in a Network Engineer role with a strong focus on Fortinet technologies. In-depth knowledge of firewalls, routing, switching, and network security. Experience managing VPNs, SD-WAN, VLANs, and wireless networks. Ability to diagnose and resolve complex network issues efficiently. Fortinet NSE 4, NSE 5, or higher certification (desirable). Strong communication and problem-solving skills. Role details: Based in South London, with a supportive and innovative team environment. £300 - £350 per day Outside Ir35 Starting ASAP initially for 3 months with likely extension If the above skillset is a good skills match, please send your cv for immediate review for the Fortinet-based network security contract opportunity. If you do not hear back within two weeks, please assume your application was unsuccessful.