Network Security Engineer – Fortinet​/Cisco

Network Security Engineer – Fortinet / Cisco

Location:

Bromley South (Office Based During Training Period) Job Type: Full-Time We are looking for a motivated and technically strong Network Security Engineer to join our small but highly capable infrastructure team. This is an exciting opportunity for someone with strong Fortinet/Forti Gate experience and Cisco patching expertise who is looking to play a key role in maintaining and improving a secure and resilient IT environment.

As part of a close-knit team, you will be instrumental in maintaining and enhancing the organisation’s network infrastructure, ensuring optimal performance, up-to-date security, and high reliability across all systems. We are looking for an individual who brings ideas, enthusiasm, and a collaborative approach, with the primary objective of supporting existing team members while enhancing the delivery of security-focused updates and improvements to the infrastructure.

The role will be primarily network focused; however, due to the size of the team, there will also be opportunities and expectations to contribute to wider infrastructure and security projects.

Key Responsibilities Manage, maintain, and support Fortinet/Forti Gate firewall environments Perform Cisco network patching, upgrades, and maintenance activities Monitor network performance, security, and availability Implement security updates and best practices across the infrastructure Support infrastructure improvement and security enhancement projects Troubleshoot network and connectivity issues across the business Work closely with internal teams to maintain a secure and stable IT environment Assist with documentation, change management, and operational procedures Skills & Experience Required Strong hands-on experience with Fortinet/Forti Gate technologies

Experience with Cisco networking and patch management Good understanding of network security principles and best practices Experience supporting enterprise network infrastructure Ability to troubleshoot complex networking issues Knowledge of switching, routing, VLANs, VPNs, and firewall policies Strong communication and team collaboration skills Proactive mindset with a willingness to contribute ideas and improvements Desirable Skills Experience working within small infrastructure or IT teams Exposure to infrastructure and security project delivery Relevant Fortinet or Cisco certifications

Experience with network monitoring and security tools