Salary: £39,000 - 72,500 per year Requirements: We require extensive hands-on experience in Fortinet architecture and engineering. We require strong understanding of enterprise security and networking principles. We require experience working in regulated or large-scale enterprise environments. We require the ability to produce high-quality technical designs, standards, and governance documentation. We require excellent stakeholder engagement and technical leadership skills. We prefer candidates with Fortinet certifications such as NSE 7 or NSE 8, or equivalent. We prefer candidates with CCNP or CCIE Security certification. We prefer candidates with CISSP or equivalent security certification. Responsibilities: We lead the design and governance of enterprise Fortinet environments. We define and maintain security architecture standards, operational models, and best practices. We provide technical oversight for large-scale Fortinet deployments, migrations, and optimisation initiatives. We work closely with SOC, infrastructure, networking, and security engineering teams. We act as the senior escalation point for complex Fortinet architecture and operational challenges. We manage FortiManager policy package governance, lifecycle management, ADOM design, administration, workflow approvals, change governance, multi-tenant operations, and automation of security policy deployment. We develop and oversee FortiAnalyzer logging and reporting strategies, SOC integration, event correlation, incident and event handling workflows, compliance reporting, audit outputs, SIEM interoperability, and operational analytics. We design and optimise Secure SD-WAN solutions including SLA rule creation, traffic steering, link health checks, performance optimisation, ADVPN architecture, dynamic overlay networking, hub-and-spoke topologies, and network segmentation. We lead UTM and NGFW strategy including IPS policy tuning, threat optimisation, SSL inspection governance, certificate lifecycle and PKI management, proxy-based versus flow-based inspection design, WAF capabilities where applicable, and ZTNA and SASE integration. Technologies: Flow Network Security WAF Firewall Web More: We are seeking an experienced Fortinet Technical Design Authority to lead the architecture, governance, and strategic delivery of enterprise-scale Fortinet security solutions across complex multi-site and multi-tenant environments. This is a senior technical leadership role where we partner closely with SOC, infrastructure, networking, and security engineering teams to deliver secure, standardised, and highly governed solutions. We value candidates who can operate confidently in large, regulated enterprise environments and produce clear technical designs and governance documentation. last updated 21 week of 2026