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- Lead the architecture, design and assurance of Fortinet SD-WAN solution - Produce, review and maintain HLDs, LLDs and associated technical documentation in line with customer architecture standards - Define and govern network patterns, reference architectures, and configuration baselines for routing, switching, segmentation and security - Ensure solutions meet security, compliance, performance and availability requirements - Support ITHC and penetration test remediation across network and security components - Oversee integration and assurance of network logging and visibility into SIEM/SOC platform - Guide Engineering, SOC and Operations teams in implementing architectural direction and resolving complex technical issues - Provide structured updates, design decisions, risks and progress reports to internal and external stakeholders - Minimum 4 days per week on-site (Farnborough) for the duration of the engagement - Deliver fully assured and validated network architectures that achieve formal customer sign off - Demonstrate alignment with operational teams, ensuring designs support operational workflows and service delivery - UK National - SC clearance Strong knowledge of Fortinet technologies, including: - FortiGate NGFW & SD WAN - IPSec/ADVPN - Routing protocols (BGP/OSPF) - ZTNA, segmentation, security profiles - Hands on experience producing HLDs/LLDs and technical governance packs - Enterprise network architecture and secure configuration principles - Monitoring, logging, and SIEM integration - Experience with system, network and security testing is desirable Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 10 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.