Role: Boundary SMELocation: Full time onsite in BasingstokeClearance required: DV levelKey ResponsibilitiesServe as the SME for boundary technologies, including secure messaging, routing, web gateways, Firewalls, and Proxy solutions.Design, implement, and support secure boundary architectures that meet high-assurance operational requirements.Conduct threat analysis, risk assessments, and assurance activities on boundary controls and gateways.Troubleshoot and resolve complex boundary-related issues across multi-domain, high-security environments.Provide technical oversight and governance to ensure compliance with security standards and accreditation requirements.Collaborate closely with security, network, operations, and architecture teams to deliver integrated solutions.Produce high-quality technical documentation, designs, and operational guidance.Act as a trusted advisor for boundary design decisions, ensuring resilience, reliability, and secure-by-design practices.Take full ownership of workstreams-driving tasks from design through to deliveryDue 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 up to a minimum 18 weeks. LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT