A10 Network Engineer (DV/SC Cleared) We are seeking an experienced A10 Network Engineer for a 6 month contract, inside IR35, supporting high-security environments. You ll be working on complex network infrastructure, primarily focused on A10 Networks Application Delivery Controllers (ADCs) and security solutions. This role demands a hands-on engineer with a solid understanding of high availability, load balancing, and Layer 4-7 traffic management, ideally within secure, mission-critical environments. Key Responsibilities: Configure, deploy, and manage A10 Thunder Series devices (ADC, CGNAT, SSLi, etc.) Perform system integrations, upgrades, and troubleshooting within live network environments Design and implement network solutions tailored for performance, resilience, and security Collaborate with cybersecurity, DevOps, and infrastructure teams to ensure seamless operations Support firewall, VPN, and intrusion prevention configurations where relevant Document all configurations and processes in line with security compliance standards Essential Skills and Experience: Proven experience working with A10 Networks (Thunder ADC, CGNAT, SSL Insight) In-depth understanding of networking protocols TCP/IP, HTTP/S, DNS, SSL/TLS, BGP, OSPF Experience with load balancing, application delivery, and traffic optimisation Active SC (Security Check) or DV (Developed Vetting) clearance is essential