Network Security Specialist

Delivery Team Security Lead, £65,000 – £90,000, Remote (Some travel expected, Domestic and International)I am partnered with a specialist cyber security consultancy, delivering high-assurance solutions to government, defence, and critical national infrastructure sectors. They provide expert services across security assurance, secure systems delivery, and technical consultancy. With a strong focus on secure communications and mission-critical environments, they support organisations in achieving the highest standards of cyber resilience and compliance.Key Responsibilities: Act as the primary security lead for projects focused on the NATO JCHAT communications system. Lead on systems integration, configuration, and administration activities. Provide expert support and insight into NATO FAS applications and related technologies. Apply strong knowledge and practical experience in NATO and military communications environments. Demonstrate experience with JCHAT, M-LINK, and Openfire XMPP services (highly desirable). Manage and configure Azure virtual machines and virtual environments as required. Possess sound experience in computer networks, including DNS, domains, PKI certificates, network design, and secure architecture. Support and maintain internal company IT systems as part of the Technical and ICT Admin Team. Provide day-to-day technical advice and support to internal teams. Contribute to the delivery of technical training to clients, including live demonstrations and walkthroughs. Assist with project reporting and audit activities. Undertake role-specific training as required, including both on-the-job learning and course-based training on CAD-specific solution builds for customers.For more information, please contact Joel at InfoSec People