Network Security Specialist

JR United Kingdom; Bristol; Remote; GBP 65,000 - 90,000; Full time

Job summary

A leading cyber security consultancy seeks a Delivery Team Security Lead to oversee projects focused on NATO JCHAT communications. This remote role, requiring some travel, involves expert support in military communications and technical consultancy, with a competitive salary range reflective of the specialist skill set required.

Responsibilities

• Act as the primary security lead for projects focused on NATO JCHAT communications system.
• Provide expert support into NATO applications and related technologies.
• Manage Azure virtual machines and support internal IT systems.

Skills

Experience with NATO communications

Azure virtual machines management

Computer networks (DNS, DNS, PKI)

Technical consultancy

Cybersecurity compliance

Job description

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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