Lead Network Architect

As a technical leader within Core Information Services, you will shape and oversee network solutions critical to Defence's digital capabilities. You'll play a key role in advancing the Next Generation Communications Network (NGCN) Programme—a major Government project—and you'll drive the design and delivery of a secure, modern enterprise network that connects sensors, effectors, and decision-makers across military and business domains. NGCN is a cornerstone of the Digital Backbone for Defence, and your expertise will be key to achieving the

You'll provide technical direction through governance forums and serve as the primary escalation point for complex challenges. Your remit spans the full spectrum of network technologies, including LAN, WAN, Wi-Fi, data centres, software-defined networks, telephony, mobile solutions, unified communications, and management platforms—alongside robust security and remote access across all classifications, supporting global Operations.

Responsibilities

• Serve as subject matter expert for network architects across the team
• Accountable for the NGCN network designs and architectures
• Champion new technologies and innovative solutions in support of the
• Act as point of escalation for complex network challenges and technical issues
• Communicate complex network concepts effectively to technical and non-technical stakeholders
• Coach and mentor network architects

Candidate Profile
You will have proven expertise as a subject matter expert in network architecture, with the ability to represent the function internally and externally with partners and suppliers.

Your strong background in technical design will be instrumental when coaching and mentoring network architects, championing innovative technologies and solutions, and ensuring adherence to architectural standards and best practices.

Success in this role requires exceptional communication skills to simplify complex network concepts for both technical and non-technical stakeholders, along with strategic thinking to align network architecture with organisational objectives and integrate emerging technologies.

When submitting your CV, please highlight your career history and experience that align with the requirements of this role. Additionally, refer to the "Things You Need to Know" section of the advert and provide a statement of suitability (max. 1250 words) demonstrating the
essential criteria
listed below.

Demonstratable understanding of governance and assurance frameworks.

• Proven capability in Network infrastructure, highlighting your ability to lead teams in design, implementation, administration and support of infrastructure solutions and services.
• Comprehensive understanding of all network technologies.
• Strategic thinking abilities with proven track record of aligning technical solutions with business objectives

Dependent on Business need there may be a requirement to travel to meetings within the UK (or potentially occasional overseas visits).

If not already held, successful candidates will be required to undergo DV clearance.

Please note this position is open to sole UK Nationals only.

Behaviours
We'll assess you against these behaviours during the selection process:

• Seeing the Big Picture
• Making Effective Decisions

Technical skills
We'll assess you against these technical skills during the selection process:

• Technical Understanding (Network Architect)
• Governance and Assurance
• IT Infrastructure (Network Architect)
• Systems Design