DV-Cleared Defence Network Solutions Architect

Sanderson Government and Defence; Salisbury; On-site; GBP 126,000 - 154,000; Full time

Job summary

Sanderson Government and Defence is seeking an experienced Network Solutions Architect to design and assure secure network architectures for a major Defence and National Security programme. This role focuses on delivering secure, resilient network designs that underpin critical services and operations.

You will provide technical leadership, collaborate with engineering and security teams, and support accreditation and governance activities, ensuring alignment with Defence standards.

Qualifications

• Experience designing secure networks for Defence or national security environments.
• Ability to apply Secure by Design principles across the solution lifecycle.
• Proven track record leading technical projects and communicating designs to stakeholders.

Responsibilities

• Design and assure secure network architectures within Defence environments.
• Apply Secure by Design principles throughout the solution lifecycle.
• Assess and mitigate security risks across network and infrastructure platforms.
• Provide technical leadership and architectural guidance to project teams.
• Support security accreditation and governance activities.
• Collaborate with engineering, security, and programme teams to deliver robust and resilient solutions.
• Ensure architectures align with Defence security standards and operational requirements.

Skills

Cisco routing & switching

Cisco ASA

Cisco ACI

IOS/NX-OS

Wireless networking

IP networking

Security governance

Stakeholder management

Leadership

Security clearance

Tools

Windows Server

Active Directory

Exchange

SharePoint

Group Policy

Job description

Sanderson Government and Defence is seeking an experienced Network Solutions Architect to design and assure secure network architectures for a major Defence and National Security programme. This role focuses on delivering secure, resilient network designs that underpin critical services and operations.

You will provide technical leadership, collaborate with engineering and security teams, and support accreditation and governance activities, ensuring alignment with Defence standards.