Network Architect

£600 - £700 per day - Inside IR35

Hybrid - London

DV Cleared

About the Role

Our confidential government client requires an experienced Network Architect to lead the design and delivery of strategic network solutions. This is a high-impact role within a complex, secure environment, where your architectural expertise will support national security priorities.

Key Responsibilities

Deliver high-level and low-level network designs (HLD/LLD) in line with project milestones

Produce comprehensive artefacts including:

Site-specific network architectures

Passive infrastructure layouts (fibre, copper - vertical & horizontal)

Active equipment installation designs

Rack diagrams, patching schedules, and cabling plans

Collaborate with multiple stakeholders including:

Local IT teams

Other Government Departments (OGDs)

System owners and integrators

Drive end-to-end system thinking including:

LAN/WAN design and implementation

WAN provisioning and circuit dependencies

Network security and encryption technologies (e.g., cryptos)

Dependencies on EUDs, storage, and power systems (UPS)

Work across the full system delivery lifecycle:

Service Design, Transition, Acceptance, and into Live

Collaborate with Service Architects on Assurance and Gate Reviews

Analyse technical requirements and develop fit-for-purpose solutions

Conduct impact assessments and risk evaluations of architectural decisions

Lead on technical governance, guidance, and assurance activities

Act as the primary technical PoC for networking and associated infrastructure

Mentor junior team members and contribute to knowledge sharing across the team

Essential Skills & Experience

Extensive background in secure Network Architecture and Design

Strong knowledge of government or military-grade secure environments

Experience with:

Passive and active infrastructure planning

WAN/LAN technologies and provisioning

Encrypted communication solutions

Familiarity with government service delivery lifecycle and assurance processes

Exceptional stakeholder management across multi-disciplinary teams

Proven leadership in delivering technical outcomes under tight timelines

Apply now to play a leading role in shaping secure, mission-critical network infrastructure at the heart of UK national operations