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Appvia

Contract Lead Network Architect – Active UK Government Security Clearance

Appvia

. Lead technical architecture decisions across complex customer environments .

Posted 10/21/2026full-timeLondon • United KingdomSenior💰 £600 - £650 per dayWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in leading technical architecture decisions and developing enterprise-wide strategies while ensuring secure, reliable, and scalable systems. Proven ability to mentor architects and manage stakeholder relationships in complex environments.

Highest-signal resume keywords
Cisco Networking FundamentalsCCNP CertificationCisco SD-WAN ExperienceSecure By Design PrinciplesArchitectural Governance Processes

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Technical ArchitectureRoutingSwitchingFirewallingLoad BalancingNetwork AutomationInfrastructure-As-CodeCloud Security ArchitectureEnterprise Integration ArchitectureMulti-Cloud Networking
Soft Skills
Stakeholder ManagementCommunication SkillsMentoringCoaching
Tools & Technologies
AWSAzureBGPTechnical Design AuthoritySecurity Board
Certifications & Qualifications
CCNP CertificationTOGAF FoundationBCS Certification
Industry Keywords
Public SectorRegulated EnvironmentsComplex System IntegrationsLarge-Scale Technology Change ProgrammesActive UK SC ClearanceNPPV3 Clearance

Tech Stack

Tools & technologies
AWSAzureCloudSwitching

About the role

Key responsibilities & impact
  • Lead technical architecture decisions across complex customer environments
  • Define and maintain enterprise-wide technical strategies, roadmaps, and architectures
  • Oversee design reviews using Secure by Design principles and architectural governance
  • Coordinate with cross-government teams and third-party suppliers
  • Develop presentation packs for Technical Design Authority and Security Board governance
  • Deputise for the Principal Technical Architect when required
  • Evaluate emerging technologies and drive continuous improvement
  • Mentor and coach other architects
  • Facilitate design and delivery of complex systems meeting performance, reliability, and security requirements
  • Lead multiple projects and address risks, budgets, and timelines
  • Evaluate outcomes and incorporate lessons learned into future strategies
  • Provide architectural leadership across routing, connectivity, segmentation, security, and resilience
  • Collaborate with network engineers, platform engineers, security teams, service management, and customer architects
  • Act as a trusted technical advisor to senior customer stakeholders

Requirements

What you’ll need
  • Senior technical architect with strong Cisco networking fundamentals
  • CCNP certification, or demonstrable equivalent knowledge of networking concepts, switching, routing, firewalling, and load balancing
  • Cisco SD-WAN experience, including BGP
  • Track record of leading complex technical architectures
  • Experience across multiple domains or projects, coordinating with third-party suppliers and cross-government teams
  • Ability to anticipate future technologies and align solutions with strategy and business outcomes
  • Expertise delivering secure, reliable, and scalable systems within defined time and quality constraints
  • Experience producing and reviewing architecture documentation and technical designs using Secure by Design principles
  • Experience with Technical Design Authority or architectural governance processes, including Design Authority and Security Board presentations
  • Excellent stakeholder management and communication skills
  • Leadership in mentoring or coaching architects or senior technical professionals
  • Experience in regulated, enterprise, or public sector environments
  • Active UK SC clearance required
  • NPPV3 clearance highly desirable
  • Nice-to-have: AWS or Azure cloud networking, multi-cloud networking, cloud security architecture, enterprise and application integration architecture, infrastructure-as-code, network automation, TOGAF Foundation or BCS certification, large-scale technology change programmes or complex system integrations

Benefits

Comp & perks
  • Short, focused engagement with clear deliverables
  • Opportunity to work on modern cloud platforms
  • Fully remote and flexible
  • Fast interview process and quick start
  • Equal opportunities employer
  • Diversity of thought and background recognised and encouraged