Contract Lead Network Architect - Active UK Government Security Clearance

United Kingdom·LondonFull-timelead

EngineeringArchitectSoftware ArchitectConstruction & Real Estate

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Requirements Summary

6 or 12 month contract, with view to extend Day Rate: £600 - £650 per day, Inside IR35 Start: ASAP About Appvia Appvia is a specialist cloud, platform, and solutions engineering consultancy,

Technical Tools

EngineeringArchitectSoftware ArchitectConstruction & Real Estate

About the Role

~1 min read

You are a senior technical architect with strong Cisco networking fundamentals, a track record of leading (not just contributing to) complex technical architectures, and the credibility to operate within formal design governance.

You will bring:

CCNP certification, or demonstrable equivalent knowledge of networking concepts, switching, routing, firewalling, and load balancing
Cisco SD-WAN experience, including the use of BGP
A consistent track record of leading complex technical architectures, championing innovation and best practice
Experience working across multiple domains or projects, coordinating with third-party suppliers and cross-government teams
Aptitude for anticipating future technologies and aligning solutions with broader strategy and business outcomes
Expertise in delivering secure, reliable, and scalable systems within defined time and quality constraints
Experience producing and reviewing architecture documentation and technical designs, incorporating Secure by Design principles
Confidence operating within Technical Design Authority or architectural governance processes, including direct support for Design Authority and Security Board presentations
Excellent stakeholder management and communication skills, translating complex technical topics for diverse audiences
Demonstrated leadership in mentoring or coaching other architects or senior technical professionals
Experience working in regulated, enterprise, or public sector environments
Active UK SC clearance

Responsibilities

~1 min read

→Lead technical architecture decisions across complex customer environments, championing innovation and best practice
→Support the definition and maintenance of enterprise-wide technical strategies, roadmaps, and architectures
→Oversee design reviews, incorporating Secure by Design principles and compliance with architectural governance
→Coordinate with cross-government teams and third-party suppliers to ensure cohesive, integrated solutions
→Directly support the development of presentation packs for Technical Design Authority and Security Board governance, deputising for the Principal Technical Architect where required
→Drive digital innovation by evaluating emerging technologies and championing continuous improvement
→Mentor and coach other architects, fostering a culture of collaboration and technical excellence
→Facilitate the design and delivery of complex systems, ensuring performance, reliability, and security requirements are met
→Lead multiple projects, collaborating with stakeholders to address risks, budgets, and timelines
→Evaluate outcomes and integrate lessons learned into future strategies
→Provide architectural leadership across routing, connectivity, segmentation, security, and resilience
→Work closely with network engineers, platform engineers, security teams, service management, and customer architects
→Act as a trusted technical advisor to senior customer stakeholders

Core technologies / experience:

Cisco SD-WAN
CCNP or equivalent demonstrable knowledge of networking concepts, switching, routing, and firewalling
BGP (Border Gateway Protocol)
Load balancing
Enterprise routing and network architecture
Network segmentation and security
Architecture governance and assurance
Technical Design Authority / Security Board experience
Secure by Design principles
High availability and disaster recovery

Nice to have:

AWS or Azure cloud networking (e.g. VPC architecture, Transit Gateway, Direct Connect, Route 53, hybrid connectivity, secure landing zones, multi-account architecture)
Multi-cloud networking experience
Cloud security architecture
Enterprise and application integration architecture
Infrastructure-as-code and network automation exposure
TOGAF Foundation or BCS Enterprise and Solution Architecture certification
Exposure to large-scale technology change programmes or complex system integrations
NPPV3 clearance

What We Offer

~2 min read

We are a self-funded, London based startup; providing businesses with a fast and secure way to deploy containerised applications into the cloud.

We are on a mission to enable organisations to make cloud-based software delivery simple and efficient, whilst having the insights into costs, security and cadence. As a company that holds customers at the heart of everything we do, we are looking for candidates that want to make a real change to how Dev and Ops is working in the industry.
With us our customers, like the UK’s Home Office & Bank of England, are harnessing cloud-native technologies, limiting the challenges of infrastructure management and rapidly delivering digital products.

✓Short, focused engagement with clear deliverables

✓Opportunity to work on modern cloud platforms

✓Fully remote and flexible

✓Fast interview process and quick start