Principal Cloud Network Architect - Active UK Government Security Clearance
- London, United Kingdom
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Principal Cloud Network Architect - Active UK Government Security Clearance Required
Location: UK - Hybrid / customer-site requirements TBC
Contract: Permanent, Full-time
Package: £85,000 - £95,000 + 10% Bonus + 10% Shares + Benefits
About AppviaAppvia is a specialist cloud, platform, and solutions engineering consultancy, helping organisations modernise infrastructure, improve reliability, and adopt cloud-native practices that enable long-term, sustainable delivery.
Our engineering capability spans AWS, Azure, platform engineering, networking, software, data, AI, delivery, and managed services.
We work across complex, high-impact environments in both the public and private sector, delivering solutions where security, resilience, scalability, and operational excellence are critical.
About the RoleWe’re hiring a Principal Cloud Networking Architect to join Appvia on a new secure public sector engagement, providing technical leadership across complex cloud, hybrid, and enterprise networking environments.
This is an architecture-led role for someone who can own technical direction, translate complex requirements into practical network solutions, and provide assurance across design and delivery.
You’ll work across AWS cloud networking, hybrid connectivity, secure landing zones, network architecture, and technical governance, acting as a trusted technical authority for Appvia and our customer.
While the initial engagement has a strong networking and live-service focus, you’ll also sit within Appvia’s wider cloud and platform engineering capability, with opportunities to influence architecture and engineering standards across future programmes.
Interview Process - 3 Stage
- Discovery conversation with Talent Acquisition
- Technical & Architecture Interview with Engineering Team
- Final Interview with Leadership
You must hold active UK Security Clearance (SC).
NPPV3 clearance is highly desirable.
Requirements
About You
You are a senior cloud and network architect with the technical depth to operate across both enterprise networking and modern cloud environments.
You will bring:
- Strong experience owning cloud and network architecture across complex enterprise environments
- Deep AWS networking knowledge across secure, scalable, and highly available architectures
- Experience designing hybrid cloud connectivity and multi-account network environments
- Strong understanding of enterprise routing, network segmentation, security, and resilience
- Experience designing cloud landing zones and their associated networking architecture
- Strong understanding of network and cloud security principles
- Experience producing and reviewing architecture documentation and technical designs
- Confidence operating within Technical Design Authority or architectural governance processes
- Ability to evaluate designs against security, operational, and regulatory requirements
- Strong stakeholder management and the ability to communicate complex technical decisions clearly
- Experience working in regulated, enterprise, or public sector environments
- Active UK SC clearance
- Own cloud and network architecture across complex customer environments
- Define technical direction for secure, scalable, and resilient networking solutions
- Design AWS network architectures across multiple accounts, workloads, and environments
- Shape hybrid connectivity between cloud and on-premises infrastructure
- Define networking patterns for cloud landing zones and platform environments
- Provide architectural leadership across routing, connectivity, segmentation, security, and resilience
- Produce and review high-level and detailed technical designs
- Provide technical assurance and governance across network and cloud changes
- Assess architectural decisions against security, operational, and regulatory requirements
- Identify technical risks, dependencies, and opportunities for improvement
- Work closely with network engineers, platform engineers, security teams, service management, and customer architects
- Act as a trusted technical advisor to senior customer stakeholders
- Support and mentor engineers while raising architecture and engineering standards
Core technologies / experience:
- AWS cloud networking
- VPC architecture
- Transit Gateway
- Direct Connect
- Route 53
- Hybrid cloud connectivity
- Multi-account AWS networking
- Enterprise routing and network architecture
- Network segmentation and security
- Secure cloud landing zones
- High availability and disaster recovery
- Architecture governance and assurance
- Technical Design Authority experience
Nice to have:
- AWS Certified Advanced Networking - Specialty
- AWS Solutions Architect - Professional
- Wider AWS professional or specialty certifications
- Multi-cloud networking experience
- Cloud security architecture
- Enterprise and application integration architecture
- Infrastructure-as-code and network automation exposure
- CCNP / CCIE or equivalent networking certifications
- NPPV3 clearance
Benefits
Why join Appvia?
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.
What’s on offer?
- ️ Work-life balance
- Flexible working with core hours of 10-4pm because we know life happens outside of work
- Hybrid working - only one compulsory office day per month
- 25 days’ holiday a year, plus bank holidays
- An additional day off for your birthday
- Enhanced maternity and paternity to full pay
- Workplace Nursery Benefit to help working parents
For your well-being
- Full Private Healthcare cover for you with partners and children covered 50%
- Death in Service
- Cycle to Work scheme
- Electric Car Scheme
- Pension plus a salary sacrifice option for even greater savings
- Employee Assistance Programme
- Free hygiene products available in the London office
Mental health support
- Free therapy through AXA
- Access to the Headspace App
- Trained Mental Health First Aiders
Other fun perks
- Learning budget of £1,000 a year
- Your own MacBook Pro while you work at Appvia
- Dog friendly office
- Wear what makes you comfortable
- Free snacks in the office
- Regular team socials, board game nights, industry meetups and more!
- Pool table & ping pong table
But don’t just take our word for it, you can check out what our Appvians say about us on Glassdoor and by following us on LinkedIn, Twitter and TikTok.
We are proud to be an equal opportunities employer and actively encourage, respect, and recognise diversity of thought and background throughout the business. All applicants will be considered for employment without attention to age, ethnicity, religion, sex, sexual orientation, gender identity, family or parental status, national origin, or veteran, neurodiversity, and disability status.
Note: While all roles are active and approved at the time of posting, the dynamic nature of our start-up means some applications may be processed to pipeline talent for future opportunities rather than current openings. We will strive to keep you informed of any changes to the status of your application.