Principal Technical Architect

Appvia

full-time

Posted on: 9/18/2025

Origin: • 🇬🇧 United Kingdom

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💰 £90,000 - £120,000 per year

Lead

AWSAzureCloudGoogle Cloud PlatformKubernetesTerraform

About the role

We are seeking an experienced Principal Technical Architect to join Appvia and play a leading role on one of the most significant government cloud initiatives in the UK, consulting on a critical national platform for a secure government client, ensuring this platform is designed and operated to the highest standards of resilience, security, and compliance.
You’ll combine your technical expertise with excellent consultancy and stakeholder management skills, working directly with senior government stakeholders and partner organisations.
Report directly into Appvia’s COO and act as a senior technical authority, shaping the design and governance of a cloud platform.
Bring deep experience in cloud infrastructure, platform engineering, and solution architecture, enabling you to guide technical decision-making across teams.
Not heavily hands-on day-to-day, you will bring deep experience in cloud infrastructure, platform engineering, and solution architecture, enabling you to guide technical decision-making across teams.

Proven experience as a Principal Technical Architect in secure, complex environments
Deep expertise in cloud infrastructure and platform engineering, preferably with a strong AWS background
Strong technical foundation in: Infrastructure-as-Code (Terraform); Kubernetes and container orchestration; CI/CD pipelines and DevSecOps toolchains
Strong understanding of governance, compliance, and security requirements for UK government, including NCSC Cloud Security Principles and relevant frameworks
Experience operating at the technical design authority (TDA) level, shaping architecture and providing oversight across multiple delivery teams
Ability to influence and engage senior government stakeholders, with excellent consultancy and stakeholder management skills
Desirables: Multi-cloud experience (Azure, GCP); Knowledge of FinOps principles and cloud cost optimisation; Background in hands-on software engineering or platform delivery; Experience in large-scale agile delivery environments (SAFe, LeSS, dual-track agile)
Qualifications: Certification in relevant cloud technologies at expert/professional level (AWS Solutions Architect Professional; Microsoft Certified: Azure Solutions Architect Expert (AZ305)); Certification in Kubernetes or Terraform administration (CKA; CKSS; HashiCorp Certified: Terraform Associate)