Senior Cloud Architect: AI SaaS for Finance

Descrial; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Descrial is seeking a Cloud Architect to own the infrastructure for a multi-tenant AI platform serving confidential investment workflows. You will manage AWS foundations, Kubernetes-based runtime, IaC, and security/posture for enterprise clients.

LLM workloads and token economics sit at the core of the role. Ideal candidates have 3+ years in architecture with deep Kubernetes, Terraform, and Helm experience, plus experience in cost engineering at scale and AI/LLM workload economics.

Qualifications

• 3+ years in an architecture role within 6+ years in infrastructure or platform engineering.
• Deep Kubernetes (EKS), Terraform, and Helm experience; strong networking and security fundamentals.
• Multi-tenant SaaS architecture experience with real isolation and compliance requirements.
• Evidence of cost engineering at scale, ideally including AI/LLM workload economics.
• You build with AI coding tools daily (Cursor, Claude Code or comparable).

Responsibilities

• Own AWS architecture end to end: accounts and landing zones, networking and VPC design, EKS/ECS runtime patterns, RDS/S3 data services, and DR/HA posture.
• Codify everything: Terraform modules, Helm charts, and repeatable environment automation with security and compliance built in.
• Design multi-tenant isolation as a first-class property: network, data, identity, and per-tenant configuration boundaries that survive audit.
• Partner with Cyber Security Lead on IAM, secrets, encryption, and hardening; support SOC 2 / ISO 27001 alignment.
• Build CI/CD improvements (Jenkins) and establish observability standards (OpenTelemetry) with the engineering team; guide London and Bengaluru.

Skills

AWS architecture

Kubernetes (EKS)

Terraform

Helm

Networking

Security fundamentals

Multi-tenant SaaS architecture

AI/LLM workload economics

AI coding tools daily

CI/CD automation

Education

Bachelor's degree in engineering / computer science or related field

Tools

Jenkins

OpenTelemetry

Helm

Job description

Descrial is seeking a Cloud Architect to own the infrastructure for a multi-tenant AI platform serving confidential investment workflows. You will manage AWS foundations, Kubernetes-based runtime, IaC, and security/posture for enterprise clients.

LLM workloads and token economics sit at the core of the role. Ideal candidates have 3+ years in architecture with deep Kubernetes, Terraform, and Helm experience, plus experience in cost engineering at scale and AI/LLM workload economics.