Platform Engineer
Harnham is looking for a Platform Engineer
Job description
Platform Engineer (AWS / Kubernetes / Terraform)
Central London (2-3 days in-office)
£65,000 – £75,000 + 10% bonus
Are you a Platform or Cloud Engineer who loves ownership, modern tech, and actually seeing the impact of your work?
This is a chance to join a small, high-impact Cloud Infrastructure team inside a fast-growing, tech-first financial services organisation. You’ll be responsible for running, scaling and improving the cloud platforms that power real, customer-facing products used by hundreds of thousands of people every day.
What you’ll be working on
- AWS-based environments supporting mission-critical, customer-facing applications
- Kubernetes (EKS) clusters in production
- Infrastructure as Code with Terraform
- Highly available, scalable platforms used for current accounts and investment products
- Secrets and access management (Vault exposure a bonus)
Tech you’ll need
Essential
- AWS (EC2, VPC, IAM, Load Balancers, Lambda, API Gateways)
- Kubernetes (EKS) – real production experience
- Terraform (hands-on, not just running other people’s modules)
Nice to have
- HashiCorp Vault
- Helm, Karpenter, KEDA, Linkerd or Istio
What they’re looking for
- 3–5+ years of experience in Cloud / Platform / DevOps engineering
- Strong Kubernetes exposure in production environments
- Confidence owning infrastructure and driving improvements
- Someone who enjoys autonomy, collaboration, and problem-solving
- Financial services experience is nice, but not required
Why this is worth your time
- Work abroad for up to 120 days per year
- Highly modern, cloud-native environment (no legacy!)
- Small team = real influence + real ownership
- Strong focus on learning, wellbeing and flexibility
- Fast, simple 2-stage interview process (fully remote)
Interview process
- Behavioural interview (45 mins – Zoom)
- Technical + values interview (80 mins – Zoom)
Extra information
- Status
- Open
- Education Level
- Secondary School
- Location
- London Area
- Type of Contract
- Full-time jobs
- Published at
- 12-01-2026
- Profession type
- Accountancy
- Full UK/EU driving license preferred
- No
- Car Preferred
- No
- Must be eligible to work in the EU
- No
- Cover Letter Required
- No
- Languages
- English
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