Senior Cloud Infra Engineer – AWS, Terraform & Automation

Supercell; Helsinki; On-site; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Relocation assistance

Job summary

Supercell in Helsinki is seeking a Senior Infrastructure Engineer to join the IT Infrastructure team. You’ll own how we build on AWS, IaC using Terraform, and AI-enhanced automation while keeping services reliable for our global offices.

You’ll bring 8+ years in IT infrastructure, deep AWS and Terraform experience, strong Linux skills, and scripting abilities in Python/Ansible/Bash. Collaboration across teams and security-minded engineering are essential.

Qualifications

• 8+ years building and operating IT infrastructure, several of them hands-on in the cloud.
• Deep, practical AWS and Terraform experience: defensible opinions on module structure, state management, testing and validation.
• Strong Linux skills. You can troubleshoot an unfamiliar service, find the root cause and make it behave.
• You’ve built tooling or automation your team relies on. AI is part of how you work day to day, and you can show how you make life better for everyone around you.
• Solid automation and scripting skills with Python, Ansible, Bash or similar.
• Experience with observability tooling and a view on what good monitoring looks like.
• A solid understanding of networking fundamentals: routing, DNS, DHCP, firewalls, VPN.
• An eye for security in everything you do.
• Ability to work with people outside your craft, including non-technical stakeholders.
• A humble, kind and respectful attitude toward others and their work, and the willingness to admit, explain and learn from your mistakes.
• Willingness to do operational work and help others alongside project work.

Responsibilities

• Own how we build on AWS: account structure, guardrails, service choices, cost. You’re the person the rest of us sanity-check our cloud designs with, and the one who explains why the answer is what it is.
• Own our infrastructure-as-code practice: Terraform modules, workflows, testing and review. Set the standard, teach it through reviews and pairing, and make it the easiest path so the team builds the same way with or without you in the loop.
• Drive automation across the team: spot what’s worth automating, build it, and keep it maintained after the novelty wears off. You will also help us level up our AI game and bring meaningful automation updates at the team and company level.
• Keep an eye on how other teams run AWS, and know when to adopt and integrate their practices and solutions instead of reinventing the wheel.
• Operate what you build, and take your turn as first responder. Things break, and the unknown unknowns are part of the job. We rotate who handles escalations during business hours so the rest of the team can focus. No 24/7 on-call required.

Skills

AWS

Terraform

Linux

Python

Ansible

Bash

Observability

Networking

Security

Cross-functional collaboration

Tools

AWS

Job description

Supercell in Helsinki is seeking a Senior Infrastructure Engineer to join the IT Infrastructure team. You’ll own how we build on AWS, IaC using Terraform, and AI-enhanced automation while keeping services reliable for our global offices.

You’ll bring 8+ years in IT infrastructure, deep AWS and Terraform experience, strong Linux skills, and scripting abilities in Python/Ansible/Bash. Collaboration across teams and security-minded engineering are essential.