Senior Security Engineer

Helsinki · 5+ years experience · Full-time · Onsite · Posted Oct 15, 2026

At a glance

Supercell is a games company from Helsinki, Finland, with offices https://supr.cl/jd-offices also in San Francisco, Seoul, Shanghai, and London. You might know us as the makers of Hay Day, Clash of Clans, Boom Beach, Clash Royale, and Brawl Stars. Our mission is to create great games https://supr.cl/jd-games that as many people as possible play for years and that are remembered forever.
So, how do we make great games? By putting together the best teams and giving them the freedom and independence to succeed. And by taking risks, failing, sharing learnings https://supercell.com/en/news/learning-from-failures/, and killing lots of projects.
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Supercell is looking for a Senior Security Engineer to provide information security insights, services, and solutions for the whole company.
You will work closely with the global IT team to design, build, and automate security improvements while improving user experience.
You will also collaborate with game and central server tech teams to improve attack detection and response capabilities on cloud infrastructure, alongside securing cutting-edge AI use.

Participate in defining what information security means at Supercell, on both strategic and tactical level
Work in close cooperation with our global IT team on all of their security needs
Help integrate security tooling into team and individual workflows in a pragmatic way
Facilitate security assessments, remediations and drive projects forward
Work with external consultants to implement parts of our information security toolkit
Help define AI strategy and safety protocols
Take part in on-call and Incident Response activities

5+ years of applicable experience
Experience in modern tooling (SSO, endpoint protection, logging and metrics, cloud-native deployments and security)
Experience with IP networking, routing, firewalls, VLANs and network segregation
Creativity in automating everything that makes sense to automate, either due to passion or due to profound laziness in doing stuff robots do better than us
Ability to evaluate risk and design measured mitigations
Experience building tooling or automation your team relies on
AI is part of how you work day to day
Ability to step away from security jargon and focus on what's important
Proactivity and a curious mind

Familiarity with information security requirements, processes, frameworks and tools
Experience with security tooling and infrastructure automation on AWS or GCP
Hands-on experience with one or more of Okta, VMWare Workspace One, Palo Alto Panorama and Cortex

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