> Markdown version of [/jobs/ext/3018849-senior-infrastructure-security-engineer](https://www.wearedevelopers.com/jobs/ext/3018849-senior-infrastructure-security-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # (Senior) Infrastructure & Security Engineer - **Company:** Duna - **Location:** ROTTERDAM, Netherlands (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Amazon Web Services, Continuous Integration, Key Management, PostgreSQL, Role-Based Access Control, Kubernetes, Infrastructure Automation Frameworks - **Published:** September 21, 2026 - **Apply:** https://www.adzuna.nl/details/5891913452 ## About the Role * Deep, hands-on experience with AWS (or comparable), Kubernetes, infrastructure as code, CI/CD and observability * Real security engineering skills: you turn least privilege and auditability requirements into working systems * Comfort with the enterprise IT side of a startup, from certifications and customer security reviews to identity and device management * High agency in ambiguity, turning a vague problem into a shipped plan * Pragmatic judgement about when to harden, when to simplify and when to leave something alone * Curiosity about what AI changes in how we build and run software ## Description * Own and harden our platform: AWS, Kubernetes, Postgres, infrastructure as code, CI/CD, observability and incident response * Make security the default, with least privilege, secrets management and tenant isolation built into the platform instead of bolted on later * Turn our SOC 2 and ISO 27001 commitments into controls and evidence that are automated, not a yearly scramble * Turn recurring operational toil into self-service systems that engineers actually adopt, from preview environments to internal access * Help Duna run AI agents in engineering safely, with the sandboxes, guardrails and human checkpoints that make it possible * Take calm ownership of incidents, and make sure the system gets better afterwards, not just the moment ## Related Videos - [Optimizing Discovery: PostgreSQL's Role in Transforming GetYourGuide's Search](https://www.wearedevelopers.com/videos/1647-optimizing-discovery-postgresql-s-role-in-transforming-getyourguide-s-search) - [Understanding Kubernetes in a visual way](https://www.wearedevelopers.com/videos/100085-understanding-kubernetes-in-a-visual-way) - [This Machine Ends Data Breaches](https://www.wearedevelopers.com/videos/574-this-machine-ends-data-breaches) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Discover the open source trio you didn’t expect: .NET and PostgreSQL on Linux](https://www.wearedevelopers.com/videos/2042-discover-the-open-source-trio-you-didn-t-expect-net-and-postgresql-on-linux) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 137 - AI'm not sure about this](https://www.wearedevelopers.com/magazine/485-dev-digest-137-ai-m-not-sure-about-this) - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss)