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Senior Security Engineer

Europe🌐 Remote💼 Full-time🗓 2026-09-18 → 2026-09-26

Core

Own and elevate the end-to-end security posture of an open-source orchestration platform, infrastructure, and ecosystem by actively breaking systems and fixing vulnerabilities.

Role type

Senior Security Engineer (Offensive/Defensive)

Builds

A world-class security foundation for a fast-growing open-source and SaaS platform

Domain

Cloud security, Open Source Security, DevSecOps

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Penetration testing, Threat modeling, Vulnerability management, Cloud security (GCP), Container security (Kubernetes, Docker), Supply chain security, Security code review, Incident response, CI/CD security automation

Preferred skills

Open source community management, Security advisory writing

Technologies

Trivy, GitHub Security, Dependabot, Elastic Security, Docker, Kubernetes, Terraform, GCP, Java, Typescript, Javascript, PostgreSQL, Elasticsearch, Redis, Kafka, ELK, Prometheus, Grafana, GitHub Actions, ArgoCD

Responsibilities

Conduct hands-on penetration testing and threat modeling; Manage end-to-end vulnerability tracking across codebases and dependencies; Proactively fix security flaws by writing patches and submitting PRs; Audit and harden cloud infrastructure; Automate security tooling into CI/CD pipelines; Perform security code reviews and evaluate third-party dependencies; Lead incident response efforts; Own public security posture including vulnerability disclosure and CVE handling.

Seniority

Senior, hands-on IC

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