Careers & Opportunities

Securing cloud data & guaranteeing data integrity.

We operate across cloud cybersecurity, automated data protection, and continuous integrity verification. Join SIENNA to help organizations defend against silent corruption, exfiltration, and ransomware, ensuring their critical cloud storage remains verifiable, tamper-evident, and fully sovereign.

Sovereign Cloud & S3 Security

Engineering robust, zero-trust integrity controls for modern cloud object storage.

High-Performance Distributed Systems

Distributed cryptographic algorithms, sub-minute anomaly detection, and FinOps pipelines.

Direct Impact & Engineering Ownership

Flexible Paris HQ or remote setup with direct ownership over critical cyber-resilience technology.

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Prefer email directly? Send your application to careers@tamper.one.