Candidates based in Germany, or with a German work permit, are preferred.

perimeter, infrastructure, IIDC Hub services, connections to message broker, IIDC Self Service Portal, manufacturer PKI and customer networks

Network and trust-zone design, segmentation, reverse proxy / TLS termination, OT-IT integration
Linux and OCI container hardening, container isolation, image provenance, secrets management, backup and disaster recovery
Container runtime environments (Docker, Docker Compose, Kubernetes)
API authentication/authorization, service-to-service identity, OWASP-class vulnerabilities, tenant isolation, audit
MQTT broker authentication/authorization and ACLs, database access control
Supply chain: dependency management, SBOM, artifact signing, CI/CD and secret security, authenticated offline updates
Logging, monitoring, incident response, coordinated disclosure
CRA risk assessment and technical documentation
Writes and reviews Python/FastAPI backend and integration code, including tests
Reads embedded C sufficiently to validate interfaces

IEC 62443, OT deployments, enterprise PKI/provisioning services, BRSKI/MASA, secure boot and firmware signing, penetration-test coordination

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Mirafra Technologies