Wirtek Romania

Security Software Engineer – Cryptography, Identity, Python

Wirtek Romania

contract

Posted on:

Location Type: Hybrid

Location: Cluj-Napoca • Norway

Visit company website

Explore more

✨ AI Apply
Apply

Tech Stack

AzureDockerLinuxPythonVault

About the role

  • Architect & Develop: Build a robust Python backend to manage the lifecycle of X.509 certificates, AES, and DES keys.
  • Identity Orchestration: Implement complex authentication flows, including OAuth2/Entra ID integration and token exchange for HSM access.
  • Secure Integration: Establish secure communication via TLS-secured TCP to HashiCorp Vault and HSM environments.
  • Cryptographic Operations: Design and implement key wrapping, unwrapping, and derivation logic (master keys to product-specific keys).
  • Deployment: Containerize services using Docker and manage secure networking via reverse proxies (Traefik).

Requirements

  • Strong Python Development: Proven experience building production-grade backend applications and consuming/implementing REST APIs.
  • Identity & Access: Deep understanding of OAuth2, OpenID Connect, and integration with Azure AD / Entra ID.
  • HSM Knowledge: Practical experience interfacing with Hardware Security Modules (e.g., Thales/Luna) via API/TLS protocols.
  • Cryptography Fundamentals: Proficiency in AES-128/256, DES/TDES, and secure key lifecycle management.
  • Infrastructure: Solid experience with Docker, Linux server operations, and TLS handshake mechanisms.
  • HashiCorp Vault: Experience with Vault operations, policy design, and secrets engines (nice-to-have).
  • Security Design: Experience in threat modeling and data-at-rest/transit protection (nice-to-have).
  • Network Security: Experience configuring ingress controllers/reverse proxies like Traefik (nice-to-have).
Benefits
  • On-site Work Expectations: Work on-site in Norway initially (first month). Remote work acceptable after first month.
  • Travel required for secure operations/testing.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
PythonREST APIsOAuth2OpenID ConnectAESDESDockerLinuxTLSCryptography