Security Architect

Lead security architecture initiatives for Blockstream's systems.

• •Lead security architecture initiatives across Blockstream's systems, designing secure solutions and guiding implementation to protect infrastructure and products.
• •Key Responsibilities Design and evaluate secure system architectures and cryptographic controls.
• •Define identity and access management, authentication, and authorization strategies.
• •Conduct threat modeling and security reviews across projects.
• •Collaborate with engineering teams to implement security best practices.
• •Requirements Experience designing security architectures for distributed systems.
• •Strong knowledge of cryptography and IAM concepts (SSO, MFA, OAuth/JWT).
• •Ability to perform threat modeling and risk assessments.
• •Experience working with engineering teams to operationalize security controls.