Senior Rust Crypto Protocol Engineer (QKD)

SuperQubit Inc.; Toronto; On-site; CAD 120,000 - 170,000; Full time

Job summary

SuperQubit Inc. seeks a Senior Cryptographic Protocol Engineer to transform protocol specifications into a production-grade Rust implementation that securely manages key material across distributed nodes. You will work closely with cryptographers and QKD specialists in a security-focused environment.

The role emphasizes systems programming, cryptography, secure networking, and performance optimization. On-site work in Toronto with travel to project sites is required; strong background in Rust,

Qualifications

• Strong understanding of applied cryptography and cryptographic protocols.
• Experience building security-sensitive software with robust threat modeling.
• Proven ability to design and implement secure, scalable systems.

Responsibilities

• Implement a novel cryptographic protocol per a defined spec.
• Design core Rust-based implementation and secure interfaces with QKD infrastructure.
• Develop testing, performance, and security validation across distributed nodes.
• Travel between project sites as required.

Skills

Rust

Cryptography

Distributed systems

Networking

Security

Education

Bachelor's or Master's in CS/CE/EE/Cybersecurity/Math

Tools

C/C++

Python

Bash

Docker

Job description

SuperQubit Inc. seeks a Senior Cryptographic Protocol Engineer to transform protocol specifications into a production-grade Rust implementation that securely manages key material across distributed nodes. You will work closely with cryptographers and QKD specialists in a security-focused environment.

The role emphasizes systems programming, cryptography, secure networking, and performance optimization. On-site work in Toronto with travel to project sites is required; strong background in Rust,