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🥝 Cryptanalyst / Crypto-Scientist (Various levels)

Communications Security Establishment Canada | ottawa, Canada | Posted June 01, 2026

Job Description

Reference number: RF-15909

About CSE

The Communications Security Establishment (CSE) is Canada’s agency responsible for foreign signals intelligence, cyber operations and cyber security. Learn more about our mission.

CSE is committed to fostering a culture of equity, diversity and inclusion. This isn’t just an ideal, it’s crucial to our mission. Find out about our workplace culture, including our diversity and inclusion initiatives.

Become part of our team and you’ll understand why CSE is the most important organization you’ve never heard of (YouTube).

Job summary

Join our team as a Cryptanalyst or Crypto-Scientist and work in a dynamic and innovative operational environment. At CSE, you’ll apply your analytical and problem-solving skills to a variety of problems in support of the Signals Intelligence (SIGINT) and Cyber missions. You’ll learn and apply advanced cryptanalytic and cryptographic techniques to defeat encrypt...

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