Cryptanalyst / Crypto-Scientist (Various levels)

Cse Cst • ottawa, on, Canada • Posted May 30, 2026

Location ottawa, on

Job Type Full-time

Category Other-General

Posted May 30, 2026

Closing Date:  
Classification:  
UNMA-07 - UNMA-08 
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 . 
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 encryption or to design and evaluate cryptographic algorithms and protocols. You’ll also help develop innovative tools, new techniques, and recommendations for a wide variety of clients. 
Cryptanalysts and Crypto-Scientists at CSE perform one or more of the following functions: 
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