ThreatLocker Specialist

Celestica

📍 Toronto, Ontario, Canada

Full-time Computer Occupations Posted June 19, 2026

Job Description

08 - Specialist, Information Security
Req ID:
Remote Position: Hybrid 
Region: Americas 
Country: Canada 
State/Province: Ontario
City: Toronto 

Summary

This role is critical for ensuring endpoint application control remains secure and usable for engineering teams, particularly by acting as a dedicated support function during the stabilization phase of a Default-Deny rollout. 


In this role, you will be responsible for designing, implementing, auditing, and maintaining ThreatLocker policies across our organization (and/or client environments). You will play a critical role in preventing ransomware, malware, and unauthorized software execution by managing Application Whitelisting (Allowlisting), Ringfencing, Storage Control, and Elevation Control.


The ideal candidate has a strong background in system administration or cybersecurity, possess a deep understanding of Windows operating systems, and is passionate ab...