Protect manufacturing operations as Celestica’s OT Security lead in Newmarket, Ontario, combining infrastructure expertise with application development skills.
This engineering position serves as a critical bridge between corporate IT compliance and factory-floor Operations Technology. You will secure industrial assets, preserve business continuity, and resolve zero-day vulnerabilities without impacting production. The role also covers production integrations, storage, disaster recovery, system analysis, and supplier coordination.
Key Responsibilities: Secure and modernize high-value industrial assets
Address site OT vulnerabilities while protecting production continuity
Integrate equipment applications with shop floor control systems




Analyze systems and recommend technical modifications
Liaise with suppliers, customers, contractors, and internal teams
Requirements: Five to seven years of related experience
Bachelor degree or equivalent education and experience
Programming skills in Java, PHP, HTML, and SQL
Infrastructure knowledge and high-initiative engineering approach
Linux and IT hardware knowledge are definite assets
Bring OT security, programming, infrastructure, and systems analysis capabilities to Celestica’s Newmarket manufacturing setting.

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📌 Manufacturing OT Security Engineer (Ontario)
🏢 Celestica
📍 Ontario