Lead operational technology systems design in Newmarket, Ontario, combining Java, PHP, HTML, and SQL with industrial infrastructure expertise. This is an onsite position.

Celestica seeks a Lead Engineer, Systems/Applications, serving as the site OT lead. You will integrate production equipment, secure industrial assets, and maintain applications supporting shop floor control. The work spans requirements engineering, reliability, testing, disaster recovery, and system lifecycle management.

Key Responsibilities

Bridge corporate IT compliance and factory-floor operational technology

Develop applications integrating production equipment with shop floor controls

Address OT vulnerabilities while protecting production continuity





Build software solutions and maintain legacy manufacturing applications

Design, test, troubleshoot, and document technical systems

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 familiarity with Linux operating systems

Canadian citizenship or permanent residency for Controlled Goods requirements

Apply systems engineering, programming, and OT security expertise to support Celestica manufacturing operations in Newmarket.

📌 Lead OT Systems Applications Engineer (East Gwillimbury)
🏢 Celestica
📍 East Gwillimbury