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OT Systems/Applications Design

Date: Oct 21, 2026

Location: Newmarket, ON, CA

General Overview

Functional Area: Engineering
Career Stream: Design Engineering Systems Applications
SAP Short Name: LEN-ENG-DSA
Job Level: Level 08
IC/MGR: Individual Contributor
Direct/Indirect Indicator: Indirect

Detailed Description

Performs tasks such as, but not limited to, the following:

- Act as the critical bridge between corporate IT compliance and factory-floor Operations Technology (OT), directly securing, modernizing, and maintaining high-value industrial assets while ensuring business continuity.
- Responsible for developing and maintaining applications that integrate production equipment with the shop floor control system.
- Site OT Security lead ensuring zero-day vulnerabilities are addressed with no impact to production.

Building new software solutions from scratch and maintaining legacy applications to keep manufacturing operations agile and responsive to shifting business needs.
- Maintaing High-Integrity Storage & Disaster Recovery systems for production equipment with familarity with Zettabyte File System (ZFS).
- Design, develop and implement technical solutions in two or more technical areas. Lead smaller projects and may coordinate with other engineers including reviews of their work.
- Review and interpret customer documentation, conduct appropriate research, analysis and experiments with minimal direction from senior staff.
- Create technical proposals (solution and timelines) based on requirements.
- Research systems ideas and draw up plans for these systems
- Design, modify and implement systems that meet customer and Celestica needs.



E.g. Architecture of solution: Divide up tasks for various engineering teams to execute taking into consideration requirements engineering, reliability, logistics, coordination of different teams, testing and evaluation, maintainability and many other disciplines necessary for successful system design and field support.
- Test, simulate and measure (including troubleshooting) the performance of systems
- Keep up to date with relevant industry knowledge and regulations
- Solve complex problems
- Liaison with suppliers, customers, contractors, and other internal teams.
- Analyze and interpret data and information
- Recommend system modifications
- Create reports and documentation

The ideal candidate is an autonomous, high-initiative engineer who pairs deep infrastructure knowledge with robust programming skills in Java, PHP, HTML, and SQL.

IT hardware skills and knowledge of Linux Operating systems is a definite asset.

Physical Demands

- Duties of this position are performed in a normal office workplace.
- Duties may require extended periods of sitting and sustained visual concentration on a computer monitor or on numbers and other detailed data.
- Repetitive manual movements (e.g., data entry, using a computer mouse, using a calculator, etc.) are frequently required.




- Occasional travel may be required.

Typical Experience

- 5 to 7 years of related experience; Experience in similar job roles

Typical Education

Bachelor degree or consideration of an equivalent combination of education and experience.

Educational Requirements may vary by Geography

Notes

This job description is not intended to be an exhaustive list of all duties and responsibilities of the position. Employees are held accountable for all duties of the job. Job duties and the % of time identified for any function are subject to change at any time.

Celestica is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, pregnancy, genetic information, disability, status as a protected veteran, or any other protected category under applicable federal, state, and local laws.
At Celestica we are committed to fostering an inclusive, accessible environment, where all employees and customers feel valued, respected and supported. Accommodations are available upon request for candidates throughout the hiring process. If you require an accommodation, we will work with you to meet your needs.

This position involves technologies regulated by the Canadian government's Controlled Goods Program (CGP). Candidates must be Canadian citizens or permanent residents of Canada and meet all other requirements under CGP. Job offers will be conditional upon candidates undergoing a successful security screening per the Controlled Goods Regulations.

COMPANY OVERVIEW:

Celestica,

📌 OT Systems/Applications Design (Newmarket)
🏢 Celestica
📍 Newmarket