OT Systems/Applications Design

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Date: Oct 21, 2026

Location: Newmarket, ON, CA

Company: Celestica International LP

Req ID: 141715
Remote Position: No
Region: Americas
Country: Canada
State/Province: Ontario
City: Newmarket

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

Summary

Systems & Applications Design is an interdisciplinary field of engineering that works with cross functional teams of other engineers, customers, supply chain and project leadership to ensure robust and high quality product development.

The Lead Engineer, Systems/Applications is the Site Operational Technology (OT) lead that designs, integrates, and manages complex systems over their life cycles. They are engineering leads engaged in issues such as requirements engineering, reliability, logistics, coordination of different teams, testing and evaluation, maintainability and many other disciplines necessary for successful system design, development, implementation, and ultimate decommission. Enhance designs with feedback from reviews in areas such as manufacturing, test, supply chain, reliability, industrial design and simulations.

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

Knowledge/Skills/Competencies

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 environment.
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, Inc. (NYSE: CLS; TSX: CLS) is a technology leader dedicated to driving customer success and market advancements. With deep expertise in design, engineering, manufacturing, supply chain, and platform solutions, Celestica enables critical data center infrastructure for AI, cloud, and hybrid cloud and advances technologies in high-growth markets. With a talented team and a strategic global network, Celestica helps its customers achieve competitive advantages.

Today, Celestica delivers innovative supply chain solutions globally to customers in strategic two operating and reporting segments: Advanced Technology Solutions (ATS) and Connectivity and Cloud Solutions (CC):

ATS: This segment serves customers in complex, regulated and high-reliability markets such as Industrial & Smart Energy, Aerospace & Defense, Semiconductor Capital Equipment, and HealthTech. It is engineering led, with deep expertise in design, manufacturing and lifecycle solutions.

CCS: This segment focuses on high-performance technology solutions and services for the data center, serving hyperscalers, digital native customers and enterprises. Celestica's Platform Solutions offering provides innovative and customizable computing, storage and networking solutions enabling AI-driven growth.

Built on a legacy of trust and performance, Celestica has earned its reputation by delivering results in complex and fast-changing markets. Celestica exceeds customer expectations by identifying trends and staying ahead of the curve. Backed by comprehensive capabilities and a global network across North America, Europe and Asia, Celestica helps customers gain competitive advantage with the quality, flexibility and resiliency they need to respond quickly to shifts in demand. Guided by a bold vision to accelerate market advancements, Celestica delivers innovative solutions and technologies that turn complexity into opportunity. Anchored in teamwork and commitment, Celestica strives to be the most trusted partner to its customers and colleagues worldwide.

We use artificial intelligence tools to assist in screening and assessing applications for this role. All hiring decisions involve human review.

This posting is for an existing vacancy.

Celestica would like to thank all applicants, however, only qualified applicants will be contacted.
Celestica does not accept unsolicited resumes from recruitment agencies or fee based recruitment services.

Job Segment: Testing, Logistics, Cloud, Supply Chain, Data Entry, Technology, Operations, Administrative

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