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Added 3 mins ago
Senior Java Developer (Deployment Security Team/Citi)
RE Partners
Mississauga, ON
Senior Java Engineer - Deployment Security & Software Reliability
Added 18 mins ago
S
Engineering Manager
SYSTRA
Toronto, ON
- Full-time
Develop understanding of schemes in sufficient detail to support meetings, deconflictions, interfaces etc.
Added 18 mins ago
GTM Engineer
Poka EN
Montreal, QC · Quebec, QC
We're proud to support global leaders like Nestlé, Bosch, Mars, and Danone across 3,000+ sites in 70+ countries. And as a fast-growing part of the IFS family, you'll join a team whose daily…
Added 18 mins ago
Internal Communication Systems Team Lead
L3Harris Technologies
Ottawa, ON
Development of use-cases and system configuration sheets to support software and systems integration;
Added 18 mins ago
ZI
Electrical Engineer
ZenaTech Inc.
Toronto, ON
- $70,000 to $80,000 CAD / year
- Full-time
ZenaTech is a Nasdaq-listed technology company focused on AI drone, Drone as a Service (DaaS), and Technology solutions for mission-critical applications for business and governments. We…
Added 18 mins ago
M
Senior Android SDK Developer (AI-Native Engineering)
MapsPeople
Richmond Hill, ON
- Full-time
…the future of spatial intelligence and indoor navigation. To support this journey, we are looking for an experienced Senior Android Developer who works AI-first: someone who uses AI coding…
Added 18 mins ago
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Senior Design Engineer - Dampers
Multimatic
Markham, ON
- Full-time
Multimatic’s Damper Design team is looking for a talented Senior Design Engineer to help create innovative solutions for the most advanced OEM applications. The Senior Design Engineer will…
Added 18 mins ago
TI
Kubernetes Security Engineer
Themesoft Inc.
Toronto, ON
- Contract
Provide guidance and support to developers and operations teams on secure containerization practices, images scanning and runtime protection.
Added 18 mins ago
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Automation Engineer
Adecco
Ottawa, ON · Kanata, ON
- $63,000 to $86,000 CAD / year
- Contract
Adecco is currently hiring an Automation Engineer to join an innovative engineering team focused on industrial automation, machine control, software development, robotics, metrology, and…
Added 18 mins ago
MI
Senior Backend Engineer, Integrations
Movable Ink
Toronto, ON
- Full-time
…delivered correctly for each of the various providers that we support. We are looking for someone to help us scale and meet future demand. There’s lots to do and lots to learn, so we hope…
Added 33 mins ago
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Senior / Staff Engineer, Applied AI (Float Intelligence)
Float
Remote, Canada
- Full-time
- Remote
We use technology, including artificial intelligence (AI), to support parts of our hiring process. This may include AI-assisted scheduling and candidate communications, and AI-generated…
Added 33 mins ago
A
Forward Deployed AI Engineer - Associate Manager
Accenture
Calgary, AB · Vancouver, BC · Ottawa, ON · Toronto, ON
- Full-time
This is not a consulting role. It is not a project delivery role. It is not a research position. A Forward Deployed AI Engineer-Associate Manager is a production engineer who works embedded…
Added 33 mins ago
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Senior QA Engineer (6-month Contract)
Lazer
Remote, Canada
- Contract
- Remote
We’re looking for a Senior QA Engineer to own quality on a large enterprise Shopify program. You’ll shape the testing approach, guide the QA effort on the project, and keep stakeholders…
Added 33 mins ago
EG
Roadway Lead - Major Projects
Egis Group
Toronto, ON
- $150,000 to $190,000 CAD / year
- Full-time
Support multidisciplinary engineering coordination to resolve technical conflicts and interface issues between disciplines.
Added 33 mins ago
VI
Staff Information Security Engineer - Threat Detection & Response
Visier Inc.
Vancouver, BC
- Full-time
…life for HR departments through our award-winning, agentic AI technology by surfacing the insights leaders need to plan, decide, and act with confidence in the moments that matter most. As…
Added 33 mins ago
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Senior Electrical Engineer – Power Systems & High Voltage
BBA Consultants
Toronto, ON
- Full-time
Guide projects from feasibility and technology selection through grid interconnection, detailed design, construction support and commissioning.
Added 33 mins ago
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Transformation Director / Infrastructure project manager
Zodiac Solutions, Inc
Toronto, ON
- Full-time
…and deliverables of several infrastructure workstreams that support the major changes planned across our organization related to physical presence initiatives in our World Headquarters in…
Added 33 mins ago
AC
Mechanical Designer (Skid system/process piping)
ALTEN Canada
Toronto, ON
- Full-time
…our unwavering commitment to excellence shaping the future of technology and…
Added 33 mins ago
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Azure Cloud Platform Engineer with Azure Databricks, Azure Data Factory deployment experience
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Toronto, ON
- Contract
The Platform Engineer will primarily support the environment used by Data Engineers and Power BI teams, particularly across Azure Databricks, Azure Data Factory, Storage and associated…
Added 33 mins ago
AS
Quality Engineer
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Canada
- Full-time
Ecolab Inc. is a global company focused on advancing solutions that support clean, safe, and efficient operations. CoolIT Systems, an Ecolab company, was founded in Calgary, Alberta, in…
Added 33 mins ago
TI
Containerization Security Engineer
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Toronto, ON
- Contract
Provide guidance and support to developers and operations teams on secure containerization practices, images scanning and runtime protection.
Added 33 mins ago
H
Adobe Site Reliability Engineer
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Toronto, ON
- $110,000 to $120,000 CAD / year
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…experiences that reach millions worldwide. As a Site Reliability Engineer, you'll be at the forefront of ensuring our platform remains fast, resilient, and secure - making a direct impact…
Added 33 mins ago
AS
Full Stack Developer
AgileGrid Solutions
Canada
- Full-time
This position is suited to an engineer who enjoys balancing hands-on development with technical collaboration. You will help shape APIs and microservices, contribute to cloud-based…
Added 33 mins ago
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Bilingual Senior L3 AI Engineer
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- Full-time
…technical challenges? We are seeking a dynamic Senior Level 3 AI Engineer to be at the forefront of our AI product support and deployment initiatives. This is your chance to play a pivotal…
Added 48 mins ago
Accounts Payable Technician - Freight
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Celestica International LP

OT Systems/Applications Design

Newmarket, ON, Canada

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Job details

Experience: 5 to 7 years of related experience;
Posting language: English
Posted: Oct 21, 2026

Original job description

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

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.

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More about this job

Responsibilities

Lead site operational technology design, integration, security, and lifecycle management, bridging corporate IT compliance with factory-floor operations while protecting production continuity. Develop and maintain applications and infrastructure for manufacturing systems, lead technical projects, test and troubleshoot solutions, and coordinate with internal teams, suppliers, customers, and contractors.

Requirements

The role calls for 5–7 years of related experience and a bachelor’s degree or an equivalent combination of education and experience. Candidates should bring strong infrastructure and programming skills, including Java, PHP, HTML, and SQL; Linux and IT hardware knowledge are assets, and candidates must meet Canadian Controlled Goods Program eligibility requirements.

Skills

Operational Technology Security
Systems Design
Systems Integration
Application Development
Java
PHP
HTML
SQL
Linux
ZFS
Disaster Recovery
Requirements Engineering
Reliability Engineering
Testing and Troubleshooting
Project Coordination
Technical Documentation

Visa sponsorship

Not detected in the job text

Keywords

Operational Technology
OT Security
Corporate IT Compliance
Factory-Floor Operations
Manufacturing Systems
Systems Design
Systems Integration
Application Development
Java
PHP
HTML
SQL
Linux
IT Hardware
Zettabyte File System
ZFS
High-Integrity Storage
Disaster Recovery
Production Equipment
Shop Floor Control Systems
Requirements Engineering
Reliability
Testing and Evaluation
Troubleshooting
Technical Proposals
System Architecture
Lifecycle Management
Business Continuity
Controlled Goods Program

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