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Added 2 days ago
DD
Senior Software Engineer - Backend
Dominion Dynamics
Toronto, ON
- Full-time
…networks, where bandwidth is scarce, connections drop, and the cloud may not be reachable at all. Keeping that working is the…
Added 2 days ago
B
Software Developer, DevOps
Benevity
Remote, Canada
- Full-time
- Remote
Benevity is looking for a Senior DevOps Developer to own and operate the cloud infrastructure and developer platforms that our product teams build on every day. In this hands-on engineering…
Added 2 days ago
HA
Senior Software Engineer
H2 Analytics
Remote, Canada
- $120,000 to $170,000 CAD / year
- Full-time
- Remote
Before a training exercise starts, exercise staff build a fictional world of organizations, people, and equipment, and write the intelligence reports and other documents the training…
Added 2 days ago
DD
Senior Software Engineer - Backend
Dominion Dynamics
Toronto, ON
- Full-time
…networks, where bandwidth is scarce, connections drop, and the cloud may not be reachable at all. Keeping that working is the…
Added 2 days ago
PR
Sr Lead-IT Infrastructure Ops (Associate Manager)
Peel Regional Police
Brampton, ON
- $165,396 to $179,322 CAD / year
- Full-time
…the day-to-day operational delivery of all on-premises and cloud infrastructure services including Network, Unified Communications (UC), Audio Visual (AV), Compute, Storage, Backup,…
Added 2 days ago
IA
Windows Engineer II
IT Accel, Inc.
Toronto, ON
- Full-time
We are seeking a Senior Windows Engineer to develop enterprise Windows standards, automation frameworks, and technical solutions within a financial services environment. This position will…
Added 2 days ago
E
Staff Backend Engineer
Emumba
Remote, Canada
- Full-time
- Remote
We're looking for a highly skilled Staff Backend Engineer to design and build robust, scalable, and secure distributed systems. As a critical member of our engineering team, you'll use your…
Added 3 days ago
TS
Infrastructure Analyst
T&T Supermarket
Richmond, BC
- $65,000 to $85,000 CAD / year
- Full-time
Collaborate with infrastructure team, stakeholder and third party to design, engineer, implement, and maintain technology solutions
Added 3 days ago
EA
Staff Data Engineer
exacare ai
Canada
- Full-time
We’re looking for a Staff Data Engineer who thrives in an environment with strong ownership and can drive complex data initiatives from concept to production. You’ll build the pipelines,…
Added 3 days ago
C
Principal Architect
Camis
Guelph, ON
- Full-time
…leadership role (e.g., Software Architect, Technical Architect, Staff Engineer, Principal Engineer, or…
Added 3 days ago
LA
Cybersecurity Engineer
Legislative Assembly of Ontario / Assemblée législative de l’Ontario
Toronto, ON
- Full-time
…incident response and mitigation, threat hunting operations; cloud security, and as well as implementation of security controls and…
Added 3 days ago
C
Senior Staff Data Engineer
Cohere
Remote, Canada
- $275,000 to $450,000 USD / year
- Full-time
- Remote
Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems.
Added 4 days ago
Q
Telemetry Firmware/Driver Development, Staff
Qualcomm
Markham, ON
- Full-time
…a smarter, connected future for all. As a Qualcomm Software Engineer, you will design, develop, create, modify, and validate embedded and cloud edge software, applications, and/or…
Added 4 days ago
S
Staff Software Engineer, Deployment Platform
Stripe
Canada
- Full-time
Agency to shape technical strategy. As a Staff engineer on Service Deployments, you will set technical direction for the team's systems, author designs that span multiple teams, and be the…
Added 4 days ago
MR
Cybersecurity Engineer (Research Infrastructure)
MATS Research
Canada
- £155,000 to £220,000 GBP / year
We think about security in two closely related areas. The first is research and infrastructure security - the machine-operational attack surface: the compute cluster, CI/CD pipelines, cloud…
Added 4 days ago
SI
Staff Backend Engineer (Payments and Billing)
Scribd, Inc.
Toronto, ON · Vancouver, BC
- Full-time
…AI-generated work to the same human-review, correctness, and security bar as anything else we…
Added 4 days ago
RC
Temporary Network Analyst (1.0 FTE)
Renfrew County Catholic District School Board
Pembroke, ON
- Temporary
JOB SUMMARY: Under the direct supervision of the Manager of Technology and Security Services, the Network Analyst is responsible for ensuring the stable, secure, and compliant operation of…
Added 4 days ago
BC
Staff Software Engineer
Blackpoint Cyber
Remote, Canada
- $147,500 to $188,000 CAD / year
- Full-time
- Remote
We are seeking a Staff Software Engineer who will help solve complex technical and operational problems in the cybersecurity industry. Candidates will directly support Blackpoint's…
Added 4 days ago
Staff Platform Engineer
Clutch Technologies Inc.
Toronto, ON
Platform Engineering is becoming a strategic investment at Clutch, and we're looking for our first dedicated Staff Platform Engineer to help define what that looks like.
Added 4 days ago
OT Systems/Applications Design
Celestica International LP
Newmarket, ON
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…
Added 4 days ago
Site Operational Technology Lead
Celestica International LP
Newmarket, ON
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…
Added 4 days ago
MR
Cybersecurity Engineer (Research Infrastructure)
MATS Research
Canada
- Full-time
We think about security in two closely related areas. The first is research and infrastructure security - the machine-operational attack surface: the compute cluster, CI/CD pipelines, cloud…
Added 5 days ago
Q
Staff Machine Learning Framework, Complier & Performance Engineer
Qualcomm
Canada
- Full-time
We are inventing, developing, and commercializing power-efficient on-device AI, edge cloud AI, and 5G to make this a reality. New Position
Added 5 days ago
AW
Data Engineer, Temporary
Aviso Wealth
Remote, Canada
- Temporary
- Remote
Reporting to the Sr Director, Data Platform Delivery and Engineering, the Data Engineer is responsible for designing, building, and collaborating with Development, Security, and TSP Ops…
Added 5 days ago
AW
Data Engineer, Temporary
Aviso Wealth
Remote, Canada
- Temporary
- Remote
Reporting to the Sr Director, Data Platform Delivery and Engineering, the Data Engineer is responsible for designing, building, and collaborating with Development, Security, and TSP Ops…

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

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.

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More about this job

Responsibilities

The Lead Engineer designs, integrates, and manages complex Operational Technology (OT) systems while acting as a bridge between corporate IT compliance and factory-floor operations. They are responsible for developing software solutions, maintaining high-integrity storage systems, and ensuring the security of industrial assets.

Requirements

Candidates must have 5 to 7 years of related experience and a bachelor degree or equivalent combination of education and experience. Proficiency in Java, PHP, HTML, SQL, and Linux operating systems is required, along with the ability to meet Canadian Controlled Goods Program security requirements.

Skills

Systems design
Applications design
OT security
Java
PHP
HTML
SQL
Linux
ZFS
Requirements engineering
Troubleshooting
Project coordination
Disaster recovery
Industrial automation
IT compliance

Visa sponsorship

Not detected in the job text

Keywords

OT
Operations Technology
Systems Design
Applications Design
Engineering
Java
PHP
HTML
SQL
Linux
ZFS
IT Compliance
Cybersecurity
Manufacturing
Disaster Recovery
Industrial Assets
Requirements Engineering
Reliability
Logistics
Testing
Troubleshooting
Software Development
Controlled Goods Program
Celestica
Infrastructure
Hardware
Data Analysis
Project Management
System Architecture
Automation

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