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AtkinsRéalis

I&C Lead Engineer

Mississauga, ON, Canada

Job type: Full-time
Apply by: Oct 29, 2026
Posting language: English
Posted: Sep 29, 2026

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Original job description

Overview

AtkinsRéalis is one of Canada's largest private sector nuclear engineering groups. We have been providing a wide range of services to the nuclear industry in Canada and around the world since for more than 60 years. We are proud to be the steward of Canadian CANDU nuclear technology.

Your role

Lead a team of I&C engineers to prepare I&C related tasks and deliverables.
To review and ensure I&C team deliverables are high quality, including design requirements, design description, elementary diagrams, functional specifications, Instrument data sheets, I/O list, etc., together with the supporting analysis/assessment documents and other design basis documents.
To track the schedule and progress deadlines, resolve complicate technical issues, provide inputs and guide the team, collaborate with the external and internal stakeholders
Represent I&C Design Engineering in the field during fabrication and construction.
Provide I&C design support to the construction team in the field for the execution of system design packages.
Lead the team to perform conceptual and/or detailed design of nuclear instrumentation and control systems and modifications, including definition of system functional and performance requirements and control algorithms, definition of control logic and wiring arrangements, control parameters, setpoints, instrument ranges and environmental qualification and seismic qualification.
Perform specification, sizing, and selection for various types of I&C components, and produce component related documentation including assessment documents, setpoint calculations, error analyses, technical specifications, etc.
Provide input to the drawing office for the preparation of various I&C related engineering drawings such as general arrangement drawings, instrument loop diagrams, wiring and connection diagrams, bills of materials, etc.
Interface with various engineering disciplines, suppliers, and other areas of the company.

About You

Registered Professional Engineer in the Province of Ontario, member in good standing (or P.Eng. application in final stage of approval).
BS Honors degree in a relevant field of I&C/Electrical/Automation engineering.
Minimum of 10 years of relevant design implementation/construction support experience (experience with green field construction and/or nuclear industry are assets).
Minimum 5 years of leadership experience in technical environment.
Experience with Smart plant instrumentation (SPI) and smart plant 3D is considered an asset.
Previous experience at an operating nuclear power station or a similar installation not required but would be an asset.
Familiarity with instrumentation and control system functions, configurations and equipment as used for nuclear plant process systems, safety systems, or safety-related systems, or for similar systems in other industries would be an asset.
Familiarity with industrial/nuclear QA programs and procedures along with pertinent CSA, IEEE, or related I&C engineering codes and standards would be an asset.
Demonstrate good technical skills and problem-solving capabilities and be able to seek practical solutions to engineering problems.
Demonstrate good interpersonal skills and the ability to work in a multidisciplinary team environment.
Willingness to become a Nuclear Energy Worker (NEW).
Excellent written and oral communication skills.

Rewards & benefits

Explore the rewards and benefits that help you thrive – at every stage of your life and your career at AtkinsRéalis in Canada.

Enjoy competitive compensation, employee recognition, and a brilliant range of flexible benefits you can tailor to your health, wellbeing, financial and lifestyle needs.

Make the most of diverse opportunities for training and professional development to grow your skills and expertise.

And take advantage of our hybrid working culture and generous time-off policies to balance a fulfilling career with your personal life.

Be rewarded. Find out more.

About AtkinsRéalis

We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's'infrastructure and energy systems. Together, with our industry partners and clients, and our global team of consultants, designers, engineers and project managers, we can change the world. We're committed to leading our clients across our various end markets to engineer a better future for our planet and its people.

Find out more.

Additional information

AtkinsRéalis cares about your privacy. AtkinsRéalis and other subsidiary or affiliated companies of AtkinsRéalis (referred to throughout as "AtkinsRéalis") are committed to protecting your privacy. Please consult our Privacy Notice on our Careers site to know more about how we collect, use, and transfer your Personal Data.

By submitting your personal information to AtkinsRéalis, you confirm that you have read and accept our Privacy Notice.

Appropriate accommodation will be provided upon request throughout the recruitment and hiring process as required by Company policy and the Accessibility for Ontarians with Disabilities Act (AODA).

Successful applicants will be notified about AtkinsRéalis' accommodation policies at the time the employment offer is extended, and the information will be shared with new personnel during the onboarding process.

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More about this job

Responsibilities

Lead I&C engineers in the conceptual and detailed design of nuclear instrumentation and control systems, review deliverables, resolve technical issues, and manage schedule and progress. Provide field support during fabrication and construction, coordinate with multidisciplinary teams and stakeholders, and oversee component specifications, analyses, and engineering documentation.

Requirements

Requires a relevant bachelor's degree, at least 10 years of design implementation or construction support experience, at least five years of technical leadership experience, and Professional Engineer registration in Ontario or an application in its final approval stage. Nuclear experience, SmartPlant tools, familiarity with nuclear I&C systems and applicable codes and quality programs, strong communication and problem-solving skills, and willingness to become a Nuclear Energy Worker are assets or additional expectations.

Skills

Instrumentation and Control Engineering
Technical Leadership
Nuclear Engineering
System Design
Design Review and Quality Assurance
Construction Support
Instrumentation Specification and Sizing
Control Logic and Algorithms
Setpoint Calculations
Error Analysis
Engineering Drawings
Stakeholder Collaboration
Problem-Solving
SmartPlant Instrumentation
SmartPlant 3D
Technical Communication

Benefits

Competitive Compensation
Employee Recognition
Flexible Benefits
Training and Professional Development
Hybrid Working
Generous Time-Off Policies

Visa sponsorship

Not detected in the job text

Keywords

Instrumentation and Control
Nuclear Engineering
CANDU
I&C Systems
Design Requirements
Functional Specifications
Elementary Diagrams
Instrument Data Sheets
I/O Lists
Control Algorithms
Control Logic
Wiring Arrangements
Setpoints
Environmental Qualification
Seismic Qualification
Setpoint Calculations
Error Analyses
Technical Specifications
Instrument Loop Diagrams
Bills of Materials
SmartPlant Instrumentation
SmartPlant 3D
Professional Engineer
Nuclear Energy Worker
Nuclear Quality Assurance
CSA Standards
IEEE Standards

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