Senior I&C Engineer

AtkinsRéalis; Mississauga; Hybrid; CAD 120,000 - 170,000; Full time

Benefits offered by this job

Hybrid working culture

Competitive compensation

Professional development opportunities

Time-off flexibility

Job summary

AtkinsRéalis is seeking a Senior Instrumentation & I&C Engineer in Canada to join a growing team supporting nuclear projects. You will define control system requirements, size and select instrumentation, and lead design deliverables while mentoring junior engineers.

The role involves QA compliance, cross-disciplinary coordination, and site support across refurbishment and new build initiatives. The ideal candidate has 10+ years in I&C engineering in nuclear or heavy industry, a relevant

Qualifications

• 10+ years of experience in instrumentation and control engineering in nuclear or heavy industrial environments.
• Engineering degree in Electrical, I&C, Automation or related discipline.
• P.Eng. in Ontario or eligible to obtain.
• Experience with delivering engineering deliverables (specifications, drawings, analyses).
• Familiarity with CSA/IEEE nuclear QA programs and relevant codes.

Responsibilities

• Prepare and update design descriptions, functional specs, I/O lists, wiring diagrams.
• Define system functional and performance requirements, control algorithms, setpoints and instrument ranges.
• Perform specification, sizing and selection of instrumentation and control components.
• Lead engineering assignments and provide technical leadership; mentor junior staff.
• Coordinate with multidisciplinary teams, clients, vendors and procurement activities.
• Support project execution via site visits, commissioning support, and ensure schedule/budget targets are met.

Skills

Instrumentation & Control

I&C system design

Engineering leadership

Education

Electrical Engineering

I&C Engineering

Automation Engineering

P.Eng. Ontario or eligible

Tools

SmartPlant SPI/SP3D

Job description

AtkinsRéalis is one of Canada's largest private-sector nuclear engineering organizations, with more than 60 years of experience supporting the nuclear industry in Canada and globally. Our nuclear business is experiencing strong growth, driven by a robust pipeline of refurbishment and new build projects. As part of this momentum, Candu Energy Inc., an AtkinsRéalis company, has partnered with Ontario Power Generation (OPG) to deliver the Darlington New Nuclear Project (DNNP). This landmark project is leading the deployment of the GEH BWRX-300 Small Modular Reactor (SMR), the first grid-scale SMR in Canada. We are currently seeking a Senior Instrumentation & Controls (I&C) Engineer to join our growing engineering team.

Your role

• Prepare and update engineering deliverables such as design descriptions, functional specifications, instrument data sheets, I/O lists, and wiring diagrams.
• Define system functional and performance requirements, control algorithms, setpoints, and instrument ranges.
• Perform specification, sizing, and selection of instrumentation and control components and equipment.
• Perform engineering work in compliance with QA programs, codes, standards, and regulatory requirements.
• Plan and independently execute engineering assignments, including electrical design using industry software.
• Develop conceptual, preliminary, and detailed designs, and prepare/review deliverables such as calculations, reports, drawings, and specifications.
• Coordinate with multidisciplinary teams, clients, vendors, and support procurement activities (e.g., EQRs, vendor document reviews).
• Provide technical leadership, mentor junior staff, lead defined work scopes, and participate in design reviews, planning, and technical meetings.
• Support project execution through site visits, construction/commissioning assistance, issue resolution, and ensure quality, schedule, and budget targets are met.

About You

• Engineering degree in Electrical, I&C, Automation, or related discipline from an accredited university.
• Registered Professional Engineer (P.Eng.) in Ontario or eligible.
• Minimum 10 years of experience in instrumentation and control engineering in nuclear or heavy industrial environments.
• Experience preparing and reviewing engineering deliverables such as specifications, drawings, and analysis documents.
• Experience in I&C system design including control logic, instrumentation, and system integration.
• Experience with SmartPlant (SPI/SP3D) or similar tools. would be an asset
• Familiarity with applicable codes and standards (e.g., CSA, IEEE, nuclear QA programs).
• Experience in nuclear power plant projects (new build, refurbishment, or modifications) would be an asset

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

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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.