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Posted 25 days ago

Senior Computer Systems Engineer

@ Candu Energy Inc.

Mississauga, Ontario

Full-time10+ years experience
Apply now
SIGNALS

Overview

AtkinsRéalis, a Canadian nuclear engineering group, is hiring a Senior Computer Systems Engineer to design and verify safety, control and monitoring computer systems for CANDU nuclear plants. The role covers architecture design, safety-critical software development and technical leadership, and the posting asks for a Professional Engineer registration in Ontario and a relevant engineering degree.

Responsibilities:

  • Design safety, control and monitoring computer systems and architecture
  • Develop and test safety-critical software in IEC 61131-3, C, C++ and other languages
  • Prepare software requirements, design descriptions and manuals
  • Guide engineers and coordinate with clients, suppliers and disciplines
  • Manage project schedule, budget and reporting

Requirements summary:

  • Honours degree in computer or electrical engineering
  • Professional Engineer registration in Ontario
  • 10 to 12 years of computer controls experience preferred, may be waived
  • Experience at nuclear power stations or I&C modernization an asset
  • Familiarity with CSA, IEEE and nuclear QA standards an asset
  • Strong leadership, communication and teamwork skills

Tools & skills

Source and dates

Employer career site / ATS feed · workday

Employer posting date
2026-10-12
First seen by our source
2026-10-13
Source record updated
2026-11-05

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentEngineering
Experience10+ years
Hours per week40 (estimated)
Work settingOffice
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
Licences & certificationsProfessional Engineer (Ontario)
EducationBachelor’s degree (required)
Fields of studyComputer engineering, Electrical engineering
Perks mentionedFlexible hours, Wellness, Paid training

Summary and details written by AI from the posting; the employer’s posting is the authority.

Candu Energy Inc.

FieldValue
Open jobs on Jobsy227
Job description

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

  • Perform conceptual and preliminary design of safety, control and monitoring computer systems to define the system requirements, computer architecture, product/tool technologies and evaluate system performance and reliability.
  • Evaluate digital I&C system products and establish processes and procedures for their use in computer software design, development and verification & validation (V&V).
  • Execute software engineering tasks including software requirements specification, software design descriptions, coding, verification, testing, and documentation.
  • Develop software and scripts using a variety of programming languages/toolsets/environments including, but not limited to: IEC 61131-3 languages, C, C++, Varian/SSCI-890/PDP11 Assembler, Fortran, Pascal, Visual Studio, LabView, XML, Qt.
  • Prepare requirements and develop tools for test/development systems as needed for the production of safety critical software.
  • Update and/or prepare Computers Engineering design documents including software requirements specifications, software design descriptions, and software manuals.
  • Prepare guides and procedures following international standards for work practices related to quality software for safety applications in the nuclear industry.
  • Coordinate and interface with clients, suppliers, and other engineering disciplines within the company.
  • Provide technical guidance and instruction to engineers on the team.
  • Deliver technical presentations accurately and effectively.
  • Manage assigned work effectively, including prioritizing, executing, managing schedule and budget, and reporting, to meet project goals.

About you

  • Relevant Honor's degree in computer or electrical engineering from a university of recognized standing.
  • Registered as a Professional Engineer in Ontario.
  • Minimum 10 -12 years of experience in a computer controls environment is preferred but may be waived.
  • Experience at an operating nuclear power station or a similar installation would be an asset.
  • Previous experience with methodologies and processes used for I&C modernization of a nuclear power plant would be an asset.
  • Familiarity with instrumentation and control system functions, configurations and equipment as used for CANDU 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 strong leadership and interpersonal skills as well as a strong customer focus and the ability to work in a multidisciplinary team environment.
  • 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.

Worker Type

Employee

Job Type

Regular

At AtkinsRéalis, we seek to hire individuals with diverse characteristics, backgrounds and perspectives. We strongly believe that world-class talent makes no distinctions based on gender, ethnic or national origin, sexual identity and orientation, age, religion or disability, but enriches itself through these differences.

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