Posted 18 days ago
Safety Computers Systems Engineer
@ Candu Energy Inc.
Mississauga, Ontario
Overview
AtkinsRéalis is hiring a Safety Computers Systems Engineer to design and verify computerized safety, control and monitoring systems for the Canadian CANDU nuclear industry. The work covers requirements, software development, testing and cyber security documentation. The posting states a full-time, regular role with a hybrid working culture and a preference for 8-10 years of computer controls experience.
Responsibilities:
- Develop safety-critical software and test scripts
- Prepare requirements and preliminary designs for plant communications systems
- Evaluate computer vendor products for safety applications
- Develop cyber security processes and documentation
- Deliver technical presentations
Requirements summary:
- Honours degree in computer or electrical engineering
- Eligible for Professional Engineer registration in Ontario
- 8-10 years of computer controls experience preferred
- Experience with documented industry or international software standards is an asset
- Excellent written and oral communication
Tools & skills
Source and dates
Employer career site / ATS feed · workday
- Employer posting date
- 2026-10-19
- First seen by our source
- 2026-10-20
- Source record updated
- 2026-11-03
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Senior |
| Department | Software development |
| Experience | 8+ years |
| Hours per week | 40 (estimated) |
| Work setting | Office |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Licences & certifications | Professional Engineer (Ontario) |
| Education | Bachelor’s degree (required) |
| Fields of study | Computer engineering, Electrical engineering |
| Security clearance | Other clearance |
| Perks mentioned | Flexible hours, Paid training |
Summary and details written by AI from the posting; the employer’s posting is the authority.
Candu Energy Inc.
| Field | Value |
|---|---|
| Open jobs on Jobsy | 227 |
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
- Prepare requirements and preliminary designs for digital equipment systems such as the plant-wide communications network.
- Prepare requirements and develop tools for test/development systems as needed for the production of safety critical software.
- Execute software engineering tasks including software requirements specification, software design descriptions, coding, verification, testing, and documentation.
- Evaluate computer vendor products and prepare processes and procedures for implementing such products into the computer software design, development and V&V processes.
- Assist in planning activities associated with design, verification and testing of computerized safety, control and monitoring systems.
- Assist in preparation of work-scopes, design and quality requirements, and design plans for the various stages of computer systems development.
- Participate in the concept design of safety, control and monitoring computer systems to define the system requirements, computer architecture, product/tool technologies and evaluate system performance and reliability.
- Assist in preparation of guides and procedures following international standards for work practices related to quality software for safety applications in the nuclear industry.
- 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 Assembler, Fortran, Pascal, Visual Studio, LabView, XML, Photon.
- Test script development using in-house scripting languages.
- Update and/or prepare Computers Engineering design documents including software requirements specifications, software design descriptions, and software manuals.
- Interface with various engineering disciplines, suppliers, and other divisions within the company.
- Develop cyber security processes and documentation related to project activities (procurement, design, etc), and identification of vulnerabilities / controls for specific end-devices. Cyber security activities may require supplemental security clearances.
- 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 Honours degree in computer or electrical engineering from a university of recognized standing.
- Eligible to be registered as a Professional Engineer in the province of Ontario
- Minimum 8-10 years of experience in a computer controls environment is preferred
- Familiarity or experience with software design/development based on documented industry or international guidelines/standards is 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.
- 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.
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.
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
EmployeeJob Type
RegularAt 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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