Posted 9 days ago
Computer Control Specialist Engineer
@ Candu Energy Inc.
Mississauga, Ontario
Overview
AtkinsRéalis is hiring a Computer Control Specialist Engineer to design, specify, integrate and support digital instrumentation and control systems for CANDU nuclear generating stations. The role covers DCC, DCS, plant computer and safety-critical systems, networks and cybersecurity, with a P.Eng. or eligibility for registration expected. The posting states a hybrid working culture and generous time-off policies.
Responsibilities:
- Design and specify DCC, DCS and plant computer systems
- Develop I&C architecture for reactor and safety systems
- Perform FMEA, hazard analyses and reliability assessments
- Support FAT and SAT testing and software validation
- Resolve hardware and software integration issues
Requirements summary:
- Bachelor's degree in electrical, computer or software engineering
- P.Eng. or eligible for registration
- Experience with DCC, DCS, PLC and safety PLC platforms
- Knowledge of CSA N290 and IEC 61513 nuclear standards
- Experience with cybersecurity and reliability assessments
Tools & skills
Source and dates
Employer career site / ATS feed · workday
- Employer posting date
- 2026-10-28
- First seen by our source
- 2026-10-21
- Source record updated
- 2026-11-06
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Job details
| Seniority | Mid level |
| Department | Engineering |
| Hours per week | 40 (estimated) |
| Work setting | Office, Plant or factory |
| Position | Mostly sitting |
| Physical demands | physical low · computer high |
| Languages | English |
| Licences & certifications | P.Eng. |
| Education | Bachelor’s degree (required) |
| Fields of study | Electrical engineering, Computer engineering, Software engineering |
| 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
The Computer Control Specialist Engineer is responsible for the design, analysis, specification, integration, verification, and lifecycle support of digital Instrumentation & Control (I&C) systems used in CANDU nuclear generating stations. The role focuses on Distributed Digital Control Computers (DCC), Distributed Control Systems (DCS), plant computer systems, safety-critical computer systems, communication networks, cybersecurity, and overall I&C architecture supporting reactor control, process control, monitoring, and nuclear safety functions. The engineer ensures that computer-based systems meet nuclear safety, reliability, cybersecurity, licensing, and operational requirements throughout the design, refurbishment, commissioning, and operating phases of CANDU facilities.
Your role
- Develop and maintain computer control system architectures for CANDU nuclear plants.
- Design and specify Distributed Digital Control Computer (DCC) systems, Distributed Control Systems (DCS), Plant Process Computers (PPC), Human Machine Interfaces (HMI), Supervisory and Monitoring Systems, Data Historians and plant information systems.
- Define system requirements, functional specifications, and interface requirements.
- Prepare architecture diagrams, system descriptions, and design documentation.
- Perform engineering evaluations for safety-related computer systems.
- Develop and review Safety Design Requirements, Software Design Requirements, Functional Requirements Specifications, Failure Modes and Effects Analysis (FMEA), Hazard Analyses, Reliability Assessments.
- Ensure compliance with nuclear safety principles including Single failure criterion, Independence, Defense-in-depth, Diversity, Redundancy and Fail-safe design.
- Develop plant wide I&C architecture strategies by designing communication interfaces among Reactor regulating systems, Shutdown systems, Turbine control systems, Process control systems, and Emergency support systems.
- Evaluate Network segmentation, Data flow requirements, Communication protocols, Cybersecurity boundaries.
- Support modernization and digital upgrades. System Integration between: Control system vendors, Engineering disciplines, Operations personnel, and Licensing organizations.
- Review interface control documents and Resolve hardware and software integration issues.
- Support Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT).
- Review software lifecycle activities and quality assurance.
- Participate in requirements verification, Software validation, Code reviews, Configuration management, Software change control.
- Perform root cause investigations, recommend corrective actions and plant improvements.
About you
- Bachelor's degree in Electrical engineering, Computer Engineering, or Software Engineering
- Licensed Professional Engineer (P.Eng.) or eligible for registration.
- Experience with Deterministic safety analysis, Common Cause Failure (CCF) assessments, Diversity assessments, Software hazard analysis, Reliability analysis and Cybersecurity assessments.
- Experience with DCC platforms, DCS platforms, PLC systems, Safety PLCs, Networked control systems, Virtualized control environments, SCADA systems and Real-time operating systems.
- Thorough Knowledge of Candu Control Systems.
- CANDU Control Systems: Knowledge of Candu Control Systems for safety and non-safety applications commensurate with the role requirements.
- Thorough knowledge of CSA Nuclear standards (such as CSA N286 – Management System Requirements, CSA N290.14 – Qualification of Digital Safety Systems, CSA N290.7 – Cyber Security for Nuclear Facilities, CSA N290.1 – Safety Systems of Nuclear Power Plants, CSA N290.13 – Reliability Programs for Nuclear Power Plants and CSA N285/N299), International standards (IAEA Safety Standards, IEC 61513, IEC 60880, IEC 62138, IEC 61226 and other IEEE nuclear I&C standards) and CNSC REGDOCs.
- Thorough understanding of Control system architecture, Redundant network design, Ethernet-based industrial networks. Time synchronization systems, Fiber optic communications, IEC 61850 concepts and Cybersecure architecture.
- Architecture and Networking: Understanding of Control system architecture, Redundant network design, Ethernet-based industrial networks. Time synchronization systems, Fiber optic communications, IEC 61850 concepts and Cybersecure architecture.
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
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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.
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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