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AtkinsRéalis

Senior PSA (Probabilistic Safety) Analyst

Mississauga, ON, Canada

Job type: Full-time
Apply by: Oct 30, 2026
Experience: A relevant Engineering degree with at least 10 years of relevant experience.
Posting language: English
Posted: Sep 30, 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.

The department of Probabilistic Safety Analysis at AtkinsRéalis (Candu Energy) is engaged in probabilistic safety analysis (PSA) in support of existing and new CANDU Nuclear Power Plants both domestic and international.

AtkinsRéalis is looking to hire a Senior Probabilistic Safety AnalysisAnalyst. The incumbent will work with other junior and senior staff to develop and apply advanced analysis methodologies to perform PSAs and other PSA related safety analyses for existing, refurbishment and new build. These include issues related to hazard identification, Level 1 PSA, Level 2 PSA, Level 3 PSA, seismic, flood and or fire safety assessments, failure mode and effect analyses, internal and external events. The incumbent are also expected to be able to develop training material in PSA and review PSA documents, have strong analytical and technical skills in PSA, and be ready to take on various technical tasks within a short period of time.

Your role

Responsible for probabilistic safety assessments of plant systems especially in the area of internal events, shutdown, internal fire, internal flood and seismic events as well as other external hazards
Responsible for conducting reliability systems assessments (process and safety), especially safety systems e.g. emergency core cooling, containment,) balance of plant, and plant operation and safety related systems.
Interfacing with clients/projects to assess operational and safety issues and advising on potential solutions.
Preparing and/or reviewing work proposals for internal and external clients.
Developing risk monitor and generation risk assessments.
Knowledge of PSA methodologies, codes and standards (e.g. Canadian, US, IAEA).
Developing, plan, schedule, conduct or coordinate detailed phases of the analysis work for a project of large scope.
Proposing/developing approaches to be used on safety analysis tasks.
Supervise the work of staff in a multi-discipline setting, provide technical guidance and leadership to junior engineers and technical employees ensuring work is performed consistent with project requirements
Provide positive reinforcement and act proactively to encourage positive relationships and teamwork.

About You

A relevant Engineering degree with at least 10 years of relevant experience.
Excellent knowledge of the CANDU design, including both NSP (especially safety systems) and BOP
Broad knowledge of system operation, plant response and understanding of underlying reliability principles.
Able to work closely and effectively with the clients in a client/consultant relationship.
Proficient in CAFTA suite of computer codes, CFAST and/or RiskSpectrum an asset.
Proven leadership skills, as technical guidance to assist and supervise analysts with good communication skills.
Experience in licensing activities would also be an asset.
Understanding of light water reactor design and PSAs an asset.
Ability to work to budget and schedule. Must be willing to travel occasionally to participate in walkdowns, meetings and workshops.
Eligible for nuclear energy worker (NEW).

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.

Please note that this job posting is intended for you to express your interest in future opportunities within AtkinsRéalis.

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More about this job

Responsibilities

Conduct and review probabilistic safety and reliability assessments for CANDU nuclear plants, covering internal events, shutdown, fire, flood, seismic events, and other hazards. Lead and coordinate analysis work, advise clients, develop proposals and risk assessments, and provide technical guidance to junior staff.

Requirements

Requires a relevant engineering degree and at least 10 years of relevant experience, with strong knowledge of CANDU design, plant systems, operations, and reliability principles. Candidates should have technical leadership and communication skills, be able to work to budget and schedule, and be willing to travel; experience with PSA software, licensing, and light water reactor analysis is an asset.

Skills

Probabilistic Safety Analysis
Level 1, Level 2, and Level 3 PSA
Internal Events Analysis
Shutdown Safety Assessment
Fire and Flood Safety Assessment
Seismic and External Hazards Assessment
Reliability Systems Assessment
CANDU Nuclear Plant Design
Safety Systems Analysis
Risk Monitor Development
Risk Assessment
PSA Methodologies, Codes, and Standards
CAFTA
CFAST
RiskSpectrum
Technical Leadership

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

Probabilistic Safety Analysis
CANDU
Nuclear Power Plants
Level 1 PSA
Level 2 PSA
Level 3 PSA
Internal Events
Shutdown Analysis
Internal Fire
Internal Flood
Seismic Analysis
External Hazards
Failure Mode and Effects Analysis
Reliability Assessment
Emergency Core Cooling
Containment Systems
Balance of Plant
Risk Monitors
Risk Assessment
CAFTA
CFAST
RiskSpectrum
Nuclear Licensing
Safety Systems
PSA Codes and Standards
Client Consulting
Technical Leadership
Project Scheduling
Light Water Reactors

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