Apply now

Posted 3 months ago

Senior Mechanical Engineer - Plant Life/Extension

@ Candu Energy Inc.

Mississauga, Ontario

Full-time
Apply now
SIGNALS

Overview

Candu Energy Inc. is hiring a Senior Mechanical PLiM/PLEX Engineer at its Mississauga, Ontario head office. The role leads junior and intermediate engineers and supervises consultants and vendor teams on plant life management and extension work for nuclear power plants, including site visits. A Professional Engineer licence in Ontario and proven PLiM/PLEX experience are required; hybrid working is offered.

Responsibilities:

  • Lead and mentor junior and intermediate engineers on PLiM/PLEX work
  • Supervise consultants, contractors and vendor teams during operation and outages
  • Assess ageing degradation risks and develop mitigation strategies for plant systems
  • Prepare mechanical engineering input for specifications, layouts and test procedures
  • Conduct site visits to inspect equipment and recommend maintenance plans

Requirements summary:

  • Engineering degree in mechanical, process or nuclear engineering
  • Registered Professional Engineer in Ontario able to seal documents
  • Proven plant life management and extension experience, preferably on CANDU plants
  • Working knowledge of SAM software and nuclear codes and standards
  • Strong written and oral communication skills

Tools & skills

Source and dates

Employer career site / ATS feed · workday

Employer posting date
2026-07-27
First seen by our source
2026-10-08
Source record updated
2026-10-16

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

Job details

SenioritySenior
DepartmentEngineering
Manages peopleYes
Hours per week40 (estimated)
Travelground: moderate
Work settingOffice, Plant or factory, Client sites
PositionSitting and standing
Physical demandsphysical low · computer high
LanguagesEnglish
EducationBachelor’s degree (required)
Fields of studyMechanical Engineering, Process Engineering, Nuclear 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 Jobsy228
Job description

Job Description

Overview

Candu Energy Inc. is a leading full-service nuclear technology company providing nuclear power reactors and nuclear products and services to customers worldwide. Our 1,400 highly skilled employees design and deliver state-of-the-art CANDU® reactors, carry out life extension projects, provide plant life management programs and tools, and offer operation and maintenance services for existing nuclear power stations. This role is based out of the Candu Energy Inc home office in Mississauga, Ontario.

Candu Energy Inc. is looking to hire a Senior Mechanical PLiM/PLEX Engineer. This position requires experienced individuals who are self-starter capable of working independently. The individuals will work in a fast-paced team environment performing and leading engineering services for Nuclear Power Plants within a matrix organization.

Your role

  • Lead a team of junior and intermediate engineers, provide mentoring and coaching and impart training and plant life management and extension PLiM/PLEX knowledge transfer to develop human resources into long term corporate assets.
  • Work closely with and monitor and supervise the work of PLiM/PLEX consultants, contractors and vendor service teams for specific tasks and assignments during the normal plant operation and during the outage cycles.
  • Use working knowledge of PLiM/PLEX, Age Related Degradation Mechanism, Systematic Assessment of Maintenance, and FMEA procedures and techniques, work out and implement plant specific methodologies to proactively assess potential damages and put in place sound workable plans and strategies to mitigate the long and short term risks to enhance the plant life, maintain plant operational performance, reliability and safety of the systems, structures, equipment and components in the Nuclear Steam Plant and the Balance of Plant.
  • Provide support to the technical lead to perform conceptual and detail plant life management and life extension activities including systems decomposition, system analysis, criticality analysis, task selection and single point vulnerability assessments.
  • With a strong focus on PLiM/PLEX needs and requirements, interact with other related disciplines and provide mechanical and equipment engineering input for the preparation of technical deliverables including specifications, plant layout, inspection and test procedures, commissioning plans and registration design submissions for nuclear power plant (NPP) components and mechanical systems.
  • Coordinate with large scale new and existing nuclear power plants of considerable technical and commercial complexity and provide technical advice and guidance for the overall plant life management including critical systems and critical equipment covering: pumps, fans, motors, valves, heat exchanges, steam generators, pressure vessels, tanks, piping, HVAC systems, steam turbines, condensers, generators and associated mechanical components, as applicable to nuclear plants.
  • Define project work scope, monitoring and reporting project progress and communicating with clients.
  • Define project work scope, monitoring and reporting project progress and communicating with clients.
  • Conduct site visits at nuclear generating stations for plant and equipment inspection and testing, condition monitoring and recommend plans for preventive maintenance and long and short-term mitigation of degradation mechanism.
  • Assist other engineers and branch managers with daily engineering activities.

About you

  • Engineering degree from an accredited University in Mechanical, Process or Nuclear Engineering.
  • Registered Professional Engineer in the Province of Ontario, qualified to seal engineering documents.
  • Proven and industry recognized plant life management and extension experience, preferably in the Candu nuclear power plants, fossil fuel power stations, petrochemical plants or oil refineries covering major system and critical equipment, mechanical design and operation and maintenance of industrial machines, automation equipment and automated-tooling design, and/or in equipment engineering with extensive knowledge in pumps, fans, motors, valves, heat exchanges, steam generators, pressure vessels, tanks, piping, HVAC systems, steam turbines, condensers, generators and associated mechanical components, as applicable to nuclear plants.
  • A strong and well recognized team player with an understanding and proven experience of inter-discipline coordination and in developing maintenance-based design and working methodologies for risk assessment and management using mitigation methodologies for plant and equipment aging related degradation mechanisms.
  • Solid understanding of process systems, mechanics and working principles of large sized and complex rotating machines and static equipment, operation and maintenance procedures, mechanics of materials, material selection and fundamentals of machine component design.
  • Solid understanding and experience in equipment sizing, selection, and troubleshooting issues at plant sites.
  • Must have experience to use and provide support for the software program used to perform SAM.
  • Proven working knowledge of/ and establish experience using nuclear pressure boundary Codes and Standards, including CSA N285.0 and ASME Sections III and other applicable codes and standards.
  • Knowledge of/ and proven experience in Plant Life Management (PLiM)/Plant Life Extension (PLEX) including maintenance and refurbishments of critical equipment and system aging process and degradation mechanism and the use of application of proven mitigation methodologies to enhance the equipment life, operational performance, and reliability with specific focus on plant, environment and personnel safety.
  • Knowledge of/and experience in the philosophy and application of maintenance-based design strategies of CANDU nuclear power plants.
  • Understands the significance of and must have a thorough knowledge and proven experience in Age-Related Degradation Mechanisms (ARDMs) on Systems, Structures and Components.
  • Must have proven field experience in prevention and mitigation strategies that address systems and equipment issues related to the ARDMs.
  • Must have proven knows-how and recognized industry experience to address ARDMs and perform:
    • Condition assessments and life assessments of passive components and structures.
    • Systematic Assessment of Maintenance (SAM) analyses active components.
  • Must have an up-to-date knowledge of general maintenance theory (run to maintenance vs condition-based monitoring vs time-based maintenance.
  • Must be familiar with failure modes, effects, and criticality analyses (FMECA).
  • Must be conversant with the development and use of the equipment maintenance templates and its integration into the softwares.
  • Understands the working principles and repair and replace (RR) strategies and the factors that influence them.
  • Working knowledge and understanding of software.
  • Strong written and oral communication and technical report writing skills.
  • Willing to travel to and potentially work at Project sites to meet corporate needs (Note: the initial site location is at the Mississauga head office in Ontario).

Additional, preferred qualifications:

  • Historical knowledge of CANDU plant relevant equipment and components.
  • Hands-on knowledge of software.
  • Working knowledge of/experience with the CSA B51 standard, ANSI B31.1 codes, ASME Section VIII and other nuclear-power-plant applicable standards or regulatory guides related to permanent plant components, pressure boundary equipment, and/or reactor systems is 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

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.

Similar jobs

  • Senior Mechanical Engineer

    Ontario
    Full Time

    Sargent & Lundy: Founded in 1891, the firm is a global leader in power, energy, and decarbonization with expertise in grid modernization, renewable energy, energy…

    10+ YOECandidates need a BSME from a CEAB- or ABET-accredited program and 10 or more years in the electric power industry. Detailed mechanical design experience on gas turbine, combined cycle, coal, steam or reciprocating engine projects is required, along with strong technical writing skills.

    Mechanical engineering, Mechanical systems, Communication skills, Design process, Artificial intelligence, Research

  • Senior Mechanical Engineer

    Toronto, ON

    Kinross Gold Corporation: Kinross Gold Corporation is a senior gold mining company with a diverse portfolio of mines and projects in the United States, Brazil, Chile,…

    5+ YOECandidates need an engineering degree or equivalent experience, professional registration, and 5 to 8 years of related work. Mining experience is preferred, along with strong written and oral communication and attention to detail.

    Microsoft Word, Microsoft Excel

  • Mechanical Engineer

    Dryden, ON
    Full Time

    Dryden Fibre Canada, ULC

    Candidates need a Mechanical Engineering degree with eligibility for PEO certification, strong analytical and problem-solving skills, and a safety-oriented mindset. Strong written and oral communication, budget preparation and computer skills in SAP, MS Office and AutoCAD (an asset) are also required.

    SAP, MS Office, AutoCAD, maintenance scheduling software

  • Senior Mechanical Engineer, Material Handling (Sudbury)

    Greater Sudbury, ON
    Full Time

    WSP

    Candidates need a bachelor's degree in mechanical engineering and Professional Engineer registration in Ontario, or eligibility for it. Strong experience in bulk material handling, mineral processing or heavy industrial mechanical systems is required, with preferred experience in underground ore handling and brownfield upgrades.

    conveyors, crushers, feeders, chutes, bins, hoppers

  • Senior Mechanical Engineer, Mining & Metals

    Timmins, ON

    BBA

    Candidates need a seasoned mechanical engineering background with strong industrial knowledge, ideally in mining (material handling, pumping and piping), a strong design and project delivery record, and a sales-oriented, client-focused approach. Project management skills are an asset.

    Intermediate Mechanical Engineer

    Greater Sudbury, ON +1

    BBA

    Candidates need solid mechanical engineering experience with mining or process plant equipment, the ability to lead technical work and supervise engineers-in-training and drafters, and skill at client relations and technical presentations.

  • Senior Mechanical Engineer - Hydro

    Vancouver, BC +1
    $135k–$190k/yrFull Time

    Klohn Crippen Berger: KCB is a global engineering, geosciences, and environmental consulting firm driven by Passion, Integrity and a commitment to Excellence.

    15+ YOECandidates need a Mechanical Engineering bachelor's degree, a Canadian P.Eng. and at least 15 years of hydromechanical design experience. Strong senior review, technical writing, team leadership and client communication skills are required.

    Mathcad, Revit, Inventor, SolidWorks, MS Word, Excel

  • Junior Mechanical Engineer

    Pickering, ON
    Full Time

    Candu Energy Inc.

    Candidates need a bachelor's degree in an engineering discipline acceptable for PEO licensure progression and normally 0-3 years of relevant experience. Nuclear, power-generation, heavy-industry, co-op or project experience is an asset, along with strong written communication and a commitment to nuclear safety culture.

    Decision making, P.Eng., Mechanical systems, Engineering processes, Quality assurance, Inspection

Locations & environments

Locations

All of CanadaRemote · Hybrid · On-site · Field

Pro tip: add remote jobs to widen your search.

Exclude locations

Workplace type

Company jobs in these results

These are this company’s jobs loaded in your current search. The company may have more openings.