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Posted 5 days ago

Mechanical Engineer, Senior, Nuclear

@ Hatch

Mississauga, Ontario

10+ years experience
Apply now
SIGNALS

Overview

Hatch is hiring a Senior Mechanical Engineer for its nuclear team in Mississauga, Ontario, to lead mechanical design and project deliverables. The work covers engineering work packages, design reviews, regulatory registration documentation and client and vendor relationships. The posting states a base salary range of $131,000 to $181,000 and a flexible work environment.

Responsibilities:

  • Prepare engineering work packages within budget and schedule
  • Develop and review mechanical design deliverables
  • Prepare design assurance certificates and engineering reports for regulatory registration
  • Participate in design reviews and HAZOP and safety reviews
  • Mentor junior and intermediate engineering staff

Requirements summary:

  • Mechanical engineering degree (B.Sc/B.Eng)
  • Ontario professional engineer registration or eligibility
  • Minimum 10 years of mechanical project engineering experience
  • Experience leading mechanical teams on nuclear projects
  • Experience with nuclear QMS standards CSA N286, NQA-1 or ISO 19443
  • Valid Canadian security clearance or ability to obtain one

Tools & skills

Source and dates

Employer career site / ATS feed · successfactors

Employer posting date
2026-11-02
First seen by our source
2026-10-09
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

SenioritySenior
DepartmentEngineering
Experience10+ years
Work settingOffice, Client sites
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
Licences & certificationsProfessional Engineer Ontario, Security clearance Canada
EducationBachelor’s degree (required)
Fields of studyMechanical engineering
Security clearanceOther clearance
Perks mentionedPerformance bonus

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

Hatch

Saved company profile

Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.

Pursuing positive change by partnering with our clients in the infrastructure, energy, and metals industries.

Full company description

Our organization is passionately committed to the pursuit of a better world through positive change. We embrace your visions as our own and partner with you to develop better ideas that are smarter, more efficient, and innovative. Our global network of 10,000 professionals work on the world’s toughest challenges. Our corporate roots extend back more than a hundred years, and our experience spans over 150 countries around the world in the metals, energy, infrastructure, digital, and investments market sectors. We are employee-owned and independent—free to bring our best thinking to your business. Our exceptional, diverse teams combine vast engineering and business knowledge, working in partnership with our clients to develop market strategies, manage and optimize production, develop new game-changing technologies, and design and deliver complex capital projects. We work closely with the communities in which we serve to ensure that our solutions optimize environmental protection, economic prosperity, and cultural vibrancy. We want their businesses, ecosystems, and communities to thrive, both now and into the future. Our people are passionate about our corporate purpose and values. We believe in long-term relationships with our partners, and are committed to our clients’ lasting success. We are “entrepreneurs with a technical soul.”

LinkedIn followers
438,826
People associated on LinkedIn
11,087
Reported office locations
  • 2800 Speakman Dr, Mississauga, Ontario L5K2R7, CA
Business categories
  • Business Development
Other recorded names
  • Hatch
Specialties
  • Mining & Metals
  • Energy
  • Infrastructure
  • Consulting
  • Technologies
  • Construction Management
  • Sustainability
  • Operational Performance
  • Engineering
  • Project Management
  • EPCM
  • Climate Change
  • Digital
  • Economic Impact
  • Design
  • Environment
  • Earth Science
  • Community Engagement
  • Hydrogen
  • Urban Design
  • P3
  • Oil & Gas
  • Power
  • Rail
  • and Ports
Profile identifies a recruitment agency
No
Reported total investment
0

Currency and observation date were not supplied; this is not a current valuation or a funding round.

Our organization is passionately committed to the pursuit of a better world through positive change. We embrace your visions as our own and partner with you to develop better ideas that are smarter, more efficient, and innovative. Our global network of 10,000 professionals work on the world’s toughest challenges. Our corporate roots extend back more than a hundred years, and our experience spans over 150 countries…

FieldValue
IndustryProfessional Services
Company size5,001-10,000 employees
HeadquartersMississauga, Ontario
Organization typePrivately Held
Year founded1955
SpecialtiesMining & MetalsEnergyInfrastructureConsultingTechnologiesConstruction ManagementSustainabilityOperational PerformanceEngineeringProject Management
Open jobs on Jobsy251
LinkedInView page
Job description

Requisition ID: 101225

Job Category: Energy

Location: Mississauga, ON, Canada

Join a company that is passionately committed to the pursuit of a better world through positive change. With more than 70 years of business and technical expertise in mining, energy, and infrastructure, our 10,000 colleagues in 150 countries tirelessly work toward bettering the industries in which we operate. With practical solutions that are safe, innovative and sustainable, we think globally while acting locally. Are you looking for an opportunity to join a diverse group of professionals who are committed to remaining exceptional? We look forward to hearing from you.

Our energy expertise in the oil and gas sector comprises the entire value chain - upstream, midstream, and downstream; and in the power sector includes thermal, nuclear, waterpower, renewable, hybrid, transmission and distribution, and grid modernization. Join our vision of a low-carbon world and help make positive change!

Are you looking to take the next step in your career? Hatch is currently seeking a highly motivated Senior Mechanical Engineer- Nuclear to join our team in Mississauga.

The global energy transition is upon us. As we shift to a low carbon world, meeting the growing demand for energy will require revolutionary thinking and a variety of resources. While the market is challenging, these challenges present the biggest opportunities, and catalysts for change.

In the nuclear sector, we’re busier than ever. We believe in the power of this carbon-free power source in our fight to tackle climate change. Our teams are supporting the nuclear power renaissance with projects supporting existing plants, small and advanced modular reactor designs, nuclear sustainability for waste processing and volume reduction, long-term storage, and fusion energy development – to name just a few.

If you’re an entrepreneur with a technical soul, we want to hear from you. Join our team today and help make a consequential difference.

You will be a part of our growing nuclear team where we ensure world-class project delivery through the skills of our people, methodologies, governance, and systems. Responsibilities will include, but not be limited to:

  • Prepare engineering work packages ensuring budgets and schedules are met
  • Define mechanical project requirements as they are related to scope, cost and schedule
  • Develop and/or review mechanical deliverables such as design requirements, design criteria, engineering calculations and systems analysis, technical specifications, design criteria, datasheets, layouts, and more
  • Prepare design completion assurance certificates, analysis statements and engineering reports for registration and fitness of service assessments
  • Support classification of nuclear and non-nuclear code boundaries
  • Seal documentation required with regulatory bodies for registration of systems such as Canadian Registration Numbers (CRN)
  • Assist with technical queries raised during construction and commissioning of projects
  • Willingness to mentor junior and intermediate staff
  • Interface with other engineering disciplines including participation in design reviews
  • Participate in HAZOP, COMS and other safety related reviews as required
  • Actively manage relationships with clients and vendors
  • Provide input to engineering, operating and capital cost estimates

You bring to the role:

  • B.Sc/B.Eng in mechanical engineering
  • Registration as a professional engineer in Ontario, or eligible to obtain
  • Valid security clearance for Canada, or the ability to obtain
  • Minimum 10 years’ experience in project engineering specific to mechanical design
  • Experience in leading mechanical teams in multidisciplinary nuclear projects
  • Experience working inside a nuclear quality management system compliant with CSA N286, NQA-1, and/or ISO 19443
  • Familiar with CSA N285, ASME Section III Boiler and Pressure Vessel Code, ASME B31.1 Power Piping, and B31.3 Process Piping
  • Excellent communication and interpersonal skills
  • Excellent planning and organizational skills
  • Ability to function with minimum supervision
  • Experience in client engagement as a mechanical lead in nuclear projects
  • Familiar with engineering management lead in nuclear projects
  • Experience working in the Canadian nuclear industry with clients such as Ontario Power Generation, Bruce Power and Canadian Nuclear Laboratories
  • Experience with engineering change control (ECC) processes within the Canadian nuclear industry including CANDU station configuration management systems
  • Preference for those with DTL or DE qualifications at Canadian nuclear facilities
  • Eligible to work on export-controlled projects subject to 10 CFR 810

Base salary range: $131,000 - $181,000

At Hatch, we are committed to fair and equitable compensation practices. In accordance with legislated pay transparency requirements, the expected salary range for this position is based on current market data and aligned with internal pay structures to ensure consistency and fairness.

Your individual compensation within this range will depend on factors such as skills, experience, qualifications and location. In addition to base pay, our total rewards package may include performance-based incentives, comprehensive benefits, and other programs designed to support your well-being and growth.

Why join us?

  • Work with great people to make a difference
  • Collaborate on exciting projects to develop innovative solutions
  • Top employer


What we offer you?

  • Flexible work environment
  • Long term career development
  • Think globally, work locally

Don't meet every single requirement? You don't need to. At Hatch, we are building a diverse, inclusive workplace that fosters innovation. If you're interested in this role, we encourage you to apply even if your past experiences don't perfectly align with the skills we've listed.

We're committed to fostering a workforce that reflects the diversity of the communities in which we operate and serve. Hatch is an Equal Opportunity Employer that considers applicants without regard to age, race, color, national origin, citizenship, religion, creed, gender, sexual orientation, marital status, disability, veteran, or any other protected status. If you have any accommodation requirements, please let us know. We'll do our best to meet your needs in accordance with applicable local legislation.

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