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Added 5 months ago
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Staff Software Engineer ⭐
Achievers
Toronto, ON
- Full-time
Utilize a wide range of modern tools and technologies, including Python, Go, Kubernetes, Docker, Drone, Google PubSub, React/Redux, GraphQL, MySQL, PostgreSQL, and Microservices, to solve…
Added 5 months ago
IN
Senior Data Engineer
IKO North America
Mississauga, Ontario
- Full-time
…so, we have the perfect opportunity for you! As a Senior Data Engineer, you will ensure scalable and efficient data systems by addressing global operational demands, maintaining high data…
Added 4 months ago
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Staff Engineer Characterization
Infineon
Ottawa, ON
- Full-time
As a Staff Engineer Characterization in our Research & Development team, you'll have the opportunity to merge creativity with your technical expertise by shaping the future of technology,…
Added 5 months ago
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DevOps Engineer
Monark
Surrey, British Columbia · White Rock, British Columbia
- Full-time
We are hiring a DevOps Engineer to design, build, and maintain the infrastructure that powers our products. You will partner closely with engineering teams to deliver reliable, secure, and…
Added 5 months ago
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Mixed Signal Design Engineer
Ciena
Ottawa, Ontario
- $90,600 to $144,800 CAD / year
- Full-time
Familiarity with SystemVerilog, VerilogAMS, VerilogA, Matlab/Simulink, C/C++, Python languages
Added 5 months ago
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Structural Dynamics Engineer
Sapsol Technologies Inc
Montreal, Quebec
- Contract
Advanced programming skills in MATLAB, Python, Fortran, or C/C++.
Added 5 months ago
ST
Aircraft Loads Engineer
Sapsol Technologies Inc
Montreal, Quebec
- Contract
Mastery of programming and scientific computing using C++, Fortran, MATLAB, and Python, including version control (Git). - Strong familiarity with finite element analysis systems,…
Added 5 months ago
ST
Aircraft Structural Dynamics
Sapsol Technologies Inc
Remote, Canada
- Contract
- Remote
You have experience programming in Matlab, Python, Fortran, or C/C++
Added 5 months ago
ST
Aircraft Loads
Sapsol Technologies Inc
Remote, Canada
- Contract
- Remote
strong programming skills: C++, Fortran, MATLAB, and Python
Added 5 months ago
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Senior Data Engineer
NimbleRx
Toronto, Ontario
- Full-time
As a Senior Data Engineer, you will own Nimble's data platform - the layer that every other team builds on to understand the business, ship product features, and meet our compliance…
Added 5 months ago
Senior Data Platform Engineer
Helcim Inc
Calgary, Alberta
Helcim is searching for a Senior Data Platform Engineer to help lead the design, development, and ongoing evolution of the data platform that powers Helcim’s mission to become the world’s…
Added 5 months ago
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Registry Services Engineer
MinuteBox
Vaughan, Ontario · Toronto, Ontario
- Full-time
You will play a pivotal role in the customer journey as a Registry Services Engineer. In this role, you will own the technical backbone of our searches & filings product - the integrations,…
Added 5 months ago
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Nuclear Engineer (Neutronics Specialist)
CSMC
Woolwich, Ontario · Waterloo, Ontario
- Full-time
…mission critical deep tech systems. We are hiring a Nuclear Engineer with strong neutronics and reactor physics expertise to join our reactor design team and help build the physics…
Added 5 months ago
CN
Development Engineer
Canadian Natural
Calgary, Alberta
- Full-time
Make your mark while you grow your career! As a Development Engineer at Canadian Natural, you will play a key role in optimizing thermal production using SAGD, steam flood, and CSS…
Added 5 months ago
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Senior Sales Engineer
Revelate
Montreal, Quebec
- Full-time
Most Sales Engineer roles are about running demos and answering RFPs. This one is about building lasting customer relationships that mature with the product. Our customers are sophisticated…
Added 5 months ago
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Staff Machine Learning Engineer, AI Generation Engine
SandboxAQ
Remote, Canada
- $146,200 to $258,000 CAD / year
- Full-time
- Remote
SandboxAQ's AI Generation Engine (SAIGE) team is seeking a highly accomplished Machine Learning Engineer to take ownership of the end-to-end ML lifecycle, from initial data exploration and…
Added 5 months ago
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Senior Machine Learning Engineer, AI Generation Engine
SandboxAQ
Remote, Canada
- $119,000 to $210,000 CAD / year
- Full-time
- Remote
SandboxAQ's AI Generation Engine (SAIGE) team is seeking a highly accomplished Machine Learning Engineer to take ownership of the end-to-end ML lifecycle, from initial data exploration and…
Added 5 months ago
Data Engineer
Glint Tech Solutions LLC
Toronto, Ontario
We're hiring a hands-on Data Engineer to join the Total Fund Management Portfolio Management Technology team. The role focuses on building and optimizing large-scale cloud data systems with…
Added 5 months ago
AF
Automation, Controls & IIoT Engineer
Armstrong Fluid Technology
Toronto, Ontario
- Full-time
…brightest and most creative minds, driven by a shared mission to engineer the future and safeguard our…
Added 2 months ago
Private Cloud Engineer
Scotiabank
Toronto, ON
It is nice if you have hands-on technical working experience with Scripting (VMware PowerCLI, Backup automation, REST API scripting, PowerShell & Python
Added 2 months ago
Software Engineer (Java)
Scotiabank
Toronto, Ontario
Prime Services Technology is searching for a Software Engineer for Prime Services Data Interface (PSDI) platform – a central operational data store and data warehouse for Prime Services…
Added 5 months ago
Thermal Reservoir Engineer
Canadian Natural
Calgary, Alberta
Make your mark while you grow your career! As a Thermal Reservoir Engineer working for the Jackfish or Kirby areas, you have an opportunity to be a key player in a dynamic, collaborative…
Added 6 months ago
HT
Co-op Software Engineer - AI System & Infrastructure
Huawei Technologies Canada Co., Ltd.
Burnaby, British Columbia · Vancouver, BC
- Internship
Huawei Canada has an immediate Co-op opening for an Engineer.
Added 5 months ago
MF
Senior Software Development Engineer in Test
Magnet Forensics
Ottawa, Ontario · Toronto, Ontario · Waterloo, Ontario
- Full-time
We are seeking a highly skilled and experienced Senior Software Development Engineer in Test (SDET) to join our engineering team, supporting the development and deployment of our…
Added 5 months ago
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Principal Data Developer
BlueCat
Toronto, Ontario
- Full-time
We are seeking a highly skilled Data Principal Engineer with strong leadership, communication, and collaboration abilities to join our dynamic team. In this exciting role, you will help us…

CSMC

Nuclear Engineer (Neutronics Specialist)

Woolwich, ON, Canada
Waterloo, ON, N2V 2M7, Canada

Full-time

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Job details

Job type: Full-time
Posting language: English
Posted: Jun 2, 2026

Original job description

Nuclear Engineer (Neutronics Specialist)

Work Location: Waterloo, ON

About CSMC

Canadian Strategic Missions Corporation is developing advanced energy and aerospace technologies that include nuclear microreactors for space and extreme environments, quantum sensing platforms, and mission critical deep tech systems. We are hiring a Nuclear Engineer with strong neutronics and reactor physics expertise to join our reactor design team and help build the physics foundation of our micro modular reactor programs.

This is a hands on technical role in a fast moving environment. You will develop high fidelity neutronics models, run transport and diffusion simulations, support multiphysics integration, and contribute to first of a kind reactor concepts.

About the Role

You will work on neutron transport simulations, core physics modeling, reactivity and kinetics evaluations, fuel cycle and burnup analysis, multiphysics coupling with thermal hydraulics and structural teams, benchmark and validation work, and nuclear data processing. You will collaborate closely with engineering, safety, and program teams to produce defensible and auditable reactor physics outputs suitable for a regulated environment.

Key Responsibilities

Neutronics and Reactor Physics

Perform neutron transport and reactor physics simulations using Serpent2, OpenMC, MCNP, SCALE, DRAGON, MOOSE based solvers, or other neutronics and nodal diffusion codes

Build and maintain high fidelity core, lattice, reflector, and shielding models for microreactor concepts

Conduct reactivity coefficient evaluations, power distribution studies, burnup and depletion analysis, kinetics assessments, and control system behavior studies

Support core design optimization, fuel selection, reflector and shielding design, and neutronic performance trade studies

Multiphysics and Safety Integration

Work with thermal hydraulics engineers on coupled neutronics and thermal hydraulics analysis

Provide neutronics inputs for safety analysis, transient behavior, and extreme environment performance assessments

Nuclear Data and Verification

Process and interpret nuclear data libraries including ENDF B, JEFF, and JENDL

Perform sensitivity and uncertainty analysis using tools such as SCALE SAM or TSUNAMI

Conduct benchmark comparisons including ICSBF, Serpent benchmarks, MCNP benchmarks, and critical experiments

Documentation and Communication

Prepare technical reports, calculation packages, and design documentation suitable for regulated and auditable environments

Present findings in internal design reviews and to external stakeholders

Qualifications

Required

Bachelor’s, Master’s, or PhD in Nuclear Engineering, Engineering Physics, Reactor Physics, or a related field

At least two years of relevant experience in industry, research, or graduate level work

Demonstrated experience with at least one major neutronics code including OpenMC, Serpent2, MCNP, SCALE, DRAGON, the MOOSE suite, or other named neutronics and nodal diffusion codes

Strong programming and automation skills in Python, MATLAB, or similar tools

Solid understanding of reactor physics fundamentals including cross sections, transport theory, diffusion theory, burnup, kinetics, and reactivity feedback

Ability to produce clear and defensible technical documentation

Nice to Have

Experience with microreactors, space reactors, or fast spectrum systems

Experience with multiphysics coupling such as OpenMC MOOSE or Serpent CFD workflows

Familiarity with nuclear safety analysis, extreme environment reactor design, or shielding analysis

Experience with high performance computing environments

Knowledge of CSA N286 or N299, NQA 1, or other regulated quality frameworks

Why Join CSMC

CSMC is building technologies that will shape Canada’s future in energy, space, and national security. You’ll join a team of engineers, scientists, and mission‑driven builders who care deeply about solving hard problems that matter. We move quickly, support each other, and take pride in doing work that has real impact. Along the way, you’ll have access to competitive compensation, benefits, and equity, and the chance to grow with a company that values ownership, curiosity, and technical excellence.

Employment Eligibility CSMC works with highly sensitive nuclear, defence, and aerospace technologies, and all roles require eligibility for federal security screening and compliance with controlled goods and export regulations. Candidates must be legally authorized to work in Canada, able to obtain and maintain Government of Canada security clearance, and eligible to meet foreign affiliation and export control requirements. These conditions are mandatory Bona Fide Occupational Requirements and reflect the need to securely develop and protect nationally significant capabilities.

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More about this job

Responsibilities

Develop high-fidelity neutronics models and perform transport and diffusion simulations for micro-modular reactor programs. Collaborate with thermal hydraulics and safety teams to produce auditable reactor physics outputs for regulated environments.

Requirements

Requires a degree in Nuclear Engineering or a related field with at least two years of relevant experience. Proficiency in major neutronics codes and programming skills in Python or MATLAB are essential.

Skills

Neutronics
Reactor Physics
Neutron Transport Simulations
Core Physics Modeling
Reactivity and Kinetics Evaluation
Fuel Cycle Analysis
Multiphysics Coupling
Nuclear Data Processing
Python
MATLAB
Serpent2
OpenMC
MCNP
SCALE
DRAGON
MOOSE

Visa sponsorship

Not detected in the job text

Keywords

Neutronics
Reactor Physics
Microreactors
Serpent2
OpenMC
MCNP
SCALE
DRAGON
MOOSE
Python
MATLAB
ENDF B
JEFF
JENDL
Burnup Analysis
Kinetics
Thermal Hydraulics
Nuclear Safety
CSA N286
NQA 1
Controlled Goods Program
Export Control
Fast Spectrum Systems
Shielding Analysis
High Performance Computing
Nuclear Engineering
Deep Tech
Aerospace

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