AtkinsRéalis logo

Reactor Components Design Engineering Assistant

AtkinsRéalis

Hybrid
Mississauga, ON
Full-time
Entry
Mid Level
Salary not listedPosted 2mo ago

Real job — pulled straight from AtkinsRéalis’s careers page · Verified July 7, 2026 · No reposts.

Job description

AtkinsRéalis is hiring a Reactor Components Design Engineering Assistant — a full-time, based in Mississauga, ON role. Apply directly on AtkinsRéalis's careers page below.

Reactor Components Design Engineering Assistant

Location: CA.ON.Mississauga.2251 Speakman Drive

Time Type: Full time

Job Description

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.

Your role

  • Perform conceptual and detail design engineering work for one or more reactor components to applicable codes, standards and procedures.
  • The design activities include but are not limited to the preparation of design documents, technical reports, including technical calculations and drawings.
  • Supervised by senior engineers, while adhering to project plans and schedules, conduct phases of engineering work such as supporting proposal preparation, design engineering, testing, procurement, as well as manufacturing, and installation support.
  • Prepare responses to technical questions, from reviewers or clients.
  • Report progress on day-to-day work to leads and managers.
  • Develop information and prepare technical documents, such as: engineering drawings and bill of materials, calculations, design specifications, design assessment, design requirements, design manuals, technical specifications (for procurement, fabrication, and site installation), testing specifications and reports, commissioning specifications, etc.
  • Support the leads in preparing TSSA registration packages for pressure boundary designs.
  • Support the leads in interfaces with the regulatory bodies, such as: TSSA and CNSC, as required.
  • Perform reviews and design verification for the design and engineering work done by others, per qualifications.
  • Support field construction and execution activities, such as: field changes, design revisions, commissioning, as needed.

About you

  • Bachelor's or Graduate degree in Mechanical Engineering (or equivalent) from a university of recognized standing.
  • Recent graduate up to 6 years of Mechanical Design experience.
  • Experience in classical stress calculation.
  • Trained and experienced in the application of GD&T is an asset.
  • Ability to work as part of a multi-disciplinary team.
  • Ability to work independently and demonstrate problem-solving skills.
  • Drive for continuous learning.
  • Good time management skills.
  • Strong written and oral communication skills.

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.

Get Design Engineer jobs like this

New roles from thousands of companies land hourly, straight from their careers pages. Get the freshest matches by email so you never miss one.

Email me new jobs
Olsson Associates logo

Mechanical Engineering Internship

Fayetteville, AR
✓ From careers page· 19m ago
Olsson Associates logo

Mechanical Engineering Intern

Lincoln, NE
✓ From careers page· 19m ago
Olsson Associates logo

Mechanical Engineering Intern

Overland Park, KS
✓ From careers page· 19m ago
Olsson Associates logo

Mechanical Engineering Intern, Data Center Facilities

North Kansas City, MO
✓ From careers page· 19m ago

Frequently asked questions

What skills are required for Reactor Components Design Engineering Assistant at AtkinsRéalis?

The required skills for Reactor Components Design Engineering Assistant at AtkinsRéalis include: Mechanical Engineering.

What is the seniority level for Reactor Components Design Engineering Assistant at AtkinsRéalis?

Reactor Components Design Engineering Assistant at AtkinsRéalis is a Entry / Mid Level level position.

How do I apply for Reactor Components Design Engineering Assistant at AtkinsRéalis?

You can view the full description and apply for Reactor Components Design Engineering Assistant at AtkinsRéalis on EchoJobs: https://echojobs.io/job/atkinsr-alis-reactor-components-design-engineering-assistant-7z3i5.