Junior/Intermediate Piping Layout Engineer/Designer

AtkinsRéalis

Mississauga, CAhybridPosted Jul 19, 2026
Posting intelligenceActively listed

Skills

classification

About the role

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

This position requires an individual who is self-motivated and capable of working independently or under the instruction from a senior technical engineer and develop his/her career and experience in nuclear field.

The candidate shall be able to follow the instructions from a qualified professional engineer, to complete the assigned mechanical related scopes or tasks and develop necessary engineering design documentation as required.

The qualified individual will be responsible for, but not limited to, the following:

Perform engineering work following AtkinsRéalis/Candu Energy QA programs, and applicable codes, standards, and regulation requirements.

Coordinate and interface with client, suppliers, stakeholders and other design disciplines or department to execute assigned engineering work.

Involve in conceptual, preliminary, and/or detailed design of CANDU or Nuclear process systems and modifications under supervision of a P.Eng.

Prepare detailed design of Piping supports, pipe sizing, and piping and equipment layout with review in (S3D, Smart Plant Review).

Prepare Design Change Package (DCP) and Design Change Notice (DCN) packages following customer procedures.

Prepare technical documents, such as: engineering drawings (including GA, ISO, pipe supports, flow diagrams), change paper markups, calculations, design/analysis reports, design requirements, design manuals, bill of materials, design specifications, technical specifications, data sheets, system classification lists, code classifications, commissioning specifications, etc.

Prepare TSSA registration packages for pressure boundary modifications.

Perform site visits to client and supplier shops as required.

Perform field walk-downs during different design phases as required.

Support field construction and execution activities, such as: field changes, design revisions, commissioning, AFS, closeout, etc.

Provide prompt response and engineering resolutions on any critical engineering related matters.

Complete the assigned scopes or tasks within given budget and schedule, and in excellent quality.

About you

Engineering Degree in Mechanical from an accredited university or equivalent degree as recognized by Professional Engineers Ontario (PEO).

Registered as an Engineer-In-Training or eligible to be registered as a Professional Engineer in the Province of Ontario.

2 to 5 years of related work experience in mechanical engineering within a heavy industrial environment such as: mining, oil & gas, power, nuclear etc.

Site experience in construction, or commissioning of plant mechanical systems for nuclear or other heavy industries would be an asset.

Working knowledge of CSA N285.0 and CSA B51, CSA N289 and ASME Section III and ANSI B31.1 codes and any other applicable standards or regulatory guides related to permanent plant components, pressure boundary equipment, and/or reactor systems is preferred.

Knowledge of principles and considerations to layout piping systems from tubing up to large bore piping systems while taking into consideration piping stress analysis and supports.

Basic knowledge of mechanical and piping systems or equipment (knowledge of CANDU nuclear systems would be an asset).

Must be able to apply technical principles in a logical and practical manner to resolve engineering issues or technical problems.

Demonstrate good interpersonal skills and the ability to work in a multidisciplinary team environment.

Shall have excellent communication and technical writing skills.

Must be willing to become a Nuclear Energy Worker (NEW), although this will not be a regular requirement as part of the job.

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.

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.

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.

Questions about this role

Click "Apply with AI Applyd" above and you are done. Your resume is rewritten for this advert, the screening questions are answered, and it is submitted on AtkinsRéalis's own hiring system. No retyping your history, no fourteen tabs, no evening lost.

Compensation for Software Engineer roles in Canada varies widely by seniority, employer size, and remote vs onsite arrangement. Check the salary range on this listing when published, or browse our Software Engineer hub for Canada medians across recent openings.

You never touch the form - the application is filled and submitted for you on AtkinsRéalis's own hiring system. It is not marked sent when we press submit. It is marked sent when a confirmation from their system arrives at the address we apply with, and your dashboard shows which stage each application is at until then.

Twelve applicant tracking systems have a real apply path: Workday, Greenhouse, Lever, Ashby, Workable, iCIMS, Personio, Recruitee, Teamtailor, Rippling, Breezy and SmartRecruiters. Your application goes in on the employer's own hiring system, never into an aggregator queue.

Want AI Applyd to auto-apply to roles like this?

We tailor your resume per posting, fill the forms, and track replies for you.