## Senior Mechanical EngineerApply: CA.
ON.
Mississauga.2251 Speakman Drive: Full time: Posted Today: End Date: December 31, 2026 (30+ days left to apply): R
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Job Description
Are you looking for a company that works on major engineering projects all over the world? Do you want to make a difference by improving the daily lives of communities worldwide? Are you seeking to join an inclusive and diverse team that you can truly count on? You’ve come to the right place Come join us in reshaping the future with AtkinsRéalis. AtkinsRéalis is dedicated to engineering a better future for our planet and its people. ##

Job Description
AtkinsRéalis is looking to hire a Senior Engineer. This position requires an experienced, self-motivated professional capable of working independently, leading complex engineering activities, and providing technical guidance to junior staff. The successful candidate will work in a quick-paced, multidisciplinary team environment delivering engineering services for nuclear power plants within a matrix organization. Job

Responsibilities:

* Prepare and review engineering documents, calculations, specifications, reports, drawings, procedures, and other technical deliverables.
* Lead conceptual, preliminary, and detailed design activities for nuclear power plant systems, structures, and components.
* Define engineering scope, technical requirements, deliverables, budgets, schedules, and resource needs.




* Coordinate multidisciplinary engineering activities and resolve technical and interface issues with clients, suppliers, project teams, and other stakeholders.
* Support engineering changes through the applicable engineering change control processes, from concept development through implementation, commissioning, closeout, and availability for service.
* Perform and review technical assessments, calculations, design evaluations, and verification activities in accordance with applicable procedures.
* Provide pre-order and post-order engineering support, including preparation of procurement documents, technical bid evaluations, supplier document reviews, and resolution of design deviations and non-conformances.
* Support manufacturing, fabrication, assembly, testing, installation, commissioning, and field activities, including site and supplier visits as required.
* Ensure work complies with applicable codes, standards, regulatory requirements, quality-assurance requirements, and client and company procedures.
* Interface directly with client engineering representatives and communicate technical matters clearly to peers, management, suppliers, and other stakeholders.
* Monitor and report on engineering progress, performance, risks, issues, and staffing needs to engineering and project management.
* Mentor junior engineers and technical staff, provide technical guidance, and contribute to knowledge

📌 Senior Mechanical Engineer (Mississauga)
🏢 AtkinsRéalis Group
📍 Mississauga