Senior Mechanical Design Engineer — Nuclear Systems Lead
Nuclear Promise X
A leading engineering firm in Canada is seeking a Senior Mechanical Design Engineer to deliver high-quality design solutions for nuclear facilities. In this role, you will lead complex design projects, provide technical direction, and mentor junior engineers. The ideal candidate will have a strong background in mechanical design and the ability to drive continuous improvement and innovation. The position offers competitive compensation and occasional travel to client sites in Bruce County.#J-18808-Ljbffr
- ...Lead nuclear HVAC design with P.Eng. accountability, complex heat-load calculations, and multidisciplinary execution from Mississauga, Ontario. This senior engineering role covers HVAC and mechanical systems for Nuclear Power Plants. You will lead detailed design, supervise...Senior
- ...AtkinsRéalis is seeking a Senior Mechanical Engineer with extensive nuclear experience to lead mechanical and piping SSC design packages from concept through to service, while mentoring junior engineers. The role requires interfacing with customer engineering representatives...Senior
- Westinghouse Electric Company LLC in Canada is seeking a Senior Engineer – Mechanical Systems and Equipment to lead design, analysis and implementation of complex mechanical systems for legacy and advanced reactor technologies. You will mentor engineers and coordinate with cross...SeniorWork at office2 days per week
$68.05k - $103.97k per year
Description Under the direction of the Mechanical Project Lead, this position will offer you the opportunity to work with multi-disciplined engineering and design project teams in developing mechanical physical layout drawings in a 3‑D model. Challenging assignments that...SeniorHourly payInternshipWork at officeRemote workWork from home- Apply mechanical engineering fundamentals to CANDU nuclear systems at AtkinsRéalis, supporting calculations, drawings, specifications, and field activities under P.Eng. supervision.This Junior Mechanical Engineer supports pressure boundaries, piping, pumps, valves, heat exchangers...Suggested
- Kinectrics is seeking an Engineer/Scientist (Piping and Mechanical Design) in Saint John, NB. Permanent, intermediate/senior level, reporting to the Section Manager, with 40 hours/week in a design engineering and services department. The role involves mechanical/nuclear design...SeniorPermanent employmentWork at office
- A engineering services company in Toronto is seeking a skilled Electrical and Instrumentation & Controls Engineer with hands-on CANDU nuclear systems experience. Key responsibilities include leading system design and support, developing engineering documentation, and ensuring...
$90k - $120k per year
Mechanical Design LeadAversan Inc. ( is a trusted multi-service engineering and electronics manufacturing company. Aversan delivers leading-edge and reliable safety-critical electronics and software systems to the aerospace, defence, and space industries. We are currently...- Sargent & Lundy is seeking a Senior Engineer to contribute to nuclear power plant systems design, including modification packages and engineering analyses. The role includes developing cost estimates, interfacing with clients, and leading project teams. The position follows...SeniorWork at officeRemote work3 days per week
- Apply pressure-system design and piping standards as WSP’s Lead Mechanical Engineer for industrial projects from any Canadian office, ideally eastern Canada.You will serve as a technical expert across mechanical and piping engineering packages for major mining and industrial...SeniorWork at office
$81.28k - $124.18k per year
DescriptionYou will be involved in nuclear power plant systems design, including preparation or review of: Modification packages for operating nuclear power plants Functional mechanical drawings and/or drawings for nuclear power plant systems Engineering analyses and...SeniorHourly payInternshipWork at officeRemote work3 days per week- AtkinsRéalis is seeking a Senior Mechanical Engineer with a strong background in nuclear and heavy industrial projects in Canada. The role focuses on mechanical design, piping, and program compliance across phases from concept to commissioning. You will review technical documents...Senior
- A leading engineering firm in Toronto is seeking a Senior Mechanical Designer. You will design mechanical systems for buildings including HVAC, plumbing, and drainage. Key responsibilities include field surveying and drafting engineering details. The ideal candidate has a Bachelor...SeniorFlexible hours
- A leading design firm in Calgary is seeking an experienced Mechanical Engineer to design HVAC and plumbing systems for various commercial projects. The ideal candidate will have over 12 years of experience, strong skills in Revit, and qualifications in mechanical engineering...Senior
$110k - $150k per year
Role SummaryThe Lead Mechanical Engineer is the senior hands-on technical lead for mechanical engineering on assigned pursuits and projects. Reporting to the Engineering Manager, Mechanical, this role leads technical design review, coordinates mechanical design across project...SeniorFor contractorsInternshipWork at officeFlexible hours- Sargent & Lundy in Canada is looking for an experienced mechanical engineer to contribute to nuclear power plant systems design, including preparation or review of modification packages, drawings, and engineering analyses. This role involves leading project teams and interfacing...Work at officeRemote work3 days per week
- Shape nuclear controls systems at AtkinsRéalis from Mississauga, combining requirements engineering, digital architecture, and technical leadership.This senior role supports concept design and development of computerized safety, control, and monitoring systems. You will define...Senior
- ...in British Columbia, Canada, is seeking a Mechanical Engineer to join our on-site team. The role requires... ...and 2–3 years of experience in mechanical design and analysis. You will research feasibility, design and commission systems, supervise installations, and develop maintenance...
$86.8k - $108.5k per year
Senior Engineer - Mechanical Systems and EquipmentRequisition Number: 32138 Company: W Electric Canada Inc Location: Kitchener, ON, CA, N2P 0A4 Are you interested in being part of an innovative team that supports Westinghouse's mission to provide clean energy solutions...SeniorWork at officeImmediate startFlexible hours2 days per week- Shape sustainable mechanical systems at Introba through high-level design, energy analysis collaboration, and carbon-conscious building solutions. Work with diverse teams on institutional buildings.The Senior Mechanical Designer supports Introba’s net-zero-first approach through...Senior
- Guide mechanical systems engineering for WSP’s mining and industrial clients across Canada, specializing in equipment, vessels, conveyors, and harsh environments.As a Lead Mechanical Engineer, you will shape equipment and mechanical designs within complex EPCM programs. The...Senior
- Apply process systems expertise to mechanical engineering projects with Ausenco in Burlington, focusing on equipment layouts, piping diagrams, and commissioning. The role supports hybrid work.This Senior or Lead Mechanical Engineer position delivers designs across concept through...Senior
- Step into the role of Senior Nuclear Engineering Design Expert at GHD, focusing on impactful solutions and technical leadership in Ontario's nuclear sector. Shape the future of engineering today. You will harness your extensive nuclear background to drive strategic growth...Senior
- Design complex mechanical systems for General Fusion’s LM26 project, applying analytical calculations and FEA through hands-on engineering work. Build, test, and operate systems supporting practical fusion energy development.As a Mechanical Engineer, you will contribute to designing...Manual labor
- Kinectrics is seeking a Section Manager, Software Design Engineering in Toronto with hybrid on-site requirements (2-3 days per week). You will lead software design for safety-critical systems, oversee V&V, ECC, and cybersecurity, and drive lifecycle governance across projects...Senior2 days per week3 days per week
- Mechanical design and analysis define this Engineer role at Redpath, supporting mining systems through AutoCAD, Autodesk Inventor, and engineering calculations.The Mechanical Engineer advances RRL’s engineering capabilities through design, research, development, and technical...
- Senior Mechanical Building Systems Engineer / Technical LeadIf you are energized by a teamwork-driven work environment that challenges your skills, promotes your career development, encourages diversity, rewards innovation, offers a competitive salary, and provides excellent...SeniorWork at officeFlexible hours
- Being a Senior Mechanical Engineer with us meansputting your exceptional engineering expertise and problem-solving skills towork to design, improve, and support industry-leading pressure equipment andhazardous location heating products. As a Senior Mechanical Engineer, you will...Senior
- ...near Highway 407 and Woodbine Ave in Markham, ON. The OpportunityWe are looking for a full-time candidate to fill the Senior Mechanical Design Engineer position who will support the Engineering Manager and engineering team in activities such as mechanical design and...SeniorFull timeWork at officeTrial period
- Apply SolidWorks and machine design expertise as a Senior Mechanical Engineer developing robotic applications and specialized welding equipment. Lead designs from concept through production.At Novarc, this senior technical and project leadership role combines rapid prototyping...Senior
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