Senior Engineer, Mechanical Engineering
AtkinsRéalis Group
Senior Mechanical EngineerApply: Full time: Posted Today: R-161696### **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? AtkinsRéalis is dedicated to engineering a better future for our planet and its people.** ## 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 fast-paced, multidisciplinary team environment delivering engineering services for nuclear power plants within a matrix organization. **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 transfer and continuous improvement. ## The opportunity to work on various major projects for internal and external clients.* An exciting environment where work-life balance is important.* A wide array of learning and development opportunities.* Competitive pay, flexible benefits, an employee share plan, and a defined contribution pension plan.* A work environment focused on health and safety.
- *Bachelor’s degree in an applicable engineering discipline from an accredited university.* A minimum of 15 years of relevant engineering experience, including significant experience in the nuclear industry and in a senior design or technical role.* Demonstrated experience delivering modifications or engineering work for nuclear facilities through the full engineering lifecycle.* Strong knowledge of applicable nuclear codes, standards, regulatory requirements, engineering change control processes, and quality-assurance practices.* Demonstrated ability to prepare and review complex engineering deliverables and perform or oversee design verification.* Experience coordinating multidisciplinary work and interfacing with clients, suppliers, project teams, and regulatory or authorized inspection organizations, as applicable.* Strong technical leadership, problem-solving, organizational, and decision-making skills.* Excellent written and oral communication skills, with the ability to present technical information clearly.* Willingness to travel to and potentially work at project, client, or supplier sites to meet business needs.
- *Advanced degree in an applicable engineering discipline.* Experience with pressure-boundary systems or components, equipment qualification, seismic or environmental qualification, design registration, or other specialized nuclear engineering activities.* Experience supporting procurement, manufacturing, fabrication, testing, installation, commissioning, and field engineering activities.* Knowledge of configuration management, systems engineering, constructability, operability, maintainability, and lifecycle considerations.* Strong presentation, facilitation, mentoring, and public-speaking abilities.
$131k - $181k per year
...make positive change! Are you looking to take the next step in your career? Hatch is currently seeking a highly motivated Senior Mechanical Engineer- Nuclear to join our team in Mississauga. The global energy transition is upon us. As we shift to a low carbon world,...SeniorLong term contractLocal areaFlexible hoursShift work$115k - $165k per year
...Requisition ID: 101317 Job Category: Engineering; Metals Location: Mississauga, ON, Canada Join a company that is passionately... ...on greenfield and brownfield facilities? Apply today! The Mechanical Engineer will be part of an project delivery team providing...SeniorLong term contractLocal areaFlexible hours- ...Requisition ID: 102402 Job Category: Engineering Location: Mississauga, ON, Canada Join a company that is passionately committed... ...exceptional? We look forward to hearing from you. The Mechanical Package Engineer is responsible for the technical development,...SeniorLong term contractLocal areaFlexible hours
- ~# Senior Mechanical EngineerApply: CA.ON.Mississauga.2251 Speakman Drive: Full time: Posted Today: End Date: December 31, 2026 (30+ days left... ...****Are you looking for a company that works on major engineering projects all over the world? Do you want to make a difference...SeniorFull timeWorldwideFlexible hours
- ...Job Description The Senior Mechanical Engineer will support refurbishment, retube, field services, and new-build nuclear projects. This role combines design engineering expertise with field execution support, providing technical leadership throughout the full lifecycle of...SeniorFull timeFor contractorsFlexible hours
- ...December 31, 2026 (30+ days left to apply): R-164145### **Job Description**## **Overview**AtkinsRéalis is looking to hire a Senior Mechanical Engineer. The individuals will work in a fast-paced team environment performing engineering services for Nuclear Power Plants within...SeniorFull timeInternshipFlexible hours
- ...Job Description Overview AtkinsRéalis is looking to hire a Senior Mechanical/Process Engineer. This position requires experienced individuals who are self-starter capable of working independently and leading/supervising junior engineers. The individuals will work in a...SeniorFull timeInternshipFlexible hours
- ...AtkinsRéalis is one of Canada's largest private sector nuclear engineering groups. We have been providing a wide range of services to the... ...of CANDU reactor components, systems and structures including mechanical equipment. Engineering calculations to support design nuclear...SeniorFull timeInternshipFlexible hours
- ...role is based out of the Candu Energy Inc home office in Mississauga, Ontario. Candu Energy Inc. is looking to hire a Senior Mechanical PLiM/PLEX Engineer. This position requires experienced individuals who are self-starter capable of working independently. The individuals...SeniorLong term contractPermanent employmentFull timeTemporary workFor contractorsInternshipWork at officeWorldwideHome officeFlexible hours
- ...Description Overview AtkinsRealis is currently looking for Mechanical Engineering Analyst to join our engineering team in Mississauga, Ontario.... ...familiarity with the technology, while supervised by more senior engineering (and EIT) staff. Your role Under direct...SeniorFull timeTemporary workInternshipFlexible hours
- ...AtkinsRéalis is one of Canada's largest private sector nuclear engineering groups. We have been providing a wide range of services to the... ...technicians, and junior engineers. About you Degree in Mechanical Engineering, Mechatronics Engineering, or a related discipline....Full timeInternshipFlexible hours
- ...faults. Adjust, repair or replace parts and components of automotive systems including fuel system, brakes, steering and suspension, engine and drive train, emission control and exhaust, cooling and climate control, and electrical and electronic systems using hand tools...
- ...Job Description Overview AtkinsRéalis is currently looking for a Field Services Mechanical Analyst / Engineer to join our engineering team in Mississauga, Ontario. Reporting to the Reactor Maintenance Technical Manager, the Mechanical Analyst / Engineer will support...Full timeTemporary workInternshipWork at officeFlexible hours
- ...Description Are you looking for a company that works on major engineering projects all over the world? Do you want to make a difference... ...About You Bachelor's degree from an accredited university in mechanical, chemical, nuclear engineering or a related engineering...Full timeWorldwideFlexible hours
- ...are the leading provider of sustainable Engineering, Architecture, Construction and Consulting... .... Job Description The Lead Mechanical Engineer focuses on the design and... ...engineering support staff (Entry-Level to Senior) to meet client expectations and project...SeniorFull timeFor subcontractorWork at office
$60k - $70k per year
Overview Languages English Education College/CEGEP Mechanical engineering/mechanical technology/technician Experience 3 years to less than 5 years On site Work must be completed at the physical location. There is no option to work remotely....Permanent employmentFull timeRemote work- ...Description Overview AtkinsRéalis is looking to hire a Senior Equipment Engineer Specialist. This position requires experienced individuals... ...within a matrix organization. Your role Provide mechanical and equipment engineering support with the preparation of technical...SeniorPermanent employmentFull timeInternshipWork at officeFlexible hours
- ...Mechanical Designer / Tooling Engineer Full-time | On-site | Precision manufacturing The Opportunity Create and refine mechanical designs and production drawings for precision manufacturing projects. This role works closely with the shop and customers to...Full time
- ...May be delegated to represent AtkinsRéalis in the development of engineering standards and/or technical forums in his/her area of expertise.... ...of staff, as required. About you Engineering Degree in Mechanical Engineering or Mechatronics from an accredited university or...Full timeInternshipFlexible hours
$90k - $120k per year
...methodologies, governance and systems that are unparalleled in the engineering space. Are you looking for an opportunity to join a diverse... ...exceptional? We look forward to hearing from you. The Mechanical/Piping Engineer (Modularization) will be part of Hatch's growing...Long term contractFor contractorsLocal areaFlexible hours- ...opportunities to reach your full potential in an environment that’s engineered for people. At CIMA+, we care about our people and make sure... ...are seeking a motivated Jr. Engineering professional/ EIT in Mechanical Engineering to join our multidisciplinary Buildings team. This...Permanent employmentFull timeFor contractorsInternshipWork at officeFlexible hours
- ...Job Description Overview Launch your engineering career with AtkinsRéalis, one of Canada's leading nuclear engineering organizations. As a Mechanical Engineering , you will join the Nuclear Engineering team and contribute to innovative projects that support the development...Full timeInternshipWork at officeFlexible hours
- ...Canada's largest private sector nuclear engineering groups. We have been providing a wide range... ...and drawings. Supervised by senior engineers, while adhering to project plans... ...qualifications. About you This is a mechanical engineering position, in the area of CANDU...SeniorFull timeInternshipFlexible hours
- ...Regional Admin Manager - Syl Apps Youth Centre, the Maintenance Mechanic will be responsible to work, within an interdisciplinary team, in... ...condition while working closely with colleagues, tradespersons, engineers, consultants, regulatory inspectors, Infrastructure Ontario and...Hourly payFor contractorsLive InLocal areaShift workRotating shift
- ...opportunities to reach your full potential in an environment that’s engineered for people. At CIMA+, we care about our people and make sure... ...2 days a week at the office . We are seeking a Building Mechanical Technologist to join our multidisciplinary Buildings team. This...SeniorPermanent employmentFull timeInternshipWork at officeFlexible hours2 days per week
$115k - $165k per year
...and water. Want to be part of the creation and construction of our cities? Then the infrastructure team is for you! Drainage Engineer, Senior We are actively seeking a motivated and experienced Drainage Engineer, Senior based in Mississauga, Ontario. The successful...SeniorLong term contractFor contractorsLocal areaFlexible hours- ...Job Description Overview CANDU Energy Inc./AtkinsRéalis Nuclear Inc. is actively seeking a qualified Senior Mechanical/Piping Designer to support engineering roles for nuclear projects in major areas, such as, new build in the province of Ontario, international new builds...SeniorFull timeInternshipFlexible hours
- ...AtkinsRéalis is one of Canada's largest private sector nuclear engineering groups. We have been providing a wide range of services to the... ...About you Engineering degree from an accredited University in Mechanical Engineering, Chemical Engineering, Nuclear Engineering or...SeniorPermanent employmentFull timeInternshipFlexible hours
- ...AtkinsRéalis is one of Canada's largest private sector nuclear engineering groups. We have been providing a wide range of services to the... .... Your role Perform conceptual, preliminary and detailed mechanical design engineering work for reactor components to applicable codes...Full timeInternshipFlexible hours
$96k - $110k per year
...Requisition ID: 102403 Job Category: Engineering Location: Mississauga, ON, Canada Join a company that is passionately committed... ...in your career? Hatch is currently seeking highly motivated Senior Mechanical/Piping Designers to join our Project Delivery Group (PDG)...SeniorLong term contractLocal areaFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Engineer, Mechanical Engineering. Be the first to apply!
- mechanical maintenance engineer Mississauga, ON
- mechanical product design / development engineer Mississauga, ON
- ingenieur mecanique Mississauga, ON
- ingénieur mécanique Mississauga, ON
- mechanical design engineer Mississauga, ON
- senior contracts manager contracts specialist Mississauga, ON
- senior administrative officer Mississauga, ON
- senior project accountant Mississauga, ON
- senior accounting technician Mississauga, ON
- senior account executive Mississauga, ON

