Senior Electrical Engineer
- Mississauga, ON
- Hybrid
- Posted Sep 21, 2026
- 1 position
Opens an external site
- Employment type
- Full-time
- Experience level
- Lead · 10+ years
- Minimum education
- Bachelor’s degree
- Posting language
- English
- Working hours
- 40 hours per week
Job summary
The Senior Electrical Engineer will perform engineering work for nuclear electrical systems, including design, documentation, and technical guidance. They will also supervise junior staff, monitor project schedules, and coordinate with clients and stakeholders to ensure quality and budget compliance.
Job details
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 engineering work following AtkinsRéalis/Candu Energy procedures and QA programs, and applicable codes, standards, and regulatory requirements. Coordinate and interface with client(s), suppliers, stakeholders and other design disciplines to execute assigned engineering work. Become involved in conceptual, preliminary and/or detailed design phases to support CANDU and other Nuclear electrical systems and modifications. Prepare technical documents, such as engineering drawings (including GAs, DDs, EDs), change paper markups, calculations, design/analysis reports, design requirements, design manuals, bill of materials, design specifications, technical specifications, component specification sheets, commissioning specifications, etc. Participate in review of interfacing discipline’s documentation. Prepare requisitions or Engineering Quotation Requests (EQR) for equipment and materials to support procurement. Interface and provide technical guidance and instruction to Designers/Drafters. Supervising, coordinating and reviewing the work of junior and assistant engineers/ designers; preparing estimates and monitoring schedules and assigns work to meet completion dates to team members. Prepare scope of work and input to bid proposals. Perform field walk-downs during different design phases and prepare Walkdown reports as required. Assist field construction and execution activities, such as field changes, design revisions, commissioning, AFS, closeout, etc. Complete the assigned scopes or tasks within given budget and schedule, and in good quality. Provide prompt response and engineering resolutions on any critical engineering related matters. About you Engineering Degree in Electrical Engineering from an accredited university or equivalent degree as recognized by Professional Engineers Ontario (PEO). Registered as a Professional Engineer in the Province of Ontario. 10+ years of related work experience in electrical engineering and power systems design preferably in the nuclear industry. 3 to 5 years of design experience in Nuclear Power Plants would be an asset. Experience with medium voltage and low voltage power distribution systems, including preparation of Single Line diagrams, Elementary Diagrams, Wiring Diagrams, Cable Block Diagrams and schedules, and calculation of power demand/ electrical load lists. Experience with transformer sizing, cable sizing, circuit breaker sizing calculations. Experience in modelling electrical power systems and use of analysis functions in ETAP, or other similar software program is an asset. Site experience in construction, or commissioning of electrical systems for nuclear or other heavy industries would be an asset. Familiar with specifying and procurement support for electrical equipment such as Transformers, MCCs, low voltage distribution load centers, UPS systems including rectifiers and inverters and Diesel Generators (emergency and standby), power and control and instrumentation cables. Adequate knowledge of established Nuclear QA guidelines, procedures and practices is preferable. Adequate knowledge of applicable nuclear safety codes and regulations is an asset. Knowledge of modification process of Nuclear Power Plant; ECC process or similar is an asset. Shall have fundamental technical knowledge to resolve engineering issues or technical problems. Good knowledge and experience of CANDU nuclear electrical power systems would be an asset. Good working knowledge of applicable codes and standards, such as of CSA 22.1, Canadian Electrical Code Part I and The Ontario Electrical Safety Code (OESC). 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.
What you’ll do
The Senior Electrical Engineer will perform engineering work for nuclear electrical systems, including design, documentation, and technical guidance. They will also supervise junior staff, monitor project schedules, and coordinate with clients and stakeholders to ensure quality and budget compliance.
Requirements
Candidates must hold an Electrical Engineering degree and be registered as a Professional Engineer in Ontario. A minimum of 10 years of related experience in electrical engineering and power systems design is required, with preference for nuclear industry experience.
Benefits
• Competitive compensation • Employee recognition • Flexible benefits • Training and professional development • Hybrid working culture • Generous time-off policies
Listed skills
- Technical Documentation · Preferred
Other relevant skills
Identified from the job description. Confirm important requirements above.
- Electrical engineering
- Power systems design
- Nuclear engineering
- CANDU technology
- Medium voltage distribution
- Low voltage distribution
- ETAP
- Technical documentation
- Project scheduling
- Procurement support
- CSA 22.1
- Canadian Electrical Code
- Ontario Electrical Safety Code
- Transformer sizing
- Circuit breaker sizing
- Nuclear QA guidelines
- Calculations
- Project Management
- Coordinating
- Electrical Engineering
- Procurement
- Safety Assurance
- Engineering Design Process
- Low Voltage
- Energy Systems
- Commissioning
- Nuclear Safety
- Nuclear Power
- Electrical Codes
- Electrical Equipment
- Electrical Systems
- Electrical Safety
- Engineering Drawings
- Professional Engineer (PE) License
- Design Analysis
- Design Specifications
- Bill Of Materials
- Transformers (Electrical)
- Quotations
- Instrumentation
- Wiring Diagram
- Electric Power Systems
- Cable Sizing
- One-Line Diagram
- Power Distribution
- Medium Voltage
- Electrical Load
- Circuit Breakers
- Diesel Generators
- Nuclear Engineering
Job areas
- Engineering
- Energy
- Technology
- Electrical Engineer
- Electrical Engineer (General)
- Electrical Engineers
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