This role is Hybrid Ottawa, Ontario
Senior Mechanical Systems Engineer
Position Summary
Thales Canada, Defence & Security is engaged in supporting the Royal Canadian Navy (RCN) through its In-Service Support (ISS) Programs. Between the AOPS & JSS In-Service Support (AJISS) and Minor Warships & Auxiliary Vessels (MWAV) programs, Thales Canada provides support to over 70% of the RCN fleet. Thales Canada is leveraging cutting edge solutions to deliver preventative and corrective maintenance, Integrated Logistics Support (ILS), Program Management, Engineering and Lifecycle Material Management (LCMM), and new capabilities to numerous platforms.
Thales Canada is looking for people interested in directly contributing to Engineering Change (EC) in the AJISS program. A multi-disciplinary team develops and delivers enhanced and new capabilities for RCN platforms through a broad portfolio of EC projects. We are looking Mechanical Engineers to deliver Engineering work products through all stages of the EC process. Familiarity with Systems Engineering concepts and practices is beneficial. A demonstrated ability to adapt to new technologies and processes is considered an asset.
Regulatory Compliance Requirement
This position requires direct or indirect access to hardware, software or technical information controlled under the Canadian Export Control List and/or the US the Export Administration Regulations (EAR). All applicants must be eligible or able to obtain authorization for such access.
Key Areas of Responsibility
A Mechanical Systems Engineer designs, analyzes, integrates, and maintains complex mechanical machinery, HVAC, and power systems. They bridge component-level design with system-level functionality, focusing on performance, safety, and efficiency. Key tasks include preparing technical specifications, managing project timelines, troubleshooting, and ensuring compliance with industry standards.
- System Design & Analysis: Research and develop complex machinery, including analyzing dynamics and vibrations of systems.
- Integration & Configuration: Own the overall mechanical configuration, ensuring subsystems work together and managing requirements.
- Project & Technical Management: Prepare cost/time estimates, and support the installation, commissioning, and testing of equipment.
- Maintenance & Troubleshooting: Develop maintenance standards and investigate failures or mechanical issues.
- Compliance & Documentation: Review, approve, calculations, and specifications.
- Conduct research on Naval Systems, System Requirements, Standards, and new technologies;
- Generate, describe, and recommend solutions to customer concerns as part of the option analysis process;
- Produce engineering artefacts including (but not limited to) first principles drawings and system schematics, Statements of Work, System Requirements Documents (SRD), Impact Analyses, and technical reports;
- Survey and analysis of shipboard systems;
- Planning, authoring, and executing integration and acceptance tests; and
- Coordinating and collaborating with a multi-disciplinary dispersed team.
Minimum Requirements
- At least 10 years of professional experience in the design and integration of complex systems in commercial and/or military domains.
- Ability to obtain clearances as specified under the Regulatory Compliance section, below.
- University or college degree in engineering or a related discipline.
Preferred Qualifications
In addition to the minimum professional experience specified above, experience in any of the following areas would be considered an asset:
- Naval Architecture;
- Marine Mechanical;
- IPESA; and/or
- C4 Combat Systems (in any domain);
Physical Demands
- Minimal lifting of test and electronic equipment, connecting equipment in a lab environment or job site.
Special Position Requirements
- Full time, standard business hours.
- Possibility of travel to east or west coast sites for technical support / installation onboard ships in dock.
The reference Total Target Compensation (TTC) market range for this position, inclusive of annual base salary and the variable compensation target, is between Total Target Cash (TTC) $115 – $130,000 -$145,000 CAD Annual.
This reflects how companies in a similar industry and geographic region generally pay for similar jobs. This range helps the Company make pay decisions as one data point among many. Where a position falls 5within this range is also dependent on other factors including – but not limited to – the employee’s career path history, competencies, skills and performance, as well as the company’s annual salary budget, the customer’s program requirements, and the company’s internal equity. Thales may offer additional benefits and other compensation, depending on circumstances not related to an applicant’s status protected by local, state, or federal law.
We use artificial intelligence–enabled tools as part of our recruitment process to support activities such as candidate discovery, résumé matching, and interview scheduling. These tools may help screen and assess applications and recommend potential matches based on the requirements within the job description. All hiring decisions, including candidate evaluation, selection, and disposition, are made by human recruiters. Artificial intelligence does not make hiring decisions on our behalf.
Why Join Us?
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Thales provides an extensive benefits program for all full-time employees working 24 or more hours per week and their eligible dependents, including the following:
• Company paid Extended Health, Dental, HSA, Life, AD&D, Short-term Disability, Cancer Care Program, travel insurance, Employee Assistance Plan and Well-Being program.
• Retirement Savings Plans (RRSP, DCPP, TFSA) with a company contribution and a match to a DCPP, with no vesting period.
• Company paid holidays, vacation days, and paid sick leave.
• Voluntary Life, AD&D, Critical Illness, Long-Term Disability.
• Employee Discounts on home, auto, and gym membership.
Thales is an equal opportunity employer which values diversity and inclusivity in the workplace. Thales is committed to providing accommodations in all parts of the interview process. Applicants selected for an interview who require accommodation are asked to advise accordingly upon the invitation for an interview. We will work with you to meet your needs. All accommodation information provided will be treated as confidential and used only for the purpose of providing an accessible candidate experience.
This position requires direct or indirect access to hardware, software or technical information controlled under the Canadian Export Control List, the Canadian Controlled Goods Program, the Canadian Industrial Security Program, the US International Traffic in Arms Regulations (ITAR) and/or the US Export Administration Regulations (EAR). All applicants must be eligible or able to obtain authorization for such access including eligibility to the Canadian Controlled Goods Program and able to obtain a Canadian NATO Secret clearance.Top Skills
Thales Nepean, Ontario, CAN Office
1 Chrysalis Way, Nepean, ON, Canada, K2G 6P9



