1

Junior System Engineer Jobs in Ontario (NOW HIRING)

Position Summary Thales Canada is seeking a Junior Mechanical Engineer to support the Engineering ... Conduct technical investigations into problems associated with marine equipment and/or system ...

Q-Block Computing builds quantum systems that operate in the real world. The company develops ... The Junior Quantum Engineer will join Q-Block's R&D engineering team, working on the design ...

Junior Quantum Engineer

Ottawa, ON · On-site

CA$85K - CA$110K/yr

Q-Block Computing builds quantum systems that operate in the real world. The company develops ... The Junior Quantum Engineer will join Q-Block's R&D engineering team, working on the design ...

Job Title: Junior Applications Engineer The Junior Applications Engineer develops preliminary ... Contribute to embedded systems development planning by aligning hardware design concepts with ...

Job Title: Junior Applications Engineer The Junior Applications Engineer develops preliminary ... Contribute to embedded systems development planning by aligning hardware design concepts with ...

Your future role on our team Join BBA as a Junior Mechanical and PipingEngineer-in-Training and ... piping systems * Participate in studies, field work and detailed engineering mandates for ...

Your future role on our team Join BBA as a Junior Mechanical and PipingEngineer-in-Training and ... piping systems * Participate in studies, field work and detailed engineering mandates for ...

What is the opportunity As a Junior Software Developer at Limina, you'll join our engineering team ... Contributing to asynchronous and background processing solutions that help our systems scale

What is the opportunity As a Junior Software Developer at Limina, you'll join our engineering team ... Contributing to asynchronous and background processing solutions that help our systems scale

next page

Showing results 1-20

Junior System Engineer information

What does a junior system engineer do?

A Junior System Engineer assists in maintaining and supporting an organization’s IT infrastructure. Their responsibilities typically include installing and configuring hardware and software, monitoring system performance, troubleshooting issues, and providing technical support to users. They often work under the supervision of senior engineers to ensure systems run efficiently and securely. This entry-level role is ideal for individuals looking to build foundational skills in systems administration and engineering.

What are some common challenges faced by junior system engineers during their first year on the job?

Junior System Engineers often encounter challenges such as adapting to complex IT infrastructures, learning to troubleshoot unfamiliar hardware and software issues, and balancing multiple support requests from different teams. It can take time to become proficient with proprietary systems and tools used by the organization. Collaboration with senior engineers and continuous learning through documentation and hands-on experience are key to overcoming these hurdles and building confidence in the role.

What are the key skills and qualifications needed to thrive as a junior system engineer, and why are they important?

To excel as a Junior System Engineer, you need a foundational understanding of computer systems, networking, and operating systems, usually supported by a degree in computer science or a related field. Familiarity with system administration tools, virtualization platforms, and basic scripting languages, as well as certifications like CompTIA or Microsoft MCSA, is highly beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help you collaborate with teams and address technical challenges efficiently. These competencies ensure reliable system operation, quick troubleshooting, and seamless support for business technology needs.

What is the difference between Junior System Engineer vs Network Administrator?

AspectJunior System EngineerNetwork Administrator
Required CertificationsCompTIA A+, Network+, Cisco CCNA (preferred)CompTIA Network+, Cisco CCNA, or equivalent
Work EnvironmentIT departments, tech companies, supporting system infrastructureNetwork operations centers, corporate IT teams, managing network hardware
Employer & Industry UsageTechnology, finance, healthcare, and other sectors with IT infrastructureOrganizations with complex network systems, ISPs, large enterprises
Common Search & Comparison IntentEntry-level, supporting system setup and maintenanceNetwork management, troubleshooting, and security

The Junior System Engineer and Network Administrator roles share overlapping skills in IT support and certifications but focus on different areas. The Junior System Engineer primarily supports overall system infrastructure, while the Network Administrator specializes in managing and securing network systems. Both roles are essential in maintaining organizational IT health and often work closely together in tech environments.

Is a junior system engineer a stressful job?

A junior system engineer role can be stressful due to the need to troubleshoot technical issues, meet project deadlines, and learn new systems quickly. However, stress levels vary depending on the work environment, workload, and support from team members. Developing strong problem-solving skills and gaining certifications can help manage job-related stress.

Is a junior system engineer an entry-level job?

Yes, a junior system engineer is typically an entry-level position that requires basic knowledge of operating systems, networking, and scripting. It often serves as a starting point for those gaining experience in system administration and IT infrastructure, with opportunities to develop skills and certifications such as CompTIA or Microsoft certifications.

What are the most commonly searched types of System Engineer jobs in Ontario?

The most popular types of System Engineer jobs in Ontario are:

What are popular job titles related to Junior System Engineer jobs in Ontario?

For Junior System Engineer jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Junior System Engineer jobs in Ontario look for?

The top searched job categories for Junior System Engineer jobs in Ontario are:

What cities in Ontario are hiring for Junior System Engineer jobs?

Cities in Ontario with the most Junior System Engineer job openings:

Infographic showing various Junior System Engineer job openings in Ontario as of August 2026, with employment types broken down into 1% As Needed, 77% Full Time, 20% Part Time, and 2% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution.

Junior Mechanical Engineer

Thales

Hybrid

Full-time

Medical, Dental, Life, Retirement, PTO

Posted 22 days ago


Thales rating

8.9

Company rating: 8.9 out of 10

Based on 21 frontline employees who took The Breakroom Quiz

10th of 159 rated electronics manufacturers


Job description

Location: Halifax - Wilkinson, CanadaIn fast changing markets, customers worldwide rely on Thales. Thales is a business where brilliant people from all over the world come together to share ideas and inspire each other. In aerospace, transportation, defence, security and space, our architects design innovative solutions that make our tomorrow's possible.

This is a hybrid role in Halifax, NS Canada. Note the role can be hired in Ottawa ON or Victoria BC.
Position Summary

Thales Canada is seeking a Junior Mechanical Engineer to support the Engineering Change Program for the Royal Canadian Navy's Arctic and Offshore Patrol Ship (AOPS) and Joint Support Ship (JSS) fleets under the AJISS program.

Working as part of a multidisciplinary Engineering Change Team, the successful candidate will support intermediate and senior engineers in the assessment, design, implementation, and documentation of modifications to shipboard mechanical systems. Responsibilities will include engineering work related to propulsion, maneuvering, bilge, ballast, hydraulic, pneumatic, HVAC, and auxiliary systems. Through mentorship and practical experience, the candidate will develop skills in mechanical design, engineering analysis, technical investigations, and engineering change management while contributing to safe, reliable, and maintainable solutions that meet customer, quality, schedule, and cost objectives.


Key Areas of Responsibility

The Junior Mechanical Engineer may assist engineers with some or all of the following:
Support the implementation and coordination of engineering changes and engineering work packages under the guidance of intermediate and senior engineers;
Conduct technical investigations into problems associated with marine equipment and/or system malfunction, including failure and root cause analysis, risk assessments, and solution development;
Assist with the development, traceability, verification, and validation of engineering requirements throughout the engineering change lifecycle;
Conduct Options Analysis;
Development and review of Engineering plans, processes and procedures;
Manage or support the preparation and updating of marine system technical documentation including manufacturing drawings, design and materiel specifications, installation and maintenance instructions, and test and trials documentation;
Prepare documented work scopes suitable for solicitation of quotations from external resources such as OEM's, manufacturers, suppliers, repair and testing facilities, or specialist service providers;
Support the development of technical proposals, schedule estimates, and cost estimates for customer approval;
Perform engineering calculations and support design reviews for piping, hydraulic, HVAC, pneumatic, structural, and mechanical systems; and
Support onboard surveys, testing, trials, and verification activities to confirm engineering solutions meet operational and technical requirements.


To provide products and customer solutions in consistency with all stakeholders' needs and entity policies, as well as continuously enhance engineering competitiveness.


Basic Qualifications
Education:
Bachelor's degree in mechanical or systems engineering disciplines or equivalent education with relevant experience.

Must Haves (requirements)
Strong planning, organizational, analytical, and time management skills
High level oral and written communication skills required for report writing and design justification documentation
Familiarity with Systems Engineering principles and lifecycle processes
Familiarity with mechanical design and drafting tools such as SolidWorks and AutoCAD
Working towards obtaining P. Eng license
Eligible to obtain and maintain a Government of Canada Secret security clearance
English Language

Personal Competencies Required
Positive attitude
Active listener
Focused and detail oriented
Thrive in a team environment
Commitment to professional development
Passion for health, safety and wellness


Preferred Qualifications
Nice to haves (asset)
Experience with Finite Element Analysis
Experience with manufacturing methods and processes
Experience in ship design, build, operation and maintenance
Exposure to naval or marine engineering systems and associated standards and regulations, including IMO, SOLAS, Class Society Rules, IEC standards, and Transport Canada regulations
Awareness of shipbuilding and naval engineering considerations such as shock, vibration, EMC/EMI, drawing standards, and industry design practices
Familiarity with configuration management principles and engineering change processes
Familiarity with Product Lifecycle Management (PLM) tools such as Windchill
Experience reviewing technical drawings, specifications, and bills of material
Experience with Excel, Word, PowerPoint, Jira, and Confluence
Physical Demands
Office / Desk work: > 90%, with periodic inspections and field work in the lab or shipyard if It is necessary


Regulatory Compliance Requirements
Be eligible to obtain Canadian Controlled Goods, Reliability and Secret, NATO Secret Clearances

  • Access to Trade Controlled Items

  • Access to Controlled Goods

  • Security Clearance

Special Position Requirements

Schedule: 40 hrs/week. Overtime may be necessary depending on the demand and project schedule

Physical Environment: Office environment, (Hybrid- Working from home and at office), sometime requires to work in the lab or visit site if it is necessary

Travel: <25%

What We Offer

  • 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.

Why Join Us?

Say HI and learn more about working at Thalesclick here.

#LI-hybrid

#LI-WM1

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.

What Thales employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom