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Operating System Engineer Jobs in Ontario (NOW HIRING)

Moneris

Systems Administrator III (Linux)

Toronto, ON · Hybrid

CA$85K - CA$113K/yr

  • Retirement

... Linux), you will engineer, automate, secure, and continuously improve the enterprise Red Hat ... Troubleshoot complex issues to root cause across operating system,compute, storage, virtualization ...

Clio

Systems Engineer, Production

Toronto, ON · Remote

  • Medical

  • Dental

  • Vision

The Systems Engineering team at Clio builds and operates the systems that power all of our cloud ... Our mission is to make deploying and operating software effortless and safe. We focus on automation ...

Ciena

Senior Release Engineer - Linux Distribution

Ottawa, ON · On-site

CA$102K - CA$164K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

This role contributes directly to the delivery of a next-generation network operating system by ensuring build reliability, scalability, and security. The position enables engineering velocity and ...

Telesat

TSAT) is a leading global satellite operator, providing reliable and secure satellite-delivered ... UT System Integration: collaborate with UT engineering and architecture to define interfaces, ICDs ...

AVID

  • Medical

  • Life

JOB SUMMARY As a Principal Software Developer - Storage Engineering , you will design, develop, and ... Analyze and troubleshoot complex issues across application, operating system, networking, storage ...

Broadcom

Software Engineer

Ottawa, ON · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... software (System bring up & Diagnostics to run time control operating system and support ... Bachelor's degree in engineering and 5+ years Compensation and Benefits The annual base salary ...

QNX Software Systems

QNX Systems Software Developer II

Ottawa, ON · On-site

CA$90K - CA$132K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

The business leads the way in delivering safe and secure operating systems, hypervisors, middleware ... If you're an early-career systems engineer who thrives on lowlevel systems work, has a strong ...

Hydro Ottawa

System Performance Engineer

Ottawa, ON

The System Performance Engineer ensures that theoretical reliability models translate into practical, safe solutions for the crews operating and maintaining the grid every day. MAJOR RESPONSIBILITIES

Boson AI

Site Reliability Engineer

Toronto, ON · On-site +1

CA$125K - CA$250K/yr

Diagnose performance, capacity, and reliability issues across hardware, operating systems, networks ... engineering standards Minimum Qualifications * 4+ years of experience in site reliability ...

Q-Block Computing

Embedded Systems Developer Intern

Ottawa, ON · On-site

$18 - $25/hr

  • Medical

  • Dental

  • Vision

  • Life

... and trusted by operators who cannot afford ambiguity about whether the technology works. The ... Participate in system testing, debugging, and performance optimization. * Document design decisions ...

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Operating System Engineer information

What does an operating system engineer do?

An Operating System Engineer is responsible for designing, developing, maintaining, and optimizing operating systems that run on computers and servers. They work on the core components that manage hardware resources, enable software applications, and ensure system security and stability. Their duties often include writing system-level code, troubleshooting performance issues, implementing updates, and collaborating with hardware and software teams. Operating System Engineers play a critical role in ensuring that computing environments are efficient, reliable, and secure.

What are the key skills and qualifications needed to thrive as an operating system engineer?

To thrive as an Operating System Engineer, you need a deep understanding of computer science principles, operating system internals, and strong programming skills in languages like C, C++, or Rust, often backed by a relevant degree. Familiarity with kernel development, debugging tools, virtualization platforms, and experience with version control systems (such as Git) are typically required. Problem-solving abilities, attention to detail, and effective communication are soft skills that set top performers apart. These skills ensure the reliability, performance, and security of operating systems, which are foundational to all computing environments.

What are some common challenges faced by operating system engineers when maintaining system stability in large-scale environments?

Operating System Engineers often encounter challenges such as managing software patching across diverse hardware, ensuring compatibility with legacy applications, and minimizing downtime during critical updates. In large-scale environments, balancing security with performance and reliability can be complex, especially when multiple teams depend on the systems. Effective communication with development, security, and IT operations teams is essential to address these issues proactively and maintain overall system stability.

What is the difference between Operating System Engineer vs System Administrator?

AspectOperating System EngineerSystem Administrator
Primary FocusDesigning, developing, and optimizing operating systemsMaintaining, configuring, and supporting existing systems
Skills & CertificationsLinux/Unix, scripting, OS architecture, certifications like RHCE or Linux FoundationSystem management, network setup, troubleshooting, certifications like CompTIA Server+ or Microsoft Certified
Work EnvironmentDevelopment teams, R&D, engineering projectsIT support, data centers, enterprise environments
Industry UsageTech companies, hardware firms, software developmentCorporate IT, government agencies, healthcare, finance

While both roles involve working with operating systems, Operating System Engineers focus on designing and developing OS solutions, whereas System Administrators manage and support existing systems. The roles complement each other but serve different stages of the system lifecycle.

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

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

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

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

Operating System Engineer jobs near you
Infographic showing various Operating 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.

Software Engineer, TT-Distributed

Tenstorrent

Toronto, ON

CA$100K - CA$500K/yr

Full-time

Re-posted 28 days ago

Job description

As our TT-Distributed Software Engineer, you will develop and optimize distributed software systems that power the most efficient and highest-performing AI and HPC clusters. In this role, you'll work on distributed programming across multiple nodes, utilizing systems programming, inter-node communication, and Tenstorrent's scalable architectures to advance the state-of-the-art distributed inference and training infrastructure.

This role is hybrid, based out of Santa Clara, CA; Austin, TX; or Toronto, ON.

We welcome candidates at various experience levels for this role. During the interview process, candidates will be assessed for the appropriate level, and offers will align with that level, which may differ from the one in this posting.

Who You Are

  • Strong C or C++ engineer with solid foundations in systems programming, operating systems, and distributed systems principles.
  • Enthusiastic about distributed computing, including IPC, socket programming, and cluster resource coordination.
  • Comfortable reasoning about scalability, fault tolerance, and performance across multi-node environments.
  • Curious and first-principles thinker who challenges conventional approaches to distributed system design.
  • Motivated to grow into a deep technical expert in large-scale distributed AI infrastructure.

What We Need

  • Architect, implement, and optimize distributed software systems that coordinate computation and communication across clusters of AI accelerators and CPUs.
  • Design and build distributed APIs enabling data-parallel and tensor-parallel AI workloads.
  • Leverage MPI-based technologies and related frameworks to scale programming models across multiple hosts and compute nodes.
  • Develop robust systems using IPC, inter-node sockets, and distributed communication primitives to ensure reliability and high performance.
  • Build and maintain testing, debugging, profiling, and monitoring tools for large-scale distributed workloads and collaborate with model and systems teams on cluster bring-up.

What You Will Learn

  • How large-scale distributed inference and training systems are architected across thousands of accelerators.
  • Advanced techniques in collective communication, synchronization, and parallel workload distribution.
  • The performance characteristics of Tenstorrent hardware in multi-node cluster environments.
  • How distributed programming models integrate with compilers, runtimes, and AI frameworks.
  • The real-world challenges of deploying, debugging, and scaling next-generation AI clusters.

Compensation for all engineers at Tenstorrent ranges from $100k - $500k including base and variable compensation targets. Experience, skills, education, background and location all impact the actual offer made.

Tenstorrent offers a highly competitive compensation package and benefits, and we are an equal opportunity employer.

Apply