Top Linux Jobs in Ottawa

The Senior Cloud Tester develops high-quality, testable code for Linux processes, manages configurations, resolves issues in distributed systems, and contributes to an open-source cloud project, ensuring high availability for applications.

Develop and manage cloud-native configuration management solutions, Kubernetes operators, and high-performance applications for Linux systems, ensuring security, resilience, and scale.

Lead and manage a DevOps team to build and maintain CI/CD pipelines, automate configuration (Ansible, PowerShell, Bash), manage Windows/Linux infrastructure, develop KPIs, support bids/projects, mentor staff, and standardize DevOps processes and tooling to ensure reliable, scalable deployments.

Join as an SDET to design and manage automated test suites, create and maintain test cases and plans, write unit and API tests, track and verify defects, debug complex systems, and integrate testing into CI/CD pipelines while collaborating with engineering and DevOps.

Design and deliver cloud-native, containerized architectures and IaC for the Royal Canadian Navy Synthetic Training Hub. Build and containerize components, produce architecture/network/authentication/security documentation, and support deployment pipelines and infrastructure to enable scalable, rapid redeployable training environments.

As a Technical Support Specialist, you will provide Tier 2 support for Avaya systems, troubleshoot complex VoIP issues, and document solutions.

Own technical qualification of compute providers: define acceptance standards and benchmarks, validate clusters (fabric, GPUs, storage, orchestration), guide provider remediation, and maintain technical relationships to ensure reliable production performance.

Lead design and operation of scalable AWS/GCP cloud infrastructure. Build and operate Kubernetes (EKS), Docker, Terraform/Terragrunt, Helm and GitOps workflows. Improve CI/CD with GitHub Actions and ArgoCD, implement monitoring and observability, strengthen security, disaster recovery, and developer self-service automation to improve platform reliability and productivity.

Senior Software Engineer to design and implement C++/Python software, accelerate workloads with CUDA, develop and maintain Linux kernel modules and system services, optimize system and GPU performance, manage Linux systems, mentor junior engineers, and integrate AI technologies across products.

Provide web and telephone technical support for Fortinet products (FortiMail, FortiVoice, FortiRecorder, FortiSandbox). Troubleshoot network/security issues, collect and analyze configuration, network and packet trace data, recommend corrective actions, reproduce customer environments in lab, consult documentation, escalate and manage cases to closure, and educate customers on product and networking gaps.

As a Validator Engineer, manage validator uptime, performance and reliability, handle client upgrades, produce documentation, and support operators.

Operate, maintain and improve the global Tyk Cloud platform: run production Kubernetes clusters, manage cloud infrastructure, automate operations, run on-call incident response, create monitoring and dashboards, conduct post-incident analysis, document SRE processes, and drive reliability, efficiency and multi-region/multi-cloud expansion.

The Junior Mobile Core Support Engineer will troubleshoot and resolve telecom network issues, support customer queries, and maintain network performance while collaborating with engineering teams.

Design, build, test, and integrate optimization and software solutions for power systems and electricity markets. Translate customer requirements, apply advanced mathematical modeling and numerical methods, support releases, troubleshoot issues, prepare documentation, collaborate with teams and customers, and occasionally travel for global projects.

Design, implement, and maintain Compute Sanitizer GPU memory-checking tools across Linux, Windows, and embedded OSes. Collaborate with compiler, architecture, and driver teams to add and verify features, write high-quality low-level code and tests, perform code reviews, document designs, and mentor junior engineers. Diagnose and optimize correctness, performance, and scalability for GPU compute workloads.

The Associate Linux Support Engineer will provide technical support, troubleshoot Linux issues, and enhance customer satisfaction while learning and contributing to Canonical's services.

The role involves designing and developing board support and device driver software, testing hardware, and working within a team to resolve field-found problems, ensuring software meets group guidelines.

Build and maintain full-stack web portal components using Node.js and Go, develop React+TypeScript UIs, work with PostgreSQL and Redis, containerize with Docker, assist with Kubernetes/Helm deployments, and implement OAuth2/OIDC security for high-scale communication systems.

Perform manual and automated regression testing for FortiMail products, create and run test cases, automate tests with scripting, identify and track defects, collaborate with developers, troubleshoot network/security issues, and maintain QA documentation and test specifications.

Develop and maintain security/networking software in C/C++ on Unix/Linux throughout the full development lifecycle. Work on TCP/IP and multithreaded applications, debug with Linux tools, collaborate with global engineering and product teams, and apply strong problem-solving and communication skills.

Develop cross-platform desktop and full-stack web applications (Electron, React/Node.js), implement networking and telephony protocols (VoIP/SIP, XMPP, WebRTC), integrate audio/video codecs, and work with cloud services. Own assigned tasks, troubleshoot complex issues, and collaborate with global engineering teams to deliver secure networking/security features.

Design and implement secure system architectures for air and naval platforms. Conduct threat modeling, vulnerability assessments and technical security testing (OS, containers, applications). Develop security controls, SBOMs, and SA&A artifacts, author Security Test Procedures, support audits, and mentor junior staff.

Design, develop, test, integrate, and maintain mission-critical aerospace software. Produce design and test documentation, participate in code reviews, troubleshoot issues, collaborate cross-functionally, and present technical content at reviews.

Develop, test, and maintain mission-critical Air & Naval sonar software. Perform requirements analysis, design, coding (C++/Java), code reviews, troubleshooting, integration, validation, and documentation. Collaborate across teams, present at design reviews, follow Agile practices, use Linux and version control, and support stakeholders throughout the development lifecycle.

Develop embedded software for high-speed networking platforms across CPUs, SoCs, FPGAs, and optics. Implement and port kernel drivers and OS elements, write drivers, diagnostics, and tools in C/C++/Python, debug system defects, analyze performance, and support board bring-up and BSP/security tasks.