Top Linux Jobs in Ottawa

Join an Agile team to design, code, test, and integrate radio platform and Open RAN software for 5G. Develop production-grade code, unit and automated tests, troubleshoot lab integration issues, and review designs and test plans. Collaborate with customer support and apply AI techniques to improve development and testing workflows.

Lead detection, containment, and remediation of security incidents across Windows, Mac, and Linux. Perform malware and forensic analysis, develop detection processes and countermeasures, produce high-quality customer communications, and contribute thought leadership through publications and presentations. Work a 4x10 schedule including one weekend day.

Design, develop, debug, and test cloud-connected firmware features (C/C++ and Go). Support and scale IoT device fleet, build observability and rollout metrics, triage customer/QA issues, and collaborate cross-functionally to deliver production-ready firmware.

Manage and scale Enverus' global AWS infrastructure, automate deployments and CI/CD, ensure high uptime, collaborate with developers to enable zero-downtime releases, participate in on-call rotations, and improve operational practices.

Lead detection, incident response, and digital forensics across macOS/Windows/Linux; act as Incident Commander, triage alerts, use SIEM, build investigation scripts and automated runbooks, collaborate with stakeholders on insider threat and security operations improvements.

Lead AppSec efforts across product, platform, and AI features by owning secure SDLC, performing threat modeling and deep code reviews, driving vulnerability management and remediation, building AppSec tooling and automations (including AI-assisted workflows), and enabling engineering teams with secure design guidance and training.

Provide technical support for Self-managed and GitLab.com customers via tickets and calls; troubleshoot Linux systems and GitLab installations; write bug reports, documentation, and fixes; collaborate with Product, Development, Infrastructure, and Customer Success; participate in on-call rotations and hiring processes.

Develop, test, and maintain mission-critical sonar software. Participate in design, code reviews, troubleshooting, integration, and documentation. Collaborate with cross-functional teams and support lifecycle activities; contribute to design reviews and technical support.

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.

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.

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.

Own and evolve Azure-based cloud infrastructure and GitLab CI/CD for a polyglot monorepo. Design/maintain AKS, Terraform modules, Docker/Helm artifacts, automation scripts, and observability. Ensure reliability, security, and scalable deployments while collaborating with multiple engineering teams and maintaining documentation and runbooks.

Design, implement, and maintain on-premises CI/CD pipelines and build infrastructure using GitLab and Jenkins. Automate builds, testing, packaging, deployments, and release management. Administer repositories, manage runners/agents and artifact repositories, coordinate multi-team releases, maintain software baselines and traceability, and support hotfix/emergency releases. Monitor pipeline performance and troubleshooting build reliability and performance.

Lead and mentor a software team developing embedded software and drivers for RLS Interface Management Modules. Oversee design, testing, delivery, vendor management, and factory integration. Coordinate cross-functional and global teams, improve processes, and ensure software quality and hardware/software calibration for photonic layer 0 systems.

Lead design and development of SONiC-based platform architecture for optical circuit switches, including SAI enablement, containerized services, Debian packaging, release management, telemetry/observability, fault/event frameworks, and cross-functional integration. Contribute to upstream SONiC/OCP and drive platform bring-up and stabilisation across releases.

As a Linux Systems Administrator, you'll provide enterprise-level support and manage Linux/Windows infrastructure, troubleshoot issues, maintain security, and participate in a 24x7 support rotation.

Provide on-site Data Centre and infrastructure administration supporting geospatial systems: manage servers, virtualization, storage, networking, Windows and Unix/Linux OS, SCCM/SCOM, Exchange, GIS platforms (ArcGIS), backups/DR, testing, documentation, and end-user support.

Manage and maintain Linux-based HPC CPU/GPU clusters (hardware, schedulers, parallel storage), support researchers with application builds and runtime debugging, troubleshoot CUDA/GPU and scheduler issues, manage configuration (Git, Ansible, MS DevOps), package management, and document processes while reporting progress to technical authority.

The Site Reliability Engineer at Sectigo ensures the reliability of services by implementing solutions using IaC, automation, and monitoring tools, while collaborating with engineering teams to enhance operations.

The role involves leading a technical solutions team, ensuring high-quality service delivery, troubleshooting issues, and building customer relationships while communicating effectively with stakeholders.

The IT Systems Engineer will provide L1 support for a Cyber Range platform, undergoing training and performing technical support duties such as incident triage and basic troubleshooting.