Top Linux Jobs in Ottawa

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.

Perform real-time incident detection and response across Windows, Mac, and Linux; conduct malware and forensic analysis; develop detection and remediation processes; produce clear communications and thought leadership; mentor teams and interact with customers.

Design, operate, and improve on-premises MLOps infrastructure to productionize, deploy, monitor, and optimize ML models. Troubleshoot across the stack (Linux, Docker, Kubernetes), refine CI/CD workflows, integrate training/validation testing, and collaborate with data scientists and engineers to ensure reliability and performance at scale.

Lead the development of an AI framework for endpoint security, collaborate with teams, optimize solutions, and ensure model efficiency across various platforms.

Lead the Platform Firmware team at Samsara, driving hardware program execution, managing firmware engineers, and collaborating with various stakeholders for high-quality hardware delivery.

As a Backend Engineer, you'll improve Git and Gitaly by contributing features, bug fixes, and performance improvements, collaborating with the open source community, and participating in architectural discussions.

Design, develop, and maintain cloud-native, high-performance user-plane services for 5G Core. Build and optimize packet processing (DPDK), containerized microservices (Docker/Kubernetes) on public cloud (AWS/Azure/GCP). Own end-to-end service lifecycle, contribute to CI/CD, troubleshoot production networking and cloud infrastructure, and improve system performance and reliability.

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.

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.

Design, develop, and maintain automated test suites and frameworks for carrier-grade networking products. Execute functional, integration, system, regression, and solution-level tests, analyze results, identify root causes, integrate tests into CI pipelines, and collaborate with cross-functional teams to ensure reliability, scalability, and customer-ready deployments.

Lead a small technical team as a Systems Administrator, overseeing IT operations, cloud infrastructure, security practices, and incident response, while improving automation and service delivery.

The role involves designing and maintaining test automation frameworks in Python, developing reusable code, integrating with CI/CD pipelines, and collaborating across teams to ensure software quality.

The Senior FPGA Designer will design and implement FPGA controls, support verification and testing, and collaborate across engineering teams. Responsibilities include lab validation, synthesis, optimization, documentation, and mentoring junior engineers.

Lead enterprise vulnerability identification and response by monitoring advisories, analyzing CVEs and exploitability, coordinating cross-functional remediation, validating mitigations, supporting incident response, and translating technical findings into actionable guidance for infrastructure, application, cloud, and product teams.

Design, implement, and test firmware for next-generation optical engines (long-haul, metro, DCI). Produce firmware requirement and design documents, collaborate with optical/hardware/FPGA/software/manufacturing/test teams, support manufacturing knowledge transfer, debug customer issues, contribute testing documentation, participate in design reviews, and drive firmware development process improvements.

Create and maintain end-user, installation, admin, online help, and knowledge-base documentation for KeyControl products. Collaborate with engineers and product teams, follow style guides, validate steps, track tasks within Agile sprints, maintain version control, and update republished content. Produce visual diagrams and support documentation reviews and publishing.

Develop and debug embedded software, troubleshoot system-level customer issues involving Linux, SONiC, Docker, networking, telemetry and crash data. Build and maintain AI agents and automated diagnostic workflows that analyze logs and recommend troubleshooting steps. Convert recurring issues into reusable tools, playbooks, and triage processes, and collaborate with software, QA, systems engineering, DevOps, field, and support teams to reproduce issues and validate fixes.

The role involves managing technical contributions and leadership in open source development for QNX RTOS, including porting projects, mentoring engineers, and integrations with subsystems.

Design, implement, test, and document firmware for next-generation optical engines (long-haul, metro, DCI). Collaborate with optical, hardware, FPGA, software, manufacturing, and test teams, debug customer issues, support manufacturing knowledge transfer, and improve firmware development processes and test documentation.

The Solution Test Engineer tests and validates cloud solutions, leads testing strategy creation, mentors engineers, and collaborates with teams to deliver quality solutions.

The Embedded Software Engineer will develop, test, and deliver high-quality designs and code, focusing on embedded Linux software. Responsibilities include creating automated tests, resolving issues during verification, and participating in an agile development process.

Provide hands-on technical support and troubleshooting for software and hardware integrating two-way radios, VMS, access control, networks, and I/O. Guide installs, upgrades, reproduce and document issues, maintain support records and knowledgebase, and escalate bugs to Engineering while collaborating with Sales, QA, and Operations to optimize deployments and customer experience.

Design, implement, and integrate embedded C/C++ software for Linux and RTOS on SoC platforms interfacing with ASIC/FPGA hardware. Own full lifecycle from requirements to delivery, mentor junior engineers, support field deployments, and apply coherent optics and networking protocol expertise to optimize system performance.

The role involves developing embedded software for LiDAR products, defining product requirements, and supporting software verification, while mentoring junior engineers.