Top Linux Jobs in Ottawa

Develop, test, integrate, and maintain high-performance L1 embedded software for Ericsson 5G processing platforms and cloud-based RAN environments. Implement physical-layer baseband features across wireless standards and deployment scenarios, troubleshoot complex real-time systems, participate in code reviews and agile practices, maintain test coverage, and document designs and test plans. The role also involves exploring cloud-native optimization and applying AI/ML techniques where appropriate.

Provide advanced technical support for GitLab’s largest customers, troubleshooting complex Linux, GitLab, CI/CD, infrastructure, and integration issues. Build customer relationships, resolve critical incidents, collaborate with Product, Development, Infrastructure, Customer Success, and Sales teams, create reusable support documentation, share knowledge, and participate in hiring. The role requires strong Linux systems expertise, scripting ability, debugging skills, and familiarity with Kubernetes and serverless technologies.

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.

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.

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.

Join Entrust's PKI and Cryptography R&D team to design, implement, and test security‑critical backend components. Work on certificate and key management, secure communications, cryptographic algorithms and protocols, and post‑quantum cryptography prototyping using C/C++/Java in a hybrid Ottawa environment.

Administers and optimizes servers, networks, cloud platforms, applications, cybersecurity controls, backups, and end-user systems. Serves as the Tier 3 escalation point, leads infrastructure upgrades and deployments, manages disaster recovery and business continuity, mentors junior staff, and advises leadership on technology standards, roadmaps, and risk. The role is based on-site in Ottawa and includes after-hours on-call leadership.

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.

Develop, test, and maintain embedded C++ software and Qt-based graphical interfaces for mission-critical systems. Integrate and debug applications on Linux platforms, collaborate with software, systems, test, and integration teams, troubleshoot UI and communication issues, participate in design and code reviews, support system validation and deployment, and maintain technical documentation.

Provide hands-on helpdesk support, triage and resolve tickets, manage onboarding/offboarding, provision hardware (Autopilot), administer Active Directory/Entra ID and Exchange Online, maintain Windows/Office 365 and some Mac/Linux systems, document IT processes, and support compliance and cybersecurity needs.

Develop and manage mission-critical infrastructure services for Akamai’s cloud lab platform. Build deployment stacks for test datacenters, design observability and monitoring solutions, improve deployment and configuration performance, and collaborate with engineering, architecture, and site reliability teams. The role requires strong Infrastructure as Code, Python, REST API, container orchestration, development-environment tooling, and relational database experience.

Develop low-level embedded software for advanced networking products, working with Linux kernel components, user-space utilities, build systems, and hardware bring-up. Build scripts, test utilities, and development tools while participating in the full software development lifecycle, including testing, debugging, documentation, maintenance, and quality improvements.

Develop and own embedded software features for synchronization and timing on service router products. Design, implement, unit test, and integrate timing components; collaborate with HW, QA, product management, and vendors; troubleshoot hardware-software issues; ensure fault tolerance, high availability, and code quality for real-time, high-performance Linux-based systems.

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.

Designs and manages CI/CD pipelines, cloud-agnostic infrastructure, containerized applications, monitoring, and automated deployment systems across AWS, Azure, GCP, and on-premises environments. The role uses Terraform, Kubernetes, Ansible, Docker, scripting, and infrastructure-as-code practices to improve reliability, scalability, security, and operational efficiency. Responsibilities include troubleshooting, system hardening, network and virtualization management, tool integration, automated testing, and evaluating DevOps technologies.

Designs and manages CI/CD pipelines, cloud-agnostic infrastructure, containerized applications, monitoring, and automation across AWS, Azure, GCP, and on-premises environments. The role involves infrastructure as code, system hardening, troubleshooting, networking, virtualization, scripting, automated testing, and evaluating DevOps tools. Candidates collaborate with stakeholders throughout the software development lifecycle and must be eligible to work in Canada and obtain Canadian government security clearance.

Provide hands-on design, administration, hardening, and operational support for client networks and security tooling; lead ZTNA and cloud security work; support active incident response, vulnerability remediation, backup/DR testing, and deliver client documentation while participating in on-call rotations and rapid IR mobilizations.

Join an agile embedded software team to design, implement, test, and optimize features for Ford's Telemetry Control Unit. Investigate and resolve defects, integrate third-party and open-source software, and collaborate across teams to deliver cross-functional embedded system capabilities.

Design, implement, and validate core RTOS components and device drivers. Write maintainable C code and tests in a CI/CD agile environment, debug kernel-level issues, produce technical documentation, and collaborate with hardware, tools, and verification teams to meet real-time and safety-critical requirements.

Own quality for assigned features and services by designing risk-based test approaches, building automated API/UI/integration tests, integrating tests into CI/CD pipelines, monitoring pipeline health, and collaborating with engineers to improve testability and prevent defects. Apply AI/agent-assisted testing workflows and contribute to test frameworks and tooling.

Design, develop, test, and maintain high-availability cloud and container infrastructure for edge computing. Contribute to StarlingX and open-source projects, build configuration management, process monitoring, backup/restore, and fault-tolerant solutions across multiple Linux hosts using Kubernetes, OpenStack, and related tooling.

Lead design and development of XDR and DNS-based cybersecurity backend services. Translate security requirements into secure, scalable code, perform code reviews, mentor engineers, support CI/CD, containerized/cloud deployments, troubleshoot performance and vulnerabilities, participate in architecture decisions, maintain documentation, and join a rotating 24/7 on-call incident response schedule.

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.