Top Linux Jobs in Ottawa

Lead and execute incident response engagements, perform host and network forensics across Windows, macOS, and Linux, conduct basic malware analysis and reverse engineering, develop hunting methods, produce reports and remediation plans, engage with legal and executives, and contribute thought leadership and public-facing content.

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.

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 software applications for Ciena’s next-generation network management solution. Collaborate with developers and testers through Agile Scrum meetings, implementation discussions, code reviews, integration testing, and the software development lifecycle. The role offers mentorship and experience building scalable customer-facing solutions using modern technologies. Candidates should have programming experience, Linux familiarity, strong communication skills, motivation, and willingness to learn. Database, Docker, REST API, debugging, and Jira or Confluence experience are assets.

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.

Lead security architecture, engineering, and advisory activities for defence/government IT environments. Design secure architectures, assess security technologies and protocols, perform risk analyses, produce technical reports and advisories, conduct data classification, develop training, and brief senior stakeholders while applying government security frameworks and best practices.

Design, develop, test, and support embedded firmware for Intel, Power, and ARM platforms. Analyze requirements, read IC datasheets and schematics, perform architecture/design/code reviews, evaluate new technologies, debug software/hardware, and collaborate with multidisciplinary teams to bring up boards and improve processes.

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.

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.

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.

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.

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.