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.

Develop scalable backend software and tools for upgrading and deploying thousands of production servers. Responsibilities include production error audits, log analysis, CI/CD pipeline maintenance, customer escalation triage, bug resolution, incident response, root cause analysis, and process automation. The role uses backend technologies, scripting, containerization, and internet optimization techniques in a flexible cloud and edge computing environment.

Develop AI-driven applications and agentic workflows using TypeScript, Nest.js, LangChain, LangGraph, and LLM integrations. Build Java-based REST APIs and backend systems using distributed and big-data technologies. Collaborate with product, design, frontend, and backend teams to deliver features, test and review code, refactor systems, and support continuous improvement.

Develop, integrate, and unit test features for Nokia's Service Router OS. Collaborate with product managers and QA to gather requirements, troubleshoot and perform root cause analysis, and take ownership of modules while working cross-functionally to deliver high-quality embedded software.

The role involves researching AI/ML concepts for OS, implementing advanced technologies, and optimizing performance and resource management in embedded systems.

The researcher will analyze and innovate OS technologies, focusing on concurrency, resource management, and implement advanced operating systems for AI/ML applications.

The Centralized Services Engineer maintains remote monitoring platforms, manages security and infrastructure reliability, supports patch management, and develops automation scripts.

Develop, verify and validate high-fidelity modelling and simulation scenarios in AFSIM and related engines; program in C++, Python (and C/C#), perform V&V, code reviews, unit testing, CI/CD with GitLab, refactor and integrate simulation components, and provide tactical analysis for defence stakeholders.

Lead systems engineering across the full product lifecycle for rugged deployed systems. Drive integration, verification, test automation, and manufacturing technical data package releases. Debug hardware/firmware/OS issues, ensure environmental and safety compliance, support and enhance products, improve processes, and produce clear user and design documentation.

The Information Systems Specialist will design, develop, and maintain embedded Linux infrastructures connecting quantum control hardware, while implementing network configurations and web management applications.

Design, build, and maintain embedded Linux systems and network infrastructure. Implement automation and collaborate on technical projects. Manage device monitoring and documentation.

Lead full systems engineering lifecycle for rugged deployed systems: define low-level requirements, architect hardware/software, lead integration and test, ensure environmental and safety-standard compliance, perform debug/troubleshooting across hardware/firmware/OS, and produce formal requirements documentation for certification in harsh environments.

Own design, implementation, and maintenance of the integration testing framework. Translate manual tests to automated scripts, collaborate with developers to ensure testability, manage integration test backlog, write/run/debug tests, and support CI/CD delivery for product releases.

Manage and maintain the C5ISR demo/loaner hardware pool; design, assemble, configure and validate demonstration systems; perform board-level integration and system bring-up; install OS/middleware and deploy embedded software; support sales with customized demos, trade shows, and technical documentation; conduct benchmarking, testing, troubleshooting, and coordinate with partners and product teams.

Lead a team developing automated tests for safety-critical embedded real-time operating systems, mentoring junior engineers and ensuring adherence to Agile and test methodologies.

Design, build, and automate tests for the Wind River Conductor cloud orchestration platform. Develop scalable test automation, end-to-end and integration tests for Kubernetes-based distributed systems, contribute to CI/CD and test infrastructure, validate deployments, own regression strategy, and debug product and integration issues across globally distributed teams.

The Software Developer will design, develop, and test embedded software modules, collaborate with teams, troubleshoot issues, and ensure software quality, while participating in Agile Scrum methodologies.

The Senior Systems and Software Architect will design, develop, and test embedded software systems for LEO satellites, collaborating with cross-functional teams and ensuring high-quality deliverables.

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.