Top Linux Jobs in Ottawa

Design and implement components for a blockchain infrastructure, focusing on distributed systems and AI execution, while ensuring network reliability and performance.

Build sophisticated user interfaces for AI and blockchain interactions, including monitoring tools and decentralized application interfaces, while collaborating across teams for seamless user experience.

The role involves developing and testing software stacks for networking devices, including embedded firmware and device drivers, for automotive applications.

Provide expert MongoDB technical support, troubleshoot complex deployments, administer Linux systems, advise on schema/design, performance tuning, backups, monitoring, and collaborate on support content and product strategy while occasionally traveling for team or customer meetings.

As a Senior Power Applications Engineer, you will analyze requirements, design advanced power network applications, and perform testing and integration to support utilities and energy markets.

As a PostgreSQL Database Support Engineer, you'll assist DBA teams with troubleshooting, create knowledge base articles, and author community blogs while focusing on performance tuning and high availability solutions.

Support and improve CI/CD pipelines, release automation, and cloud infrastructure for SaaS microservices. Deploy and troubleshoot containerized workloads (Kubernetes/EKS), write automation scripts (Groovy/Python/Bash), use Terraform for infrastructure provisioning, integrate DevSecOps tooling, communicate release status and risks, and participate in on-call rotations to maintain build and release reliability.

As a Software Engineer, you will develop and maintain the Tally software stack, enhance robot navigation and autonomy, and support CI/CD processes.

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.

Develop high-performance cloud and container technologies for Edge computing, using Kubernetes and related projects. Collaborate in automated testing and contribute to open-source StarlingX. Ensure fault tolerance and high availability in system architecture.

Design, develop, test, and optimize embedded C/C++ software for high-performance networking modules on Linux and VxWorks. Implement real-time OS and networking protocol functionality, create automated tests, troubleshoot performance and reliability issues, and collaborate with factory teams, peer engineers, and vendors for delivery and calibration.

Design and implement secure system architectures and controls for Air & Naval systems. Conduct threat modeling, vulnerability assessments and technical security testing of OS, containerized environments and applications. Ensure compliance with NIST/ITSG/DISA/FIPS frameworks, produce SA&A artifacts (SSP, risk assessments, test reports), develop Security Test Procedures, support audits, and mentor junior staff.

Design and implement cybersecurity strategies and system security architectures for Air & Naval systems. Conduct threat modeling, vulnerability assessments and technical security testing of OS, containers and applications. Develop Security Test Procedures, author SA&A artifacts (SSPs, risk assessments, test reports), support audits, and mentor junior staff. Ensure compliance with NIST RMF, ITSG-33, DISA STIGs, FIPS and maintain SBOMs with CVE mapping.

Develop and maintain secure, scalable Java backend applications and integrations. Design RESTful services, troubleshoot production issues, improve performance and reliability, apply secure coding practices, and collaborate with UI and business stakeholders. The role includes monitoring systems, conducting code reviews, supporting incident postmortems, and mentoring junior developers within an Agile engineering team. This is a hybrid position based in Etobicoke, Ontario, requiring two office days per week.

Designs, builds, and maintains cloud environments and CI/CD pipelines for scalable, reliable applications. Responsibilities include cloud platform assessment, infrastructure automation, container orchestration, application deployment, monitoring, vulnerability remediation, security safeguards, testing, documentation, issue tracking, and technical reporting. The role requires extensive Linux, scripting, cloud, integration, testing, and DevOps tooling experience, with at least five years supporting cloud platforms and CI/CD initiatives.

Deploys, integrates, supports, and optimizes video delivery solutions in customer broadcast and streaming environments. Responsibilities include installation, configuration, troubleshooting, log and performance analysis, customer training, deployment documentation, automation scripting, and collaboration with R&D, Sales, and Product Management. The role requires Linux, networking, video compression, and streaming protocol expertise, participation in a 24/7 on-call rotation, and on-site work in Toronto three days weekly.

Provide Tier 1 technical support by resolving configuration and networking issues, managing a high-volume ticket queue, meeting response and resolution targets, and maintaining strong customer satisfaction. Troubleshoot across macOS, Windows, Linux, and mobile operating systems, explain technical concepts clearly, and collaborate with Customer Experience, Product, and Engineering teams to identify recurring user issues and improve the customer experience.

Lead technical delivery for complex Atlassian consulting projects, including discovery, architecture, configuration, integrations, customizations, migrations, workflow implementation, and issue resolution. Guide consultants, translate business needs into technical solutions, document requirements and roadmaps, and deploy Jira and Confluence environments across server, Data Center, and cloud platforms. Advise clients on implementation approaches while ensuring performance, feasibility, and alignment with business outcomes.

Designs and scales infrastructure for GenAI and LLM workloads across multi-GPU, cloud, and on-premise environments. Responsibilities include GPU profiling, distributed training optimization, Slurm and Kubernetes cluster management, NVIDIA stack enablement, GenAI pipeline deployment, infrastructure-as-code, CI/CD automation, self-service platform development, monitoring, and client-facing architecture leadership. The role mentors technical teams and collaborates with data science, MLOps, software engineering, and application teams.

Lead Flight Dynamics for the Lightspeed LEO constellation, owning orbital operations, SSA, maneuver and station-keeping strategy, CONOPS across mission phases, team leadership, FD system development, cross-team coordination, and go/no-go operational decisions.

Designs, implements, and operates cloud networking (primarily Azure) and hybrid connectivity, integrating SaaS and on-prem systems. Automates deployments using Terraform, PowerShell, CLI and ARM templates, monitors performance and security, supports Kubernetes network environments, and collaborates with architects, DevOps, SRE, and cybersecurity teams.