Role: Senior Linux System Administrator Location: Canada (Remote) Engagement: Short Contract

Role Summary: As a Senior Linux System Administrator, you will play a key role in maintaining, evolving, securing, and automating Client's Linux infrastructure supporting critical business applications across corporate distribution centers, and e-commerce environments. You will work closely with infrastructure, application, cloud, security, storage, backup, networking, and disaster recovery teams to ensure the reliability, performance, and resiliency of our Linux platforms.

Responsibilities: Administer and support enterprise Linux environments in production, development, testing, and disaster recovery environments. Manage physical servers, virtual machines, and container-based platforms. Support Kubernetes and containerized workloads running on enterprise platforms. Install, configure, maintain, and troubleshoot Linux operating systems and related infrastructure services. Perform operating system upgrades, patching, lifecycle management, and vulnerability remediation. Ensure compliance with security standards, hardening practices, and corporate policies. Monitor system performance, capacity, availability, and operational health. Participate in root cause analysis and problem management for critical incidents. Manage authentication, access control, privilege management, and system auditing. Support enterprise storage integrations, SAN, NAS, NFS, and related Linux services. Collaborate with backup, recovery, and resilience teams to ensure systems are protected and recoverable. Participate in Disaster Recovery planning, testing, documentation, and recovery exercises. Develop and maintain infrastructure automation using tools such as Ansible, AWX, and scripting technologies. Support automated patching, provisioning, compliance, and configuration management platforms. Create and maintain technical documentation, standards, procedures, and operational runbooks. Collaborate with project teams to design and deploy infrastructure solutions for new applications and business initiatives. Provide technical leadership and mentorship to peers and operational teams. Participate in an on-call rotation supporting critical business services.

What You Will Work With- Red Hat Enterprise Linux. Oracle Linux, Ubuntu Linux and others VMware virtualization platforms Kubernetes and container platforms Ansible / AWX Katello / Foreman Zabbix monitoring Active Directory integration Storage and backup infrastructures Enterprise Disaster Recovery solutions Infrastructure automation and scripting

Required Experience and Skills: 5+ years of hands-on Linux administration experience in medium to large enterprise environments. Strong knowledge of Red Hat Enterprise Linux, Oracle Linux, and/or Ubuntu. Experience managing both physical and virtual Linux infrastructures. Experience supporting containerized environments and Kubernetes platforms. Experience with Linux patching, vulnerability remediation, and security hardening. Solid understanding of networking fundamentals, including DNS, DHCP, routing, load balancing, and firewall concepts. Experience with automation and configuration management tools such as Ansible and AWX. Experience with VMware virtualization platforms. Strong troubleshooting and problem-solving skills. Experience working in production environments with high availability requirements. Excellent communication and documentation skills.

Asset: Experience with Rancher or Kubernetes administration. Experience with Katello / Foreman. Experience with enterprise monitoring platforms such as Zabbix. Knowledge of storage technologies, SAN, NAS, and NFS. Experience participating in Disaster Recovery and Business Continuity exercises. Knowledge of scripting languages such as Bash, Python, or PowerShell. Linux certifications (RHCSA, RHCE, LFCS, LFCE) are considered an asset.