Linux System Administrator
- Toronto, ON, Canada
Full-time
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Job details
- Job type
- Full-time
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- Posting language
- English
- Posted
Original job description
Job Description: Linux System Administrator
Role Summary
We are looking for an experienced Linux System Administrator with strong expertise in Linux infrastructure administration, automation using Ansible, and working knowledge of IBM WebSphere Application Server (WAS).
Key Responsibilities
Administer, configure, maintain, and troubleshoot Linux servers in production environments.
Perform server provisioning, patching, upgrades, capacity management, and performance tuning.
Manage users, permissions, file systems, storage, services, networking, and system security.
Develop and maintain Ansible playbooks, roles, and scripts to automate routine administration, configuration, patching, and deployment activities.
Identify opportunities to reduce manual effort and improve operational efficiency through automation.
Perform incident troubleshooting, root cause analysis, and resolution for Linux infrastructure issues.
Support IBM WebSphere Application Server (WAS) administration, including deployments, service management, configuration, log analysis, and troubleshooting.
Support production changes, maintenance activities, vulnerability remediation, and operational health checks.
Maintain technical documentation, SOPs, and operational procedures.
Required Skills
Must have experience in Puppet, Foreman and Qualys
Strong hands-on experience with Linux administration, preferably RHEL.
Good hands-on experience with Ansible and infrastructure automation.
Strong knowledge of shell scripting, system troubleshooting, patching, networking, storage, and performance monitoring.
Working knowledge of IBM WebSphere Application Server (WAS).
Experience supporting 24x7 production environments and handling incidents/changes.
- Good troubleshooting, documentation, and communication skills.
More about this job
Responsibilities
Administer and troubleshoot production Linux servers, including provisioning, patching, upgrades, security, capacity management, and performance tuning. Automate routine operations with Ansible and support IBM WebSphere Application Server deployments, maintenance, incident resolution, and operational documentation.
Requirements
Requires hands-on Linux administration experience, preferably with RHEL, along with experience in Puppet, Foreman, and Qualys. Candidates should have Ansible and shell scripting skills, working knowledge of IBM WebSphere Application Server, and experience supporting production incidents and changes.
Skills
- Linux Administration
- RHEL
- Ansible
- Puppet
- Foreman
- Qualys
- IBM WebSphere Application Server
- Shell Scripting
- Server Provisioning
- Patching
- Networking
- Storage Management
- Performance Monitoring
- Troubleshooting
- Incident Management
- Root Cause Analysis
Visa sponsorship
Not detected in the job text
Categories
- Technology
- Transportation
Keywords
- Linux
- RHEL
- Ansible
- Puppet
- Foreman
- Qualys
- IBM WebSphere Application Server
- WAS
- Shell Scripting
- Infrastructure Automation
- Server Provisioning
- Patching
- Upgrades
- Capacity Management
- Performance Tuning
- User Management
- Permissions
- File Systems
- Storage
- Networking
- System Security
- Incident Troubleshooting
- Root Cause Analysis
- Production Support
- Vulnerability Remediation
- Operational Health Checks
- Technical Documentation
- Transportation