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Linux Administrator
<p>We are seeking a skilled <strong>Linux Administrator / Specialist</strong> to manage, maintain, and optimize Linux-based systems and enterprise infrastructure. This role will support virtual environments, servers, directory services, messaging platforms, and database systems while ensuring security, performance, and reliability across the IT environment.  This is a 3-4 month contract to start for our client in North York, Ontario and fully on site. The ideal individual will be available to work immediately. </p><p><br></p><p><strong>Key Responsibilities:</strong></p><ul><li>Administer, monitor, and troubleshoot <strong>Linux servers</strong> in production and development environments. Based on general knowledge.</li><li>Manage and support <strong>VMware</strong> virtual infrastructure, including provisioning, maintenance, and performance tuning. </li><li>Maintain and optimize physical and virtual <strong>server</strong> environments. </li><li>Support and troubleshoot <strong>MySQL databases</strong>, including backups, performance, and availability. </li><li>Administer and support <strong>Microsoft Exchange</strong> environments. </li><li>Manage <strong>Active Directory (AD)</strong> integration, authentication, group policies, and user access. </li><li>Perform system patching, upgrades, backups, and disaster recovery planning. </li><li>Monitor system health, security, and capacity to ensure high availability and performance. </li><li>Collaborate with infrastructure, database, and application teams to resolve technical issues and improve system operations. </li><li>Document configurations, procedures, and support processes. </li></ul><p><br></p>
<p><strong>Required Skills / Qualifications:</strong></p><ul><li>Strong experience with <strong>Linux administration</strong>. </li><li>Hands-on experience with <strong>VMware</strong>. </li><li>Knowledge of <strong>server infrastructure</strong> and system performance tuning. </li><li>Experience supporting <strong>MySQL</strong> and other database environments. </li><li>Familiarity with <strong>Microsoft Exchange</strong> administration.</li><li>Experience with <strong>Active Directory</strong> and user/account management. </li><li>Strong troubleshooting and problem-solving skills. </li><li>Ability to work independently and in a team-oriented environment. </li></ul><p>*This job posting is for a current vacancy with our client.</p><p>*Our specialized recruiting professionals apply their expertise and utilize our proprietary AI to find you great job matches faster.</p>
<p>Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.</p> <p>Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. <a href="https://www.roberthalf.com/ca/en/mobile-app" target="_blank">Download the Robert Half app</a> and get 1-tap apply, notifications of AI-matched jobs, and much more.</p> <p>This job posting is for a current vacancy with our client.</p> <p>Our specialized recruiting professionals apply their expertise and utilize our proprietary AI to find you great job matches faster.</p> <p>Questions? Call your local office at 1.888.490.4429. All applicants applying for Canadian job openings must be authorized to work in Canada.</p> <p>Only job postings for jobs located in Quebec appear in French.</p> <p>© 2025 Robert Half. By clicking “Apply,” you’re agreeing to Robert Half’s <a href="https://www.roberthalf.com/ca/en/terms">Terms of Use</a> and <a href="https://www.roberthalf.com/ca/en/privacy">Privacy Notice</a>.</p>
  • Toronto, ON
  • onsite
  • Temporary
  • 45 - 55 CAD / Hourly
  • <p>We are seeking a skilled <strong>Linux Administrator / Specialist</strong> to manage, maintain, and optimize Linux-based systems and enterprise infrastructure. This role will support virtual environments, servers, directory services, messaging platforms, and database systems while ensuring security, performance, and reliability across the IT environment.  This is a 3-4 month contract to start for our client in North York, Ontario and fully on site. The ideal individual will be available to work immediately. </p><p><br></p><p><strong>Key Responsibilities:</strong></p><ul><li>Administer, monitor, and troubleshoot <strong>Linux servers</strong> in production and development environments. Based on general knowledge.</li><li>Manage and support <strong>VMware</strong> virtual infrastructure, including provisioning, maintenance, and performance tuning. </li><li>Maintain and optimize physical and virtual <strong>server</strong> environments. </li><li>Support and troubleshoot <strong>MySQL databases</strong>, including backups, performance, and availability. </li><li>Administer and support <strong>Microsoft Exchange</strong> environments. </li><li>Manage <strong>Active Directory (AD)</strong> integration, authentication, group policies, and user access. </li><li>Perform system patching, upgrades, backups, and disaster recovery planning. </li><li>Monitor system health, security, and capacity to ensure high availability and performance. </li><li>Collaborate with infrastructure, database, and application teams to resolve technical issues and improve system operations. </li><li>Document configurations, procedures, and support processes. </li></ul><p><br></p>
  • 2026-09-14T00:00:00Z

Linux Administrator Job in Toronto, ON | Robert Half