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3 results for Infrastructure Linux Administrator in Etobicoke, ON

CAN - Systems Administrator: II (Intermediate)
  • Mississauga, ON
  • onsite
  • Temporary
  • 30 - 40 CAD / Hourly
  • <p>This job posting is for a current contract vacancy with our client. We are looking for a hands-on Infrastructure Systems Administrator to support and maintain enterprise IT systems across a North American environment. This role is ideal for someone who enjoys solving complex technical issues, working across infrastructure technologies, and contributing to large-scale enterprise initiatives. You will play a key role in maintaining core systems, supporting infrastructure operations, and helping drive modernization initiatives including ERP and enterprise platform migrations.</p><p><br></p><p><strong>Key Responsibilities</strong></p><ul><li>Provide day-to-day support for enterprise IT infrastructure, including servers, user accounts, and core services.</li><li>Act as a Tier 2 escalation point, troubleshooting infrastructure issues and supporting both in-house and remote users across Canada.</li><li>Install, maintain, and support systems across Canada and the U.S. while ensuring adherence to IT standards and best practices.</li><li>Monitor infrastructure alerts and maintain accurate documentation for incidents, requests, and resolutions.</li><li>Collaborate with infrastructure teams including systems, networking, virtualization, and backup to resolve issues and support technical initiatives.</li><li>Participate in enterprise technology projects, including ERP migrations and IT platform modernization.</li><li>Perform infrastructure lifecycle management, including server builds, OS upgrades, vulnerability remediation, and hardware replacements.</li><li>Assist with automation and scripting efforts to improve operational efficiency.</li><li>Occasionally provide onsite infrastructure or network support within the GTA when required.</li></ul><p><br></p>
  • 2026-03-20T00:00:00Z
Senior IT Security Engineer
  • North York, ON
  • onsite
  • Permanent
  • 120000 - 130000 CAD / Yearly
  • <p><strong><u>This job posting is for a current vacancy with our client.</u></strong></p><p><br></p><p>We are looking for a Senior Information Security Engineer to join a nationwide Technology team, and support a well-established insurance company. This role works closely with Infrastructure and Information Security leaders to strengthen the company’s security posture, ensure system reliability, and support the ongoing evolution of enterprise security practices.</p><p><br></p><p>In this position, you will play a key role in implementing and maintaining security systems, documenting policies and procedures, troubleshooting complex issues, and monitoring environments to ensure compliance, reliability, and availability.</p><p><br></p><p><strong>In this role, you will:</strong></p><p><br></p><ul><li>Support the implementation and maintenance of cybersecurity systems and controls.</li><li>Work with technologies including firewalls, vulnerability scanners, SIEM tools, and related platforms.</li><li>Assist with IT management infrastructure such as automated tasking, standard builds, monitoring systems, paging tools, patch deployment, and application deployment.</li><li>Serve as a senior member of the Vulnerability Management, Incident Management, and Security Configuration teams.</li><li>Troubleshoot and resolve Tier 3 technical issues.</li><li>Respond to, mitigate, and recover from assigned security events.</li><li>Conduct vulnerability testing, scanning, and documentation.</li><li>Monitor for security breaches and suspicious activity.</li><li>Provide mentorship, guidance, and knowledge transfer to other team members.</li><li>Maintain and update cybersecurity and IT documentation, including policies, procedures, and technical standards.</li></ul>
  • 2026-03-25T00:00:00Z
Database Administrator
  • Toronto, ON
  • onsite
  • Permanent
  • 115000 - 125000 CAD / Yearly
  • <p><strong>Oracle Database Administrator (Cloud &amp; On-Prem) – Payments Industry - $115k - $125k + bonus + benefits </strong></p><p><br></p><p>Are you passionate about designing and optimizing database solutions for mission-critical systems? We’re looking for an experienced Database Administrator to join a dynamic team within the payments space. </p><p><br></p><p><strong>What You’ll Do</strong></p><p>·      Design, deploy, and maintain databases across Oracle, PostgreSQL, MySQL, SQL Server, and AWS services (RDS, DynamoDB, Aurora, Redshift).</p><p>·      Optimize performance through query tuning, indexing, and schema design for high-volume systems.</p><p>·      Implement backup, recovery, archival, and disaster recovery solutions.</p><p>·      Develop automation scripts and workflows to reduce vendor reliance and streamline operations.</p><p>·      Ensure database security with IAM policies, encryption (KMS), and auditing.</p><p>·      Collaborate with DevOps teams to integrate databases into CI/CD pipelines.</p><p>·      Troubleshoot complex issues including Oracle infrastructure problems and performance bottlenecks.</p><p>·      Participate in on-call rotation for critical support – currently 1-in-4 weeks. </p>
  • 2026-03-23T00:00:00Z