7 results for Systems Administrator in Mississauga, ON

Network Administrator

North York, ON
onsite
Permanent
90000 - 120000 CAD / Yearly
We are looking for a Network Administrator to support and maintain reliable network operations in North York, Ontario. This role focuses on ensuring secure connectivity across enterprise environments, resolving performance issues, and helping keep network infrastructure stable and well documented. The successful candidate will work with routing, firewalls, and wide area connectivity while contributing to controlled network changes and ongoing operational improvements. Responsibilities:• Administer and support enterprise network infrastructure, including routing, switching, firewall technologies, and wide area connectivity.• Investigate and resolve complex network outages, latency concerns, and connectivity problems to maintain dependable service.• Implement network modifications in production environments by following established change management practices and minimizing operational risk.• Monitor network performance and apply traffic prioritization and bandwidth management techniques to improve availability and efficiency.• Maintain accurate technical records, diagrams, and operational documentation to support supportability and knowledge sharing.• Collaborate with internal teams to address incidents, service requests, and recurring infrastructure issues in a timely manner.• Support cloud-delivered networking and security platforms, including firewall and software-defined wide area solutions where applicable.• Contribute to network security operations by assisting with access controls, traffic inspection, and protective measures across the environment.
2026-04-22T00:00:00Z

Senior Database Administrator

Mississauga, ON
onsite
Permanent
95000 - 115000 CAD / Yearly
We are looking for an experienced Senior Database Administrator to support an organization in Mississauga, Ontario. This position is suited to a senior technical specialist who can strengthen database reliability, guide architectural decisions, and improve performance across enterprise environments. The role works closely with delivery teams and business partners to ensure database solutions are scalable, secure, and aligned with operational priorities. Responsibilities:• Establish and oversee database performance and capacity strategies, including standards that support long-term stability and growth.• Partner with project managers, developers, and business analysts to deliver database components for concurrent business and technology initiatives.• Investigate and resolve production database issues, including performance concerns linked to application code and data processing.• Create detailed testing approaches and maintain reusable scripts to validate database changes before release.• Review requested changes, assess downstream impact, and provide informed estimates for effort, timelines, and implementation considerations.• Develop and maintain automation and support scripts using Perl, shell scripting, and PL/SQL for monitoring, maintenance, and operational support.• Design and implement database architecture across development, test, and production environments to ensure consistency and resiliency.• Participate in an after-hours support rotation to address urgent database incidents and maintain service continuity.
2026-04-29T00:00:00Z

Payroll Administrator

Kitchener, ON
onsite
Temporary
26.15 - 30 CAD / Hourly
We are looking for a Payroll Administrator to join a high-volume payroll team in Kitchener, Ontario on a Contract basis. In this role, you will help deliver accurate and timely payroll services for a unionized workforce while supporting day-to-day payroll operations and employee inquiries. This opportunity is ideal for someone who brings strong analytical ability, sound judgement, and confidence working within deadlines in a computerized payroll environment. Responsibilities: • Review payroll data and timesheets and apply appropriate earnings, deductions, and employer contributions within the payroll system.• Calculate and enter payroll adjustments related to paid leaves, unpaid absences, and other exceptions affecting employee compensation.• Validate payroll output by checking online production reports, correcting discrepancies, and preparing files for transmission.• Complete statutory and voluntary remittances on schedule, maintaining compliance with applicable payroll obligations.• Prepare, balance, and verify journal entries and cheque requests to support payroll accounting activities.• Respond to payroll-related questions from employees and collaborate with internal departments and external agencies to resolve issues clearly and professionally.• Contribute to a busy team environment by assisting with reporting, operational priorities, and payroll activities
2026-04-30T00:00:00Z

Payroll Administrator

Mississauga, ON
onsite
Temporary
40 - 50 CAD / Hourly
We are looking for an experienced Payroll Specialist with strong SAP payroll expertise to join our team in Mississauga, Ontario. This contract position is ideal for a payroll professional who can independently manage end-to-end payroll processing in an SAP environment, with a strong understanding of compliance, unionized settings, and payroll system configuration. In this role, you will play a key part in ensuring accurate and timely payroll processing, supporting complex payroll changes, and maintaining compliance with regulatory and collective agreement requirements. Responsibilities:<ul><li>Configure and maintain the payroll system to support annual salary increases and updates in accordance with collective agreements and union settlements</li><li>Independently execute full-cycle payroll processing as required, ensuring accuracy and timeliness</li><li>Assess the effectiveness and reliability of payroll-related systems and processes, recommending improvements where needed</li><li>Leverage technology to enhance payroll processes and drive operational efficiencies</li><li>Prepare, review, and validate payroll reports to ensure accuracy and completeness</li><li>Generate payroll, time, and employee data reports for management as required</li><li>Collaborate with internal and external auditors during audits and provide necessary payroll data and documentation</li><li>Support collective bargaining, grievance, and settlement processes by providing accurate payroll data and analysis</li><li>Ensure compliance with payroll regulations, company policies, and union agreements</li><li>Maintain strong working knowledge of payroll, time and attendance systems, including SAP</li></ul>
2026-04-28T00:00:00Z

Payroll Administrator

North York, ON
remote
Temporary
26 - 26 CAD / Hourly
We are looking for a skilled Payroll Administrator to join our team on a contract basis in East York, Ontario. This role involves managing full-cycle payroll processes and ensuring accurate and timely payment for employees across our organization. If you have strong expertise in payroll systems and are experienced with Workday, we encourage you to apply. Responsibilities: • Process full-cycle payroll for employees, including retail staff, in accordance with organizational policies. • Ensure compliance with Canadian payroll regulations and standards in all payroll activities. • Utilize Workday software to manage payroll operations efficiently and accurately. • Calculate and process employee benefits, deductions, and other payroll adjustments. • Investigate and resolve payroll discrepancies in a timely manner. • Prepare and issue payroll reports to management for review and analysis. • Collaborate with human resources to update employee records and ensure accurate data. • Maintain confidentiality of payroll information and adhere to organizational data security protocols. • Assist with audits and provide necessary documentation related to payroll. • Stay updated on changes to payroll legislation and best practices to ensure compliance.
2026-04-22T00:00:00Z

Accounting Administrator

Brantford, ON
onsite
Permanent
70000 - 80000 CAD / Yearly
We are looking for a detail-oriented Accounting Administrator to join our team in Brantford, Ontario. This role involves managing various accounting tasks while ensuring accuracy and timeliness in financial operations. The successful candidate will play a key part in maintaining financial records, generating reports, and supporting audits. Responsibilities:• Process accounts payable invoices and ensure timely payments to vendors.• Apply customer payments, issue credits when necessary, and monitor accounts receivable for overdue balances.• Maintain control files for US$ and Canadian$ bank accounts, including preparing monthly financial forecasts.• Generate finance reports as required and complete monthly financial statements with detailed general ledger analysis.• Assist with cost accounting, balance sheet analysis, and the preparation of audit schedules for external auditors.• Support the development of internal controls and accounting processes to improve efficiency.• Perform monthly transaction reconciliations to trial balance and prepare audit documentation for third-party auditors.• Complete inventory adjustments and ensure accurate reporting.• Handle general office duties and assist with IT-related functions as needed.
2026-04-29T00:00:00Z

Network Architect

Brampton, ON
remote
Temporary
80 - 90 CAD / Hourly
We are looking for a Network Architect to support a Contract engagement with a metal fabrication organization in Brampton, Ontario. This role will focus on strengthening network performance, improving switch configurations, and identifying the root causes of connectivity and latency issues across the environment. The successful candidate will bring deep expertise in network architecture and configuration management, along with the ability to optimize infrastructure for reliability, scalability, and day-to-day operational efficiency. Responsibilities: • Assess the current switching environment and provide technical guidance for upgrading legacy HP/Aruba equipment to newer 1830 and 2930 models. • Review and refine switch configurations to ensure the organization is using available features effectively and aligning the network with best practices. • Investigate spanning tree behaviour across the network and implement corrective measures to improve stability and reduce disruption. • Analyze the layer 3 core network design and recommend improvements that support performance, resilience, and future growth. • Examine the integration between the Barracuda firewall and Microsoft Azure to identify configuration or connectivity issues affecting system responsiveness. • Troubleshoot slow network performance related to cloud connectivity and develop practical solutions to improve communication with Azure services. • Evaluate the existing UniFi wireless access point environment and confirm it is operating efficiently within the broader network architecture. • Document findings, proposed changes, and implementation recommendations clearly for internal stakeholders and technical teams.
2026-04-29T00:00:00Z