Mainframe Support Analyst in Toronto

Apptoza Inc.

toronto, on, Canada
Full-time
Posted June 05, 2026

Job Description

Enhance production operations with expertise in mainframe support as an onsite analyst in Toronto. Engage in application custodianship, risk assessments and troubleshooting production incidents.

This contract role focuses on critical production support within major applications such as ACA, ERIC, and PARA. You will facilitate production mailbox management, incident tickets reviews, and risk team updates. Collaboration with developers to resolve production issues is essential, alongside handling tasks like certificate renewals and developing deployment approvals.

Key Responsibilities:
• Manage application custodianship for critical systems
• Review and triage incident tickets in production
• Update production information as necessary
• Collaborate with developers on issue resolutions
• Coordinate annual audits and penetration testing

Requirements:
• Strong background in mainframe production support
• Famili...