Jobs in Canada

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Added 7 days ago
FM
Quality Engineer
FluidAI Medical
Kitchener, ON
- $70,000 to $85,000 CAD / year
Familiarity with IEC 62304 and software as/in a medical device
Added 7 days ago
Quality Designer - Research & Engineering
Electronic Arts
Vancouver, BC
3+ years of software testing, including at least 1 year in video games
Added 7 days ago
F
Chief Revenue Officer (CRO) & Co-founder - AI for Small Law Firms
FutureSight
Canada
- Full-time
Unlike self-serve software, BloomLex is fully managed. We configure, deploy, monitor, and continuously improve the AI workforce for each firm. Our customers evaluate us on outcomes - calls…
Added 7 days ago
L
5794 - 3rd Key
Lids
Timmins, ON
- $18.45 CAD / hour
- Part-time
Ability to frequently operate a computer and mobile Point-of-Sale system, as well as maneuver relative software programs.
Added 7 days ago
R
Lab Sampling Technician
Raise
Lac la Biche, AB
- Full-time
Fly-in/Fly-out (FIFO) or bus transportation available
Added 7 days ago
ES
Mainframe Application Support Engineer
Epsilon Solutions Ltd.
Toronto, ON
- Contract
Added 7 days ago
F
Technical Co-founder - AI Collections Agent
FutureSight
Canada
- Full-time
Added 7 days ago
F
Co-Founder & CEO - AI-Native Mortgage Processing
FutureSight
Canada
- Full-time
…5,000 lending institutions, an estimated $3.25B in addressable software spend at Closeline's pricing. Brokers and mid-market IMBs alone originate about 5.3 million loans a year,…
Added 7 days ago
F
Co-Founder & CEO - AI-Native Mortgage Processing
FutureSight
Canada
- Full-time
…5,000 lending institutions, an estimated $3.25B in addressable software spend at Closeline's pricing. Brokers and mid-market IMBs alone originate about 5.3 million loans a year,…
Added 7 days ago
F
Technical Co-founder
FutureSight
Canada
- Full-time
FutureSight is a leading venture builder that co-creates world-class software companies with values-driven entrepreneurs from inception to exit. We are a team of founders, operators and…
Added 7 days ago
F
Co-Founder & CEO - Supply Chain Tech | AI Returns Recovery
FutureSight
Canada
- Full-time
FutureSight is a leading venture builder that co-creates world-class software companies with values-driven entrepreneurs from inception to exit. We are a team of founders, operators and…
Added 7 days ago
F
Technical Co-founder - AI for Automotive Retail
FutureSight
Canada
- Full-time
Added 7 days ago
TG
Senior Manager, Applications and Engineering
TMX Group
Toronto, ON
- Full-time
Must Have(s)
Added 7 days ago
F
Co-Founder & CEO - AI Retail Planning Autopilot
FutureSight
Canada
- Full-time
FutureSight is a leading venture builder that co-creates world-class software companies with values-driven entrepreneurs from inception to exit. We are a team of founders, operators and…
Added 7 days ago
F
Technical Co-founder
FutureSight
Canada
- Full-time
FutureSight is a leading venture builder that co-creates world-class software companies with values-driven entrepreneurs from inception to exit. We are a team of founders, operators and…
Added 7 days ago
F
Co-Founder & CEO - Supply Chain Tech | AI Returns Recovery
FutureSight
Canada
- Full-time
FutureSight is a leading venture builder that co-creates world-class software companies with values-driven entrepreneurs from inception to exit. We are a team of founders, operators and…
Added 7 days ago
F
Co-Founder & CEO - AI-Native Accounting Firm
FutureSight
Canada
- Full-time
FutureSight is a leading venture builder that co-creates world-class software companies with values-driven entrepreneurs from inception to exit. We are a team of founders, operators and…
Added 7 days ago
F
Co-Founder & CEO - InsurTech | AI-Native Insurance Brokerage
FutureSight
Canada
- Full-time
FutureSight is a leading venture builder that co-creates world-class software companies with values-driven entrepreneurs from inception to exit. We are a team of founders, operators and…
Added 7 days ago
F
Co-Founder & CEO - InsurTech | AI-Native Insurance Brokerage
FutureSight
Canada
- Full-time
FutureSight is a leading venture builder that co-creates world-class software companies with values-driven entrepreneurs from inception to exit. We are a team of founders, operators and…
Added 7 days ago
F
Co-Founder & CEO - AI Retail Planning Autopilot
FutureSight
Canada
- Full-time
FutureSight is a leading venture builder that co-creates world-class software companies with values-driven entrepreneurs from inception to exit. We are a team of founders, operators and…
Added 7 days ago
F
Co-Founder & CEO - AI-Native Accounting Firm
FutureSight
Canada
- Full-time
FutureSight is a leading venture builder that co-creates world-class software companies with values-driven entrepreneurs from inception to exit. We are a team of founders, operators and…
Added 7 days ago
RC
Supervisor, Data Architect
RSM Canada
Toronto, ON
- Full-time
Added 7 days ago
F
Co-Founder & CEO - AI E-commerce Operations System
FutureSight
Canada
- Full-time
Today's e-commerce businesses run on fragmented software and manual coordination. Sellers operating across Amazon, Shopify, eBay, Walmart, and other channels constantly switch between…
Added 7 days ago
F
Co-Founder & CEO - Entrepreneur in Residence
FutureSight
Canada
- Full-time
FutureSight is a leading venture builder that co-creates world-class software companies with values-driven entrepreneurs from inception to exit. We are a team of founders, operators and…
Added 7 days ago
E
Senior Recruiter, GandA Marketing
Elastic
Canada
- Full-time
Demonstrable experience recruiting for a fast-paced company. Maybe it's a software company, start-up, and/or, better yet, even a company where talent isn't knocking down your door

Epsilon Solutions Ltd.

Mainframe Application Support Engineer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Dec 3, 2026
Posting language: English
Posted: Nov 3, 2026

Original job description

Mainframe Application Support Engineer

Toronto Hybrid 4 days a week on site

We are seeking an experienced Mainframe Application Support Engineer to provide production support, incident management, and application maintenance for critical mainframe-based business applications. The ideal candidate will have strong expertise in IBM Mainframe technologies involving IBM z/OS, COBOL, JCL, DB2, VSAM and CICS, troubleshooting production issues, ensuring application stability, and driving continuous service improvements.

The role requires close collaboration with development, infrastructure, business, and operations teams to support mission-critical applications while maintaining agreed service levels.

Key Responsibilities

Production Support & Incident Management

Provide L2/L3 support for mainframe applications in production environments.

Investigate, analyze, and resolve production incidents within SLA timelines.

Perform root cause analysis (RCA) and implement preventive measures.

Support critical business events, release deployments, and production changes.

Application Maintenance

Analyze application failures and identify corrective actions.

Coordinate with development teams for defect fixes and enhancements.

Validate fixes and support deployment activities.

Ensure application availability, reliability, and performance.

Apply on LinkedIn About employer

More about this job

Responsibilities

Provide L2/L3 production support for critical mainframe applications, investigate and resolve incidents within SLA timelines, and perform root cause analysis with preventive measures. Maintain application availability, reliability, and performance while coordinating defect fixes, enhancements, releases, and production changes with development and other teams.

Requirements

The role calls for an experienced mainframe application support engineer with strong expertise in IBM z/OS, COBOL, JCL, DB2, VSAM, and CICS. Candidates should be able to troubleshoot production issues, manage incidents, and collaborate with development, infrastructure, business, and operations teams.

Skills

IBM z/OS
COBOL
JCL
DB2
VSAM
CICS
Mainframe Application Support
Production Support
Incident Management
Troubleshooting
Root Cause Analysis
Application Maintenance
Release Deployments
Production Changes
Performance Monitoring

Visa sponsorship

Not detected in the job text

Keywords

Mainframe
IBM z/OS
COBOL
JCL
DB2
VSAM
CICS
Production Support
L2 Support
L3 Support
Incident Management
Production Incidents
SLA
Root Cause Analysis
Preventive Measures
Application Maintenance
Application Stability
Application Availability
Application Reliability
Application Performance
Defect Fixes
Enhancements
Release Deployments
Production Changes
Mission-Critical Applications
IT Services
IT Consulting

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Work requirements

Jobs in Canada