Jobs in Canada

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Added 12 mins ago
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Structural Engineering Graduate
Stantec
Ottawa, ON
- Full-time
An opportunity exists in Stantec's Ottawa, ON office for a highly motivated Junior Structural Engineer - EIT to join our multidisciplinary team. In this role you will be responsible for the…
Added 12 mins ago
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Senior Azure Cloud Platform Engineer – Power BI & Informatica
Recrute Action
Toronto, ON
- Contract
Design, deploy, and maintain Azure cloud infrastructure and data platform services.
Added 12 mins ago
Cybersecurity Analyst, Mining/Mineral Processing
Blue Moon Metals
Toronto, ON
…The successful candidate will work closely with the Lead, IT Infrastructure Engineer and cross-functional stakeholders to implement security controls aligned to NIST CSF 2.0 and IEC 62443,…
Added 13 mins ago
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Assistant Interface Manager
ONxpress
Toronto, ON
- Full-time
The ONxpress Civils Contractor General Partnership, a partnership between FCC Canada Limited and Aecon Infrastructure Management Inc., is a multidisciplinary Civils Joint Venture (CJV) team…
Added 13 mins ago
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Senior Automation Engineer- Agentic AI
Sapphire Stream Technology
Toronto, ON · Greater Toronto Area, Canada
- Full-time
The ideal candidate is a hands-on software engineer with strong Python development skills, practical experience building AI agents, and a solid understanding of validation strategies, test…
Added 13 mins ago
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Sr. Interface Coordinator
ONxpress
Toronto, ON
- Full-time
The ONxpress Civils Contractor General Partnership, a partnership between FCC Canada Limited and Aecon Infrastructure Management Inc., is a multidisciplinary Civils Joint Venture (CJV) team…
Added 27 mins ago
Senior Data Engineer - Vancouver
Capgemini
Vancouver, BC
Data engineers are responsible for building reliable and scalable data infrastructure that enables organizations to derive meaningful insights, make data-driven decisions, and unlock the…
Added 27 mins ago
Senior Data Engineer
Capgemini
Vancouver, BC
Data engineers are responsible for building reliable and scalable data infrastructure that enables organizations to derive meaningful insights, make data-driven decisions, and unlock the…
Added 27 mins ago
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Systems Engineer, Missions
MDA
Richmond, BC
- Full-time
…satellites, Earth and space observation, and space exploration and infrastructure. The global MDA Space team of more than 4,000 + space experts has the knowledge and know-how to turn an…
Added 42 mins ago
Member of Technical Staff (Migrations)
Cockroach Labs
Toronto, ON
…as AI transforms how software is created and operated, the infrastructure behind it has to keep pace. Cockroach Continuum is built to meet this moment, bringing individual databases…
Added 42 mins ago
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Senior Associate Geotechnical Engineer
Onterris
Guelph, ON · Oakville, ON · CAN-ON-Oakville-Upper Middle Rd
- Full-time
As the Senior Associate Geotechnical Engineer, you will be reporting to the Service Line VP.
Added 42 mins ago
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Intermediate Pipeline Engineer
Stantec
Calgary, AB
- Full-time
We are seeking a pipeline engineer to work on both small pipeline projects and as a team member on larger projects under the guidance of a senior engineer/designer. You will participate in…
Added 42 mins ago
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Pipelines Project Manager
Stantec
Calgary, AB
- Full-time
Licensed Professional Engineer or Professional Licensee with APEGA is required
Added 42 mins ago
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Design Verification Engineer with GLS (gate level simulation) / UVM
W3Global
Canada
- Contract
The customer will own the testbench infrastructure.
Added 42 mins ago
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Mainframe Application Support Engineer
Aarorn Technologies Inc
Toronto, ON
- $50 CAD / hour
- Contract
Job Title: Mainframe Application Support Engineer
Added 42 mins ago
TC
Workday Software Engineer
Tata Consultancy Services
Toronto, ON
- $90,000 to $110,000 CAD / year
- Full-time
…clients to transform themselves across the full AI stack, from infrastructure to…
Added 1 hour ago
CI
Senior Azure Cloud Platform Engineer -- KUMDC6125986
Compunnel Inc.
Toronto, ON
- Contract
We are seeking an experienced Senior Azure Cloud Platform Engineer to join our team, focused on designing, deploying, and supporting enterprise-grade Azure data and analytics platforms,…
Added 1 hour ago
CI
Senior Azure Cloud Platform Engineer -- KUMDC6125986
Compunnel Inc.
Toronto, ON
- Contract
We are seeking an experienced Senior Azure Cloud Platform Engineer to join our team, focused on designing, deploying, and supporting enterprise-grade Azure data and analytics platforms,…
Added 1 hour ago
CC
Senior Analytics Engineer
Cactus Club Cafe
Vancouver, BC
- $170,000 to $195,000 CAD / year
- Full-time
An Experienced Analytics Engineer: You have 5+ years in data or analytics engineering, with deep hands-on experience in cloud data platforms (e.g., Snowflake, BigQuery, Databricks).
Added 1 hour ago
ET
Production Support Engineer
Envision Technology Solutions
Mississauga, ON
- Contract
Added 1 hour ago
CC
Senior AI Platform Engineer
Cactus Club Cafe
Vancouver, BC
- $170,000 to $195,000 CAD / year
- Full-time
An Experienced Platform Engineer: You have 6+ years in cloud, platform or DevOps roles, running production systems people rely on. AWS or Google Cloud experience is preferred.
Added 1 hour ago
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Land Development Project Engineer / Designer
EXP
Calgary, AB
- Full-time
Be our next Land Development Project Engineer/Designer!
Added 1 hour ago
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Land Development Design Technologist
EXP
Calgary, AB
- Full-time
Designing various municipal infrastructure components, including water mains, sanitary sewer systems, storm drainage, lot grading, roadways, and stormwater management facilities
Added 1 hour ago
ES
Transmission Line Engineer - Intermediate
ENTRUST Solutions Group
AB · BC · Sault Ste. Marie, ON · Regina, SK · Calgary, AB
- Full-time
We are currently seeking an Intermediate Transmission Line Engineer to join our team in Calgary to support the transmission lines design group. We offer a dynamic work environment with a…
Added 1 hour ago
Junior Engineer - Rail Bridges Montreal
Hatch
Montreal, QC
…of business and technical expertise in mining, energy, and infrastructure, our 10,000 colleagues in 150 countries tirelessly work toward bettering the industries in which we operate. With…

Aarorn Technologies Inc

Mainframe Application Support Engineer

Toronto, ON, Canada

$50 CAD / hour · Contract

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Job details

Pay: $50 CAD / hour
Job type: Contract
Apply by: May 4, 2027
Posting language: English
Posted: Nov 5, 2026

Original job description

Job Title: Mainframe Application Support Engineer

Location: Toronto, ON (4x onsite a week)

Employment Type: Contract

Pay Rate: CAD$50/HR INC

Interview Type: Face 2 Face (Onsite Interview Only)

Job Description

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.

Disclaimer: AI tools may assist in the recruitment process; however, all hiring decisions are made by the recruitment team based on a comprehensive evaluation of candidates.

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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 follow-up. Maintain application availability and performance by coordinating defect fixes, validating changes, and supporting releases and critical business events.

Requirements

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

Skills

IBM z/OS
COBOL
JCL
DB2
VSAM
CICS
Production Support
Incident Management
Troubleshooting
Root Cause Analysis
Application Maintenance
Release Deployment
Defect Resolution
Service Improvement
Performance Management

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
SLA
Root Cause Analysis
Application Maintenance
Troubleshooting
Preventive Measures
Release Deployment
Production Changes
Defect Fixes
Enhancements
Application Availability
Application Reliability
Performance
Service Improvement
Critical Business Applications
IT Services
IT Consulting

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