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Added 1 day ago
Sr. Software Development Engineer in Test, AI/ML
PlayStation Global
Waterloo, ON
We are hiring a Sr Software Engineer in Test specializing in ML/AI quality, including automation for model evaluation, LLM-assisted test generation, and validation of AI-powered workflows.…
Added 1 day ago
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Quality Engineer
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- Contract
Job Description: Title Quality Engineer (QE) SDET AI Chatbot Validation Key Roles Responsibilities Validate chatbot responses for accuracy| relevance| completeness| and consistency. Create…
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Quality Engineer (QE) / SDET – AI Chatbot Validation
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Senior Quality Engineer (Automation Testing)
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Verisk QA Analyst / Automation QA Engineer – Insurance Platforms
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Job Title: Verisk QA Analyst / Automation QA Engineer – Insurance Platforms
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Quality Engineer (QE) SDET
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Toronto, ON
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Quality Engineer (QE) SDET AI Chatbot Validation Key Roles Responsibilities Validate chatbot responses for accuracy| relevance| completeness| and consistency.
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Quality Assurance Engineer Python
Luxoft
Toronto, ON
- Full-time
.- Drive a shift-left approach to software validation, guiding the team to apply automation themselves vs handing to "QA/QE" to automat
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Quality Assurance Engineer Python
Luxoft
Toronto, ON
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.- Drive a shift-left approach to software validation, guiding the team to apply automation themselves vs handing to "QA/QE" to automat
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Mainframe Quality Engineer
Apptoza Inc.
Toronto, ON
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We are seeking an experienced Mainframe Quality Engineer (QE) with a strong background in manual and automation testing of mainframe applications. The ideal candidate will have hands-on…
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Brampton, ON
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Job TitleQuality Engineer (QE) SDET AI Chatbot ValidationKey Roles ResponsibilitiesValidate chatbot responses for accuracy| relevance| completeness| and consistency.Create and execute test…
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Quality Engineer (QE) / SDET – AI Chatbot Validation
Realtek Consulting LLC
Toronto, ON
- Contract
We are looking for an experienced Quality Engineer / SDET with strong test automation skills and hands-on experience validating AI-powered chatbots, LLMs, Generative AI applications, or…
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Mainframe QE
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Toronto, ON
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We are seeking an experienced Mainframe Quality Engineer with strong expertise in manual and automation testing of mainframe applications. Banking or Financial Services domain experience is…
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Quality Engineer Manager, TD Securities
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Added 9 days ago
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Senior Quality Engineer
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We are looking for a Senior Quality Engineer who owns quality, reliability, and performance through strong automation - and who uses AI as a force multiplier, not a substitute for judgment.
Added 11 days ago
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Senior QA Engineer
Luxoft
Toronto, ON
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- Drive a shift-left approach to software validation, guiding the team to apply automation themselves vs handing to "QA/QE" to automate
Added 11 days ago
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Quality Engineer II
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Toronto, ON
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Role objective: Lead a team of approximately 5-6 Quality Engineers while remaining hands-on in automation development, test architecture, estimation, work allocation, and delivery. Ensure…
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Senior Software Engineer
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Added 15 days ago
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Quality Engineer - 6-month contract
OTIP (Ontario Teachers Insurance Plan)
Waterloo, ON
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Reporting to the Senior Manager, DevOps & System Integration, the Quality Engineer is responsible for creating, reviewing, executing, and documenting the tests necessary to ensure that…

Apptoza Inc.

Mainframe Quality Engineer

Toronto, ON, Canada

Contract

Apply About employer

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Job details

Job type: Contract
Apply by: Nov 15, 2026
Experience: 7+ years of experience in Mainframe Quality Engineering or Mainframe Testing.
Posting language: English
Posted: Oct 16, 2026

Original job description

Role: Mainframe Quality Engineer

Location: Toronto, ON - Hybrid

Contract Role

Job Summary

We are seeking an experienced Mainframe Quality Engineer (QE) with a strong background in manual and automation testing of mainframe applications. The ideal candidate will have hands-on experience with COBOL, JCL, CICS, DB2, VSAM, and mainframe testing tools. Experience in the Banking or Financial Services domain is highly preferred.

Key Responsibilities

Design, develop, and execute test plans, test cases, and test scripts for mainframe applications.

Perform functional, integration, system, regression, and end-to-end testing.

Validate batch processing, online transactions, and file processing.

Analyze business and functional requirements to create effective test scenarios.

Execute SQL queries and validate data in DB2 databases.

Test batch jobs using JCL and validate outputs.

Identify, log, track, and verify defects using defect management tools.

Collaborate with Business Analysts, Developers, and stakeholders to resolve issues.

Support User Acceptance Testing (UAT) and production validation.

Participate in Agile ceremonies including sprint planning, daily stand-ups, and retrospectives.

Prepare test execution reports and maintain QA documentation.

Required Skills

7+ years of experience in Mainframe Quality Engineering or Mainframe Testing.

Strong knowledge of:

COBOL

JCL

CICS

DB2

VSAM

TSO/ISPF

Experience testing batch and online mainframe applications.

Hands-on experience with SQL for backend data validation.

Experience with defect tracking tools such as Jira or ALM.

Strong analytical and troubleshooting skills.

Excellent communication and collaboration abilities.

Apply About employer

More about this job

Responsibilities

Design and execute test plans, cases, and scripts for mainframe applications, covering functional, integration, system, regression, and end-to-end testing. Validate batch jobs, online transactions, files, and DB2 data; manage defects; collaborate with stakeholders; support UAT and production validation; and maintain QA reports and documentation.

Requirements

Requires 7+ years of mainframe quality engineering or testing experience, with strong knowledge of COBOL, JCL, CICS, DB2, VSAM, and TSO/ISPF. Candidates should have experience testing batch and online applications, using SQL for backend validation and defect tracking tools such as Jira or ALM, along with strong analytical, troubleshooting, communication, and collaboration skills.

Skills

Mainframe Testing
Quality Engineering
COBOL
JCL
CICS
DB2
VSAM
TSO/ISPF
SQL
Batch Processing
Online Transaction Testing
Test Planning
Defect Tracking
Jira
ALM
Agile

Visa sponsorship

Not detected in the job text

Keywords

Mainframe Quality Engineering
Mainframe Testing
COBOL
JCL
CICS
DB2
VSAM
TSO/ISPF
SQL
Batch Processing
Online Transactions
File Processing
Functional Testing
Integration Testing
System Testing
Regression Testing
End-to-End Testing
Test Plans
Test Cases
Test Scripts
Defect Management
Jira
ALM
User Acceptance Testing
Production Validation
Agile
Banking
Financial Services

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