Job#: 3047242 : CADS/Connex - Lead/Senior Mainframe QE Analyst (CrossCheck) Client: Top 5 Bank

Location: Downtown Toronto, ON

Hybrid/Onsite: Remote with flexibility hybrid

Engagement Type: 6-12 month contract-to-hire

Position Overview A financial-services organization is seeking senior Quality Engineering professionals to lead end-to-end testing across complex debit-card and payment-processing platforms.

Specific Functions of This Role:

- Lead quality engineering assignments independently, with proven abilities to identify issues quickly based on existing experience and knowledge
- Strong E2E capabilities and understanding of energetic, complex technical environments
- Work on complex projects impacting core banking operations, with focus on debit card related projects
- Provide senior level technical analysis and support for E2E project teams

Responsibilities

- Lead quality-engineering assignments independently.
- Design and execute end-to-end tests across integrated payment systems.
- Validate debit-card authorization, transaction routing, clearing, and settlement.
- Test online, batch, host, and network-processing components.
- Identify defects quickly using prior domain and technical knowledge.
- Perform defect analysis and support root-cause investigation.
- Coordinate testing across multiple systems and stakeholder groups.
- Provide senior technical analysis to delivery teams.
- Mentor other quality-engineering professionals.
- Support large payment enhancement and modernization initiatives.

Qualifications:

- In-depth knowledge of mainframe testing tools, network transaction processing, defect management and quality engineering methodologies
- 10 - 15+ years of quality engineering/assurance with senior mainframe quality engineering or testing experience.
- Knowledge of CrossCheck is an asset
- End-to-end payment, debit-card, or transaction-processing testing.
- Experience with complex integrated banking systems.
- Knowledge of mainframe testing and defect-management practices.
- Strong understanding of online transaction processing.




- Ability to analyze mainframe data and architectural flows.
- Leadership or mentoring experience.
- Strong analytical, organizational, and communication skills.
- Strong analytical skills for complex problem solving
- Detail oriented with strong organizational skills

Preferred Qualifications

- Connex, CrossCheck, or comparable payment-switch platforms.
- CICS.
- Card authorization and settlement testing.
- Interac, Mastercard Debit, or Visa Debit.
- Mainframe scripting or automation.
- ISO 8583.
- Experience in a large financial institution.

Success profile The ideal candidate has tested the complete payment lifecycle rather than one isolated component and can lead teams through complex cross-system validation.

EEO Employer

Everforth Apex Systems is an Equal Employment Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law.

Everforth Apex

Systems will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [email protected] or (phone hidden).

Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning.





We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Everforth Apex Benefits Overview:

In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. © 2026 Everforth, Inc. All rights reserved.

Everforth Apex Systems is part of the Commercial Segment of Everforth, Inc.

NYSE: EFOR

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Everforth Apex is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law.

Everforth

Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or (phone hidden). (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Everforth Apex.

📌 Lead/Senior Mainframe QE Analyst (CrossCheck - CADS/Connex) (Toronto)
🏢 Apex Systems
📍 Toronto