Job#: 3047246 : Mainframe Application Designer (Mech/CADS) 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 large financial-services organization is seeking Mainframe Application Designers to bridge business requirements, systems analysis, solution design, and technical delivery across core deposit and debit-card applications.

Specific Functions of This Role:

- Work closely with business partners to provide current and future state for a variety of business initiatives/LOBs for core banking applications
- Dive deeply into application logic and environments to assess business impacts and identify development changes.
- Work collaboratively through all SDLC stages, with a variety of stakeholder groups to provide context and oversight. Coach junior staff on technical and business concepts.
- Ensuring BMO code standards are maintained by taking part in code, testing and document reviews

Responsibilities

- Work with business partners to define current and future application states.
- Analyze existing application logic and code.
- Assess business and system impacts.
- Determine the application changes required to support new initiatives.
- Produce technical designs, impact assessments, and supporting documentation.
- Translate between business and technical stakeholders.
- Guide developers through implementation.
- Participate in code, testing, and document reviews.
- Provide oversight across all SDLC stages.
- Coach junior staff on technical and business concepts.

Qualifications:

- In-depth knowledge of large core banking processing, and mainframe environments
- 10 - 15+ years of system design, analysis and mainframe programming experience
- Knowledge of assembler, CICS and DB2 are assets
- Extensive mainframe systems analysis or application-design experience.
- Core banking, deposit, payment, or transaction-processing knowledge.
- Ability to read and understand mainframe code.
- Strong current-state and impact-analysis skills.
- Experience creating technical design documentation.




- Business-facing communication experience.
- Ability to explain complex concepts to different audiences.
- Broad, big-picture understanding of integrated systems.
- Strong analytical skills for complex problem solving
- Excellent communications skills with the ability to adapt message/concept to different audiences – both business and technical

Preferred Qualifications

- Assembler, CICS, and DB2.
- COBOL or PL/I.
- Solution architecture.
- Business systems analysis.
- Banking modernization initiatives.
- Experience guiding distributed development teams.

Success profile This individual will combine the thinking of a business analyst, systems analyst, solution designer, and technical architect while remaining grounded in application code and delivery realities.

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 Outstanding 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.

📌 Mainframe Application Designer (Mech/CADS) (Toronto)
🏢 Apex Systems
📍 Toronto