Technology Solutions Pay Details: $105,100 - $129,400 CAD This role is eligible for a discretionary variable compensation award that considers business and individual performance. TD is committed to providing fair and equitable compensation opportunities to all colleagues. Our compensation policies and practices have been designed to allow colleagues to progress through the salary range over time as they progress in their role.

TD Securities offers a wide range of capital markets products and services to corporate, government, and institutional clients who choose us for our innovation, execution, and experience. With more than 6,500 professionals operating out of 40 cities across the globe, we help clients meet their needs today and prepare for tomorrow. Our services include underwriting and distributing new issues, providing trusted advice and industry-leading insight, extending access to global markets, and delivering integrated transaction banking solutions.

We are growth-oriented, people-focused, and community-minded. Develops and maintains technical solutions that adhere to engineering and architectural design principles while meeting business requirements. Provides technical expertise with a focus on efficiency, reliability, scalability, and security; includes planning, evaluating, recommending, designing, operationalizing, and supporting solutions in compliance with enterprise and industry standards.

Senior Mainframe Application Engineer About This

Role TD Securities’ Payments Workflow Technology team is seeking a Senior Mainframe Application Engineer to design, develop, deliver, and support solutions aligned with the firm’s technology strategy. The team is responsible for delivering technology solutions across the Payments distributed workflow, spanning both mainframe and distributed application components. In this role, you will contribute to the creation of end‑to‑end technical solutions, with accountability for detailed technical design, development, delivery, and ongoing production support of complex payment systems.

You will work on large‑scale, high‑complexity, and enterprise‑wide initiatives, taking ownership of sophisticated programming and coding activities across online and batch mainframe applications. We are looking for a seasoned engineer with a robust technical toolkit and a hands‑on mindset, capable of developing and maintaining robust solutions that adhere to engineering best practices and architectural standards, while meeting business, regulatory, and operational requirements. You will provide deep technical expertise with a focus on efficiency, reliability, scalability, security, and operational resilience, supporting applications throughout their full lifecycle — from planning and design through implementation, production support, and continuous improvement.

You will participate in the development of test strategies, test plans, and test cases, and contribute hands‑on to testing efforts, including unit testing and integration testing, while supporting higher‑level testing phases such as SIT , BAT and PAT. Provide technical support to business and testing teams throughout testing phases, including clarifying design intent, troubleshooting issues, and validating results. Actively participate in defect management, including defect tracking, triage, root cause analysis,



and timely resolution in collaboration with cross‑functional teams.

This role can adapt to Agile delivery practices, with strong working knowledge of Spring and related frameworks. At TD, you will be inspired by meaningful work, challenging problems, and a collaborative environment that values technical excellence, accountability, and ownership. Graduate/Undergraduate Degree in Technology.

Must have strong skills and 5+ yrs working experience in mainframe MVS, TSO, COBOL, JCL, Mainframe utilities, Endevor, CA-7, MQ and databases such as DB2 and IMS DB/DC. Extensive hands‑on experience with mainframe application development, including both online and batch processing in a production environment.

Experience providing application production support, including incident analysis, root cause investigation, defect resolution, and participation in on‑call support rotations for critical systems. Advanced understanding of business processes, technical environments, standards, controls, and operating procedures, with the ability to apply this knowledge to both development and production support scenarios. Demonstrated readiness to operate as a senior or lead developer and trusted subject matter expert, independently addressing and resolving highly complex and multifaceted technical issues across development and production.

Recognized subject matter expertise in at least one technical discipline, with experience advising clients, partners, and project teams on research, analysis, solution design, development, testing, deployment, and production support. Proven ability to lead complex technical initiatives, contribute to comprehensive project planning, and assess risks related to system changes, production stability, and third‑party integrations. Strong coaching and mentoring skills, with the ability to guide junior developers and collaborate effectively with cross‑functional teams.

High standards for quality, reliability, operational stability, and accountability in delivered solutions. Knowledge of Wire payments, SWIFT MT messages, SWIFT ISO MX messages are an asset. Inspire a positive work environment and help champion quality, innovation, teamwork and service to the business.

Communicate and collaborate with both technical and non-technical professionals. Cultivate winning relationships by building trust with business and technology partners. TD Securities offers a wide range of capital markets products and services to corporate, government, and institutional clients who choose us for our innovation, execution, and experience.

Our services include underwriting and distributing new issues, providing trusted advice and industry-leading insight, extending access to global markets, and delivering integrated transaction banking solutions. S. equities business and highly‑diverse equity research franchise, while growing our strong, diversified investment bank. Together,



we are reimagining what banking can be for our clients, colleagues and communities.

Our Total

Rewards package reflects the investments we make in our colleagues to help them and their families achieve their financial, physical, and mental well‑being goals.

Total

Rewards at TD includes a base salary, variable compensation, and several other key plans such as health and well‑being benefits, savings and retirement programs, paid time off, banking benefits and discounts, career development, and reward and recognition programs. We’re delighted that you’re considering building a career with TD. Through regular development conversations, training programs, and a competitive perks plan, we’re committed to providing the support our colleagues need to thrive both at work and at home.

Colleague Development

If you’re interested in a specific career path or are looking to build certain skills, we want to help you succeed. You’ll have regular career, development, and performance conversations with your manager, as well as access to an online learning platform and a variety of mentoring programs to help you unlock future opportunities. If you’re passionate about helping clients and building deep, lasting relationships, TD offers diverse career paths where you can grow your expertise and make a meaningful impact.

Here at TD, we hire and develop the best. Training & Onboarding We will provide training and onboarding sessions to ensure that you’ve got everything you need to succeed in your new role. We do our best to communicate outcomes to all applicants by email or phone call.

Please let us know if you’d like accommodations (including accessible meeting rooms, captioning for virtual interviews, etc.) to help us remove barriers so that you can participate throughout the interview process.

Language

Requirement (Quebec only) At TD we’re guided by our purpose to enrich the lives of our customers, communities and colleagues, and share a set of values that shape our culture and guide our behavior. In exchange for how our colleagues show up to help TD succeed, we are committed to delivering a colleague experience grounded in Impact, Growth and a Culture of Care. No matter where you work across TD, we empower you to make an impact at work and in your community, explore and grow your career and be part of our caring and inclusive culture.

Our Commitment to Diversity, Equity, and Inclusion At TD, we’re committed to fostering an environment where all colleagues are encouraged to bring their authentic selves to work, experience equitable opportunities, and feel respected and supported. We’re dedicated to building an inclusive workforce that reflects the diversity of the customers and the communities in which we live and serve. Helping to Make an Impact in Communities – TD Ready Commitment TD has a long‑standing commitment to help drive progress towards a more inclusive and sustainable future.

Under the TD Ready Commitment, we are targeting a total of C$1 billion by 2030 in community giving across four key, interconnected drivers of change: Financial Security, Vibrant Planet, Connected Communities, and Better Health. It’s our goal to help support change, nurture progress, and contribute to making the world a better, more inclusive place for our customers, colleagues, and communities.

📌 Sr. Mainframe Application Engineer, TD Securities (Toronto)
🏢 The Toronto-Dominion Bank (Canada)
📍 Toronto