Sr. Mainframe Application Engineer, TD Securities

Work Location:

Toronto, Ontario, Canada

Hours:

37.5

Line of Business:

Technology Solutions

Pay Details:

$105,100 - $129,400 CADThis 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. Growth opportunities and skill development are defining features of the colleague experience at TD. 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. The base pay actually offered may vary based upon the candidate's skills and experience, job-related knowledge, geographic location, and other specific business and organizational needs.

As a candidate, you are encouraged to ask compensation related questions and have an open dialogue with your recruiter who can provide you more specific details for this role.

Job Description:

Department Overview

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.

Job Description : 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.
 

Responsibilities:

• 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 strong 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 position carries responsibility not only for solution delivery, but also for application stability in production.

• You will participate in production support activities, incident investigation, and scheduled on‑call rotations for mission‑critical payment systems, ensuring timely resolution of issues and minimal business impact.

• 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.

What Can You Bring to TD?

Your experience matters as much as your credentials. We are looking for a candidate who brings the following:

• 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.

• Excellent analytical, problem‑solving, and troubleshooting skills, particularly in time‑sensitive production scenarios.

• Knowledge of Wire payments, SWIFT MT messages, SWIFT ISO MX messages are an asset.

Additional Information:

Join in on what others in TD Global Technology Solutions are doing:

• Inspire a positive work environment and help champion quality, innovation, teamwork and service to the business.

• Learn voraciously, stretch your thinking, share your knowledge and educate others.

• Communicate and collaborate with both technical and non-technical professionals.

• Cultivate winning relationships by building trust with business and technology partners.

• Share our commitment to productivity, effectiveness and operational efficiency.

#LI-Tech

Who We Are:

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 strive to make every interaction, product and experience remarkably human and refreshingly simple.  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. In 2023, we acquired Cowen Inc., offering our clients access to a premier U.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
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. Learn more

Additional Information:
We’re delighted that you’re considering building a career with TD. Through regular development conversations, training programs, and a competitive benefits plan, we’re committed to providing the support our colleagues need to thrive both at work and at home.

Please be advised that this job opportunity is subject to provincial regulation for employment purposes. It is imperative to acknowledge that each province or territory within the jurisdiction of Canada may have its own set of regulations, requirements.

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.  

We're committed to your success and foster a respectful workplace where diverse perspectives are valued, everyone has fair opportunities to grow, and you can unlock your full potential to achieve your career goals. 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.

Interview Process 
We’ll reach out to candidates of interest to schedule an interview. We do our best to communicate outcomes to all applicants by email or phone call.

Accommodation
Your accessibility is important to us. 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.

We look forward to hearing from you!

Language Requirement (Quebec only):

Sans Objet