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Senior Application Support Engineer Jobs in Toronto, ON

Scotiabank

Senior Application Developer

Toronto, ON · On-site

The position is for a Senior Application Developer within the Group Treasury-Liquidity Risk group ... The incumbent is responsible for supporting multiple projects, partially application support, as ...

Novo Nordisk

Senior Application Developer

Mississauga, ON

CA$99K - CA$149K/yr

Sr. Application Developer Information Technology, F&O Department Canada Shape the data architecture ... Adapting and enhancing the existing data warehouse and ETL processes to support evolving analytical ...

New

Air-tek

Application Support Analyst

Toronto, ON

CA$60K - CA$90K/yr

We are seeking an experienced Senior Application Support Analyst with strong customer-facing ... Collaborate with developers, product managers, and other teams in an agile environment to deliver ...

CAAT Pension Plan

Application Support Analyst

Toronto, ON · On-site

CA$73K - CA$86K/yr

Reporting to the Senior Manager, Enterprise Applications & Service Delivery the Application Support ... Experience with scripting or programming languages (e.g., Python, PowerShell, SQL) to support ...

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Senior Application Support Engineer information

What does a senior application support engineer do?

A Senior Application Support Engineer is responsible for maintaining and troubleshooting complex software applications to ensure their optimal performance and availability. They act as a technical expert, diagnosing and resolving incidents, managing escalations, and collaborating with development teams to address root causes of issues. Additionally, they may provide guidance to junior team members, implement process improvements, and communicate with stakeholders about system health and updates. Their role is crucial in minimizing downtime and ensuring a smooth user experience.

What are the key skills and qualifications needed to thrive as a senior application support engineer?

To thrive as a Senior Application Support Engineer, you need strong problem-solving abilities, deep knowledge of software applications, and experience with programming or scripting languages, usually supported by a degree in computer science or a related field. Familiarity with ticketing systems, monitoring tools, databases, and certifications like ITIL or Microsoft Certified: Azure Administrator are commonly required. Excellent communication, patience, and a customer-focused mindset help you stand out when resolving complex technical issues and collaborating with cross-functional teams. These skills ensure efficient resolution of incidents, high system reliability, and superior service delivery for end users.

How does a senior application support engineer typically collaborate with development and infrastructure teams to resolve complex technical issues?

As a Senior Application Support Engineer, you will frequently act as a bridge between the development and infrastructure teams when addressing complex technical issues. This involves troubleshooting application incidents, gathering detailed logs, and clearly communicating findings to developers for code-related fixes or to infrastructure teams for environment-related problems. You may participate in regular meetings, joint problem-solving sessions, and post-incident reviews to ensure seamless knowledge transfer and continuous improvement. Effective collaboration and clear communication are essential for minimizing downtime and delivering robust solutions.

What is the difference between Senior Application Support Engineer vs Application Support Engineer?

AspectSenior Application Support EngineerApplication Support Engineer
Required CredentialsBachelor's degree, certifications like ITIL, relevant experienceBachelor's degree, entry-level certifications often sufficient
Work EnvironmentCorporate IT teams, tech companies, financial institutionsSupport centers, IT departments, software vendors
Employer & Industry UsageUsed across industries requiring complex application supportCommon in software, tech, and enterprise environments
Search & Comparison IntentUnderstanding senior roles, career progressionEntry-level support roles, skill development

The Senior Application Support Engineer typically has more experience, advanced certifications, and handles complex issues, often mentoring junior staff. Application Support Engineers focus on day-to-day support tasks, troubleshooting, and maintaining applications. The senior role involves leadership and strategic responsibilities, while the entry-level role emphasizes technical support and learning.

What are the most commonly searched types of Application Support Engineer jobs in Toronto, ON?

The most popular types of Application Support Engineer jobs in Toronto, ON are:

What are popular job titles related to Senior Application Support Engineer jobs in Toronto, ON?

For Senior Application Support Engineer jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Senior Application Support Engineer jobs in Toronto, ON look for?

The top searched job categories for Senior Application Support Engineer jobs in Toronto, ON are:

What cities near Toronto, ON are hiring for Senior Application Support Engineer jobs?

Cities near Toronto, ON with the most Senior Application Support Engineer job openings:

Senior Application Support Engineer jobs near you
Infographic showing various Senior Application Support Engineer job openings in Toronto, ON as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 19% Part Time, and 5% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution.

Senior Application Support Engineer (Remote Ontario)

Smile Digital Health

Toronto, ON • On-site, Remote

CA$85K - CA$110K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 9 days ago

Job description

Working for a company like Smile Digital Health means supporting our mandate for #BetterGlobalHealth. We strive towards this goal every day, and the results can be seen in the impact of our innovative health data platform and data management solutions, which are used in over 20 countries. We were #19 on Deloitte's Technology Fast 50 Ranking for 2024! 
 
Smile Digital Health makes it easy for healthcare stakeholders to collect and exchange data with our leading FHIR-based data liberation platform.
 
At its heart, the Smile platform enables people and organizations to better manage healthcare data. We help generate and liberate structured healthcare data to ensure effective delivery across care teams and health systems bringing  #BetterGlobalHealth to patients everyday!

Apply today and find plenty of reasons to SMILE!

The Senior Application Support Developer is responsible for troubleshooting incoming support tickets, maintaining and developing software and tools to support the implementation project, and handling bug fixes and enhancements to the existing implementation. This may include working on cloud infrastructure, Helm charts, Azure pipelines, Java source code, configuration files, etc. 

This position works closely with the client as well as our internal development and QA teams to support the product.  This position will include on-call rotation for Tier 2 issue support.

Responsibilities:
  • Provide advanced technical support by partnering with Tier 1 and Tier 2 Service Desk teams to diagnose, troubleshoot, and resolve complex customer incidents, participating in major incident response and root cause analysis as needed.
  • Analyze business, product, and customer requirements to design scalable, maintainable, high-performing, and interoperable technical solutions while ensuring alignment with architectural standards and best practices.
  • Collaborate cross-functionally with Product, Engineering, Support, and other stakeholders to design, develop, test, implement, and support enhancements and defect fixes.
  • Lead technical decision-making by evaluating emerging technologies, recommending improvements to tools, frameworks, coding standards, and software development practices, and driving continuous improvement initiatives.
  • Provide technical leadership and mentorship to developers and Tier 1/Tier 2 support teams by sharing best practices, troubleshooting techniques, debugging strategies, performance optimization, and operational procedures.
  • Break down technical work, provide guidance on implementation approaches, and serve as the primary technical escalation point for project issues, delivery status, and complex production challenges.
  • Maintain and enhance development frameworks, technical documentation, and operational procedures to ensure knowledge sharing and long-term maintainability.
  • Ensure all delivered solutions meet security, privacy, quality, performance, and architectural standards while complying with organizational policies and industry best practices.
  • Coach and mentor junior developers and co-op students through code reviews, technical guidance, and career development.
  • Participate in an on-call production support rotation and provide after-hours support for critical production incidents, ensuring timely resolution and minimal customer impact.
  • Demonstrate strong analytical and problem-solving skills with the ability to identify root causes, evaluate alternatives, and implement effective technical solutions.
  • Hold all confidential information in trust and strict confidence and ensure that it shall be used only for the purposes required to fulfill employment obligations, and shall not be used for any other purpose, or disclosed to any third party.  A breach of policy or misuse of information could result in disciplinary action up to and including termination of employment.
Requirements:
  • Post-secondary education in Computer Science, Engineering, Mathematics, or a related field, and/ or equivalent working experience.
  • 8+ years of experience with Software Development in Java.
  • Experience with developing software applications, unit and functional test practices.
  • Experience in end-to-end feature development.
  • Experience building complex systems.
  • Experience in HL7 (V2, FHIR) is highly preferred.
  • Experience with Hibernate, Spring, REST web services, Git is an asset.
  • Experience working in a support/troubleshooting role is an asset.
  • Preference to candidates based in Ontario.
$85,000 - $110,000 a year
Smile discloses that artificial intelligence (AI) may be used in portions of the recruitment and selection process, such as resume screening or application assessment. All hiring decisions are ultimately made by qualified human decision-makers, and AI tools are used to support - not replace - fair and equitable hiring practices.
 
This position is a new role, created to support Smile's continued growth and commitment to operational excellence.

Some of the benefits we offer:
* Remote Work Environment
* Flexible Time Away From Work Policy including PTO, Personal and Sick Days
* Competitive Salary and Health/Medical Benefits
* RRSP/TFSA/401K Employee Contribution
* Life and Disability
* Employee Assistance Program
* FHIR Study Program and Skillsoft Learning
* Super HAPI Fun Club

Smile's core values include respect, inclusion, embracing our differences, and celebrating shared values because our people are the foundation of our success. We are big on creating a sense of belonging and empowering each other to bring our authentic selves to work.  We are dedicated to fostering a workplace that values diversity, equity, and inclusion.
 
We welcome and encourage candidates of all backgrounds to apply. Candidates are encouraged to inform us if they wish to discuss or require accommodations during interviews or while working at Smile.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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