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Added 1 month ago
GD
Co-op Winter 2027 - Software Developer - 8 Months
General Dynamics Missions System International
Ottawa, ON
- Internship
The Applications team for the Land C5ISR Program is looking for a Co-op Software Engineer to join our team. We develop and integrate various software products that enable the Canadian Army…
Added 1 month ago
S
Senior Software Engineer, Frontend
Sardine
Remote, Canada
- $160,000 to $210,000 CAD / year
- Full-time
- Remote
As a frontend-focused Senior Software Engineer, you will own the design and delivery of the user-facing experiences at the heart of our AI products. Your primary focus is building polished,…
Added 1 month ago
4E
Technical Lead
407 ETR
Woodbridge, ON
- Full-time
407 ETR is seeking a highly skilled and hands-on Sr. Software Engineer to support the design, development, and modernization of the Strata platform, a mission-critical revenue generation…
Added 1 month ago
GM
Staff Engineer, Site Reliability Engineering
General Motors
Markham, ON
- Full-time
We are seeking a Staff Engineer to help make GM’s data platforms reliable, observable, operable, and scalable. This is a senior technical leadership role for someone who can move…
Added 1 month ago
E
Sr. Software Engineer, Backend/GraphQL
eBay
Toronto, ON
- Full-time
Lead the design and implementation of federated GraphQL solutions using Node.js, Spring Boot, and DGS to improve how teams build and integrate APIs across eBay’s ecosystem.
Added 1 month ago
LC
Software Development Manager
Lightspeed Commerce, Inc.
Remote, Canada
- Full-time
- Remote
Directly and indirectly managing a team through collaboration with, and mentorship of a Technical Lead Staff Engineer
Added 1 month ago
B
Senior Site Reliability Engineer I
Braze
Toronto, ON
- Full-time
Lead NGINX & Kubernetes Ingress Infrastructure
Added 1 month ago
B
Senior Site Reliability Engineer I
Braze
Vancouver, BC
- Full-time
Lead NGINX & Kubernetes Ingress Infrastructure
Added 1 month ago
LC
Software Development Manager
Lightspeed Commerce, Inc.
Remote, Canada
- Full-time
- Remote
Directly and indirectly managing a team through collaboration with, and mentorship of a Technical Lead Staff Engineer
Added 1 month ago
LC
Software Development Manager
Lightspeed Commerce, Inc.
Remote, Canada
- Full-time
- Remote
Directly and indirectly managing a team through collaboration with, and mentorship of a Technical Lead Staff Engineer
Added 1 month ago
LC
Software Development Manager
Lightspeed Commerce, Inc.
Remote, Canada
- Full-time
- Remote
Directly and indirectly managing a team through collaboration with, and mentorship of a Technical Lead Staff Engineer
Added 1 month ago
RA
Senior Software Engineer, Cloud Platform
Rivian and Volkswagen Group Technologies
Remote, Canada
- $108,200 to $143,430 CAD / year
- Full-time
- Remote
Lead infrastructure automation and deployment workflows using Kubernetes, ArgoCD, and Infrastructure as Code tools (e.g., Crossplane or Terraform) across development, staging, and…
Added 1 month ago
Consultant - Modernisation des applications | Consultant - Application Modernization, AWS Professional Services
Amazon
Montreal, QC
…closely with customers to design, develop, implement and re-engineer applications to fully leverage the AWS Cloud, including GenAI-accelerated modernization techniques. You'll be a key…
Added 1 month ago
Consultant senior - Modernisation des applications | Sr. Consultant - Application Modernization, AWS Professional Services
Amazon
Montreal, QC
…closely with customers to design, develop, implement and re-engineer applications to fully leverage the AWS Cloud, including GenAI-accelerated modernization techniques. You'll be a key…
Added 1 month ago
C
Senior Java Developer
CGI
Toronto, ON
- Full-time
…still growing! Join Canada's largest IT Company as a Senior Java Developer, in our Financial Services Sector in Toronto. Come build High Value Payments with us! We are looking for a Senior…
Added 1 month ago
VH
Software Engineer, Technical Lead
Verily Health
Toronto, ON
- Full-time
…organizations to govern and analyze their data. As the Technical Lead for the User and Accounts Management Team, you will shape and deliver the access and control layers of Workbench -…
Added 1 month ago
VH
Software Engineer, Technical Lead
Verily Health
Waterloo, ON
- Full-time
…organizations to govern and analyze their data. As the Technical Lead for the User and Accounts Management Team, you will shape and deliver the access and control layers of Workbench -…
Added 1 month ago
Senior Software Test Engineer
Coursera Sourcing
Toronto, ON
As a Senior Software Test Engineer (Test Infrastructure and Tooling) at Coursera, you’ll play a key role in helping teams produce high-quality software for millions of learners across the…
Added 1 month ago
V
Technical Support Engineer
VGS
Canada
- Full-time
…client-facing teams about and make sure the notice goes out with enough lead time for customers to…
Added 1 month ago
A
Full Stack Engineer
AltConvey
Montreal, QC
- Full-time
As Tech Lead, you'll partner directly with our CTO to architect, build, and scale transformative web applications in a fast-paced, innovative environment. Your role will empower you to:
Added 1 month ago
Z
Lead React Native Engineer - Canada
Zazz
Vaughan, ON · Woodbridge South, Ontario
- Full-time
Role summary. Lead engineer on the delivery team. Owns the highest-complexity screens and integrations.
Added 1 month ago
K
Senior Staff Software Engineer
Kaseya
Toronto, ON
- Full-time
Senior Staff Software Engineer (Java, Distributed Systems & SaaS Platforms)
Added 1 month ago
A
Principal Software Developer
Autodesk
Toronto, ON · AMER - Canada - Ontario - Toronto - University Ave
- Full-time
We are looking for a Principal Engineer to own and deliver complex modules within our Search Infrastructure within Autodesk Platform Services. You will work with system architects, Sr…
Added 1 month ago
C
Quality Engineer (EPMT - US)
CGI
Toronto, ON
- Full-time
Assist Test Lead in the delivery of test estimations, planning activities in adherence to standards for system testing
Added 1 month ago
C
L3 Application Support Engineer
CGI
Toronto, ON
- Full-time
The Level 3 Application Support Engineer provides senior level production support for mission critical faster payment and bill payment platforms. This role leads complex incident…

CGI

L3 Application Support Engineer

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Posting language: English
Posted: Aug 24, 2026

Original job description

Position Description

This role is hybrid and 4days/week in Toronto downtown office.

The Level 3 Application Support Engineer provides senior level production support for mission critical faster payment and bill payment platforms. This role leads complex incident resolution, performs root cause analysis, and works closely with business, engineering, infrastructure, database, network, Firewall and vendor teams to maintain application stability, resiliency, and regulatory compliance

Your future duties and responsibilities

Provide technical support for applications supporting faster payments and SaaS based platforms.
Support high volume payment operations with an emphasis on accuracy, timeliness, and risk controls.
Investigate payment failures and exceptions, and coordinate remediation with internal and external partners.
Provide clear updates to business stakeholders on incident impact, status, and recovery actions.

Incident, Problem & Risk Management

Act as the L3 escalation point for high severity production incidents.
Troubleshoot production issues for Java applications, including applications that integrate with MQ and Kafka.
Lead root cause analysis and document corrective and preventive actions.
Support incident bridges and deliver concise updates during major outages.
Identify recurring issues and recommend sustainable fixes and process improvements.

Technical Support, Platform Support & Development

Work with vendors and internal IT infrastructure teams on technology currency upgrades.
Perform scheduled support activities, including disaster recovery testing, user attestations, and control remediation.
Partner with vendors, infrastructure teams, and business stakeholders to remediate audit findings and vulnerabilities in alignment with TD security controls and standards.
Support business and operations teams during UAT for vendor and TD internal production releases.
Coordinate digital certificate renewals across all environments.
Document data flows, process flows, network and infrastructure diagrams.
Analyze issues across Oracle databases to validate transactions and support incident resolution.

Monitoring & Observability

Provide high quality application and user support to help ensure global IT systems remain available, reliable, and performant.
Use Dynatrace and Splunk for monitoring, log analysis, and incident investigation.
Review trends and alerts proactively to identify issues before they affect production.
Partner with engineering teams to strengthen monitoring, logging, and alerting capabilities.

Collaboration & Continuous Improvement

Collaborate with development, infrastructure, database, network, security, and vendor teams to resolve complex issues.
Provide knowledge transfer and guidance to L1 and L2 support teams.
Maintain runbooks, procedures, and support documentation.
Participate in post incident reviews and continuous improvement initiatives.

Required Qualifications To Be Successful In This Role

Must Have skills:

Experience in payment operations, risk management, exception handling, and production support.
Understanding of authentication tokens and certificate based authentication.
Strong knowledge of Spring Boot microservices and REST APIs, with hands on experience supporting production issues, deployments, and service reliability.
Working knowledge of Oracle databases for query execution, validation, and issue investigation.
Experience using Copilot and AI enabled tools to improve support analysis, documentation, automation, and operational efficiency.
Proficiency in T SQL development and debugging.
Programming experience in Java or comparable languages.
Experience using Dynatrace and Splunk for monitoring and incident analysis.
Strong analytical and troubleshooting skills in high pressure production environments.
Strong written and verbal communication skills.

Preferred Qualifications

Knowledge of payments, APIs, SaaS based applications, and high volume payment systems.
Experience working in financial services or other regulated environments.
Familiarity with ITIL incident, problem, and change management practices.
Experience supporting mission critical, high availability systems.
CGI is providing a reasonable estimate of the pay range for this role. The determination of this range includes factors such as skill set level, geographic market, experience and training, and licenses and certifications. Compensation decisions depend on the facts and circumstances of each case. A reasonable estimate of the current range is $80,000–$130,000. This role is an existing vacancy.

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

At CGI, we value the strength that diversity brings and are committed to fostering a workplace where everyone belongs. We collaborate with our clients to build more inclusive communities and empower all CGI partners to thrive. As an equal-opportunity employer, being able to perform your best during the recruitment process is important to us. If you require an accommodation, please inform your recruiter.

That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals.

To learn more about accessibility at CGI, contact us via email. Please note that this email is strictly for accessibility requests and cannot be used for application status inquiries.

Come join our team - one of the largest IT and business consulting services firms in the world.

Apply About employer

More about this job

Responsibilities

Provide senior-level production support for mission-critical payment platforms, leading complex incident resolution and root cause analysis. Collaborate with cross-functional teams and vendors to ensure application stability, resiliency, and regulatory compliance.

Requirements

Requires strong experience in payment operations, Java/Spring Boot microservices, and Oracle databases. Proficiency in monitoring tools like Dynatrace and Splunk, along with experience in high-pressure production environments, is essential.

Skills

Payment Operations
Risk Management
Spring Boot
Microservices
REST APIs
Oracle Database
T SQL
Java
Dynatrace
Splunk
Kafka
MQ
Incident Management
Root Cause Analysis
SaaS
Copilot

Visa sponsorship

Not detected in the job text

Keywords

Faster Payments
Bill Payment
SaaS
Java
Spring Boot
REST APIs
Oracle
T SQL
Kafka
MQ
Dynatrace
Splunk
Copilot
AI Tools
ITIL
Incident Management
Problem Management
Change Management
Root Cause Analysis
UAT
Disaster Recovery
Digital Certificates
Financial Services
Microservices
Production Support
Risk Controls
Authentication Tokens
Security Controls
Vulnerability Remediation
Application Stability

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