Application Support

Global Technical Talent; Toronto; Hybrid; CAD 100,000 - 125,000; Full time

Job summary

A leading staffing firm is seeking an Application Support professional to manage Level 3 production support across multiple applications. The ideal candidate will have 5+ years of experience in application support, expertise in Java/J2EE platforms, and strong troubleshooting skills. This role requires working closely with infrastructure teams to ensure the availability and performance of mission-critical systems. The position is hybrid, based in Toronto, with a pay rate of C$45 – C$55/hour.

Qualifications

• 5+ years in application or production support roles.
• Hands-on experience supporting Java/J2EE applications.
• Strong troubleshooting experience with middleware and web application servers.

Responsibilities

• Provide L3 functional and production support for ~18–20 applications.
• Collaborate with infrastructure teams while managing overlaps.
• Troubleshoot, resolve, and escalate production incidents within SLAs.

Skills

Application support (Level 3)

Java/J2EE troubleshooting

Incident and problem management

Middleware (JBoss)

Cloud platforms (Azure, VMC, OpenStack)

Job description

Overview

Application Support

Alternate Job Titles: L3 Application Support Analyst, Production Support Engineer, Java Application Support Specialist, Technical Support Analyst – Loyalty & Rewards, Enterprise Application Support Consultant

Location: Toronto, ON (Hybrid/Onsite as per client needs). Onsite Flexibility: Hybrid (details to be confirmed)

Contract Details: Position Type: Contract; Contract Duration: Ongoing (starting 10/01/2025); Pay Rate: C$45 – C$55/hour; Shift/Hours: Standard business hours (with production support coverage as needed)

Job Summary

We are seeking an Application Support professional to join the Loyalty & Rewards team, managing Level 3 production support across multiple applications. This role requires expertise in Java/J2EE platforms, production issue resolution, and working closely with infrastructure teams to ensure availability, stability, and performance of mission-critical systems.

Responsibilities

• Provide L3 functional and production support for ~18–20 applications in the Loyalty & Rewards domain
• Cross-train with client teams and perform validation and cross-checking of system workflows
• Collaborate with infrastructure teams (separate from functional support) while managing overlap areas between infra and functional issues
• Troubleshoot, resolve, and escalate production incidents within SLAs
• Manage application migrations from VMC1 to VMC2 and support workloads already migrated to Azure
• Support JBoss-based Java/J2EE applications and maintain operational stability
• Contribute to knowledge sharing, root cause analysis, and preventative measures for recurring incidents
• Collaborate with business stakeholders, ensuring alignment of production support with business needs

Required Experience

• 5+ years in application or production support roles
• Hands-on experience supporting Java/J2EE applications
• Strong troubleshooting experience with middleware and web application servers (e.g., JBOSS)
• Familiarity with cloud environments (Azure, OpenStack, VMware VMC1/VMC2)

Nice-to-Have Experience

• Loyalty and rewards program support background
• Prior cross-functional collaboration between infra and app teams

Required Skills

Application support (Level 3); Java/J2EE troubleshooting; Incident and problem management; Middleware (JBoss); Cloud platforms (Azure, VMC, OpenStack)

Preferred Skills

Cross-team collaboration; Root cause analysis & reporting; Automation of support tasks

Additional Skills

• Strong communication and stakeholder management
• Ability to work in a high-pressure production support environment
• Proactive approach to issue prevention and continuous improvement

About the Client

A leading global organization providing innovative technology-driven solutions to support loyalty and rewards applications. The client leverages modern platforms and cloud environments to enhance scalability, performance, and customer engagement.

About GTT

GTT is a minority-owned staffing firm and a subsidiary of Chenega Corporation, a Native American-owned company in Alaska. As a Native American-owned, economically disadvantaged corporation, we highly value diverse and inclusive workplaces. Our clients are Fortune 500 banking, insurance, financial services, and technology companies, along with some of the nation’s largest life sciences, biotech, utility, and retail companies across the US and Canada. We look forward to helping you land your next great career opportunity!

Job Number & Hashtags

Job Number: 25-26692

#gttca #gttjobs #LI-GTT #LI-Hybrid