Production/Application Support Engineer (Level 3/4)

Montreal, QC, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Dec 2, 2026
Experience: 8+ years of Production/Application Support experience.
Posting language: English
Posted: Nov 2, 2026

Original job description

Position: Production/Application Support Engineer (Level 3/4)

Location: Montreal, QC (Hybrid)

Employment Type: Full Time

Experience Required: 10 + Years

Note: The final round of the interview process will be conducted onsite, and candidates must be available to attend an in-person interview.

Role Summary:

We are looking for an experienced Production/Application Support Engineer (L3/L4) to provide advanced support for business-critical applications and infrastructure. The ideal candidate will have strong expertise in Unix/Linux, Python, Perl, IBM DB2, NAS Storage, and Archiving Applications, with proven experience in troubleshooting complex production issues across on-premises and cloud environments.

Required Skills:

Strong experience in Unix/Linux Administration
Proficiency in Python and Perl Scripting
Hands-on experience with IBM DB2 Database Support
Experience with NAS Storage Management
Knowledge of Archiving Applications
Expertise in Production/Application Support (L3/L4)
Strong understanding of Incident, Problem & Change Management
Experience supporting Cloud and On-Prem Infrastructure

Key Responsibilities:

Provide L3/L4 production support for enterprise applications and infrastructure.
Troubleshoot and resolve complex application, database, storage, and operating system issues.
Manage and support Unix/Linux servers and environments.
Develop and maintain automation scripts using Python and Perl.
Monitor, maintain, and optimize IBM DB2 databases.
Support NAS Storage platforms and archiving solutions.
Perform incident, problem, and change management activities.
Conduct root cause analysis (RCA) and implement preventive measures.
Collaborate with development, infrastructure, and cloud teams to ensure system stability and performance.
Participate in on-call support and critical production issue resolution.

Good to have Skills:

8+ years of Production/Application Support experience.
Strong troubleshooting and analytical skills.
Excellent communication and stakeholder management abilities.
Experience in highly available, mission-critical enterprise environments.

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More about this job

Responsibilities

Provide advanced L3/L4 support for enterprise applications and infrastructure, resolving complex issues across operating systems, databases, storage, and cloud or on-premises environments. Maintain Unix/Linux systems, DB2 databases, NAS storage, and archiving solutions; automate tasks, manage incidents and changes, conduct root cause analysis, and support critical production issues.

Requirements

Requires 10 or more years of experience and strong expertise in Unix/Linux administration, Python and Perl scripting, IBM DB2, NAS storage, archiving applications, and L3/L4 production support. Candidates should have experience with incident, problem, and change management across cloud and on-premises infrastructure, along with strong troubleshooting and communication skills; an onsite final interview is required.

Skills

Unix/Linux Administration
Python
Perl
IBM DB2
NAS Storage Management
Archiving Applications
Production/Application Support
Incident Management
Problem Management
Change Management
Cloud Infrastructure
On-Premises Infrastructure
Root Cause Analysis
Troubleshooting
Automation Scripting

Visa sponsorship

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Keywords

Unix/Linux
Python
Perl
IBM DB2
NAS Storage
Archiving Applications
L3/L4 Production Support
Application Support
Incident Management
Problem Management
Change Management
Cloud Infrastructure
On-Premises Infrastructure
Root Cause Analysis
Automation
Enterprise Applications
Database Support
Storage Management
On-Call Support
High Availability
Mission-Critical Environments
Stakeholder Management

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