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L3 Linux Administrator – WebSphere & Ansible

  • Toronto, ON, Canada

Full-time

This opening has closed.

The original listing is kept below for reference.

Job details

Job type
Full-time
Closing date
Experience
💼 Experience: 8–10 Years
Posting language
English
Posted

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Original job description

Archived listing. The details below describe a past opening.

🚨 We're Hiring: L3 Linux Administrator – WebSphere & Ansible

📍 Location: Toronto, ON

🏢 Work Model: Hybrid – 2 days/week in person at the Toronto office preferred

💼 Experience: 8–10 Years

🔧 Level: L3

🌐 Domain: Digital / Infrastructure

🔹 About the Role

We are looking for an experienced L3 Linux Administrator with strong expertise in Red Hat Linux, IBM WebSphere Application Server (WAS), Ansible Automation, and Configuration as Code (CaC).

The ideal candidate will have hands-on experience supporting mission-critical production environments, enterprise middleware platforms, infrastructure automation, and large-scale IT environments.

🔹 Key Responsibilities

• Administer and support RHEL servers across Production, DR, and Non-Production environments.

  • Perform OS installation, patching, upgrades, security hardening, and performance tuning.
  • Troubleshoot Linux, storage, filesystem, networking, and security issues.

• Install, configure, administer, and support IBM WebSphere Application Server (WAS/WAS ND).

  • Manage application deployments, clustering, node synchronization, and JVM tuning.

• Support IBM HTTP Server (IHS), plugin configurations, SSL certificates, and middleware integrations.

  • Perform root cause analysis and troubleshoot WebSphere production incidents.

• Develop and maintain Ansible Playbooks, Roles, and automation frameworks.

• Implement Configuration as Code (CaC) practices to standardize environments.

  • Automate server provisioning, patching, middleware deployments, compliance checks, and configuration management.
  • Use Git-based workflows to maintain configuration consistency across environments.
  • Collaborate with development, infrastructure, SRE, and security teams.
  • Contribute to deployment pipelines, incident response, recovery plans, and infrastructure optimization.

🔹 Must-Have Skills

✅ Red Hat Linux Administration (RHEL)

Advanced troubleshooting, performance tuning, security hardening, and production support.

✅ IBM WebSphere Application Server (WAS/WAS ND)

Installation, administration, clustering, deployment, and middleware troubleshooting.

✅ Ansible & Configuration as Code (CaC)

Automation, configuration management, playbook development, and infrastructure standardization.

🔹 Good to Have

  • Git / GitHub
  • Jenkins & CI/CD
  • ServiceNow / ITSM
  • Monitoring & Observability Tools

🎯 If you have strong L3 production support experience across Linux, WebSphere, and Ansible, we'd love to hear from you!

📩 Interested? Apply now or share your profile with us.

More about this job

Responsibilities

Administer and support RHEL servers and IBM WebSphere environments, including installation, patching, deployments, clustering, performance tuning, and production incident troubleshooting. Develop Ansible automation and Configuration as Code practices for provisioning, patching, compliance, and consistent infrastructure management.

Requirements

The role requires 8–10 years of experience and advanced hands-on expertise in Red Hat Linux administration, IBM WebSphere Application Server, and Ansible automation. Experience supporting mission-critical production environments and developing Configuration as Code practices is expected.

Skills

  • Red Hat Linux Administration
  • RHEL Troubleshooting
  • Performance Tuning
  • Security Hardening
  • IBM WebSphere Application Server
  • WebSphere Network Deployment
  • Ansible
  • Configuration as Code
  • Playbook Development
  • IBM HTTP Server
  • Middleware Administration
  • Application Deployment
  • JVM Tuning
  • Git
  • Production Support
  • Incident Response

Visa sponsorship

Not detected in the job text

Categories

  • Technology
  • Software
  • Engineering

Keywords

  • Red Hat Enterprise Linux
  • RHEL
  • IBM WebSphere Application Server
  • WebSphere Network Deployment
  • Ansible
  • Configuration as Code
  • IBM HTTP Server
  • Git
  • GitHub
  • Jenkins
  • CI/CD
  • ServiceNow
  • ITSM
  • Linux Administration
  • Server Provisioning
  • Operating System Patching
  • Security Hardening
  • Performance Tuning
  • Middleware
  • Application Deployment
  • Clustering
  • Node Synchronization
  • JVM Tuning
  • SSL Certificates
  • Production Support
  • Disaster Recovery
  • Incident Response
  • Root Cause Analysis
  • Monitoring
  • Observability

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