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Nityo Infotech

Sr. Linux Infrastructure Engineer

Mississauga, ON, Canada

Full-time

Within 25 km of Milton · About 21.5 km from the city centre

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Job details

Job type: Full-time
Apply by: Nov 19, 2026
Posted: Oct 20, 2026

Original job description

Role: Sr. Linux Infrastructure Engineer

Location: Mississauga, Canada (Hybrid, 3 days WFO)

Type: Fulltime

Job description:

Job Description:

Responsible for OS Upgrades - complex environment Both VM and Physical and various firmware upgrade procedures.
RHEL 7 to 8 OS Inplace upgrade skill must
Should have knowledge about OS Compliance tools and its setup.
Must be able to configure & troubleshoot HBA and NIC load balancing.
OS installation and configuration
UNIX shell scripting & Perl scripting knowledge
Should have exposure on RAC cluster pre-requisite setup.
Should have knowledge on VCS cluster L3 level
Should have knowledge on VXVM / VCS Service group
Should have knowledge about OS Compliance tools and its setup.
Must be able to configure & troubleshoot HBA and NIC load balancing.
Should have Knowledge in Devops tools
Develop and maintain automation using Ansible for:
OS provisioning and configuration
Patch management and compliance enforcement
User management, package installation, and system hardening
Create and manage Ansible playbooks, roles, inventories, and variables
Integrate Ansible with CI/CD and DevOps pipelines where applicable
Have knowledge on preparing RCA
Flexible with shifts and on-call support over the weekends or weekdays according to the schedule
Good customer handling experience and good communication skills

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More about this job

Responsibilities

Perform Linux operating system upgrades, installations, configuration, and firmware upgrades across virtual and physical environments, while managing compliance and troubleshooting HBA, NIC, and cluster configurations. Develop and maintain Ansible automation for provisioning, patching, compliance, user and package management, and system hardening; prepare root cause analyses and provide scheduled on-call support.

Requirements

Requires hands-on expertise with RHEL 7-to-8 in-place upgrades, Linux/UNIX administration, shell and Perl scripting, OS compliance, HBA and NIC load balancing, and VCS/VXVM clustering. Ansible automation experience and familiarity with DevOps tools and RAC cluster prerequisites are expected, along with strong customer handling and communication skills and flexibility for scheduled on-call shifts.

Skills

RHEL Upgrades
Linux Infrastructure
Operating System Installation And Configuration
Firmware Upgrades
OS Compliance
HBA Configuration And Troubleshooting
NIC Load Balancing
UNIX Shell Scripting
Perl Scripting
RAC Cluster Prerequisites
VCS Clustering
VXVM
Ansible
Automation
Patch Management
Root Cause Analysis

Visa sponsorship

Not detected in the job text

Keywords

Linux
RHEL 7
RHEL 8
Operating System Upgrades
Virtual Machines
Physical Servers
Firmware Upgrades
OS Compliance Tools
HBA
NIC Load Balancing
UNIX Shell Scripting
Perl
RAC Cluster
VCS Cluster
VXVM
VCS Service Groups
DevOps
Ansible
Ansible Playbooks
Ansible Roles
Inventories
CI/CD Pipelines
OS Provisioning
Patch Management
System Hardening
User Management
Package Installation
Root Cause Analysis
On-Call Support
Customer Handling

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