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Linux Systems Administrator Jobs in Ontario (NOW HIRING)

Moneris

Systems Administrator III (Linux)

Toronto, ON · Hybrid

CA$85K - CA$113K/yr

Systems Administrator III (Linux) Your Moneris Career - The Opportunity As a Systems Administrator III (Linux), you will engineer, automate, secure, and continuously improve the enterprise Red Hat ...

OICR

Systems Administrator III

Toronto, ON · On-site

Systems Administrator III Location: MaRS Centre, Toronto Department: Research Information ... OICRs infrastructure consists of Linux and Windows servers, including a large high performance ...

OICR

Systems Administrator III

Toronto, ON · On-site

CA$93K - CA$104K/yr

Systems Administrator III Location: MaRS Centre, Toronto Department: Research Information ... OICR's infrastructure consists of Linux and Windows servers, including a large high performance ...

New

Rebel

Systems Administrator

Ottawa, ON · On-site

You've probably read ten Systems Administrator postings today. They all say the same thing ... Windows Server, Linux, AWS, great culture, competitive salary. You don't need another list. What ...

Rebel

Systems Administrator (Lead)

Ottawa, ON · On-site

Systems Administrator Team Lead Location: Ottawa, ON (377 Dalhousie Street) Work Model: Hybrid - 4 ... Manage AWS, servers (Windows & Linux), and infrastructure * Oversee hosting platforms (Plesk ...

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Linux Systems Administrator information

What is the difference between Linux Systems Administrator vs Network Administrator?

AspectLinux Systems AdministratorNetwork Administrator
CertificationsLinux+, LPIC, RHCSACompTIA Network+, Cisco CCNA
Work EnvironmentServer management, Linux environments, data centersNetwork infrastructure, routers, switches, LAN/WAN
ResponsibilitiesManaging Linux servers, scripting, securityConfiguring networks, troubleshooting connectivity

The Linux Systems Administrator primarily focuses on managing Linux servers, ensuring system security, and automating tasks. In contrast, the Network Administrator handles network infrastructure, maintaining connectivity, and configuring network devices. Both roles require technical certifications and work in IT environments, but their core responsibilities differ in scope and focus.

What is a Linux systems administrator?

Linux Systems Administrators are IT professionals responsible for installing, configuring, maintaining, and supporting Linux-based servers and systems. They manage user accounts, ensure system security, monitor performance, and troubleshoot hardware and software issues. Their role often involves automating tasks, applying patches and updates, and ensuring the reliable operation of critical applications. Linux Systems Administrators play a key part in keeping an organization's IT infrastructure running smoothly and securely.

Is Linux Systems Administrator a good career?

A Linux Systems Administrator is a valuable role responsible for managing and maintaining Linux-based servers and infrastructure. It offers strong job growth, competitive salaries, and opportunities to develop skills in scripting, networking, and security. The role often requires certifications like CompTIA Linux+ or RHCSA and involves working in IT environments that rely on Linux systems.

Are Linux Systems Administrators in high demand?

Linux Systems Administrators are in high demand due to the widespread use of Linux in servers, cloud infrastructure, and cybersecurity. Employers seek professionals with skills in scripting, networking, and certifications like RHCE or CompTIA Linux+ to manage and secure Linux environments effectively.

How much do Linux Systems Administrators make?

Linux Systems Administrators typically earn between $70,000 and $110,000 annually, depending on experience, certifications, and location. Professionals with advanced skills in scripting, networking, and cloud platforms may earn higher salaries.

What are common challenges Linux systems administrators face when managing large-scale server environments?

Linux Systems Administrators often encounter challenges such as maintaining system security across multiple servers, ensuring high availability, and managing configuration consistency. Troubleshooting network or hardware issues in a large environment can be complex, especially when minimizing downtime is critical. Additionally, keeping software and kernel updates synchronized without disrupting services requires careful planning and automation. Collaboration with development, security, and operations teams is crucial to address these challenges efficiently.

What skills and qualifications are needed to be a Linux systems administrator?

To thrive as a Linux Systems Administrator, you need a deep understanding of Linux operating systems, networking concepts, and scripting languages like Bash or Python, usually supported by a relevant degree or certifications such as CompTIA Linux+ or Red Hat Certified System Administrator (RHCSA). Familiarity with tools like Ansible, Docker, Kubernetes, and system monitoring platforms is typically required. Strong problem-solving abilities, attention to detail, and effective communication skills help you excel in troubleshooting and collaborating with IT teams. These skills are crucial for ensuring secure, stable, and high-performing IT infrastructure that supports business operations.
What are the most commonly searched types of Linux Systems Administrator jobs in Ontario? The most popular types of Linux Systems Administrator jobs in Ontario are:
What are popular job titles related to Linux Systems Administrator jobs in Ontario? For Linux Systems Administrator jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Linux Systems Administrator jobs in Ontario look for? The top searched job categories for Linux Systems Administrator jobs in Ontario are:
What are popular job titles related to Linux Systems Administrator jobs in ON? For Linux Systems Administrator jobs in ON, the most frequently searched job titles are:
Linux Systems Administrator jobs near you
Infographic showing various Linux Systems Administrator job openings in Ontario as of July 2026, with employment types broken down into 81% Full Time, 12% Part Time, and 7% Contract. Highlights an 84% Physical, 3% Hybrid, and 13% Remote job distribution.

Systems Administrator III (Linux)

Moneris

Toronto, ON • Hybrid

CA$85K - CA$113K/yr

Full-time

Retirement

Posted 16 days ago

Job description

Systems Administrator III (Linux)

Your Moneris Career - The Opportunity

As a Systems Administrator III (Linux), you will engineer, automate, secure, and continuously improve the enterprise Red Hat Enterprise Linux (RHEL) platform that underpins Moneris' business-critical payments services across on-premises datacentersand cloud.

This is asenior,hands-on infrastructure rolecenteredon operating and modernizing a large-scale RHEL estate of thousands of virtual machines spanning development through mission-critical production. You will build reusable automation at scale with Ansible, Python, and Bash; drive lifecycle management through patching, upgrades, and migrations; and harden the environment against payments-industry compliance standards. Working independently with sound judgment, you will partner with Platform, Site Reliability Engineering (SRE), Cloud Operations, Information Security, and Infrastructure Architecture teams to deliver a consistent, resilient, and secure operating environment. You will also mature service ownership, mentor less-experienced colleagues, and reduce operational drift through standards-based engineering.

Location:You will be based in our Toronto office, balancing in-office collaboration with remote flexibility.

Reporting Relationship: You will report to Manager, Systems Infrastructure

Posting Type:Replacement Position

Salary Range:The expected base salary range for this role is $85,000 - $113,000

Total compensation may also include variable or discretionary incentive components, including but not limited to bonuses and commissions. Individual job offers aredeterminedbyvarious factors, including experience, education, skills, certifications, and other business needs.

Your Moneris Career - Whatyou'lldo

  • Administer, maintain, and support a large-scale RHEL estate of thousands of virtual machines across development, test, and mission-critical production.

  • Build andmaintainreusable automation at scale using Red Hat Ansible, Bash, Python, and GitHub to enforce standards and reduce manual effort.

  • Manage platform currency through patching, upgrades, in-place migrations, remediation, and decommissioning using Red Hat Satellite and Hybrid Cloud Console.

  • Lead and support projects covering implementation, modernization, service transition, and operational readiness across hybrid infrastructure.

  • Troubleshoot complex issues to root cause across operating system,compute, storage, virtualization, identity, and network-adjacent layers.

  • Support server hardening, vulnerability remediation, and compliance activities within a least-privilege, PCI DSS-regulated environment.

  • Manage incidents, requests, problems, and changes in ServiceNow, aligned to enterpriseITILchange management processes.

  • Create andmaintainbuild standards,automationplaybooks, technical documentation, diagrams, and knowledge base articles.

Your Moneris Career - What you bring

Required qualifications

  • Minimum 3 years administering and supporting Red Hat Enterprise Linux 7/8/9/10 on x86_64 at enterprise scale, including thousands of VMs across multiple environments.

  • Extensive hands-on automation experience with Red Hat Ansible, Bash, Python, and GitHub to deliver standards-based, consistent, secure environments at scale.

  • Strong experience with Linux build, patching, upgrade, in-place migration, and decommissioning workflows, including Red Hat Satellite and Hybrid Cloud Console.

  • Experience integrating RHEL with Active Directory using SSSD and Kerberoskeytabswithin a least-privilege security model.

  • Experience with virtualization such as VMware vSphere or Nutanix AHV and supporting Infrastructure as aService (IaaS) virtual machinesin Microsoft Azure.

  • Demonstrated root-cause troubleshooting across OS,compute, storage, virtualization, and network-adjacent layers, with a record of continuous service improvement.

  • Working knowledge of IPv4 fundamentals, network segmentation, PKI, backup, recovery, and disaster recovery concepts, plus ServiceNow and ITIL processes.

Preferred qualifications

  • Experience in a regulated industry, ideally payments or Payment Card Industry Data Security Standard (PCI DSS) environments.

  • Familiarity with server hardening using Center for Internet Security (CIS) benchmarks and National Institute of Standards and Technology (NIST) guidelines, with tools such as Microsoft Defender,OpenSCAP, and Forta Tripwire.

  • Experience with CyberArk Privileged Access Management andConjursecrets management, Venafi, Azure Arc, and Microsoft Defender for Endpoint (ATP).

  • Exposure to container-based infrastructure, DevOps pipelines, and observability tooling such asCheckMKand Dynatrace, plusGlusterFS/FUSE, NFS, and Postfix.

What you get

  • Emphasis on Wellness - Meeting Free Fridays (MF2), company-wide holiday closure, just to name a few

  • RRSP matching & defined contribution pension plan

  • Flexible benefits package starting from day 1

  • Thrive in a Hybrid or Remote Model - including a tech peripheral rebate!

  • Extensive learning & development programs and resources - plus unlimited free access to LinkedIn Learning and Udemy courses!

  • EAP (Employee Assistance Program), Educational Assistance and Recognition Program

  • Employeeperkprogram with incredible discounts for over 2,400 vendors!

  • Get involved in one or many of our Moneris Committees and Employee Resource Groups - Inclusive Workplace Council (IWC), Black Employee Network, just to name a few

Learn more about how Moneris is striving to be at the forefront of Fintech! (https://www.moneris.com/en/Careers/Tech)

#LI-Hybrid

#TECH-IND

Note: We welcome and encourage applications from Indigenous peoples, people of colour, people with disabilities, people of all genders, sexual orientation and intersectional identities.

AI Disclosure: We may use AI-enabled tools to screen, select, and assess applications. All AI outputs are reviewed and validated by our recruitment team.

We acknowledge that people from equity-deserving groups (including racialized individuals, women, gender diverse individuals, individuals with disabilities, neurodivergent individuals, members of 2SLGBTQIA+ communities and those born outside of Canada) are less likely to apply for jobs unless they feel they meet all the requirements posted. At Moneris, we believe candidates bring experience to their work in many ways. We encourage you to apply and share, in the application form, the transferrable experience you bring, and how this will support your success in this role.

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