Linux System Administrator jobs in Toronto, ON
- Moneris SolutionsToronto, ON
- $85,000–$113,000 a year
- Full-time
- Tuition reimbursement
- Employee assistance program
- RRSP match
- Troubleshoot complex issues to root cause across operating system, compute , storage, virtualization, identity, and network-adjacent layers.
- ToyotaScarborough, ON
- $107,800–$145,800 a year
- Full-time
- Paid time off
- Dental care
- Extended health care
- 6+ years of progressive experience in End User Computing (EUC), IT infrastructure architecture, or systems engineering.
Network Systems Administrator
Easily applyCatholic Cemeteries & Funeral Services -...Thornhill, ON L3T 7Z3- $68,000–$72,000 a year
- Full-time +1
- Monday to Friday
- Vision care
- Dental care
- Employee assistance program
- Company pension
- Extended health care
- On-site parking
- Monitor and log network performance parameters, system/load/data balancing, utilities & systems changes, patches and upgrades.
- Job Types: Permanent, Full-time.
- Moneris SolutionsToronto, ON
- $106,000–$135,000 a year
- Full-time
- Paid time off
- Profit sharing
- The Senior Network Administrator will play a key role in designing, implementing, securing, and supporting enterprise network infrastructure across data centers…
- Chartwell Retirement ResidencesMississauga, ON
- Full-time
- On call
- Review, troubleshoot, resolve and/or escalate system errors and issues to the system vendor when necessary.
- Demonstrated ability to identify business process…
Senior Staff Network Software Engineer
Easily applyKaseya CareersToronto, ON- 10+ years of experience in software engineering, with at least 7+ years focused primarily on backend systems.
- This is a hands‑on role: you'll define the design,…
- CBREToronto, ON
- $52.89–$57.70 an hour
- Full-time
- On call
- Provide expertise on decisions and priorities on systems architecture.
- Lead the development of system designs, technical standards, and infrastructure best…
- Moneris SolutionsToronto, ON
- $99,121–$134,522 a year
- Full-time
- Paid time off
- Profit sharing
- As a Senior Engineer, End User Services, you will lead the strategy and execution of Moneris’ modern endpoint management and end‑user enablement technologies.
- Moneris SolutionsToronto, ON
- $99,121–$134,522 a year
- Full-time
- Paid time off
- Profit sharing
- As a Senior Engineer, End User Services, you will lead the strategy and execution of Moneris’ modern endpoint management and end‑user enablement technologies.
- Moneris SolutionsToronto, ON
- $100,000–$142,000 a year
- Full-time
- Tuition reimbursement
- Employee assistance program
- RRSP match
- Experience defining or improving operating system build standards, golden images, hardened baselines, or automated provisioning patterns.
- North York General HospitalToronto, ON
- $49.14–$59.20 an hour
- Full-time +1
- Day shift +2
- Provides support to Radiology and Cardio-Respiratory system users with system administration tasks as well as troubleshooting of incidents related to…
Cloud Infrastructure & DevSecOps Engineer
Easily applyInfoTrack CanadaToronto, ON- $130,000–$150,000 a year
- Full-time +1
- Vision care
- Dental care
- Life insurance
- Extended health care
- Working knowledge of monitoring and logging systems — Datadog, Elastic Search, Zabbix, Grafana, Prometheus — and comfort turning that data into reports senior…
View similar jobs with this employerJunior IT Workplace & Infrastructure Analyst
Easily applyRexelMississauga, ON- $55,000–$65,000 a year
- Full-time +1
- Paid time off
- Vision care
- Dental care
- Life insurance
- Store discount
- On-site parking
- Migration experience from third-party domains, email systems, or tenants.
- Troubleshoot and resolve basic to intermediate issues with IT systems, including…
Solution Architect
Easily applyBrydon GamaMarkham, ON- $110,000–$130,000 a year
- Full-time +1
- Experience implementing or supporting enterprise systems (CRM, financial platforms, DMS, or similar).
- Assess as-is system models, identify gaps, and shape…
Systems Administrator
Easily applyNewFreshGo Distribution Ltd.Markham, ON L3R 5B3- $20–$25 an hour
- Full-time
- Dental care
- Casual dress
- On-site parking
- Experience with POS systems and electronic shelf label (ESL) systems an asset.
- Maintain the LBOSS POS system and electronic shelf label (ESL) system across…
- Unity Health TorontoToronto, ON
- $51.95–$64.94 an hour
- Full-time +1
- On call
- Participating in internal and external system audits.
- Monitoring system capacity, utilization, and performance.
- Providing reports to management, as required.
By creating a job alert, you agree to our Terms . You can change your consent settings at any time by unsubscribing or as detailed in our terms.
People also searched:
Career Resources:
Systems Administrator III (Linux)
Systems Administrator III (Linux)
Job details
Pay
Job type
Benefits
Full 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 data centers and cloud.
This is a senior, hands-on infrastructure role centered on 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 are determined by various factors , including experience, education, skills, certifications, and other business needs.
Your Moneris Career – What you'll do
-
Administer, maintain, and support a large-scale RHEL estate of thousands of virtual machines across development, test, and mission-critical production.
-
Build and maintain reusable 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 enterprise ITIL change management processes.
-
Create and maintain build standards, automation playbooks, 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 Kerberos keytabs within a least-privilege security model.
-
Experience with virtualization such as VMware vSphere or Nutanix AHV and supporting Infrastructure as a Service (IaaS) virtual machines in 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 and Conjur secrets management , Venafi, Azure Arc, and Microsoft Defender for Endpoint (ATP).
-
Exposure to container-based infrastructure, DevOps pipelines, and observability tooling such as CheckMK and Dynatrace, plus GlusterFS /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
-
Employee perk program 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.