Mississauga, On Linux systems administrator Jobs – 39 Openings This Week

Systems Administrator III (Linux)
Moneris Solutions —Toronto, ON
- $85,000–$113,000 a year
- Overtime
- Hybrid work
- Azure
- DevOps
- Windows
- Tuition reimbursement
- Employee assistance program
7d
Systems & Network Administrator (1–2 Positions)
Computer Ventures of Canada Groups —Greater Toronto Area, ON
- From $55,000 a year
- Full-time
- Remote
- Microsoft Outlook
- Customer service
- Windows
Quick apply
Systems Administrator III
Moneris Solutions —Toronto, ON
- $85,000–$113,000 a year
- Overtime
- Hybrid work
- Azure
- DevOps
- Windows
- Profit sharing
- Paid time off
Software Engineering Applications System Administrator
Kyndryl —Toronto, ON
- Contract
- Azure
- DevOps
- Linux
Quick apply
Sr. Systems Administrator
OpenText —Mississauga, ON
- $67,200–$110,400 a year
- Linux
- Leadership
- Python
- Paid time off
Systems Administrator III
OICR —Toronto, ON
- $93,000–$104,500 a year
- On call
- Hybrid work
- Computer Science
- Engineering
- English
IT - Systems Administrator
JAM Industries Ltd —Toronto, ON
- Full-time
- Hybrid work
- Azure
- SQL
- Analysis skills
- Wellness program
- Disability insurance
Quick apply
Senior Systems Administrator (Storage Services)
Moneris Solutions —Toronto, ON
- $99,121–$134,522 a year
- Full-time
- Hybrid work
- Windows
- Travel
- Linux
- Profit sharing
- Paid time off
Systems Operations Specialist
NASDAQ —Toronto, ON
- $84,000–$115,000 a year
- Full-time
- Hybrid work
- Computer Science
- DevOps
- English
Network and System Administrator
University of Toronto —Toronto, ON
- $81,312–$103,986 a year
- Full-time
- Azure
- Windows
- AWS
Control-M System Administrator
CGI —Toronto, ON
- $60,000–$110,000 a year
- Full-time
- Hybrid work
- Azure
- DevOps
- AWS
Quick apply
IT/OT Senior Systems Administrator
Northland Power —Toronto, ON
- $83,200–$104,000 a year
- Full-time
- Azure
- Computer Science
- Master's degree
- Wellness program
- Dental care
Application Administrator
Royal Bank of Canada —Toronto, ON
- Full-time
- Oracle
- Customer service
- Microsoft Office
Azure Cloud Engineer
Deloitte —Toronto, ON
- $58,000–$96,000 a year
- Remote
- Azure
- Computer Science
- DevOps
Senior IT Infrastructure Administrator, Security
Confluence Technologies —Toronto, ON
- Full-time
- Hybrid work
- Scripting
- Linux
- Paid time off
Quick apply
Backup & Storage Administrator
Jolera —Toronto, ON
- Weekends as needed
- Hybrid work
- Azure
- Computer Science
- Windows
Quick apply
Sr. Linux Engineer
LTM —Mississauga, ON
- $74,016–$107,937 a year
- On call
- Azure
- Oracle
- Computer Science
- Disability insurance
- Dental care
Quick apply
Sr DevSecOps Cloud Specialist
LTM —Mississauga, ON
- $90,000–$110,000 a year
- On call
- Azure
- DevOps
- English
- Disability insurance
- Dental care
Quick apply
Senior DevOps Engineer (SRE Focus) – Kubernetes | OpenShift | CI/CD |
J2B Global LLC —Mississauga, ON
- Full-time
- Oracle
- DevOps
- Java
7d
Senior VDI Administrator
Citco —Toronto, ON
- $94,000–$126,000 a year
- Weekends as needed
- Azure
- Analysis skills
- Scripting

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Systems Administrator III (Linux)

Moneris Solutions -
Toronto, ON

Apply Now

Job details

Full-time
$85,000–$113,000 a year
7 days ago

Qualifications

Azure
PCI
NFS
Ansible
DevOps
Windows
Bash (Unix shell)
PKI
Incident response
Virtualization
GitHub
ServiceNow
VMWare
Linux
Business
CyberArk
vSphere
Python
IaaS
Active Directory
Identity & access management

Full job description

Systems Administrator III (Linux)

Your Moneris Career – The Opportunity

Join the Systems Administration team to manage, modernize, and continuously improve enterprise Linux infrastructure across on-premises and cloud environments at Moneris.

You will operate a large-scale Red Hat Enterprise Linux (RHEL) 7/8/9/10 estate spanning thousands of virtual machines across VMware vSphere, Nutanix AHV, and Microsoft Azure Infrastructure as a Service (IaaS). Working with Site Reliability Engineering (SRE), Information Security, Cloud Operations, Infrastructure Architecture, and Application teams, you will scale reusable automation in Red Hat Ansible, Python, Bash, and GitHub, and mature service ownership through documentation, standards, and observability. Your work directly strengthens Moneris' Payment Card Industry Data Security Standard (PCI DSS) posture, resilience, and delivery velocity for merchant-critical services.

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

Manage and support Red Hat Enterprise Linux (RHEL) 7/8/9/10 across development, test, production, and mission-critical environments.

Operate service requests, incidents, changes, and problems through ServiceNow aligned to enterprise ITIL processes.

Maintain platform currency via patching, in-place upgrades, migrations, remediation, and standards-based lifecycle management.

Build reusable automation with Red Hat Ansible, Bash, Python, and GitHub to scale consistent, secure operations.

Support hybrid infrastructure across VMware vSphere, Nutanix AHV, and Microsoft Azure Infrastructure as a Service (IaaS) virtual machines .

Contribute to capacity planning, availability planning, service reporting, and Service Level Agreement (SLA) monitoring.

Mature service ownership by producing technical documentation, build standards, diagrams, automation playbooks, and knowledge base articles.

Participate in a rotational on-call schedule supporting 24/7 critical and production systems.

Your Moneris Career – What you bring

Required qualifications:

Minimum 3 years in a similar role within a large, complex enterprise environment.

Significant hands-on experience with Red Hat Enterprise Linux (RHEL) 7/8/9/10 on x86_64 at scale (thousands of virtual machines) across development, test, and mission-critical production.

Hands-on automation with Red Hat Ansible, Bash, Python, and GitHub to build reusable, standards -based operations.

Experience with Red Hat Satellite, Red Hat Hybrid Cloud Console, in-place RHEL upgrades, and Active Directory integration via System Security Services Daemon ( sssd ) and Kerberos keytabs .

Virtualization experience with VMware vSphere and/or Nutanix AHV, plus Microsoft Azure Infrastructure as a Service (IaaS) virtual machines .

Use of ServiceNow and enterprise ITIL processes for incidents, changes, problems, and requests.

Solid understanding of IPv4 fundamentals, Public Key Infrastructure (PKI), identity and access management, and least-privilege security models.

Preferred qualifications:

Payments industry or Payment Card Industry Data Security Standard (PCI DSS) experience, including familiarity with Center for Internet Security (CIS) benchmarks and National Institute of Standards and Technology (NIST) guidelines.

Experience with CyberArk Privileged Access Security (PAS/ pCloud ), CyberArk Conjur Secrets Management, and Venafi.

Experience with Microsoft Defender for Endpoint / Advanced Threat Protection (ATP), Azure Arc / Connected Machine Agent, OpenSCAP , and Fortra Tripwire.

Exposure to container-based infrastructure and DevOps pipelines, plus tools such as GlusterFS /FUSE, NFS, Postfix, CheckMK , and Dynatrace.

Working Conditions

Rotational on-call schedule to support 24/7 critical and production systems.

Occasional overtime for maintenance windows, incident response, change implementation, and project delivery.

Participation in audits, compliance reviews, disaster recovery exercises, and operational readiness activities.

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!

#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.

Apply Now

Refine Your Search

linux systems administrator jobs in mississauga, on

Systems Administrator III (Linux)

Systems & Network Administrator (1–2 Positions)

Systems Administrator III

Software Engineering Applications System Administrator

Sr. Systems Administrator

Systems Administrator III

IT - Systems Administrator

Senior Systems Administrator (Storage Services)

Systems Operations Specialist

Network and System Administrator

Control-M System Administrator

IT/OT Senior Systems Administrator

Application Administrator

Azure Cloud Engineer

Senior IT Infrastructure Administrator, Security

Backup & Storage Administrator

Sr. Linux Engineer

Sr DevSecOps Cloud Specialist

Senior DevOps Engineer (SRE Focus) – Kubernetes | OpenShift | CI/CD |

Senior VDI Administrator

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