Network administrator jobs in Mississauga, ON and nearby (129 jobs)

Network administrator jobs within 25 km of Mississauga, ON, Canada. Nearby towns and cities are included. Distances are straight-line, not driving distances.

Counted Nov 7, 2026

Hiring at a glance

View jobs

Open jobs: 129
Employers: 96

Advertised starting pay

Average starting payCAD / year: $94,364Across 22 listings
Average starting payCAD / hour: $49.31Across 12 listings

Employer-advertised starting pay, not employee salaries. Currencies and pay periods stay separate.

Where work happens

Remote: 0%0 listings
Hybrid: 39%50 listings
On-site: 61%79 listings

Employers hiring include S M Software Solutions Inc (5), Michael Page (4), CGI (3).

Sources & calculation notes

These figures describe the listings on this role page at the date shown, not the whole job market. Listings can change.

Employer-listed minimums from at least 10 listings per currency and pay period. These are advertised starting amounts, not employee salaries. Jobs without a minimum and unusual amounts are excluded.

Hybrid and on-site classifications may be inferred from descriptions. Check the original ad. How we count

Network administrator jobs in Mississauga, ON and nearby

Within 25 km

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Added 5 days ago
P/
Network Administrator
PrecisionERP / PrecisionIT
Toronto, ON
- Full-time
PrecisionERP is seeking a Network Administrator to join our client located in the greater Toronto area for a full time permanent position. Work will be hybrid with 3 days onsite.
Added 8 days ago
DI
System Administrator
Dawn InfoTek
Toronto, ON
- Contract
We are currently seeking a highly skilled System Administrator to join our dynamic team and support one of our major banking clients.
Added 8 days ago
Network Administrator
Cyclic Materials Inc.
Toronto, ON
Added 8 days ago
CM
Network Administrator
Cyclic Materials
Toronto, ON
- Full-time
Added 8 days ago
DI
System Administrator
Dawn InfoTek
Toronto, ON
- Contract
We are currently seeking a highly skilled System Administrator to join our dynamic team and support one of our major banking clients.
Added 9 days ago
TC
Linux System Administrator
Tata Consultancy Services
Toronto, ON
- $100,000 to $120,000 CAD / year
- Full-time
Added 9 days ago
TC
Linux System Administrator
Tata Consultancy Services
Toronto, ON
- $90,000 to $100,000 CAD / year
- Full-time
Added 9 days ago
GS
Senior Systems Administrator
Gertex Solutions
Toronto, ON
- Full-time
Added 9 days ago
CR
Senior System Administrator ERP (Yardi)
Chartwell Retirement Residences
Mississauga, ON
- $115,000 to $120,000 CAD / year
- Full-time
Added 9 days ago
SV
Senior Systems Administrator
SPIN VFX
Toronto, ON
- Full-time
Added 9 days ago
TI
System Administrator
TekStaff IT Solutions
Toronto, ON
- Contract
TekStaff's Client has a current vacancy for a System Administrator
Added 10 days ago
B
Systems Administrator - (Windows and Unix-Linux environments/ Automation/ AWS)
BMO
Toronto, ON
- Full-time
Added 10 days ago
WC
Senior Analyst, Walmart Services - WMC Systems Administrator
Walmart Canada
Mississauga, ON
- Full-time
Position Summary...The WMC Systems Administrator plays a key role in maintaining the reliability, usability, and governance of Salesforce and internal platforms that support Walmart…
Added 10 days ago
W
Senior Analyst, Walmart Services - WMC Systems Administrator
Walmart
Mississauga, ON
- Full-time
The WMC Systems Administrator plays a key role in maintaining the reliability, usability, and governance of Salesforce and internal platforms that support Walmart Connect’s sales and…
Added 10 days ago
DF
Systems Administrator
DUCA Financial Services Credit Union Ltd.
Toronto, ON
- Full-time
Added 11 days ago
T
Senior Network Security Administrator
Tangerine
Toronto, ON
- Full-time
Added 11 days ago
Senior Network Security Administrator
Scotiabank
Toronto, ON
Added 11 days ago
YU
Systems Administrator
Yorkville University
Toronto, ON
- Full-time
Added 11 days ago
FH
System Administrator
Fairmont Hotels & Resorts
Toronto, ON
- Full-time
Added 11 days ago
A
RQ00748 – Intermediate Systems Administrator\Operations Support Specialist
Amyantek
Toronto, ON
- Contract
Job Title: RQ00748 – Intermediate Systems Administrator\Operations Support Specialist
Added 11 days ago
A
System Administrator
AccorHotel
Toronto, ON
- Full-time
Added 11 days ago
YU
Systems Administrator
Yorkville University
Toronto, ON
- Full-time
Added 12 days ago
Scheduling Systems Administrator
March of Dimes Canada
Toronto, ON
Added 12 days ago
TC
Network Administrator
Toyota Canada Inc.
Toronto, ON
- Full-time
…providing technical assistance to team members with system and network…
Added 15 days ago
P
Systems Administrator
Pelmorex
Oakville, ON
- Full-time
Read about us here! (spoiler alert… we are The Weather Network for Business Division )📍

Tata Consultancy Services

Linux System Administrator

Toronto, ON, Canada

$90,000 to $100,000 CAD / year · Full-time

Apply About employer

Applications open in a new tab.

Job details

Pay: $90,000 to $100,000 CAD / year
Job type: Full-time
Apply by: Nov 27, 2026
Posting language: English
Posted: Oct 28, 2026

Original job description

Inclusion without Exception

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our workforce and implemented through equitable workplace policies and processes.

Tata Consultancy Services (BSE: 532540, NSE: TCS) is the technology partner of choice for industry-leading organizations worldwide. Since its inception in 1968, TCS has upheld the highest standards of innovation, engineering excellence and customer service.

It has set an aspiration to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence.

Rooted in the heritage of the Tata Group, TCS is focused on creating long term value for its clients, its investors, its employees, and the community at large. With a highly skilled workforce spread across 56 countries and 194 service delivery centers across the world, the company has been recognized as a top employer in six continents. With the ability to rapidly apply and scale new technologies, the company has built long term partnerships with its clients. Many of these relationships have endured into decades and navigated every technology cycle, from mainframes in the 1970s to artificial intelligence today.

Role Summary

We are looking for an experienced Linux System Administrator with strong expertise in Linux infrastructure administration, automation using Ansible, and working knowledge of IBM WebSphere Application Server (WAS).

Key Responsibilities

Administer, configure, maintain, and troubleshoot Linux servers in production environments.
Perform server provisioning, patching, upgrades, capacity management, and performance tuning.
Manage users, permissions, file systems, storage, services, networking, and system security.
Develop and maintain Ansible playbooks, roles, and scripts to automate routine administration, configuration, patching, and deployment activities.
Identify opportunities to reduce manual effort and improve operational efficiency through automation.
Perform incident troubleshooting, root cause analysis, and resolution for Linux infrastructure issues.
Support IBM WebSphere Application Server (WAS) administration, including deployments, service management, configuration, log analysis, and troubleshooting.
Support production changes, maintenance activities, vulnerability remediation, and operational health checks.
Maintain technical documentation, SOPs, and operational procedures.

Required Skills

Strong hands-on experience with Linux administration, preferably RHEL.
Good hands-on experience with Ansible and infrastructure automation.
Strong knowledge of shell scripting, system troubleshooting, patching, networking, storage, and performance monitoring.
Working knowledge of IBM WebSphere Application Server (WAS).
Experience supporting 24x7 production environments and handling incidents/changes.
Good troubleshooting, documentation, and communication skills.

Preferred

Demonstrated hands-on experience in Linux administration and infrastructure automation.

Required Skills

Strong hands-on experience with Linux administration, preferably RHEL.
Good hands-on experience with Ansible and infrastructure automation.
Strong knowledge of shell scripting, system troubleshooting, patching, networking, storage, and performance monitoring.
Working knowledge of IBM WebSphere Application Server (WAS).
Experience supporting 24x7 production environments and handling incidents/changes.
Good troubleshooting, documentation, and communication skills.

Preferred

Demonstrated hands-on experience in Linux administration and infrastructure automation.

Salary Range - CA$ 90,000 - CA$ 100,000 Per Year

TCS does not use artificial intelligence tools for candidate screening or evaluation. This post is for a current vacancy. The hiring process includes an initial screening, followed by a technical evaluation and managerial discussion.

Tata Consultancy Services Canada Inc. is committed to meeting the accessibility needs of all individuals in accordance with the Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code (OHRC). Should you require accommodation during the recruitment and selection process, please inform Human Resources.

Thank you for your interest in TCS. Candidates that meet the qualifications for this position will be contacted within a 2-week period. We invite you to continue to apply for other opportunities that match your profile.

Apply About employer

More about this job

Responsibilities

Administer, maintain, secure, and troubleshoot production Linux servers, including provisioning, patching, upgrades, capacity management, and performance tuning. Automate routine infrastructure tasks with Ansible and support IBM WebSphere Application Server deployments, operations, incident resolution, and production changes.

Requirements

Candidates need strong hands-on Linux administration experience, preferably with RHEL, along with Ansible automation and shell scripting skills. They should also have working knowledge of IBM WebSphere Application Server and experience supporting 24/7 production environments, incidents, and changes.

Skills

Linux Administration
Red Hat Enterprise Linux
Ansible
Infrastructure Automation
Shell Scripting
System Troubleshooting
Server Provisioning
Patching and Upgrades
Networking
Storage Management
Performance Monitoring
IBM WebSphere Application Server
Incident Management
Root Cause Analysis
Production Support
Technical Documentation

Visa sponsorship

Not detected in the job text

Keywords

Linux
Red Hat Enterprise Linux
Ansible
Infrastructure Automation
Shell Scripting
IBM WebSphere Application Server
Server Provisioning
Patching
Upgrades
Capacity Management
Performance Tuning
User and Permission Management
File Systems
Storage
Networking
System Security
Playbooks
Roles
Configuration Management
Deployment
Incident Troubleshooting
Root Cause Analysis
Vulnerability Remediation
Production Support
24/7 Operations
Operational Health Checks
Technical Documentation
Standard Operating Procedures
IT Services
Change Management

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