Senior Systems Administrator Jobs in Toronto, ON (1,968)
Senior Systems Administrator – Azure Cloud, IT
First National Financial LP
Toronto, ON
Parental Leave
$70k / year
Senior Systems Administrator
TV2 Consulting
Toronto, ON
Part-Time
$70k / year
Senior Systems Administrator
Cynet Systems
Toronto, ON
Senior Pega Systems Administrator, Scotiabank
Scotiabank
Toronto, ON
New
Senior Server Administrator
The Salvation Army in Canada
Toronto, ON
$81.2k - $101.5k / year
Senior Technology Systems Engineer & Deputy Manager
AtkinsRéalis
Toronto, ON
$65.6k / year
Verafin - Cloud Database Administrator
Nasdaq
Toronto, ON
Health Insurance
$60 - $70 / hour
IT Administrator - Corporate (2025-8434)
Verve Senior Living
Toronto, ON
New
Part-Time
$55 - $65 / hour
Senior Business Systems Integrator
RBC
Toronto, ON
New
$70k / year
Senior Mainframe RACF Security Administrator
Software International
Toronto, ON
Hourly
$180k / year
Network Security Administrator (ID#5096)
New Value Solutions
Toronto, ON
New
Senior Yardi System Analyst
Quantum Technology Recruiting Inc. (QTR)
Toronto, ON
$1,000 / week
System Administrator
Altis Technology
Toronto, ON
Director, Benefits System Configuration Consultant
Accor
Toronto, ON
New
Hospitality
Diversity Leader
$152.6k / year
Sr. Systems Administrator
Propel Holdings
Toronto, ON
Dental Insurance
$86k / year
Database Administrator
VLink
Toronto, ON
New
Hourly
$75 - $80 / hour
Systems Administrator Operations Support 0132-2415
Foilcon
Toronto, ON
New
Security Analyst (*1 Year Contract*)
CAPREIT
Toronto, ON
Senior Network and Systems Engineer
OTT Financial Group
Toronto, ON
$80k / year
Senior Cloud SQL Administrator, Tangerine
Tangerine
Toronto, ON
New
$70k / year
System Administrator
Tekshapers
Toronto, ON
New
Senior Payroll Administrator
Legislative Assembly of Ontario / Assemblée législative de l’Ontario
Toronto, ON
New
$100k / year
Netbackup Admin
MDA Edge
Toronto, ON
New
$143k - $214.4k / year
Control Systems Programmer (PLC/SCADA/iFIX/GE)
RTS Consulting Automation
Toronto, ON
New
$70k / year
Information Technology Manager
Sabel Systems Technology Solutions
Toronto, ON
New
$60k - $65k / year
Senior Network Engineer
MDA Edge
Toronto, ON
New
$100k / year
Administrative Coordinator Team Lead
Lifemark Health Group
Toronto, ON
New
Dental Insurance
$18 - $21 / hour
System Administrator
KEV Group
Toronto, ON
Dental Insurance
$86k / year
Payroll Lead
Vaco by Highspring
Toronto, ON
$80k / year
HR & Admin Manager
MINISO Canada
Toronto, ON
New
Health Insurance
$120k / year
Salesforce and Business Systems Engineer (Remote - Americas)
Razorhorse Capital
🌎 Remote
New
Remote
PTO
Database Administrator, Oracle E-Business Suite
Stantec
🌎 Remote
Remote
Entry-Level
$60 / hour
Network and Security Administrator
Smith + Andersen
🌎 Remote
New
Part-Time
Remote
Flexible Schedule
Job Description
Working as a Senior Systems Administrator in Toronto, ON
There are 1,968 Senior Systems Administrator opportunities available in Toronto, ON all with unique requirements.
A Senior Systems Administrator ensures that an organization's IT infrastructure is working at peak performance and availability. He or she is responsible for planning, managing, and evaluating the systems within the Information Technology (IT) department. The Senior Systems Administrator keeps abreast of current technology and implements updates to business services as necessary. A large part of this position often involves supervising junior administrators and resolving issues relating to network operations.