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Senior Systems Administrator Jobs in Mississauga, ON (2,020)

Senior Systems Administrator

TV2 Consulting
Toronto, ON
New
Part-Time
Icon: salary
$70k / year

Senior Systems Administrator

Cynet Systems
Toronto, ON

Senior Pega Systems Administrator, Scotiabank

Scotiabank
Toronto, ON
New

Senior Systems Administrator – Azure Cloud, IT

First National Financial LP
Toronto, ON
Parental Leave
Icon: salary
$70k / year

Senior Server Administrator

The Salvation Army in Canada
Toronto, ON
Icon: salary
$81.2k - $101.5k / year

SENIOR DATABASE ADMINISTRATOR

Svitla Systems
Toronto, ON
New
Icon: salary
$60k / year

Senior Technology Systems Engineer & Deputy Manager

AtkinsRéalis
Toronto, ON
Icon: salary
$65.6k / year

Verafin - Cloud Database Administrator

Nasdaq
Toronto, ON
New
Health Insurance
Icon: salary
$60 - $70 / hour

IT Administrator - Corporate (2025-8434)

Verve Senior Living
Toronto, ON
New
Part-Time
Icon: salary
$55 - $65 / hour

Senior Business Systems Integrator

RBC
Toronto, ON
New
Icon: salary
$70k / year

Project and Business Administrator (Contract)

Reimagineontario
Oakville, ON
New

Senior Mainframe RACF Security Administrator

Software International
Toronto, ON
Hourly
Icon: salary
$180k / year

Electrical System Manager - Transit

Mass. Electric Construction
Oakville, ON
New
Dental Insurance
Vision Insurance
Icon: salary
$122.3k / year

Senior Contracts Specialist - Fix Term 8 months

Baffinland
Oakville, ON
New

Network Security Administrator (ID#5096)

New Value Solutions
Toronto, ON
New

Senior Yardi System Analyst

Quantum Technology Recruiting Inc. (QTR)
Toronto, ON
Icon: salary
$1,000 / week

Systems Integrator (Packaging Automation Systems)

ZPI
Oakville, ON
New
Health Insurance
Dental Insurance
Icon: salary
$70k / year

System Administrator

Altis Technology
Toronto, ON

Senior Network and Systems Engineer

OTT Financial Group
Toronto, ON
New
Icon: salary
$90k - $110k / year

Director, Benefits System Configuration Consultant

Accor
Toronto, ON
New
Hospitality
Diversity Leader
Icon: salary
$152.6k / year

Sr. Systems Administrator

Propel Holdings
Toronto, ON
Dental Insurance
Icon: salary
$86k / year

Database Administrator

VLink
Toronto, ON
New
Hourly
Icon: salary
$75 - $80 / hour

Systems Administrator Operations Support 0132-2415

Foilcon
Toronto, ON
New

Security Analyst (*1 Year Contract*)

CAPREIT
Toronto, ON

Senior Cloud SQL Administrator, Tangerine

Tangerine
Toronto, ON
New
Icon: salary
$70k / year

System Administrator

Tekshapers
Toronto, ON
New

Senior Salesforce Developer

Guardian Capital Group
Toronto, ON
New
Icon: salary
$58 / hour

Senior Payroll Administrator

Legislative Assembly of Ontario / Assemblée législative de l’Ontario
Toronto, ON
New
Icon: salary
$100k / 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
Icon: salary
$60 / hour

Network and Security Administrator

Smith + Andersen
🌎 Remote
New
Part-Time
Remote
Flexible Schedule

Healthcare Business Analyst (EMR)

Bayshore HealthCare
Mississauga, ON

Security Project Manager

Russell Tobin
Mississauga, ON

Job Description

Working as a Senior Systems Administrator in Mississauga, ON

There are 2,020 Senior Systems Administrator opportunities available in Mississauga, 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.

Senior Systems Administrator jobs near Mississauga, ON

  • Toronto, ON
  • Ottawa, ON
  • Winnipeg, MB

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    Senior Systems Administrator jobs near Mississauga, ON

    • Hamilton, ON
    • London, ON
    • Kitchener, ON
    • Laval, QC
    • Oakville, ON
    • Vaughan, ON
    • Brampton, ON
    • Gatineau, QC
    • Markham, ON
    • Richmond Hill, ON
    • Windsor, ON
    • Niagara Falls, ON
    • St. Catharines, ON