44 senior systems administrator job offers in province of Ontario
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Senior Systems Management Administrator (Tibco)
ROSS Toronto, ON
...here to apply online This position is to primarily provide support of development and production Middleware infrastructure using Tibco technology at a senior...
15 days ago in JobleadsReport -
Senior Systems Administrator: WebSphere & MQ on z/OS
Kyndryl Ottawa, ON
A leading technology service provider in Ottawa is seeking a Senior Systems Administrator to support WebSphere and MQ on z/OS. This role requires over 10...
30+ days ago in JobleadsReport -
Senior Systems Administrator — Studio IT & Render Grid
Guru Studio Toronto, ON
A leading animation company in Toronto seeks a Senior Systems Administrator to manage IT projects and support a dynamic team. Responsibilities include...
30+ days ago in JobleadsReport -
Senior Systems Administrator — Hybrid Cloud & VMware
ZoomerMedia Toronto, ON
A creative media organization is seeking a Senior Systems Administrator to own and modernize their hybrid infrastructure. The ideal candidate will have...
8 days ago in JobleadsReport -
Senior Systems Administrator - L3 IT & Cloud
Sid Lee Toronto, ON
A creative collective based in Toronto is seeking a seasoned Systems Administrator. L3 Support to manage cloud services and ensure optimized systems across...
30+ days ago in JobleadsReport -
Senior Systems Administrator - Hybrid Windows & Linux
TEKsystems c/o Allegis Group Ottawa, ON
A leading technology services provider in Gloucester, Ontario is seeking a Systems Administrator with over 12 years of experience. In this leadership role...
9 days ago in JobleadsReport -
Senior Systems Administrator Lab & Virtual Infrastructure
Huawei Canada Markham, ON
A leading technology company in York Region, Canada, is seeking a System Administrator for a 12-month contract. The role involves installing, configuring...
30+ days ago in JobleadsReport -
Senior Systems Administrator – Mainframe Security Software...
Kyndryl Ottawa, ON
...collecting and using Cookie data to collect statistics and to provide you a personalized web experience and more relevant ads on third party websites. Senior...
30+ days ago in JobleadsReport -
Senior Linux Systems Administrator — Data Center & HA
Telesat Ottawa, ON
A global satellite communications company located in Ottawa is seeking a Senior Systems Administrator to manage high-security infrastructure. The role...
30+ days ago in JobleadsReport -
Senior IT Systems Administrator: Windows VMware Automation
Multy Vaughan, ON
A leading warehousing company in York Region is looking for an experienced IT Systems Administrator to maintain, configure, and operate computer systems and...
25 days ago in JobleadsReport -
Senior Systems Administrator – Mainframe z/OS & Software...
Kyndryl Ottawa, ON
...collecting and using Cookie data to collect statistics and to provide you a personalized web experience and more relevant ads on third party websites. Senior...
30+ days ago in JobleadsReport -
Senior Systems Administrator (Clarington)
Targeted Talent Clarington, ON
Job Description We are looking for an experienced Senior Systems Administrator (Windows) for our client. This is a permanent position, remote in Ontario! Our...
4 days ago in KitjobReport -
Senior Systems Administrator (Storage) (Kitchener)
new Targeted Talent Kitchener, ON
Job DescriptionJob Description We are looking for an experienced Systems Administrator (Storage) for our client. This is a permanent position, remote! Our...
1 day ago in KitjobReport -
Senior Systems Administrator (Storage) (Waterloo)
new Targeted Talent Waterloo, ON
Job DescriptionJob Description We are looking for an experienced Systems Administrator (Storage) for our client. This is a permanent position, remote! Our...
1 day ago in KitjobReport -
Senior Systems Administrator (Storage) (Ottawa)
new Targeted Talent Ottawa, ON
Job DescriptionJob Description We are looking for an experienced Systems Administrator (Storage) for our client. This is a permanent position, remote! Our...
1 day ago in KitjobReport -
Senior Systems Administrator – WebSphere (Ottawa)
Kyndryl Ottawa, ON
...servers. Java. ITCAM Your Future at Kyndryl Every position at Kyndryl offers a way forward to grow your career, from Junior System Administrator
3 days ago in KitjobReport -
Senior Systems Administrator – WebSphere / MQ on Mainframe...
WomenTech Network Ottawa, ON
...at Kyndryl offers a way forward to grow your career, from Junior System Administrator to Architect. We have opportunities for Cloud Hyperscalers that you
4 days ago in KitjobReport -
Senior Business Systems Analyst - CMMS Administrator...
new CBRE Toronto, ON
Senior Business Systems Analyst. CMMS Administrator Job ID 255081 Posted 09-Jan-2026 Service line GWS Segment Role type Full-time Areas of Interest Digital &...
19 h ago in KitjobReport -
Senior Top Secret Cleared Systems Administrator 15+ Years...
new S.i. Systems Ottawa, ON
Our Public Sector Client is looking for a Senior Top Secret Cleared Systems Administrator (10+ years) with extensive experience in Linux/Unix enterprise...
1 day ago in KitjobReport
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