It System Administrator Jobs in Toronto
Create alert for “IT System Administrator”
Toronto
IT System Administrator
Toronto
about 6 hours ago
CA$43,923 - CA$80,310/yearly
Top Benefits
Unlimited Vacation
Comprehensive Health Coverage
IT System Administrator
Toronto
about 6 hours ago
CA$43,923 - CA$80,310/yearly
Top Benefits
Unlimited Vacation
Comprehensive Health Coverage
Systems & Network Administrator
Toronto, Ontario
7 days ago
CA$58,924 - CA$73,655/yearly
Systems & Network Administrator
Toronto, Ontario
7 days ago
CA$58,924 - CA$73,655/yearly
System Access Administrator
Toronto, ON
4 days ago
CA$55,000 - CA$65,000/annually
Hybrid
Top Benefits
Competitive compensation package
Health, dental, and insurance coverage
System Access Administrator
Toronto, ON
4 days ago
CA$55,000 - CA$65,000/annually
Hybrid
Top Benefits
Competitive compensation package
Health, dental, and insurance coverage
IBM Mainframe Administrator
Toronto, Ontario
20 days ago
$95,000 - $145,000/annual
Hybrid
IBM Mainframe Administrator
Toronto, Ontario
20 days ago
$95,000 - $145,000/annual
Hybrid
IT Systems Administrator
Toronto, Ontario
7 days ago
IT Systems Administrator
Toronto, Ontario
7 days ago
Junior IT Administrator
Toronto
2 days ago
Top Benefits
Full health benefits
RRSP matching
Junior IT Administrator
Toronto
2 days ago
Top Benefits
Full health benefits
RRSP matching
Mainframe z/OS System Administrator/Programmer
Toronto, Ontario
7 days ago
Mainframe z/OS System Administrator/Programmer
Toronto, Ontario
7 days ago
System Access Administrator
Toronto
4 days ago
CA$55,000 - CA$65,000/annually
Top Benefits
Competitive compensation package
Health, dental, and insurance coverage
System Access Administrator
Toronto
4 days ago
CA$55,000 - CA$65,000/annually
Top Benefits
Competitive compensation package
Health, dental, and insurance coverage
Strategic Meeting Manager System Administrator
Toronto, Ontario
7 days ago
$56,000 - $103,500/annual
Top Benefits
Health insurance
Tuition reimbursement
Strategic Meeting Manager System Administrator
Toronto, Ontario
7 days ago
$56,000 - $103,500/annual
Top Benefits
Health insurance
Tuition reimbursement
Regional Administrator
Toronto, ON
4 days ago
CA$55,000 - CA$60,000/annually
Hybrid
Top Benefits
Flexible benefits for health and wellbeing
Generous time‑off policies
Regional Administrator
Toronto, ON
4 days ago
CA$55,000 - CA$60,000/annually
Hybrid
Top Benefits
Flexible benefits for health and wellbeing
Generous time‑off policies
IT Support Technician
Toronto, Ontario
7 days ago
CA$53,400 - CA$66,700/year
IT Support Technician
Toronto, Ontario
7 days ago
CA$53,400 - CA$66,700/year
Contracting Administrator (10-month contract)
Toronto, ON
21 days ago
$43,000 - $63,000/annual
Hybrid
Contracting Administrator (10-month contract)
Toronto, ON
21 days ago
$43,000 - $63,000/annual
Hybrid
Office Administrator/Receptionist - In-Office, Toronto (Canada)
Toronto, Ontario
7 days ago
Top Benefits
Financial support for professional development ...
Office Administrator/Receptionist - In-Office, Toronto (Canada)
Toronto, Ontario
7 days ago
Top Benefits
Financial support for professional development ...
Senior Administrator, Physician Health Program
Toronto, Ontario
21 days ago
CA$54,965 - CA$58,400/annual
Top Benefits
Competitive salary $54,965-$58,400
Pension plan and bonus program
Senior Administrator, Physician Health Program
Toronto, Ontario
21 days ago
CA$54,965 - CA$58,400/annual
Top Benefits
Competitive salary $54,965-$58,400
Pension plan and bonus program
After Hours Site Administrator - Professional Practice Office
Toronto, Ontario
5 days ago
$110,020 - $137,526/per year
Top Benefits
HOOPP defined benefit pension plan
Extended health and dental benefits
After Hours Site Administrator - Professional Practice Office
Toronto, Ontario
5 days ago
$110,020 - $137,526/per year
Top Benefits
HOOPP defined benefit pension plan
Extended health and dental benefits
Security Administrator Co-op
Toronto, Ontario
7 days ago
$21 - $30/hour
Hybrid
Security Administrator Co-op
Toronto, Ontario
7 days ago
$21 - $30/hour
Hybrid
SAP Tool Admin/Developer
Toronto, Ontario
7 days ago
Hybrid
SAP Tool Admin/Developer
Toronto, Ontario
7 days ago
Hybrid
Dental Administrator - 10744 - Toronto, ON
Toronto, ON
21 days ago
Dental Administrator - 10744 - Toronto, ON
Toronto, ON
21 days ago
Financial Centre Administrator- North York
Toronto, Ontario
6 days ago
CA$46,900 - CA$66,300/annual
Financial Centre Administrator- North York
Toronto, Ontario
6 days ago
CA$46,900 - CA$66,300/annual
Commercial Property Administrator
Toronto, Ontario
7 days ago
$50,000 - $55,000/year
Commercial Property Administrator
Toronto, Ontario
7 days ago
$50,000 - $55,000/year
IT System Administrator
Toronto
CA$43,923 - CA$80,310/yearly
Mid Level
Top Benefits
Unlimited Vacation
Comprehensive Health Coverage
Stock Options
About the role
Who you are
- Experience: At least 4 years in systems administration, infrastructure, or internal IT operations roles
- Operating Systems: Strong experience administering Linux systems in a production environment, alongside working experience supporting Windows environments
- Infrastructure & Networking: Solid understanding of server administration, system troubleshooting, monitoring, and core networking concepts (TCP/IP, DNS, DHCP, routing, firewalls, VPNs)
- Microsoft 365: Hands-on experience administering M365 environments, including Entra ID and core collaboration/identity services
- Scripting: Experience writing scripts or automations using Bash, Python, PowerShell, or similar languages
- Problem Solving: Proven ability to independently troubleshoot complex technical issues across disparate systems and internal infrastructure
- Soft Skills: Strong documentation habits, excellent communication skills, and a demonstrated ability to learn new tools and platforms quickly
- Experience with AWS infrastructure (EC2, S3, IAM, or related services)
- Familiarity with Infrastructure as Code (IaC) tools such as Terraform or Ansible
- Experience with Docker or containerized environments
- Previous experience administering physical or virtual network devices (switches, firewalls, VPN appliances)
- Experience building automations using APIs and vendor documentation to integrate SaaS platforms with internal systems
What the job involves
- We are looking for a versatile and proactive IT System Administrator to support, maintain, and scale our internal infrastructure and business systems. This role is ideal for a hands-on problem solver with strong Linux and infrastructure fundamentals, solid networking knowledge, and practical experience with Windows and Microsoft 365 environments
- You will focus on day-to-day systems administration, infrastructure reliability, and operational improvements. For a candidate eager to grow, this role offers exciting opportunities to expand into advanced automation, infrastructure as code, and complex SaaS/system integrations
- IT Operations & Support (50%):
- Troubleshoot and resolve escalated infrastructure, systems, and application issues
- Support core IT operations, including employee onboarding/offboarding, access provisioning, and internal system configurations
- Maintain clear, up-to-date technical documentation for infrastructure, procedures, and system changes
- Collaborate closely with engineering and internal teams on technical initiatives
- Systems & Cloud Administration (30%):
- Administer and maintain Linux and Windows server environments supporting core internal services and applications
- Support and manage Microsoft 365 services, including Entra ID (formerly Azure AD), Exchange Online, SharePoint, Teams, and overall access management
- Monitor system health, performance, and reliability, actively identifying areas to improve operational processes
- Networking & Infrastructure (10%):
- Manage and improve internal infrastructure across servers, networking, cloud services, and identity systems
- Administer and troubleshoot network infrastructure, including switches, firewalls, VPNs, DNS, DHCP, and internal connectivity
- Automation & Integrations (10%):
- Develop and maintain scripts (Bash, Python, PowerShell) to improve operational efficiency and eliminate manual toil
- Contribute to system integrations and automation between internal and external platforms as business needs evolve
Benefits
- Unlimited Vacation
- Comprehensive Health Coverage
- Stock Options
- Flexible & Hybrid Work Options
- Professional Development
Not the right fit? Search for IT System Administrator jobs in Toronto
About Kepler Communications Inc.
Telecommunications
51-200
We are delivering on-orbit data at lightspeed with a constellation of satellites designed to act as Internet exchange points for space-to-space data relay.
Headquartered in downtown Toronto, Kepler is vertically integrated with an in-house production facility, designing and deploying a hybrid optical constellation to modernize communications to missions in LEO and beyond.