Network administrator jobs in Toronto, ON and nearby

Within 25 km

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Added 6 days ago
SC
Network Technician
SPECBAND COMMUNICATIONS LTD
Toronto, ON
- Full-time
…technicians on demand. Services include Smart Hands and SLA support, network installations and troubleshooting, structured cabling, and fiber and copper infrastructure. SpecBand also…
Added 6 days ago
SS
IT Support and Systems Administrator - Tier 1
Securiguard Services Ltd.
Toronto, ON
- Full-time
Securiguard is seeking a detail-oriented and technically skilled IT Support & Systems Administrator (Tier 1) to join our team in Ontario. This role is responsible for providing first-level…
Added 7 days ago
Systems Administrator-GCGCON
Great Canadian Entertainment
Toronto, ON
Under the general direction of the Manager, Systems and Infrastructure, the Systems Administrator is responsible for the implementation, administration, maintenance, monitoring, and support…
Added 7 days ago
MP
Systems Administrator
Michael Page
Toronto, ON
- $40 to $50 CAD / hour
- Contract
The Systems Administrator is responsible for maintaining, supporting, and optimizing the organization's IT infrastructure to ensure reliable business operations. This role provides…
Added 7 days ago
MP
Senior Yardi System Administrator
Michael Page
Mississauga, ON
- $100,000 to $120,000 CAD / year
- Full-time
The Senior Yardi System Administrator will provide technical and business support for Chartwell's ERP applications, with a strong focus on Yardi Maintenance IQ, system administration,…
Added 7 days ago
CG
IT Systems Administrator
Canada Guaranty
Toronto, ON
- $105,000 to $115,000 CAD / year
- Full-time
The IT Systems Administrator is responsible for the daily administration, maintenance, security and reliability of Canada Guaranty’s Linux and Windows server environments and the…
Added 7 days ago
A
Network Administrator
Akkodis
Toronto, ON
- $110,000 to $114,000 CAD / year
- Full-time
We are seeking a Network Administrator (P4) to support the operation, maintenance, monitoring, and troubleshooting of enterprise network infrastructure. This role works closely with network…
Added 8 days ago
CI
System Administrator
Compugen Inc
Toronto, ON
- Full-time
The System Administrator, Server & Citrix Support is responsible for the administration, maintenance, and support of enterprise server infrastructure and Citrix environments. This role…
Added 8 days ago
P/
Network Administrator
PrecisionERP / PrecisionIT
Toronto, ON
- Full-time
CCNA certification required
Added 8 days ago
PC
IT Intern (Engineering) – Junior Systems Administrator (Azure / Microsoft 365)
Pathway Communications
Markham, ON
- Internship
Required Skills (Must Have)
Added 11 days ago
DI
System Administrator
Dawn InfoTek
Toronto, ON
- Contract
Location: Scarborough, ON (Hybrid – 3 days per week in the office) · Must Have Skills:
Added 11 days ago
RL
System Administrator
Resource Label Group
Toronto, ON
- Full-time
The Systems Administrator is the primary IT presence at their assigned site(s). They are responsible for day-to-day infrastructure operations, resolving L3 escalations from the MSP, and…
Added 11 days ago
Network Administrator
Cyclic Materials Inc.
Toronto, ON
As the Network Administrator, you will be responsible for the operation, security, and continuous improvement of our enterprise network infrastructure, spanning on-premises environments and…
Added 11 days ago
IS
IT Systems Administrator
INA Solution
Markham, ON
- $65,000 to $75,000 CAD / year
- Full-time
Our client is seeking a hands-on IT Systems Administrator to manage and maintain internal IT systems, network infrastructure, Microsoft 365, and business applications. The ideal candidate…
Added 11 days ago
CM
Network Administrator
Cyclic Materials
Toronto, ON
- Full-time
As the Network Administrator, you will be responsible for the operation, security, and continuous improvement of our enterprise network infrastructure, spanning on-premises environments and…
Added 11 days ago
DI
System Administrator
Dawn InfoTek
Toronto, ON
- Contract
Location: Scarborough, ON (Hybrid – 3 days per week in the office) · Must Have Skills:
Added 12 days ago
TC
Linux System Administrator
Tata Consultancy Services
Toronto, ON
- $100,000 to $120,000 CAD / year
- Full-time
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…
Added 12 days ago
TC
Linux System Administrator
Tata Consultancy Services
Toronto, ON
- $90,000 to $100,000 CAD / year
- Full-time
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…
Added 12 days ago
GS
Senior Systems Administrator
Gertex Solutions
Toronto, ON
- Full-time
Manage the Ubiquiti UniFi network environment: switching, wireless, routing, and VPN - reviewing health and applying updates on a weekly to monthly cadence.
Added 12 days ago
CR
Senior System Administrator ERP (Yardi)
Chartwell Retirement Residences
Mississauga, ON
- $115,000 to $120,000 CAD / year
- Full-time
The Senior Systems Administrator, ERP is a trusted and valued resource for all Chartwell ERP end-users and possesses a superior customer service mindset. Equally important is their strict…
Added 12 days ago
SV
Senior Systems Administrator
SPIN VFX
Toronto, ON
- Full-time
…who owns provisioning and configuration tooling and a Systems Administrator who carries day-to-day fleet…
Added 12 days ago
TI
System Administrator
TekStaff IT Solutions
Toronto, ON
- Contract
Candidate Requirements/Must Have Skills:
Added 13 days ago
B
Systems Administrator - (Windows and Unix-Linux environments/ Automation/ AWS)
BMO
Toronto, ON
- Full-time
Strong experience as a Dual System Administrator supporting both Windows Server and Unix/Linux operating systems.
Added 13 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 13 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…

ICES Central

Senior System Administrator

Toronto, ON, M4N 3M5, Canada

The annual salary range for this role is $90,000 - $95,000. · Full-time · Temporary

Apply on ices.bamboohr.com About employer

Applications open in a new tab.

Job details

Pay: The annual salary range for this role is $90,000 - $95,000.
Job type: Full-time · Temporary
Experience: 5 years Linux administration, and 3 years HPC support experience.
Posting language: English
Posted: Oct 7, 2026

Original job description

Data. Discovery. Better Health.

ICES is a world-leading health research and analytics institute. With a wealth of data and analytic expertise, we create trusted evidence that has changed health policy and practice and helps ensure better health for all.

Ready to discover more with us? Join our outstanding, collaborative team where your skills, knowledge and curiosity are valued and can change the future of health care.

At ICES, we recognize what matters most to our employees. Some of the great benefits of working at ICES include:

Flexible work arrangements
Competitive Compensation
Comprehensive Benefits Program
HOOPP Pension Plan (Defined Pension)
Employee Assistance Program and Dialogue Well Being Program
Generous vacation, float and caregiver days for all employees
Education Fund and Dedicated Education Days
Holiday Closure
Perkopolis Employee Discount Program

Introduction:

ICES is seeking a Senior System Administrator to join our Technology department. The Senior System Administrator is responsible for building, maintaining, and supporting Information Technology (IT) infrastructure and systems to ensure optimal performance and reliability. Reporting to the Senior Manager of IT Infrastructure & Operations, this position plays a critical role in managing the organization's technology environment, enabling efficient operations and supporting the overall strategic goals of the organization. By implementing best practices in system administration, the Senior System Administrator contributes to the stability and security of IT services, ultimately enhancing productivity and user satisfaction.

Responsibilities of the position include, but may not be limited to:

Technical Support for IT Infrastructure:

Provide technical support for High-Performance Computing (HPC) infrastructure and Linux-based systems by utilizing advanced troubleshooting skills and industry knowledge to resolve issues and ensure optimal performance. This includes administering and maintaining HPC cluster environments, including compute, login, and management nodes, while collaborating with IT team members, researchers, analysts, and data scientists to support research and analytics platforms, including Anaconda Python/R environments, Posit Workbench, SAS Grid, and SAS Data Quality Services (DQS) servers;
Provide technical support to on-prem and Azure-hosted IT infrastructure and systems by utilizing advanced troubleshooting skills and industry knowledge to resolve issues and ensure optimal performance. This includes configuring servers and managing network settings, collaborating with IT team members to assess infrastructure needs and implement solutions that enhance system performance and security;
Work with documentation and monitoring tools to maintain accurate records of system configurations and changes. This ensures that all technical support aligns with organizational goals and facilitates efficient communication among team members regarding infrastructure status and updates.

Operational Activities Management:

Perform day-to-day operational activities, including Linux server administration, RHEL patching and upgrades, backup and recovery, infrastructure maintenance, and data center operations by following established protocols and best practices. This includes managing Red Hat Satellite and Red Hat Insights to support system provisioning, lifecycle management, compliance reporting, configuration management, patch management, vulnerability remediation, and system health monitoring;
Configure and support the Slurm Workload Manager job scheduling environment to ensure efficient workload execution, resource allocation, and system utilization.
Utilize GitLab repositories for version control, change management, testing, and deployment of infrastructure-as-code and automation workflows, ensuring adherence to established development and operational standards;
Perform day-to-day operational activities, including server building and administration, system patching and upgrades, backup and recovery, and data center management by following established protocols and best practices. Utilize monitoring software to proactively track system performance and availability, responding swiftly to any issues that arise to minimize downtime;
Collaborate with other IT staff to coordinate maintenance schedules and ensure that all systems are secure, up-to-date, and functioning efficiently. This involves using project management tools to track operational tasks and ensure timely completion of maintenance activities.

System Monitoring and Troubleshooting:

Proactively monitor system logs and performance by using analytical skills and monitoring software to identify potential issues before they escalate. This involves troubleshooting and identifying root causes of problems by analyzing system data and logs, developing and implementing technical resolutions for systems hosted on the data center and public Cloud;
Document findings and solutions to enhance the knowledge base and improve future troubleshooting efforts. This ensures that all team members have access to relevant information and best practices, facilitating continuous improvement in system management.

Collaboration on System Architecture:

Participate in and provide input to system architecture design, planning, and implementation of new systems by collaborating with cross-functional teams, including developers and project managers. Assess current infrastructure capabilities and recommend enhancements that align with business needs by utilizing knowledge of emerging technologies and industry trends.

Mentorship and Guidance:

Provide mentorship to the IT infrastructure & operations team by offering guidance and support in technical functions, fostering professional development through regular feedback sessions and access to training resources;
Assist in departmental projects and initiatives as required by utilizing leadership skills to promote collaboration and alignment with strategic goals, while engaging with cross-functional teams to leverage diverse expertise;
Foster a culture of continuous improvement by identifying training needs and organizing professional development opportunities for team members, ensuring relevance and effectiveness by utilizing assessment tools and feedback mechanisms.

Other:

Other duties as may be assigned within the scope of this position.

Knowledge, skills, and abilities:

Minimum Required Education, Years of Experience, and Certifications/Professional Designations:

Bachelor’s degree in computer sciences or equivalent.
years progressive system administration experience.
5 years Linux administration, and 3 years HPC support experience.
Experience supporting High-Performance Computing environments within academic, healthcare research, scientific research, or other research-intensive organizations
IT industry certification required such as Red Hat Certified Engineer (RHCE), Red Hat Certified System Administrator (RHCSA), Red Hat Certified Specialist in Ansible Automation, Linux Foundation Certifications
Experience with Windows Server and Microsoft Azure administration and deployment
Microsoft certifications

Minimum Required Position-Specific Knowledge and Technical Skills:

Strong working experience with RHEL, Ansible Automation Platform, Red Hat Satellite/Insights, GitLab, Slurm, Anaconda Python/R, Posit Workbench, SAS Grid, SAS DQS, Bash/Python scripting, Citrix, NetApp, UCS, VMware.
Solid understanding and knowledge of Cybersecurity.
Ability to provide guidance to Help Desk resources, ensuring that support staff are equipped with the necessary knowledge and tools to resolve technical issues effectively and efficiently.
Strong documentation skills, enabling the creation and maintenance of clear, concise technical procedures, policies, and standard processes related to on-prem and cloud infrastructure.
Excellent troubleshooting and problem-solving skills, allowing for the identification and resolution of complex technical issues in a timely manner, minimizing downtime and maintaining system reliability.

Preferred Position-Specific Knowledge and Technical Skills:

Ability to effectively prioritize and execute tasks/projects in a high-pressure environment, demonstrating resilience and focus while managing multiple responsibilities.
Strong communication and customer service skills, facilitating effective collaboration with team members and partners and ensuring that technical information is conveyed clearly to non-technical audiences.

This full-time, 12-month contract, opportunity is for an existing vacancy at ICES Central. The annual salary range for this role is $90,000 - $95,000.

Security clearance may be required.

Interested candidates should submit their resume and cover letter detailing how their knowledge, skills and abilities match the scope of this position.

ICES is committed to ensuring equity in employment. Our goal is to attract, develop, and retain highly talented employees from diverse backgrounds allowing us to benefit from a wide variety of experiences and perspectives. ICES strongly encourages applications from candidates from equity-deserving communities including but not limited to First Nations, Métis, Inuit, Black and racialized, 2SLGBTQIA+, and persons with visible and non-visible disabilities.

ICES is committed to providing accessible employment practices, in compliance with the Accessibility for Ontarians with Disabilities Act, 2005 (AODA). Applicants are asked to make accommodation requests to ICES and we will make every effort to ensure that accommodation requests are met throughout the recruitment process.

We thank all applicants for their interest in working at ICES. Due to the volume of applications received, only applicants being considered for the position will be contacted for further discussions.

Apply on ices.bamboohr.com About employer

More about this job

Responsibilities

The Senior System Administrator is responsible for building, maintaining, and supporting IT infrastructure, including High-Performance Computing (HPC) and Linux-based systems. They will perform operational activities such as server administration, patching, backup management, and collaborate on system architecture design and team mentorship.

Requirements

Candidates must have a bachelor's degree in computer science or equivalent, along with at least 5 years of Linux administration and 3 years of HPC support experience. Required certifications include Red Hat Certified Engineer (RHCE) or similar Linux Foundation credentials, with strong proficiency in RHEL, Ansible, and scripting.

Skills

Linux administration
HPC support
RHEL
Ansible automation platform
Red Hat satellite
GitLab
Slurm workload manager
Python scripting
Bash scripting
Microsoft Azure
Cybersecurity
Troubleshooting
System monitoring
Infrastructure management
Technical documentation
Mentorship

Benefits

Flexible work arrangements
Competitive compensation
HOOPP pension plan
Employee assistance program
Dialogue well being program
Generous vacation
Float and caregiver days
Education fund
Dedicated education days
Holiday closure
Perkopolis employee discount program

Visa sponsorship

Not detected in the job text

Keywords

System administration
HPC
Linux
RHEL
Ansible
Red Hat Satellite
GitLab
Slurm
Python
Bash
Azure
Cybersecurity
NetApp
VMware
Citrix
SAS Grid
Anaconda
Posit Workbench
Infrastructure-as-code
Automation
Cloud computing
Data center operations
RHCE
RHCSA
High-performance computing
System provisioning
Vulnerability remediation
Version control
Technical support
Project management

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