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Added 2 mins ago
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Senior Financial Analyst
Fasken
Toronto, ON · Ottawa, ON · Montreal, QC · Quebec, QC · Vancouver, BC · AB · Surrey, BC · Calgary, AB · Tsuut'ina, AB
- Full-time
Reporting to the Manager, Finance, the Senior Financial Analyst (also referred to as “SFA”) is responsible for coordinating and performing complex tax compliance, reporting, and analytical…
Added 2 mins ago
R
Talent Attractor
Relay
Remote, Canada
- Full-time
- Remote
AI-Driven Scale: Leverage AI and automation tools to scale sourcing, outreach, and research without sacrificing personalization
Added 12 mins ago
E
FP&A senior analyst - Close to Downtown Montreal
Exceleris
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
Relevant du Responsable FP&A, l’Analyste senior FP&A soutient les processus de budget, prévisions et planification financière dans un environnement multi-entités et multi-devises. Le rôle…
Added 12 mins ago
HD
Databricks Engineer
Hire DigITalent Inc.
Toronto, ON · Greater Toronto Area, Canada
- $90 to $110 CAD / hour
- Contract
…marketing and promotions. The project team needs a seasoned Senior Data Engineer to help lead the charge, stabilize key deliverables, and guide our technical strategy. This is a critical…
Added 12 mins ago
CI
Senior Financial Analyst- Hybrid
Compugen Inc
Richmond Hill, ON
- Full-time
Reporting to the Director, Services Financial Planning, the purpose of the Senior Financial Analyst is to ensure that financial controls and processes are maintained and transactions are…
Added 12 mins ago
M
Gestionnaire des services TI / IT Service Manager
mthree
Montreal, QC
- Full-time
Added 14 mins ago
CL
Senior AI Engineer
Charger Logistics Inc.
Brampton, ON
- Full-time
Build multi-agent workflows using orchestration frameworks and agent-to-agent communication protocols for complex logistics automation.
Added 14 mins ago
LC
Senior Analyst, Financial Systems
Loblaw Companies Limited
Brampton, ON
- Full-time
We are looking for a driven, analytical, and systems-savvy Senior Analyst with a strong foundation in Finance and financial systems to join our (FSPD) Financial Systems & Process…
Added 14 mins ago
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Senior Full Stack Developer (Angular & Java)
Cognizant
Toronto, ON
- $68,422 to $114,000 CAD / year
- Full-time
We are seeking a highly skilled Senior Full Stack Developer (Angular & Java) to join our Digital Engineering team. In this role, you will design, develop, and support scalable enterprise…
Added 14 mins ago
NS
Senior QA Automation Engineer – Contact Center / IVR
N2P Systems
Toronto, ON
- Full-time
…with strong expertise in Contact Center platforms, IVR/Routing automation, and test automation. The ideal candidate will have hands-on experience with tools such as Cyara, Hammer, Selenium,…
Added 14 mins ago
S
Senior Specialist, IT Operations (Service Management)
SaskPower
Regina, SK
- Full-time
We are seeking an experienced Senior ServiceNow Specialist to lead the administration, enhancement, integration, and ongoing implementation of the ServiceNow platform. This role will serve…
Added 16 mins ago
Developer 3
Symcor
Mississauga, ON
The Senior Developer is responsible for guiding the technical direction of projects and ensuring the successful implementation of technology solutions. This is a hands-on development role…
Added 16 mins ago
JH
Business Development Manager
John Henry Foster Minnesota, Inc.
Winnipeg, MB
- Full-time
About Tavoron: Tavoron is a leading industrial automation company providing automation, robotics, and compressed air solutions that help manufacturers improve efficiency, quality, and…
Added 31 mins ago
T
Manager, Engineering – Easy Apply & Digital Onboarding Platform
TD
Toronto, ON
- Full-time
Communicate delivery progress, risks, dependencies, and outcomes to senior leadership.
Added 31 mins ago
SL
Director, Domain Enterprise Architect, RPA and Intelligent Automation
Sun Life
Toronto, ON · Waterloo, ON · Montreal, QC · Sun Life Toronto One York
- Full-time
…Director, Domain Enterprise Architect, RPA and Intelligent Automation leads the architecture for Sun Life’s Intelligent Automation…
Added 31 mins ago
MU
Web Application Specialist
McGill University
Canada
- Full-time
Setup and maintain automation tools for testing, continuous integration & delivery
Added 31 mins ago
AG
VP of Operations
Apex Group Ltd
Winnipeg, MB
- Full-time
…opportunities to improve efficiency through process redesign and automation. The Senior Manager will also serve as a senior point of contact for clients, internal stakeholders, technology…
Added 42 mins ago
AI
Pega Lead Business Architect (LBA)
Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Mississauga, ON
- Full-time
Exposure to Pega BIX, Pega Survey, and Robotic Process Automation is preferred.
Added 44 mins ago
HC
Senior Platform Administrator (Salesforce) - ITS - FT Support
Humber College
Toronto, ON
- Full-time
Position Title: Senior Platform Administrator - Salesforce
Added 44 mins ago
MV
*Senior Project Engineer
Metro Vancouver
Burnaby, BC
- Full-time
Our Water Services Department is seeking a *Senior Project Engineer who will be responsible for providing controls and automation programming, technical support, electrical and…
Added 44 mins ago
NS
Pega Technical Architect
N2P Systems
Mississauga, ON
- Full-time
Pega Certified Senior System Architect (PSSA)
Added 44 mins ago
BP
Senior Production Engineer Scheduling
BNP Paribas
Montreal, QC
- Full-time
Reporting locally to the Head of Automation Services in AMER and functionally to the Global Head of Automation Services in EMEA, the production Engineer will be accountable for the…
Added 46 mins ago
D
Senior Analyst, Media Effectiveness
dentsu
Toronto, ON
- Full-time
The Senior Analyst, Media Effectiveness is responsible for measuring and evaluating media performance, delivering actionable insights, and supporting data-driven decision-making across…
Added 46 mins ago
Senior Manager, Azure Cloud Engineering
BMO
Toronto, ON · BMOPLACE
As a Senior Manager Azure Platform Engineering, you will play a hands‑on engineering role within BMO’s Azure cloud ecosystem. You will be responsible for designing, building, and operating…
Added 46 mins ago
TM
Manager - Business Technology/Directeur, Système de gestion
The Maples Group (Financial Services)
Montreal, QC
- Full-time
The Manager – Business Technology reports to the Senior Manager – Business Technology and is responsible for a team of business systems analysts that define the business systems strategy…

OnX

Sr. Engineer System administrator

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 5, 2026
Posting language: English
Posted: Oct 6, 2026

Original job description

OnX is a leading Canadian technology solutions provider helping organizations modernize, secure, and optimize their IT environments. We partner with clients across industries to deliver innovative infrastructure, cloud, security, and managed services solutions that drive business success.

We are seeking a highly skilled Senior Systems Administrator to join our Infrastructure Services team. This role is ideal for a hands-on technical professional who thrives in complex enterprise environments and enjoys managing mission-critical server infrastructure across Windows, Linux, and cloud platforms.

What You'll Do

As a Senior Systems Administrator, you will be responsible for maintaining, optimizing, and securing enterprise server environments while ensuring the highest levels of performance, availability, and compliance.

Key Responsibilities

Administer and support enterprise Windows and Linux server environments.
Perform operating system installation, configuration, patching, upgrades, and lifecycle management.
Monitor system health, performance, and availability, proactively identifying and resolving issues.
Implement infrastructure improvements that enhance scalability, resiliency, and operational efficiency.
Manage enterprise security baselines, vulnerability remediation efforts, and system hardening activities.
Support cloud-based infrastructure across AWS and Microsoft Azure environments.
Automate operational processes using scripting and automation tools.
Collaborate with networking, security, application, and cloud teams to deliver integrated technology solutions.
Perform capacity planning and growth forecasting for server and compute environments.
Maintain technical documentation, operational procedures, and knowledge articles.
Mentor junior team members and provide technical guidance on infrastructure best practices.

Required Qualifications

Education

Bachelor's degree in Computer Science, Information Technology, Engineering, Telecommunications, or a related technical discipline.

Experience

6+ years of overall IT infrastructure experience.
5+ years of hands-on systems administration experience in enterprise environments.

Technical Skills

Required

Linux Administration
Windows Server Administration (Wintel)
Unix Administration
Infrastructure Monitoring and Troubleshooting
Operating System Patching and Maintenance
Performance Optimization
Security Hardening and Compliance
Server Lifecycle Management

Preferred

AWS Administration
Microsoft Azure Administration
Citrix XenServer
Sun Solaris
AS/400
WSUS
Python
Bash Scripting
PowerShell

Desired Competencies

Infrastructure Provisioning & Configuration Management
Performance Monitoring & Optimization
Virtualization Technologies
Automation & Scripting
Security & Compliance Management
Capacity Planning & Resource Management
Strong Problem-Solving Skills
Effective Communication
Ownership and Accountability
Collaboration and Teamwork
Customer-Focused Mindset

Success Measures

In this role, success will be measured through:

Infrastructure uptime and SLA achievement
Reduced incident resolution times (MTTR)
Security compliance and vulnerability remediation performance
Increased automation and operational efficiency
Adherence to infrastructure standards and governance practices

Why Join OnX?

Work with modern infrastructure and cloud technologies.
Collaborate with experienced technology professionals across Canada.
Gain exposure to enterprise-scale environments and strategic initiatives.
Competitive compensation and benefits package.
Professional development and certification support.
Flexible work options depending on role requirements.

CAD $62,000 – $82,000 base salary (not including bonus or commission)

The compensation range in this posting reflects the Company’s good‑faith estimate at the time of publication. The applicable base pay range for any individual will be determined based on the candidate’s designated primary work location as well as factors including role scope and responsibilities, required qualifications, and the individual’s experience, education, skills, knowledge, and performance. Certain positions may also be eligible for additional compensation such as discretionary merit increases, bonuses, or sales‑based variable compensation in accordance with applicable plans and role requirements.

Diversity & Inclusion

OnX is an equal opportunity employer committed to creating an inclusive environment for all employees. We celebrate diversity and are dedicated to fostering a workplace where everyone can thrive regardless of race, religion, gender, age, disability, sexual orientation, or any other protected characteristic.

Apply About employer

More about this job

Responsibilities

Administer, maintain, secure, and optimize enterprise Windows and Linux server environments, including operating system lifecycle management, monitoring, troubleshooting, and cloud infrastructure support across AWS and Azure. Improve infrastructure resilience and efficiency through automation, capacity planning, documentation, cross-team collaboration, and mentoring junior team members.

Requirements

Requires a bachelor's degree in Computer Science, Information Technology, Engineering, Telecommunications, or a related technical discipline, along with at least six years of overall IT infrastructure experience. Candidates must have at least five years of hands-on enterprise systems administration experience and skills in Linux, Windows Server, Unix, monitoring, patching, performance optimization, security, and server lifecycle management.

Skills

Linux Administration
Windows Server Administration
Unix Administration
Infrastructure Monitoring
Troubleshooting
Operating System Patching
Performance Optimization
Security Hardening
Compliance Management
Server Lifecycle Management
AWS Administration
Citrix XenServer
Sun Solaris
Python
PowerShell

Benefits

Professional Development Support
Certification Support
Flexible Work Options

Visa sponsorship

Not detected in the job text

Keywords

Linux
Windows Server
Unix
AWS
Microsoft Azure
Citrix XenServer
Sun Solaris
AS/400
WSUS
Python
Bash
PowerShell
Infrastructure Monitoring
Troubleshooting
Operating System Patching
Performance Optimization
Security Hardening
Compliance
Server Lifecycle Management
Infrastructure Provisioning
Configuration Management
Virtualization
Automation
Capacity Planning
Vulnerability Remediation
Enterprise Infrastructure
Cloud Infrastructure
Incident Resolution
Service Level Agreements
Technical Documentation

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