Senior System Administrator
Toronto, ,
Information Technology
Full Time,
$90000 - $110000
On-site
Other/Non Classified
Toronto, ,
$90000 - $110000
Full Time,
Other/Non Classified
On-site
Information Technology
Job details
A leading enterprise organization is looking for an experienced Systems Administrator III to play a key role in maintaining and evolving a large-scale Microsoft infrastructure that supports critical business services. You’ll be responsible for ensuring the reliability, security, and performance of Windows-based platforms while contributing to ongoing infrastructure modernization, automation, and operational improvements.
Working across virtualized, hybrid, and highly available environments, you’ll partner with technical teams to deliver resilient infrastructure solutions and streamline day-to-day operations. This is an excellent opportunity for a seasoned infrastructure professional who enjoys solving complex technical challenges and driving continuous improvement within a mature enterprise environment.
Required Skills & Experience
- 5+ years of experience administering enterprise Windows Server infrastructure, including Active Directory, DNS, Group Policy, and core Microsoft technologies in production environments.
- Strong experience managing VMware virtual infrastructure, Windows server lifecycle management, system patching, and PowerShell-based automation.
- Demonstrated experience supporting highly available enterprise platforms, troubleshooting complex infrastructure issues, and maintaining secure, reliable production systems.
Desired Skills & Experience
- Experience supporting Microsoft Azure or other hybrid cloud infrastructure.
- Familiarity with configuration management and infrastructure-as-code tools such as Ansible.
- Knowledge of enterprise security standards, compliance frameworks, and infrastructure automation best practices.
Daily Responsibilities
- Hands-On Engineering: 70%
- Team Collaboration & Cross-Functional Work: 30%
You will receive the following benefits:
· Medical, Dental, and Vision Insurance
· Vacation Time
Current Vacancy: Yes
Use of AI in Hiring: No
Applicants must be currently authorized to work in Canada on a full-time basis now and in the future.
Accommodation will be provided in all parts of the hiring process as required under Motion Recruitment’s Employment Accommodation policy. Applicants need to make their needs known in advance.
#LI-AC1
I want more jobs like this in my inbox.
About Kelly
Work changes everything. And at Kelly, we’re obsessed with where it can take you. To us, it’s about more than simply accepting your next job opportunity. It’s the fuel that powers every next step of your life. It’s the ripple effect that changes and improves everything for your family, your community, and the world. Which is why, here at Kelly, we are dedicated to providing you with limitless opportunities to enrich your life—just ask the 300,000 people we employ each year.Kelly is committed to providing equal employment opportunities to all qualified employees and applicants regardless of race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, age, marital status, pregnancy, genetic information, or any other legally protected status, and we take affirmative action to recruit, employ, and advance qualified individuals with disabilities and protected veterans in the workforce. Requests for accommodation related to our application process can be directed to the Kelly Human Resource Knowledge Center. Kelly complies with the requirements of California’s state and local Fair Chance laws. A conviction does not automatically bar individuals from employment. Kelly participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.
Kelly may use AI-powered tools during the recruitment and hiring process. For full details, including how Kelly uses AI, your rights, and how to request a reasonable accommodation, visit the Recruitment Artificial Intelligence Notice.