Senior Systems Administrator

 

Description:

We are seeking a Senior Systems Administrator with strong expertise in Azure, Hyper-V or Azure Stack HCI, and automation using PowerShell or Ansible. This role will provide technical leadership in designing, implementing, and maintaining modern infrastructure solutions across hybrid environments. The ideal candidate will have hands-on experience in Windows Server administration, virtualization, and cloud technologies, with a focus on automation and operational excellence.

Key Responsibilities:
 

  • Administer and maintain Windows Server environments, including patching, performance tuning, and troubleshooting.
  • Design and implement virtualization solutions using Hyper-V or Azure Stack HCI.
  • Manage and support Azure infrastructure, including compute, networking, and storage services.
  • Develop and maintain automation scripts using PowerShell or Ansible for infrastructure provisioning and configuration.
  • Monitor system performance, availability, and reliability across hybrid environments.
  • Collaborate with cross-functional teams to implement secure and scalable infrastructure solutions.
  • Participate in migration projects from legacy systems to modern platforms (e.g., Win2k8 to Win2016/2019/2022).
  • Ensure compliance with security and governance standards.
  • Provide technical guidance and mentorship to junior team members.

     

Minimum Qualifications
 

  • Typically requires 7+ years of relevant professional experience in systems administration.

     

Critical Skills:
 

  • Strong expertise in Windows Server administration.
  • Hands-on experience with Azure services and Hyper-V or Azure Stack HCI.
  • Strong scripting and automation skills using PowerShell or Ansible.
  • Experience with infrastructure monitoring and auditing tools.
  • Experience with monitoring tools and patch management systems.
  • Solid understanding of networking concepts (DNS, TCP/IP, firewalls).

Organization McKesson
Industry IT / Telecom / Software Jobs
Occupational Category Senior Systems Administrator
Job Location Mississauga,Canada
Shift Type Morning
Job Type Full Time
Gender No Preference
Career Level Experienced Professional
Experience 7 Years
Posted at 2026-03-31 6:11 pm
Expires on 2026-05-15