Sr. Systems Administrator

McKesson View all jobs

  • Mississauga, ON
  • $89,700-149,500 per year
  • Permanent
  • Full-time
  • 16 days ago
McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve – we care.What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patients, our communities, and our people. If you want to be part of tomorrow’s health today, we want to hear from you.Position Summary:We are seeking a Senior Systems/ Windows 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).
Soft Skills:
  • Strong problem-solving and analytical skills.
  • Excellent communication and documentation abilities.
  • Ability to work independently and collaboratively in a team environment.
Preferred Qualifications:
  • Experience with Infrastructure as Code (IaC) and CI/CD pipelines.
  • Familiarity with VMware and hybrid cloud environments.
  • Knowledge of security best practices in cloud and on-prem environments.
  • RESTful API integration experience is a plus.
Other Details
  • Travel: Up to 20%
  • Physical Requirements: General office demands
Education:Bachelor’s degree in Computer Science, Information Technology, or equivalent experience.Working Conditions:In office requirement, we are Flex and Connect with 2 days a week in officeWe are proud to offer a competitive compensation package at McKesson as part of our Total Rewards. This is determined by several factors, including performance, experience and skills, equity, regular job market evaluations, and geographical markets. The pay range shown below is aligned with McKesson's pay philosophy, and pay will always be compliant with any applicable regulations. In addition to base pay, other compensation, such as an annual bonus or long-term incentive opportunities may be offered. For more information regarding benefits at McKesson, pleaseOur Base Pay Range for this position$89,700 - $149,500McKesson has become aware of online recruiting-related scams in which individuals who are not affiliated with or authorized by McKesson are using McKesson’s (or affiliated entities, like CoverMyMeds or RxCrossroads) name in fraudulent emails, job postings or social media messages. In light of these scams, please bear the following in mind:McKesson Talent Advisors will never solicit money or credit card information in connection with a McKesson job application.McKesson Talent Advisors do not communicate with candidates via online chatrooms or using email accounts such as Gmail or Hotmail. Note that McKesson does rely on a virtual assistant (Gia) for certain recruiting-related communications with candidates.McKesson job postings are posted on our career site: .McKesson is an Equal Opportunity EmployerMcKesson provides equal employment opportunities to applicants and employees, without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability, age, genetic information, or any other legally protected category. For additional information on McKesson’s full Equal Employment Opportunity policies, visit our page.McKesson is committed to being an Equal Employment Opportunity Employer and offers opportunities to all job seekers including job seekers with disabilities. If you need a reasonable accommodation to assist with your job search or application for employment, please contact us by sending an email to (United States) or (Canada) . Resumes or CVs submitted to this email box will not be accepted.Join us at McKesson!

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