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Windows Server Administrator

  • Calgary, AB
  • Hybrid
  • Posted Sep 18, 2026
  • 1 position

Opens an external site

Employment type
Contract
Experience level
Lead · 10+ years
Minimum education
Professional degree
Apply by
Oct 11, 2026
Posting language
English
Working hours
40 hours per week
Seniority
Mid-Senior level
Application method
Direct apply is available

Job summary

The role focuses on planning and executing Windows Server upgrades and infrastructure modernization projects. Responsibilities include administering VMware environments and managing Active Directory, DNS, and DHCP services.

Job details

Job Title: Server Administrator Location: Calgary, AB – Hybrid Employment Type: Contract Job Description We are seeking experienced Senior Server Administrators to support server upgrade and infrastructure modernization project. The role involves planning, upgrading, troubleshooting, and validating enterprise Windows Server environments along with VMware and Active Directory infrastructure. Candidates must be comfortable working onsite, coordinating with multiple technical teams, and supporting critical production systems. Key Responsibilities • Perform Windows Server upgrades and migrations (2012/2016/2019 to newer versions). • Administer and support VMware vSphere, ESXi, and vCenter environments. • Manage Active Directory, DNS, DHCP, Group Policies, and related services. • Execute server patching, health checks, and performance validation activities. • Coordinate with Network, Security, Database, and Application teams during upgrade activities. • Perform backup, restoration, and disaster recovery validation. • Troubleshoot server, virtualization, storage, and operating system issues. • Document configurations, procedures, risks, and upgrade outcomes. • Support after-hours maintenance windows and project cutover activities. • Ensure compliance with security and operational standards. Required Skills & Experience • 8+ years of Windows Server Administration experience. • Strong experience with VMware vSphere, ESXi, vCenter, HA, DRS, and vMotion. • Strong Active Directory administration experience. • Experience with Windows Server 2012, 2016, 2019, and 2022. • Experience with PowerShell scripting and automation. • Strong troubleshooting and root cause analysis skills. • Experience supporting enterprise-scale infrastructure environments. • Excellent communication and documentation skills. Preferred Qualifications • VMware VCP Certification. • Microsoft Windows Server Certifications. • Experience with Nutanix, Azure, or AWS. • Experience in large infrastructure upgrade or migration projects.

What you’ll do

The role focuses on planning and executing Windows Server upgrades and infrastructure modernization projects. Responsibilities include administering VMware environments and managing Active Directory, DNS, and DHCP services.

Requirements

Candidates need over 8 years of experience in Windows Server and VMware administration, including proficiency with PowerShell scripting. Experience with enterprise-scale infrastructure and strong troubleshooting skills are required.

Listed skills

  • DHCP · Preferred
  • Active Directory · Preferred
  • DNS · Preferred
  • Root Cause Analysis · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • Windows Server Administration
  • VMware vSphere
  • Active Directory
  • ESXi
  • vCenter
  • PowerShell
  • DNS
  • DHCP
  • Group Policy
  • Server Migration
  • Disaster Recovery
  • Root Cause Analysis
  • Infrastructure Modernization
  • Patch Management
  • vMotion
  • HA/DRS

Job areas

  • Technology
  • Consulting
  • Software

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