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Apptoza Inc.

Windows Server Admin

Calgary, AB, Canada

Contract

Apply About employer

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Job details

Job type: Contract
Apply by: Nov 29, 2026
Posting language: English
Posted: Oct 30, 2026

Original job description

Key Responsibilities

· Prepare the selected Windows servers and confirm that prerequisites within the Windows server administration scope are in place.

· Run and validate agreed test cases for Microsoft monthly patches, third-party application patches, vulnerability-remediation actions, and registry fixes.

· Validate pre-patch and post-patch server health, services, application dependencies, event logs, restart behaviour, and system availability.

· Troubleshoot Windows server issues within the infrastructure support scope and document issues requiring AltaGas or Qualys support.

· Support approved network or connectivity changes through the applicable AltaGas process when a PoC test requires a new port, URL allow-list entry, or firewall change.

· Maintain detailed test records and risk entries, including evidence of success, failure, rollback needs, and follow-up actions.

· Contribute Windows server findings, risks, limitations, and recommendations to the PoC findings report.

· Coordinate with the Desktop Support Engineer, Linux Administrator, application owners, and AltaGas stakeholders.

Required Skills and Experience

· Strong hands-on Windows Server administration experience in an enterprise environment.

· Experience with supported enterprise Windows Server versions.

· Practical experience with Microsoft server patching using tools such as WSUS or Microsoft Configuration Manager (SCCM/MECM).

· Ability to assess patch prerequisites, maintenance windows, restart requirements, service dependencies, and recovery considerations.

· Experience troubleshooting Windows services, event logs, registry settings, network connectivity, and failed patch installations.

· Working knowledge of vulnerability remediation and Windows security configuration changes.

· PowerShell skills for validation, evidence collection, and troubleshooting.

· Ability to produce clear test logs and communicate risks and technical findings.

Apply About employer

More about this job

Responsibilities

Prepare Windows servers and execute and validate tests for monthly patches, third-party application patches, vulnerability remediation, and registry changes. Assess server health and troubleshoot issues, document risks and evidence, contribute findings to the PoC report, and coordinate with technical teams and stakeholders.

Requirements

Requires strong hands-on experience administering supported Windows Server versions in an enterprise environment, including patching with WSUS or Microsoft Configuration Manager. Candidates should be able to troubleshoot services, logs, registry settings, connectivity, and patch failures; use PowerShell for validation and evidence collection; and communicate risks and findings clearly.

Skills

Windows Server Administration
Microsoft Server Patching
WSUS
SCCM/MECM
PowerShell
Patch Validation
Vulnerability Remediation
Windows Security Configuration
Windows Services Troubleshooting
Event Log Analysis
Registry Configuration
Network Connectivity Troubleshooting
Risk Documentation
Test Case Execution
Enterprise Infrastructure Support

Visa sponsorship

Not detected in the job text

Keywords

Windows Server
Enterprise Administration
Microsoft Monthly Patches
Third-Party Application Patches
WSUS
SCCM
MECM
PowerShell
Patch Prerequisites
Maintenance Windows
Restart Requirements
Service Dependencies
Recovery Considerations
Windows Services
Event Logs
Registry Settings
Network Connectivity
Failed Patch Installations
Vulnerability Remediation
Windows Security Configuration
Test Cases
Server Health Validation
Risk Documentation
Rollback Planning
Firewall Changes
URL Allow-Listing
PoC Testing
Infrastructure Support
AltaGas

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