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Windows System Administrator

Apptoza Inc.
Montreal, Quebec, CAPosted April 8, 2026

Job Description

Role: Windows Administrator

Location: Montreal, QC

Duration: Long Term Contract

Job Description;

Role Descriptions: Specialist| Solution System Integration Windows ABOUT IT AT CNCN harnesses the power of information every minute of every day to make better decisions. Almost every aspect of our business relies on technology this is why CN invests around 100 million every year on IT projects and infrastructure. And with close to 1|000 in-house employees| CNs IT team is more than a first-class technology shop theyre railroaders| dedicated to enabling our people to work better and to helping our trains run safely. WHY YOU WANT THIS JOB As Senior Windows integrator| you will develop and implement technical designs for CN. In parallel to these duties| you are also demonstrating leadership| flexibility and accountability when faced with ambiguous or changing project parameters. This includes| defining test plans from an integrated perspective| executing the tests| contributing to the deployment plan and ensuring the successful installation of the integrated technologies. This role is also responsible for coordinating and guiding the technology build team| including system administrators and software administrators.

RESPONSIBILITIES

Contribute to the technical solution architecture by identifying the existing capabilities available by the technologies in place versus the need for the acquisition of new technologies Translate the technical solution architecture into a detailed infrastructure and technology components design. Ensure the tight integration of all the components Define infrastructure and technology installation specifications including monitoring| high availability| virtualization| storage| backup and disaster recovery Work in collaboration with the project manager to define work breakdown structure| estimate project effort and project schedule Guide the system administrators| software administrators| database administrators| datacentre facility administrator and or telecom integrators through the proposed technical design and specifications. Address any potential design or support issues with them Produce test plans to test all infrastructure and technologies identified in the technical design. Conduct tests and log results. Determine appropriate resolution solution through root-cause analysis and impact analysis Provide required hardware software (Define Order Install)Implement the technology and apply CN standards (eg. SOX| security| project methodology| technology standards)Assist the application team in installing and integrating the application with the infrastructure Define the stabilization and knowledge transfer plans. Ensure that the transfer has been successful to the support teams Define cut-over plan and executeREQUIREMENTS7 years experience with integration| configuration| Windows Server 201220162019 MUST Proficient with Services monitoring (Windows) Active Directory| GPO| SCOM MUST General infrastructure knowledge (backup| clustering| networking| monitoring) MUST Cloud| Infrastructure as Code| Containers.

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