Systems Administrator to provide support and configuration of a complex network in a classified environment.

S.i. Systems • Ottawa, Ontario, Canada • Posted March 20, 2026

Location Ottawa, Ontario

Job Type Contract

Category Computer Occupations

Posted March 20, 2026

Our Valued Public Sector Client is seeking a Senior System Administrator to perform installations, upgrading, and maintenance of software and hardware within a classified environment.
Senior Systems Administrator to support the development of system designs and specifications for applications in a multi-tier classified IT environment. The role focuses on maintaining network integrity and performance while supporting implementation and sustainment activities. 
Tasks include:
Install, monitor, upgrade, and maintain operating systems.
Install, monitor, upgrade, and maintain hardware and software.
Expertise in Windows Installer technologies, including MSI, MST, and MSP packaging, with strong proficiency in using command-line switches to enable automated, zero-touch deployments.
Advanced SCCM/MECM management skills, including application and package creation, detection methods, dependencies/supersedence, and reporting using SQL or ...
            

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