Senior System Administrator, Data Centers

Telesat

full-time

Posted on: 9/22/2025

Origin: • 🇨🇦 Canada

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Senior

DNSKubernetesLinuxPythonTerraformVMware

About the role

Build, test and operate the high-security infrastructure domain for satellite operations.
Provide integration with other environments through various security zones and portals.
Provide technical assistance to the applications and operations teams for hardware, operating systems, and hypervisors.
Develop and operate a highly secure backup process.
Build out, operate and support various Basic Infrastructure Services (DNS, DHCP, NTP, etc).
Develop automation scripting for environments and provide documentation.
Follow and document operational processes including Change Management.
Manage log aggregation, monitoring and alerting as required.
Proactively plan and determine patching strategies, high-availability, upgrades and updates.
Manage and monitor all local storage platforms.
Provide operational support on a 24x7 basis, on-call.

Must be able to work in Canada and obtain clearance under the Canadian Controlled Goods Program (CGP).
University degree or equivalent experience in Computer Science or related stream.
Must have at least 7 years experience in the installation, configuration and operation of Linux-based environments (e.g. RedHat, Ubuntu).
Must have at least 5 years experience in building out on-premise, secure data centre based hardware clusters (network, servers and storage).
Proven experience in the deployment and operation of hypervisors (VMware, KVM).
Strong experience with building and running large scale, high-available and fault-tolerant network infrastructure.
Strong experience in the building and operation of dedicated, isolated infrastructure services such as DNS and NTP.
Strong knowledge of IAM and access management strategies and tooling.
Strong understanding and hands on experience in the daily administration of Linux.
Experience leveraging scripts to build infrastructure (i.e. Bash, Python, Terraform).
Familiarity with Kubernetes deployments considered an asset.
Familiarity with SRE concepts considered an asset.
Ability to provide operational support on a 24x7 basis, on-call.
Ability to travel between 3 sites in the Ottawa-Gatineau area (rotational, <15%) and to an alternate data centre (<5%).
Position will begin at Telesat's headquarters in Ottawa and transition to Gatineau later in 2026.