Posted 2 months ago
Senior Systems Engineer
Toronto, Ontario
Requirements summary:
- Hybrid Requirement: 3 days in Etobicoke
- - Create hardened Windows Server 2025 and RHEL 10 images aligned with NIST, CIS Benchmark Level 2, and PCI DSS requirements.
- - 3-5 years of experience engineering infrastructure in a large, complex, hybrid, or multi-site enterprise environment.
- - Strong hands-on experience with Windows Server and Red Hat Enterprise Linux administration, standards, hardening, patching, and lifecycle management.
- - Experience defining or improving operating system build standards, golden images, hardened baselines, or automated provisioning patterns.
- - Strong automation and Infrastructure as Code experience using Ansible, Red Hat Satellite, Terraform, Bash, PowerShell, and source control practices.
Tools & skills
Source and dates
Employer career site / ATS feed · careerpage
- Employer posting date
- 2026-09-13
- First seen by our source
- 2026-10-11
- Source record updated
- 2026-11-03
These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.
Position: Senior Systems Engineer
Location: Etobicoke
Salary: $120K-$135K
Job Type: Permanent
Posting Type: Open Vacancy
Hybrid Requirement: 3 days in Etobicoke
Role Overview
We are seeking a Senior Systems Engineer to join the Platform Services and Systems Administration team, focused on defining, modernizing, and automating operating environment standards across a hybrid enterprise infrastructure. This role will support broad Systems Infrastructure needs across virtualization, storage, backup and data protection, Active Directory, Windows and Linux administration, automation, monitoring, and Infrastructure as Code. The successful candidate will help drive the transition from legacy click-ops and fragmented tooling to consistent, pipeline-based infrastructure delivery across Nutanix, VMware, and Azure environments.
Responsibilities:
- Define and maintain operating environment standards for Windows Server, Red Hat Enterprise Linux, and supporting infrastructure platforms.
- Create hardened Windows Server 2025 and RHEL 10 images aligned with NIST, CIS Benchmark Level 2, and PCI DSS requirements.
- Build pipeline-based deployment patterns for repeatable image delivery across Nutanix, VMware, and Azure environments.
- Advance Infrastructure as Code and DevOps practices using Ansible, Red Hat Satellite, Terraform, Bash, PowerShell, and source control.
- Partner with Architecture, Networking, Security, and infrastructure teams on complex implementations, upgrades, migrations, and platform refreshes.
- Perform advanced Level 3 troubleshooting across virtualization, storage, backup, operating systems, identity, network-adjacent, and automation domains.
- Support performance tuning, capacity management, platform consistency, and standards adoption across the technology estate.
- Participate in architecture and design reviews, aligning on-premises infrastructure with networking, cloud, and security operating models.
Qualifications:
- 3-5 years of experience engineering infrastructure in a large, complex, hybrid, or multi-site enterprise environment.
- Strong hands-on experience with Windows Server and Red Hat Enterprise Linux administration, standards, hardening, patching, and lifecycle management.
- Experience defining or improving operating system build standards, golden images, hardened baselines, or automated provisioning patterns.
- Strong automation and Infrastructure as Code experience using Ansible, Red Hat Satellite, Terraform, Bash, PowerShell, and source control practices.
- Broad infrastructure experience across VMware vSphere, Nutanix AHV, enterprise storage, SAN/NAS/HCI, backup, recovery, disaster recovery, Active Directory, Entra ID, and monitoring.
- Working knowledge of compliance-driven infrastructure standards, including PCI DSS, NIST guidance, and CIS Benchmark hardening, including Level 2.
- Understanding of hybrid enterprise network design, IPv4, segmentation, identity security, access management, and PKI concepts.
- Experience working collaboratively with Infrastructure Architecture, Networking, Security, and other technical teams in a complex enterprise environment.
Interested? Please send your resume in Word format to Shannon Scullion at [email protected].
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