Senior IT Systems Administrator

SKYTRAC•Ottawa, ON

3d•CA$88,000 - CA$120,000•Onsite

About The Position

SKYTRAC is seeking an experienced Senior IT Systems Administrator to join their team. This role is responsible for maintaining, supporting, and optimizing the organization’s IT infrastructure, and owns the reliability, security, and performance of servers, networks, applications, cloud services, and end-user systems. The role also serves as the escalation point for complex technical issues, leads infrastructure projects from design through implementation, and mentors junior IT staff. In this role, you’ll work hands-on across servers, networks, cloud platforms, and cybersecurity tools — while also advising leadership on technology standards, roadmap, and risk. This position is based on-site in their Ottawa, ON office.

Requirements

Post-secondary education in Information Technology, Computer Science, Systems Administration, or a related field
5+ years of systems and network administration experience, including senior or lead-level responsibility
Deep expertise in Windows Server, Linux, virtualization (VMware/Hyper-V), and enterprise networking
Advanced working knowledge of Microsoft 365/O365 administration and cloud platforms
Working knowledge of cybersecurity tools, monitoring systems, and backup solutions
Proficiency with scripting and automation (PowerShell, Bash)
Strong problem-solving and troubleshooting capabilities
Working knowledge of networking protocols (BGP, DHCP, DNS, VPN, NAT)
Hands-on capability with network equipment (firewalls, switches, routers)

Nice To Haves

Infrastructure-as-code experience (e.g., Terraform, Ansible)
Excellent communication and customer service skills
Ability to manage multiple priorities in a fast-paced environment
Detail-oriented, proactive, and collaborative with cross-functional teams
Ability to mentor junior technical staff and lead infrastructure projects end to end

Responsibilities

Administer, monitor, and troubleshoot Windows and/or Linux servers, virtualized environments, and core business applications
Maintain Active Directory, Group Policy, DNS, DHCP, and identity access management systems
Monitor and maintain network infrastructure, including switches, firewalls, VPNs, and wireless systems
Implement and maintain cybersecurity safeguards, including endpoint protection, MFA, email security, and network security controls
Support cloud-based platforms such as Microsoft 365, Azure, AWS, and Google Workspace
Act as the final escalation point for Tier 3 hardware, software, and network issues
Lead IT infrastructure upgrades, hardware refreshes, and new technology deployments, including scoping, vendor selection, and implementation
Own backup, disaster recovery, and business continuity plans, including regular restore testing and documented recovery objectives
Mentor and provide technical direction to junior systems administrators and helpdesk staff
Lead the after-hours on-call rotation and coordinate emergency response as needed