Job Title or Location

Senior System Administrator

Sage Recruiting Inc.
Markham, ON
Posted today
Job Details:
Full-time
Management
Benefits:
Dental Insurance
Tuition Aid

Sr. Systems Administrator

Sage Recruiting is looking for a Sr. Systems Administrator to join a fast-growing SaaS company that powers clubs and their members across North America. Their platform is used by millions and continues to expand, driving innovation in the industry.

This is a chance to join a dynamic, empowering workplace filled with motivated self-starters who thrive in a fast-paced, high-growth environment.

As a Sr. Systems Administrator, you'll play a critical role in maintaining, optimizing, and supporting the company's on-premise and cloud infrastructure. You will collaborate across departments-including product management, development, support, and project teams-to ensure the performance, availability, and security of all systems. You will contribute to troubleshooting customer-facing issues, refining internal IT processes, and managing a hybrid environment that blends traditional system administration with modern DevOps practices.

We're looking for someone with strong technical expertise, excellent problem-solving skills, and a proactive approach to driving improvements in systems reliability and scalability.

If you're looking to work with a passionate team and make an impact in a rapidly growing SaaS company, we'd love to hear from you!

Qualifications

  • 7+ years of experience in systems administration, CloudOps, or IT infrastructure roles
  • Solid understanding of networking technologies, cloud load balancers, and firewalls
  • Experience with core infrastructure services: LDAP, Active Directory, DNS, SMTP, etc.
  • Familiarity with service monitoring and messaging tools such as Nagios, Spectrum
  • Experience in provisioning systems and managing access/security in cloud environments
  • Working knowledge of CI/CD tools and basic administrative experience with Jira and Confluence
  • In-depth understanding of cloud computing (Azure, AWS, HCI, Nutanix) and hybrid infrastructures
  • Strong grasp of cloud security principles: IAM, policies, security groups, encryption keys
  • Proficiency in TCP/IP networking and protocols (DNS, routing, L3/L7, etc.)
  • Experience with enterprise storage (Dell, NetApp)
  • Proficient in Windows Server and Active Directory administration
  • Understanding of networking protocols and services (DHCP, DNS, TCP/IP)
  • Hands-on experience with virtualization technologies and troubleshooting virtual environments
  • Data center migration experience is a strong plus
  • Experience managing cloud-based DNS (Cloudflare, Route 53)
  • Scripting and automation experience, especially using APIs (e.g., Cloudflare API)
  • Familiarity with HTTP, TLS, and CDN technologies
  • Windows Server certification (MCSE or equivalent) is desirable
  • Experience with network security in Windows and Cisco environments

What We Offer

  • Competitive salary: $100K-$120K
  • Bonus plan ( $7-12K)
  • Extended health and dental benefits
  • Stock employee purchase plan
  • Tuition reimbursement plan ($2K/year)
  • Hybrid work (1 day/week in Markham office)
  • 3 weeks PTO
  • On-call rotation (PagerDuty, 1 week/month)

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