Senior Systems Administrator / Tier 3 Support Contractor

Our client is seeking an experienced Senior Systems Administrator / Tier 3 Support Contractor to provide short-term technical capacity within an established IT environment.

The successful contractor will operate as a senior technical resource, supporting day-to-day infrastructure operations, resolving complex Tier 3 escalations, and assisting with several ongoing technology initiatives. This individual should be comfortable working independently while collaborating closely with internal IT staff, application teams, the Help Desk, and external technology vendors.
The engagement is expected to run approximately three months, from September through December, and may be performed remotely or require onsite work in Simcoe County, Ontario.

Key Responsibilities:
Infrastructure Operations — 40%
Tier 3 Escalation Support — 50%
Projects and Application Support — 10%

The ideal contractor will bring strong hands-on systems administration experience and be comfortable entering an existing environment and becoming productive quickly.

Experience should include:
Several years of progressively responsible Systems Administration or Infrastructure Support experience
Strong Windows Server and Active Directory administration skills
Hands-on experience with Microsoft Azure and Microsoft 365
Experience supporting enterprise infrastructure and business-critical systems
Demonstrated experience resolving complex Tier 3 technical escalations
Strong troubleshooting and root-cause analysis capabilities
Experience working with external technology vendors and managing vendor escalations
Experience with patching, monitoring, certificates, and general infrastructure operations
Ability to work independently with limited supervision
Strong communication skills and the ability to work effectively with both technical and non-technical stakeholders
Ability to document technical issues, resolutions, and operational procedures

The following experience would be considered an asset:
Previous experience working within a healthcare environment
Experience supporting clinical or healthcare-related applications
Familiarity with Sectra and Imprivata
Experience supporting Workday
Experience working within environments with heightened security, privacy, availability, and regulatory requirements

Interested? Please send an email to rose.manzon@cdw.ca