CDW LLC.

Security Specialist -- SIEM Technologies

📍 Location
mississauga, peel region
⏰ Job Type
Full-time
📅 Posted
June 13, 2026
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Job Description

Description

The Specialist provides second-level Cybersecurity Incident Response, client support and upholds defined service level agreements (SLA) and customer service excellence for Information Security and Endpoint Security. Security Specialist will specialize in Managed Detection and Response service on Microsoft technology stack, primarily Microsoft Sentinel and Defender.

What you will do:

24x7 Support – 60% job weight

  • Monitor, triage, investigate, remediate and resolve cyber incidents. Escalates unresolved issues to senior team members and/or manager(s)
  • Act as an escalation point for SOC first-level analysts, perform root cause analysis.
  • Provide technical knowledge transfer to clients and internal department on low complexity problems
  • Identifies, records, and escalation service performance trends, anomalies, and SLA breaches to senior leadership
  • Apply Trusted Advisor techniques to build up c...

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