indeed
Senior Security Operations Specialist
CDW
Mississauga, CAN
Full-time
Onsite
Discovered 1 months ago
Managed Security ServicesSecurity operations centerNetwork securityInformation securityEndpoint securitySIEM
Role Overview
Provide second-level technical client support within Managed Security Services and specialize in network, information, or endpoint security.
Provide technical and process mentorship to Analysts and Senior Analysts.
Key Skills for This Role
Managed Security ServicesSecurity operations centerNetwork securityInformation securityEndpoint securitySIEM
Full Job Posting
Role Overview
Provide second-level technical client support within Managed Security Services and specialize in network, information, or endpoint security.
Provide technical and process mentorship to Analysts and Senior Analysts.
Service Delivery
- Resolve second-level support requests and escalate unresolved issues.
- Develop and optimize security use cases, SIEM rules, and detection mechanisms.
- Lead Tier-3 incident investigations, containment strategies, and remediation guidance.
- Perform security analytics and provide findings and recommendations to clients.
- Conduct vulnerability assessments, analyze threat intelligence, and prioritize risk mitigation.
- Lead hypothesis-based threat hunts across client environments.
- Build AI agents within SIEM and EDR for incident investigation and response.
- Configure and administer SIEM and EDR platforms and perform platform integrations.
- Perform root-cause analysis for recurring system performance or configuration issues.
- Deliver client reports, briefings, and monthly or quarterly account meetings.
Service Improvement
- Recommend solutions for technical deficiencies, service issues, product utilization, bugs, and enhancements.
- Mentor analysts and act as an escalation point for technical issues.
- Improve workflows, reduce false positives, and automate repetitive work.
- Test new system releases, upgrades, and patches.
- Develop SOPs, knowledge-base articles, and actionable threat advisory documentation.
- Conduct technical and incident-handling knowledge transfer sessions.
Qualifications
- Bachelor's degree or 3-year technology-related diploma plus 3 to 5 years of relevant security experience, or 8 years of IT experience including 3 to 5 years of relevant security experience.
- At least two administrator- or expert-level certifications in managed security services disciplines are required.
- Relevant certifications may include Cortex, QRadar, SANS, Splunk, CrowdStrike Falcon, Exabeam, Tenable, Microsoft SC-200 or SC-100, C|EH, or C|CIH.
- Enterprise IT infrastructure and information systems support or implementation experience is required.
- Strong analysis, independent work, collaboration, communication, customer satisfaction, and Microsoft Office proficiency are required.
Schedule
- The managed services operation runs 24 hours a day, 7 days a week.
- Availability for weekends, holidays, and overtime is required.
Professional Development
- Attend training or shadowing activities and obtain industry certifications as determined by the manager.
- Participate in assigned self-paced training.
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