Senior Security Consultant – Managed Services
CDW
- Location
- Mississauga / Forsythe - ON 44
- Work model
- On-Site
- Level
- Senior
- H-1B history
- 19 approvals (FY2023)
- Posted
- Sep 3, 2026
Skills
About this role
The Sr. Security Consultant performs ongoing client support for complex technical performance issues and develops recommendations to ensure adherence to service level agreements and customer service excellence. The Sr. Consultant will specialize in Managed Detection and Response service on Microsoft technology stack, primarily Sentinel and Defender, and act as a subject matter expert. In addition, the Sr Consultant is required to provide input on how to drive process improvements, gain efficiencies, and create opportunities for improved workflow and automation. The Sr Consultant acts as a primary technical owner on the assigned accounts. This role requires strong hands-on proven working experience on various SIEM technologies. This should include deployment, management, customization, and optimization of SIEM.
What you will do
Services Delivery – 50% job weight Deploy, tune and optimize MS Sentinel and Defender platforms. Perform new customer onboarding. Act as a Subject Matter Expert for MS Sentinel and MS Defender. Act as an escalation point for SOC analysts as well as assigned customers in case of complex technical questions. Handle technical account management responsibilities for assigned customers. Conduct weekly, monthly and quarterly service review calls with assigned customers. Perform Quality Assurance reviews. Mentor team with technical advice / support. Recommend and implement process improvements in order to drive efficiencies, reduction of the average time to troubleshoot, and reducing false-positive alerts. Embodies Trusted Advisor techniques to build client’s trust and influence loyalty. Confidently run Great Meetings, differentiating services per MSS positioning. Helps improve the business, proactively engages when service is inconsistent, or risk is identified. Identifies and manages out of scope requirements and facilitates the resolution. Perform on-call duties as per agreed schedule. Services Improvement and Enhancement - 35% job weight Develop and improve Standard Operating Procedures (SOPs) and knowledge base articles. Develops methodologies, strategies, process documentation and templates suitable for use by other Consultants, Specialists and Analysts. Develop new and tune existing use cases. Accountable for executing on identified recommendations to improve client’s security posture. Conducts technical, procedural and incident handling knowledge transfer training sessions. Develop reports and presentations, both internal and external. Contributes to the development of service definition and content packs. Makes recommendations to improve workflows and drive automation, creating efficiencies. Identifies out of scope requirements and bring to manager’s attention. Professional Development - 15% job weight Participate notably in assigned self-paced training. Attends training sessions or shadowing activities, and obtains industry related certifications as determined by Manager. What we expect of you: Bachelor's degree (B.A./B.S.) or 3-year diploma in Engineering, Computer Science, or a Technology related field and 5 years of Security Support experience in a client-focused environment, and/or working in security operations center, OR 9 years total of Information Technology experience to include 5 years of Security Support experience in a client-focused environment, and/or working in security operations center. At least 2 advanced or expert level certifications in Managed Security Services discipline, including but not limited to: CCIE Security; Palo Alto PCNSE, Cortex XDR-PMXdC; IBM QRadar Security: Administrator and Deployment Professional; SANS GCIA, GCIH, Splunk, CrowdStrike Falcon: CCCS, CCFH, CCFA, CCIS; Exabeam: Advanced or Principal Implementation Engineer; Microsoft SC-200, SC-100. Demonstrated strong hands-on working experience on SIEM technologies. The position is part of a 7-day per week, 24-hour per day managed services operations. To provide the required coverage, must be available