Senior Security Consultant – Managed Services

CDW; Mississauga; On-site; CAD 120,000 - 170,000; Full time

Job summary

CDW in Mississauga, Canada seeks a Senior Security Consultant to support complex MS Sentinel and Defender deployments for managed detection and response services. You will serve as a technical owner for assigned accounts, onboard new customers, and provide expert guidance to SOC teams.

The role emphasizes process improvements, operation efficiency, and trusted advisory relationships with clients, ensuring SLA adherence and service excellence within a MSS framework.

Qualifications

• Strong hands-on experience with SIEM technologies
• Deployment, tuning and optimization of SIEM platforms
• Proven ability to onboard new customers and manage technical accounts
• Experience mentoring teammates and conducting service reviews

Responsibilities

• 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.
• Escalation point for SOC analysts and customers on complex questions.
• Handle technical account management for assigned customers.
• Conduct weekly, monthly and quarterly service review calls.
• Perform Quality Assurance reviews.
• Mentor team with technical advice and support.
• Recommend and implement process improvements to reduce troubleshooting time and false positives.
• Run effective meetings to differentiate MSS offerings.
• Identify out-of-scope requirements and drive resolutions.
• Perform on-call duties as scheduled.

Skills

SIEM experience

MS Sentinel

MS Defender

On-call support

Tools

MS Sentinel

MS Defender

Job description

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:

• 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 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....