Specialist – Managed Security Services continues second-level technical client support provided by the Analyst and Sr. Specialist has proven process experience in all technical disciplines supported by the Managed Security Services practice, specializing in at least one of three particular disciplines: Network Security, Information Security and/or Endpoint Security. Specialist provides both technical and process mentorship in these areas to Analysts and Sr.

Specialist continues to develop a platform of technical expertise. Deliver tasks on time and with minimal or no supervision Escalates unresolved issues to senior team members and/or manager(s) Develop, tune, and optimize security use cases, SIEM rules, and detection mechanisms across diverse client environments. Lead complex or Tier-3 security incident investigations, coordinate containment strategies, and provide expert remediation guidance.

Performs security analytics and provides timely summarized findings and recommendations to clients Conduct vulnerability assessments, review threat intelligence feeds, and prioritize risk mitigation recommendations for discussion with clients. Performs root cause analysis and collaborate with Consultants and Analysts to solve repetitive system performance or configuration problems Provide technical knowledge transfer to clients and internal department on low complexity problems Serve as a subject matter expert for internal teams and external clients, delivering security posture reports, briefings, and strategic recommendations Identifies, records, and escalates service performance trends, anomalies, and SLA breaches to senior leadership Applies Trusted Advisor techniques to build up client trust and influence loyalty Manages Great Client Communications Handles technical account management responsibilities for assigned accounts Provides supervision over technical aspects of service delivery Prepare and deliver client facing quarterly, monthly meetings and tuning calls with designated accounts Identifies and provides recommendations for technical deficiencies, service performance issues, product utilization, bugs, and enhancements Assists in the development of reports and presentations and provides technical knowledge transfer and analysis to clients on performance status, trends,



and metrics in a specific area of discipline. Mentor analysts and serve as an escalation point for their technical related issues Performs ongoing analysis and system testing of new system releases, upgrades, and/or patches in one or more specific technologies Conduct technical and incident handling knowledge transfer sessions Attends training sessions or shadowing activities, and obtains industry related certifications as determined by Manager Participate notably in assigned self-paced training Bachelor's degree (B.A./or a 3-year diploma in Engineering, Computer Science, or a Technology related field and 3 to 5 years of security experience in a client-focused environment, and/or working in a security operations center, OR ~8 years total of Information Technology experience to include 3 to 5 years of security experience in a client-focused environment, and/or working in a security operations center ~ At least 2 administrator or expert level technical certifications in Managed Security Services disciplines, included but not limited to: ~ IBM QRadar Secuity - Certified Administrator, Deployment Professional; Exabeam: Security Engineer Associate, Security Engineer Advanced, Associate Implementation Engineer; Tenable VM Specialist, Microsoft SC-200, SC-100, C|EH, C|CIH, or similar technology certifications ~ The position is part of a 7-day per week, 24-hour per day managed services operations. work weekends, holidays, and overtime must be available. ~ Positive team influence, approachable, supportive, and actively participates in coaching and learning. ~ Experience supporting and implementing IT infrastructure and Information Systems design or support involving hardware,



software and services at an enterprise level for at least one discipline in the Managed Security Services portfolio ~ Demonstrated ability to investigate increasingly complex problems where analysis of data requires evaluation of identifiable factors from multiple IT infrastructure systems ~ Demonstrated ability to continuously identify resolutions and techniques that meet technical requirements within the context of best practices, and make recommendations to achieve targeted objectives ~ Proven ability to establish collaborative approach to problem solving, ensuring that others’ input is gathered and discussed, and that solutions generated by the team are tested and proven ~ Mentors team members and work independently with minimal supervision. ~ Demonstrated ability to achieve high level of Customer Satisfaction on all engagements ~ Demonstrates strong verbal and written communication skills, as well as proficiency in Microsoft Office tools. ~ Each of our roles is assigned a salary range that is informed by multiple sources of market data.

This approach allows us to offer competitive and equitable salaries that reflect the value and responsibilities of each role at CDW. Salaries are based on a 37.5 -hour workweek, and paid on a bi-weekly payroll schedule. CDW is a Fortune 500 technology solutions provider that helps businesses, government, education, and healthcare organizations achieve what’s possible through technology.

At CDW we act as one—building trust, speaking candidly, and working together to achieve more. We play to win—focusing on what matters most and delivering for our customers. We believe meaningful work happens when people feel supported, heard, and empowered to contribute.

That’s why we think of ourselves as coworkers, not just employees—working together to solve complex challenges and deliver real impact for our customers and communities. As a full‑stack, full‑lifecycle technology partner, CDW brings deep expertise, strong relationships, and broad industry knowledge to help turn ideas into outcomes. When you join CDW, you become part of a team-oriented environment where your work matters, your growth is supported, and your contributions help shape what’s next.

All qualified applicants will receive consideration for employment without regards to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status or any other basis prohibited by state and local law. #

📌 Senior Security Operations Specialist (Mississauga)
🏢 CDW
📍 Mississauga