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Added 4 mins ago
(CAN) Overnight Remodel Associate
Walmart Canada
Hull, QC
Contract
Build new counters using kit sheets provided by the Warehouse Associates as per the print provided by the Lead Specialist.
Added 4 mins ago
(CAN) Overnight Remodel Associate
Walmart Canada
Hull, QC
Contract
Build new counters using kit sheets provided by the Warehouse Associates as per the print provided by the Lead Specialist.
Added 4 mins ago
Account Executive
KERRIDGE COMMERCIAL SYSTEMS CORP
Oakville, ON
Full-time
Klipboard provides specialist software, services and support to deliver fully integrated trading and business management solutions to companies in the wholesale, service, and distribution…
Added 1 hour ago
Games Security Specialist
Ubisoft
Montreal, QC
Full-time
As a Games Security Specialist at Ubisoft Montréal, you will be fully embedded on For Honor as the owner and executor of the Player Protection domain for the project. This is a…
Added 3 hours ago
Sales And Marketing Specialist
Medna Medical Equipment Inc.
North Vancouver, BC
Full-time
Added 5 hours ago
RPN Operating Room
St. Joseph's Health Centre, Toronto
Toronto, ON
Temporary
Provides health education using effective teaching strategies that takes into account the patient/family's learning needs, readiness, and motivation to learn;
Added 5 hours ago
Registered Practical Nurse - Trauma & Neurosurgery
St. Michael's Hospital
Toronto, ON
Part-time
Provides health education using effective teaching strategies that takes into account the patient/familys learning needs, readiness, and motivation to learn;
Added 5 hours ago
Cloud & AI Sales Specialist
Microsoft
Ottawa, ON
Full-time
…strategic/high-potential customers (e.g., high budget, global account, highly competitive) along with account teams or partners. Facilitates the account team unit (ATU) and/or Specialist…
Added 7 hours ago
Creative Production Specialist (14 Month contract)
Loblaw Digital
Toronto, ON
Full-time
Creative Production Specialist (14-month contract)
Added 7 hours ago
Clinical Sales Specialist - Molecular Imaging
Siemens Healthineers
Oakville, ON
Full-time
The Clinical Sales Specialist serves as the clinical and technical expert supporting the sales of Siemens Healthineers Molecular Imaging solutions, including SPECT and PET systems. This…
Added 7 hours ago
RPN 2L Medicine
St. Joseph's Health Centre, Toronto
Toronto, ON
Temporary
Provides health education using effective teaching strategies that takes into account the patient/family's learning needs, readiness, and motivation to learn;
Added 8 hours ago
Advertising Operations Specialist – Retail Media
Newfoundland Capital Corporation Limited
Montreal, QC
Full-time
We are seeking a detail-oriented and technically skilled Ad Ops Specialist to join our growing Advertising Operations team. This role will focus on the end-to-end management of audio…
Added 8 hours ago
Technical Specialist, Program Management
Defence Construction Canada
Ottawa, ON
Full-time
The Technical Specialist, Program Management, oversees multi-disciplinary work to develop, maintain and deliver centralized coordination functions in support of capital construction,…
Added 8 hours ago
Cloud & AI Platform Sales Specialist
Microsoft
Vancouver, BC · Edmonton, AB · Calgary, AB
Full-time
…strategic/high-potential customers (e.g., high budget, global account, highly competitive) along with account teams or partners. Facilitates the account team unit (ATU) and/or Specialist…
Added 8 hours ago
Specialist, Business Integration Services (12-month contract)
Deloitte
Toronto, ON
Full-time
…health support benefits, a $1,300 flexible benefit spending account, firm-wide closures known as "Deloitte Days", dedicated days of for learning (known as Development and Innovation Days),…
Added 8 hours ago
Senior Specialist, National Events (18 Months Contract)
Deloitte
Toronto, ON
Full-time
Deloitte is looking for a Senior Specialist, National Events with proven expertise in managing corporate meetings and events. The ideal candidate will bring creativity and innovation to…
Added 9 hours ago
Account Executive
Future Electronics
Canada
Full-time
As a Customer Expansion Specialist, you will be responsible for initiating outbound calls, generating leads, and providing solutions to Delight the Customer®. You will play a pivotal role…
Added 10 hours ago
overnight remodel associate
Walmart Canada
AB · Edmonton, AB
Contract
Build new counters using kit sheets provided by the Warehouse Associates as per the print provided by the Lead Specialist.
Added 10 hours ago
Day Remodel Associate
Walmart Canada
Port Perry, ON
Contract
Build new counters using kit sheets provided by the Warehouse Associates as per the print provided by the Lead Specialist.
Added 10 hours ago
Overnight Remodel Associate
Walmart Canada
Port Perry, ON
Contract
Build new counters using kit sheets provided by the Warehouse Associates as per the print provided by the Lead Specialist.
Added 10 hours ago
Boutique Part Time Coffee Specialist - Boutique Cumberland
Nestlé Nespresso SA
Toronto, ON
Part-time
We are looking for a Part Time Coffee Specialist to join our team! This position is an existing vacancy. This role will be responsible for acting as an ambassador of the Nespresso brand…
Added 10 hours ago
Client Service Specialist, Commercial Banking - Vancouver
Scotiabank
Vancouver, BC
The Client Service Specialist (CSS) provides Relationship Managers with the support needed to seamlessly service new and existing clients across Commercial Banking Distribution. Acting as a…
Added 10 hours ago
Boutique Part Time Coffee Specialist - Boutique Cumberland
Nestle Operational Services Worldwide SA
Toronto, ON
Part-time
We are looking for a Part Time Coffee Specialist to join our team! This position is an existing vacancy. This role will be responsible for acting as an ambassador of the Nespresso brand…
Added 11 hours ago
SharePoint Specialist / Web Application Developer
ITS Consulting Inc
Vancouver, BC
Other
The SharePoint Specialist / Web Application Developer is responsible for the planning, implementation, administration, and ongoing support of customer Microsoft 365 collaboration and…
Added 11 hours ago
Data Scientist II (Credit Risk and Product)
TD
Toronto, ON
Full-time
Develop credit strategies, including, adjudication and account management for TD & MBNA Cards and Personal Lending products, ensuring adequacy of risk and return through comprehensive data…

CDW

Senior Security Operations Specialist

Mississauga, ON, Canada

Job type: Full-time
Experience: 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
Posting language: English
Posted: Sep 18, 2026

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Original job description

Job Summary:

The Sr. Specialist – Managed Security Services continues second-level technical client support provided by the Analyst and Sr. Analysts. The 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. The Sr. Specialist provides both technical and process mentorship in these areas to Analysts and Sr. Analysts. The Sr. Specialist continues to develop a platform of technical expertise.

What you will do:

Service Delivery – 50% job weight

Deliver tasks on time and with minimal or no supervision
Monitors and resolving second-level support requests accurately and timely. 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.
Lead and conduct hypothesis-based threat hunt across clients’ environments.
Build custom AI agents within SIEM/EDR for autonomous incident investigation and response.
Configure and administer SIEM and EDR platform for optimization
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
Build investigation playbooks and automated workflows to drive efficiency across the MSSP operations center
Carry out platform integrations for improved threat detection and response.
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
Works towards confidently running Great Meetings, differentiating services per MSS positioning
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

Services Improvement and Enhancement - 30% job weight

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
Recommends process enhancements and drives efficiency by reducing average time to trouble-shoot, repetitive issues and problem service tickets, reducing false-positives
Performs ongoing analysis and system testing of new system releases, upgrades, and/or patches in one or more specific technologies
Makes recommendations to improve workflows and drive automation, creating efficiencies
Develops Standard Operating Procedures (SOPs) and knowledge base articles
Conduct technical and incident handling knowledge transfer sessions
Carry out research on supported technologies and develop actionable threat advisory documentation

Professional Development – 20% job weight

Attends training sessions or shadowing activities, and obtains industry related certifications as determined by Manager
Participate notably in assigned self-paced training

What we expect of you:

Bachelor's degree (B.A./B.S.) 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:
Cortex: XDR Engineer or XSIAM Engineer; IBM QRadar Secuity - Certified Administrator, Deployment Professional; SANS: GCIA, GCIH, GSOC; Splunk, Crowdstrike Falcon - CCFA, CCIS, CCFH, CCCS, CCSE; 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. To provide the required coverage; work weekends, holidays, and overtime must be available.
Positive team influence, approachable, supportive, and actively participates in coaching and learning.
Punctual and organized, ensures timely completion of tasks.
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.
Sets and achieves goals autonomously, contributing to team and organizational objectives.
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.
Demonstrated ability to execute service delivery using productivity tools such as word processing, spreadsheet, diagram creation, presentation and email processing applications.

CDW is committed to being an AI-fluent organization

We’re looking for people who bring curiosity, a learner’s mindset, and a willingness to engage with ever-evolving technology and tools. We value adopting AI as a partner, openness to experimentation, and a shared interest in learning together on AI. Our goal is to create a culture where AI enhances - not replaces - human creativity and decision-making. You don’t need to be an expert today; what matters is your readiness to explore, adapt, and grow with us as we integrate AI responsibly and effectively into our work.

Additionally, CDW is committed to fostering an equitable, transparent, and respectful hiring process for all applicants. During our application process, our goal is to understand your experience, strengths, skills, and qualifications. As an AI forward company, we see AI not just as a tool, but as a catalyst for new ways of thinking, creating, and communicating. We encourage candidates to embrace an AI mindset, one that’s curious, adaptive, and ready to explore what’s possible. We welcome thoughtful use of AI to expand your perspective and elevate how you share your story, while ensuring your application remains rooted in your own background, judgment, and voice.

About Us

CDW is a Fortune 500 technology solutions provider that helps businesses, government, education, and healthcare organizations achieve what’s possible through technology. What makes CDW different isn’t just what we do - it’s how we do it. 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. And we think forward - staying curious, moving fast, and continuously learning. 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 collaborative environment where your work matters, your growth is supported, and your contributions help shape what’s next.

Together, we deliver the full promise of what technology can do. Together, we Make Amazing Happen.

CDW is an equal opportunity employer. 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.

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More about this job

Responsibilities

The Senior Security Operations Specialist provides second-level technical support, manages security incidents, and optimizes detection mechanisms across client environments. They also mentor junior analysts, conduct threat hunting, and serve as a subject matter expert for security posture reporting and strategic recommendations.

Requirements

Candidates must have a bachelor's degree in a technology-related field with 3 to 5 years of security experience, or 8 years of total IT experience including 3 to 5 years in security. Additionally, applicants are required to hold at least two administrator or expert-level technical certifications in managed security services disciplines.

Skills

Network Security
Information Security
Endpoint Security
SIEM
EDR
Vulnerability Assessment
Threat Intelligence
Threat Hunting
Incident Investigation
Root Cause Analysis
Technical Mentorship
SOP Development
Automation
Security Analytics
Client Communication
Technical Account Management

Visa sponsorship

Not detected in the job text

Keywords

Managed Security Services
Network Security
Information Security
Endpoint Security
SIEM
EDR
Cortex XDR
IBM QRadar
Splunk
Crowdstrike Falcon
Exabeam
Tenable
Threat Hunting
Vulnerability Assessment
Incident Response
Automation
AI Agents
SOP
Root Cause Analysis
SLA
Technical Account Management
Security Operations Center
C|EH
GCIH
GCIA
GSOC
SC-200
SC-100
Risk Mitigation
Threat Advisory

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