Title:Sr. IT Security AnalystDepartment:Information TechnologyLocation:6300 Steeles Ave West, WoodbridgeTotal Potential Compensation:$115,000-$140,000Position Summary The Senior Security Analyst – Security Operations is responsible for operating, maturing, and continuously improving core cyber defense and detection capabilities across the enterprise. This role has a solid focus on Vulnerability Management, Endpoint Detection & Response (EDR), Network Detection & Response (NDR), and day‑to‑day Security Operations.The incumbent will act as a senior technical resource within the SOC, providing advanced analysis, threat‑driven prioritization, and operational leadership across security monitoring, incident response, vulnerability remediation, and control effectiveness measurement. The role directly contributes to improving the organization’s cyber risk posture, with measurable outcomes reflected in Security Risk Index (SRI) and other governance metrics aligned to NIST and ISO frameworks.After‑hours support and on‑call duties may be required for high‑severity security incidents.Position Responsibilities Vulnerability ManagementOwn and operate the enterprise vulnerability management lifecycle, including discovery, assessment, prioritization, remediation tracking, and risk acceptanceCorrelate vulnerability data with asset criticality, exploitability, threat intelligence, and exposure to drive risk‑based remediationTrack remediation SLAs and escape overdue or accepted risks through appropriate governance channelsSupport internal and external audit evidence for vulnerability management controlsContribute vulnerability metrics to executive and risk committee reporting (e.G., SRI/NSRI)Security Operations & Incident ResponseAct as a senior escalation point for security incidents,



providing deep technical analysis, containment guidance, and remediation recommendationsLead investigation of alerts generated by EDR, NDR, SIEM, and security analytics platformsCoordinate incident response activities across IT Infrastructure, Network, Cloud, and Application teamsDevelop and maintain incident response playbooks, runbooks, and escalation proceduresSupport post‑incident reviews, root cause analysis, and lessons learned trackingEndpoint Detection & Response (EDR)Operate and tune EDR platforms to improve detection fidelity, reduce false positives, and enhance response effectivenessAnalyze endpoint telemetry for indicators of compromise (IOC), anomalous behavior, and threat actor activitySupport endpoint containment actions such as process isolation, host quarantine, and forensic data collectionPartner with IT Operations to ensure EDR coverage, health, and policy compliance across endpointsNetwork Detection & Response (NDR)Operate and maintain NDR capabilities, including alert triage, investigation, and threat huntingAnalyze network traffic, metadata, and behavior‑based detections to identify lateral movement, command‑and‑control activity,



and policy violationsCollaborate with Network teams to validate detections and improve network security controls and segmentationUse NDR telemetry to validate network segmentation effectiveness and control gapsThreat Detection & Threat HuntingPerform proactive threat hunting using EDR, NDR, SIEM, and log analytics platformsApply MITRE ATT&CK;–aligned techniques to identify stealthy or low‑signal threatsIntegrate external threat intelligence into detection and hunting activitiesRecommend detection engineering improvements to SOC tooling and analyticsMetrics, Risk & ComplianceDefine and maintain security operations KPIs and KRIs (incident trends, MTTR, vulnerability aging, control coverage)Contribute to Security Risk Index (SRI) calculations and continuous improvement initiativesEnsure alignment with NIST CSF, ISO 27001/27002, and internal security standardsSupport audits by providing defensible evidence of control operation and effectivenessContinuous Improvement & LeadershipMentor junior analysts and provide technical guidance within the SOCIdentify opportunities to improve automation, orchestration, and response workflowsParticipate in security architecture reviews and technology evaluations related to detection and responseContribute to the development of security standards, procedures, and operational playbooksIdentity & Access Management (IAM)Support operational security of IAM platforms (e.G., Active Directory, Azure AD / Entra ID, PAM solutions)Monitor and investigate identity‑based threats, including credential misuse, privilege escalation, and anomalous authentication behaviorCorrelate IAM events with EDR, NDR, and SIEM telemetry during incident investigationsSupport access reviews, entitlement validation, and privileged access oversight in collaboration with IAM and IT teams.Assist with detection and response use cases related to:Compromised accountsExcessive privilegesService

📌 Sr. It Security Analyst - C$115,000 - C$140,000 A Year (Vaughan)
🏢 407 ETR
📍 Vaughan