Lead complex cybersecurity investigations at Lumentum in Ottawa, working onsite across cloud, endpoint, identity, network, email, and application environments.
As a Senior Information Security Analyst, you will strengthen security operations and protect Lumentum’s people, data, and global operations. You will improve detections, playbooks, automation, and operational processes while partnering with technical and business teams. The position also includes vulnerability assessment, security assurance, reporting, and mentoring.
Key Responsibilities: Lead complex cybersecurity incident investigations and response activities
Improve detections, playbooks, automation, and operational processes
Assess vulnerabilities and prioritize remediation across the organization
Provide security assurance for projects and technology changes




Translate technical issues into practical business recommendations
Requirements: Significant cybersecurity, information security, or security operations experience
Experience with SIEM and Endpoint Detection and Response technologies
Knowledge of threat detection, investigation, and root cause analysis
Ability to communicate clearly with stakeholders at all levels
Qualified certifications such as CISSP, CISM, or CISA desirable
Bring incident response, threat investigation, and security operations expertise to Lumentum’s onsite Ottawa cybersecurity team.

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📌 Senior Cybersecurity Incident Response Analyst (Quebec City)
🏢 Lumentum Operations
📍 Quebec City