Senior InfoSec Analyst — Lead Incident Response (On-Site)

Lumentum International (Thailand); Ottawa; On-site; CAD 70,000 - 102,000; Full time

Benefits offered by this job

Flexible time off

Wellness benefits

Tuition reimbursement

On-site facilities

Stock options

Job summary

Lumentum in Ottawa is seeking a Senior Information Security Analyst to protect our people, data and global operations. On-site role, you will lead investigations, strengthen security controls and collaborate with cross-functional teams to defend against evolving threats.

You will work across cloud, identity, endpoint, network and data security, mentor colleagues, and translate complex issues into practical recommendations for business decisions.

Qualifications

• Experience in security operations, incident response or security engineering.
• Experience with SIEM and EDR technologies.
• Experience with IAM including MFA and Conditional Access.
• Familiar with security frameworks such as NIST CSF/ISO 27001/CIS Controls.

Responsibilities

• Lead investigations and response to cyber security incidents across cloud, endpoint, identity, network, email and applications.
• Improve Security Operations through detections, playbooks, automation and processes.
• Own and enhance DLP and MFA controls.
• Assess vulnerabilities and coordinate remediation with technology teams to reduce cyber risk.
• Provide security assurance for new projects and embed security by design.
• Produce security metrics and reporting for stakeholders.
• Mentor colleagues and share knowledge to raise security capability.

Skills

Security Operations

SIEM & EDR

Identity & Access

Data Loss Prevention

Vulnerability Management

Threat Detection

Automation

Security Frameworks

Tools

SIEM

EDR

Job description

Lumentum in Ottawa is seeking a Senior Information Security Analyst to protect our people, data and global operations. On-site role, you will lead investigations, strengthen security controls and collaborate with cross-functional teams to defend against evolving threats.

You will work across cloud, identity, endpoint, network and data security, mentor colleagues, and translate complex issues into practical recommendations for business decisions.