Position Title: Senior Information Security Analyst
Employment Type: Full-time
Location: Ottawa (On-Site)
What You'll Be DoingAs a senior member of our Information Security team, you'll:- Lead the investigation and response to complex cyber security incidents across cloud, endpoint, identity, network, email and application environments.
- Drive improvements to our Security Operations capability through enhanced detections, playbooks, automation and operational processes.
- Own and enhance key security controls, including Data Loss Prevention (DLP) and Multi-Factor Authentication (MFA), ensuring they remain effective, measurable and aligned with business needs.
- Assess vulnerabilities, prioritise remediation activities and work with technology teams to reduce cyber risk across the organisation.
- Provide security assurance for new projects and technology changes, helping embed security by design.
- Produce meaningful security metrics and reporting for technical and business stakeholders.
- Coach and mentor colleagues, sharing knowledge and raising security capability across the organisation.
- Translate complex technical issues into clear, practical recommendations that support informed business decisions.
What We're Looking ForYou'll have experience in several of the following areas:
- Security Operations, Security Incident Response or Security Engineering.
- Security Information and Event Management (SIEM) and Endpoint Detection & Response (EDR) technologies.
- Identity and Access Management, including MFA, Conditional Access and Privileged Access.
- Data Loss Prevention (DLP) technologies and policy management.
- Vulnerability Management and security hardening.
- Security architecture reviews and technical assurance.
- Threat detection, investigation and root cause analysis.
- Security automation, scripting or workflow improvement.
- You'll also be comfortable working with recognised security frameworks such as NIST CSF, ISO 27001, CIS Controls or the NCSC Cyber Assessment Framework.
We're looking for someone who:
- Has significant experience within cyber security, information security or security operations.
- Enjoys leading investigations and solving complex technical challenges.
- Can influence stakeholders at all levels with clear, confident communication.
- Thinks strategically while remaining hands-on.
- Takes ownership and is driven by continuous improvement.
- Builds strong relationships and enjoys developing others.
- Professional certifications such as CISSP, CISM or CISA are desirable but not essential if you can demonstrate equivalent experience.
Perks You'll Love- Flexible time off
- Health and wellness benefits (physical and mental)
- Tuition reimbursement and career growth support
- A workplace built for you: free gym, games room, prayer room
- Subsidized meals, free coffee/tea
- Employee stock options and incentive plans
- A collaborative, innovative, and inclusive culture
Salary Range: $70,000 - $102,000 CAD (flexible).Final compensation will be determined based on factors such as experience, skills, and qualifications. In line with our commitment to being a great place to work, Lumentum offers competitive total rewards which may include annual bonus, equity, and comprehensive health and welfare benefits.
Join a Team That's Shaping the FutureAt Lumentum, we're more than just a workplace-we're a launchpad for creativity and innovation. We're committed to celebrating your unique talents and helping you grow. Our guiding principles-Innovate, Engage, Deliver, Excel, and Win-aren't just words; they're the heart of what we do.
Let's Build a Brighter Future Together! 
