Senior IT Security Analyst

Lumentum Operations LLC; Ottawa; On-site; CAD 70,000 - 102,000; Full time

Benefits offered by this job

Flexible time off

Health and wellness benefits

Tuition reimbursement and careergrowth

Gym, games room, prayer room

Subsidized meals, coffee/tea

Employee stock options and incentive计划

Collaborative, innovative culture

Job summary

Lumentum Canada is seeking a Senior Information Security Analyst to protect our people, data, and global operations from cyber threats. This on-site Ottawa role leads complex investigations, strengthens security controls, and partners with cross-functional teams to continuously improve security capabilities.

You will mentor colleagues and drive improvements across cloud, identity, endpoint, network, and data security.

Qualifications

• Experience in security operations and incident response.
• Knowledge of SIEM and EDR technologies.
• Experience with Identity and Access Management including MFA.
• Familiarity with DLP and vulnerability management.
• Ability to perform security architecture reviews and governance.
• Strong analytical and communication skills.

Responsibilities

• Lead investigations and response to complex cyber incidents across environments.
• Improve security operations through detections, playbooks, and automation.
• Own security controls such as DLP and MFA and ensure measurable effectiveness.
• Assess vulnerabilities and coordinate remediation with tech teams.
• Provide security assurance for new projects and secure-by-design guidance.
• Produce security metrics and reports for stakeholders.
• Mentor colleagues and raise security capabilities across the org.

Skills

Security operations

Incident response

Threat detection

Security automation

Scripting

Communication

Mentoring

Education

CISSP

CISM

CISA

Tools

SIEM

EDR

MFA

DLP

Vulnerability scanning tools

Job description

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us! Lumentum Canada was awarded the 2022 National Capital Region’s Top Employers for the 6th consecutive year and the 2022 Career Directory Canada’s Best Employers for Recent Graduates for the 5th consecutive year.

Position Title: Senior Information Security Analyst Employment Type: Full-time Location: Ottawa (On-Site)

About Lumentum At Lumentum, we’re building the tech behind the world’s fastest networks and most advanced systems. Our optical and photonic solutions power everything from AI and cloud computing to data centers, telecom, and advanced manufacturing. We’re a global team of innovators working where light meets technology, solving big challenges that keep the world connected and moving forward. If shaping the future of connectivity excites you, you’ll fit right in.

Why You’ll Love This Role

At Lumentum, we develop the technologies that power the world's most advanced communications, industrial and cloud infrastructure. Security is fundamental to everything we do, and we're looking for an experienced Senior Information Security Analyst to help protect our people, data and global operations. This is an opportunity to join a collaborative cyber security team where you'll lead complex investigations, strengthen security controls and influence how we defend against an evolving threat landscape. You'll work across cloud, identity, endpoint, network and data security while partnering with technical and business teams to continuously improve our security capability. If you enjoy solving challenging security problems, mentoring others and driving meaningful improvements, we'd love to hear from you.

What You’ll Be Doing

As 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 For

You’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 Future

At 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! We’re committed to building an inclusive workplace where everyone feels valued and empowered. We welcome applicants from all backgrounds and provide accommodations for individuals with disabilities throughout the hiring process. Your uniqueness makes us stronger, sparks creativity, and drives our success. Please contact us at [e-mail] to request accommodation. Join us—your future starts here!

Lumentum is illuminating the networks of tomorrow with advanced photonic technologies that enable AI, data centers, telecom, industrial, and sensing applications. As AI accelerates the global demand for bandwidth and energy efficiency, we deliver the building blocks that keep data moving reliably, efficiently, and at massive scale. Our optical products support AI and compute infrastructure, cloud and DCI environments, metro and long-haul networks, while our lasers drive breakthroughs in precision manufacturing and sensing. For nearly five decades, Lumentum has been at the intersection of light and innovation. What began as a vision with JDS Uniphase to harness the power of photonics has evolved into a global force driving the communication infrastructure of tomorrow. At Lumentum, we’re building more than a business—we’re building a team of passionate innovators whose drive to collaborate, create, and connect the world fuels everything we do. We are part of the AI technology revolution and we are illuminating the path forward. Headquartered in San Jose, California, we operate worldwide through a network of R&D, manufacturing, and sales locations.