Principal Application Security Consultant, National Security, Mandiant

Benefits

Parental leave

18 weeks From the posting source checked Jun 20, 2026

Non-birth-parent leave

18 weeks From the posting source checked Jun 20, 2026

Family-building benefits

• Fertility benefits: Not verified
• Adoption assistance: Not verified
• Surrogacy assistance: Not verified

Mental health support

Not verified

Relocation assistance

Not verified

Childcare support

Not verified

Learning budget

Not verified

Verification

Source-linked checked May 7, 2026

Salary

CAD 198K-203K From the posting source checked Jun 20, 2026

401(k) match

Reported from DOL Form 5500 industry filing (not employer-specific)

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Role

Role function

Security From the posting source checked Jun 20, 2026

Seniority

Principal From the posting source checked Jun 20, 2026

Schedule

Shift type

Not verified

Weekend work

Not verified

Company

Equity

Offered Verified - SEC 10-K source checked Jun 20, 2026

Application

Cover letter

Not verified

Assessment

Not verified

Deadline

Not stated

Where they hire

State eligibility is not yet verified.

About this role

Principal Application Security Consultant, National Security, Mandiant Ottawa, ON, Canada As a Security Consultant, you will be responsible for helping clients effectively prepare for, proactively mitigate, and detect and respond to cyber security threats. Security Consultants have an understanding of computer science, operating system functionality and networking, cloud services, corporate network environments and how to apply this knowledge to cyber security threats. As a Security Consultant, you could work on engagements including assisting clients in navigating technically complex and high-profile incidents, performing forensic analysis, threat hunting, and malware triage. You may also test client networks, applications and devices by emulating the latest techniques to help them defend against threats, and will be the technical advocate for information security requirements and provide an in-depth understanding of the information security domain. You will also articulate and present complex concepts to business stakeholders, executive leadership, and technical contributors and successfully lead complex engagements alongside cross functional teams. As a Senior Application Security Consultant within Mandiant's National Security team, you will embed with clients in Canada's national security and defence sector and directly contribute to building a secure and resilient Canada. In this role, you will execute advanced offensive security assessments and penetration tests against mission-critical applications. You will act as a trusted advisor to executive stakeholders, guiding them on effective remediation and secure application development lifecycles. You will bring a sophisticated blend of computer science and information security expertise. You must possess an intricate understanding of offensive security testing, web and native application

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