Senior Security Engineer – Insider Threat, Investigations

. Lead high-complexity investigations involving sophisticated techniques and potential legal or regulatory considerations .

Posted 5/19/2026full-timeRemote • 🇦🇺 AustraliaSeniorWebsite

Tools & technologies

GoJavaLinuxMacOSPython

Key responsibilities & impact

Lead high-complexity investigations involving sophisticated techniques and potential legal or regulatory considerations
Coordinate closely with Legal, People, and Security teams on investigation scope, evidence handling, privacy considerations, and response activities
Write detailed investigation reports documenting findings, evidence, impact, and recommendations for technical and non-technical stakeholders
Respond to security events from detection through to containment, remediation, and resolution
Create and improve detection logic, correlation rules, and alerts across SIEM and EDR platforms
Proactively run threat hunting and anomaly detection exercises across Canva’s environment
Design and improve scalable tooling, workflows, and operational processes that strengthen Canva’s incident detection, investigation, and response capabilities
Act as an escalation point and incident coordinator during active investigations and security incidents
Participate in a collaborative on-call rotation supporting critical security investigations and incident response activities
Mentor and support the growth of teammates through knowledge sharing, operational guidance, and investigation best practices

What you’ll need

Experience leading or coordinating security investigations, digital forensics, or incident response activities in complex environments
Comfortable working cross-functionally with Legal, People, and Security teams, and can communicate clearly during high-pressure situations
Able to translate complex technical concepts for diverse audiences, including non-technical stakeholders
Built or improved detection, automation, case management, or response workflows at scale
Hands-on experience investigating macOS environments, alongside Linux and Windows systems
Comfortable designing, building, and improving security tooling and operational workflows
Confident working with SIEM, EDR, endpoint telemetry, and security investigation tooling
Enjoy solving ambiguous problems and proactively improving systems, processes, and operational maturity
Bring empathy, sound judgement, humility, and a collaborative mindset to sensitive investigations and incident coordination
Programming or scripting experience in languages such as Python, Golang, or Java

Comp & perks

Equity packages - we want our success to be yours too
Inclusive parental leave policy that supports all parents & carers
An annual Vibe & Thrive allowance to support your wellbeing, social connection, office setup & more
Flexible leave options that empower you to be a force for good, take time to recharge and supports you personally

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

digital forensicsincident responsedetection logiccorrelation rulesanomaly detectionsecurity toolingprogrammingscriptingmacOSLinux

Soft Skills

communicationcollaborationproblem-solvingempathyjudgementhumilitymentoringknowledge sharingoperational guidancetranslating technical concepts