A leading fast moving venture setting back by a major bank is seeking a Principal Security Engineer for an initial 6 month contract likely to extend. This is a hybrid role- 50% in office.
Responsibilities
Drive the security engineering roadmap, with a strong focus on DevSecOps, automation and infrastructure as code.
Convert security controls to configuration as code, including conditional access policies, identity-related detection logic and Microsoft Sentinel rules.
Build security into CI/CD workflows and enable engineering teams to deploy securely at speed.
Lead vulnerability reduction initiatives across the venture portfolio in alignment with broader group standards.
Provide hands-on security engineering support across Microsoft security technologies and cloud environments.
Partner with venture teams on current products and customer-facing initiatives, providing pragmatic security guidance from design through delivery.
Mentor team members, share expertise and act as an escalation point for complex security challenges.
Contribute to emerging initiatives, including AI-enabled products, where your experience aligns.





Key Skills / Experience:
Deep experience in security engineering at a principal, lead or senior level.
Robust hands-on DevSecOps capability, including security automation, infrastructure as code and configuration as code.
Advanced experience with the Microsoft security stack, including identity and access controls, detection engineering and Microsoft Sentinel.
Experience embedding security into engineering workflows and modern CI/CD pipelines.
Strong cloud security knowledge; AWS experience is advantageous.
A track record of working effectively in a fintech, digital venture, scale-up or similarly agile environment.
The ability to balance strategic leadership with practical delivery in a small team.
Excellent stakeholder engagement, coaching and communication skills.
AI security experience is highly regarded but not essential.

If interested please respond asap

Reference number: BH-63041-1

Company: Bluefin Resources

Date posted: 8th Oct, 2026

📌 Principal Security Engineer Devsecops / Cloud $1440 Per Dayjust Posted! Sydney (Australia)
🏢 Bluefin Resources
📍 Australia