A leading fast moving venture environment back by a major bank is seeking a Senior Security Engineer for an initial 6 month contract likely to extend. This is a hybrid role- 50% in office.
The team supports seven ventures with different products, customers, technology stacks and operating models, covering cloud security, DevSecOps, security engineering, architecture, security operations, risk and advisory.
Responsibilities:
Lead and deliver cyber security initiatives across a varied portfolio of digital ventures.
Strengthen cloud security controls across Azure environments mostly with some AWS.
Support security operations, including detection engineering and improvements across Microsoft Sentinel and Microsoft Defender.
Contribute to DevSecOps automation and manage security configuration through code.
Work with identity and access technologies, including Microsoft Entra.
Assess priorities, respond to changing demands and escalate risks constructively.




Partner with technical and business stakeholders to provide practical security guidance.
Work independently from broad direction while collaborating closely with a small, multidisciplinary team.

Key Skills / Experience:
Senior-level, hands-on experience across security engineering,
Solid cloud security - Microsoft security ecosystem, particularly Microsoft Defender, Sentinel and Entra.
Solid Sec Ops background
Experience with DevSecOps practices, security automation and infrastructure as code; Terraform exposure is highly regarded.
Sound understanding of detection engineering, vulnerability management and security operations.
Experience in fintech, financial services or another regulated setting- Highly Regarded

If interested please respond ASAP with your latest resume

Reference number: BH-63041

Company: Bluefin Resources

Date posted: 8th Oct, 2026

📌 Senior Security Engineer Cloud /sec Ops Fast Moving Venturejust Posted! Sydney (Australia)
🏢 Bluefin Resources
📍 Australia