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Senior Security Engineer, x15ventures

Sydney CBD Area💼 Full-time🗓 2026-08-04 → 2026-09-26

Core

Design, build, and improve security capabilities across x15 and its portfolio of ventures, focusing on DevSecOps, cloud security, identity, and automation.

Role type

Senior Security Engineer (hands-on IC)

Builds

Secure CI/CD pipelines, cloud security controls, identity governance, and security automation tools

Domain

Fintech / Cybersecurity

Deliverable

production ML models | product features | infrastructure

Required skills

DevSecOps, cloud security (AWS/Azure), identity and access management, infrastructure as code, CI/CD security, security automation scripting, vulnerability management, incident response, threat modeling, security advisory

Preferred skills

Microsoft Entra ID, Microsoft Defender suite, Python/PowerShell scripting, secure coding practices, technical mentoring

Technologies

AWS, Azure, Terraform, CloudFormation, Bicep, GitHub Actions, Azure DevOps, GitLab CI, Microsoft Entra ID, Microsoft Defender XDR, Defender for Endpoint, Defender for Cloud, Python, PowerShell

Responsibilities

Embed security controls in software development lifecycles; design and implement security capabilities in CI/CD pipelines; review cloud architectures and configurations; implement identity and access controls; build automation for security monitoring and response; provide practical security advice to venture teams; mentor engineers and contribute to security standards

Seniority

Senior, hands-on IC with mentorship responsibilities

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