Principal Security Engineer – DevSecOps & Automation
6-Month Contract | Sydney CBD | Security Engineering | DevSecOps | AWS | Microsoft Security | IaC | Automation | AI Security | Hands-On Technical Leadership
We’re seeking an experienced Principal Security Engineer to shape security strategy, drive automation and strengthen security practices across a diverse technology environment.
Working across security engineering, DevSecOps and cloud security, you’ll lead security improvements, tackle vulnerability backlogs and embed security into development and infrastructure processes. You’ll play a key role in converting security controls, policies and detection logic into configuration-as-code, while aligning with broader Group security standards.
Key Responsibilities
- Drive security engineering roadmaps and vulnerability remediation.
- Implement DevSecOps practices, Infrastructure as Code (IaC) and security automation.
- Configure and automate Microsoft security controls, including Entra Conditional Access and Microsoft Sentinel.
- Provide technical leadership, mentorship and escalation support to security engineers.
About You
- Proven Principal-level Security Engineering experience with strong technical leadership capabilities.
- Extensive DevSecOps, IaC and security automation experience.
- Hands-on expertise across Microsoft security technologies (Sentinel, Entra, Defender, etc) and AWS.
- Experience implementing security controls and detection logic as code.
- Strong vulnerability management and remediation skills.
Why Join?
This is an opportunity to join a high-impact, hands-on security team where you will have genuine ownership and influence. Rather than operating within a narrowly defined enterprise security function, you will work across a diverse portfolio and technologies, tackling a broad range of security engineering challenges.
Paxus values diversity and welcomes applications from Indigenous Australians, people from diverse cultural and linguistic backgrounds and people living with a disability. If you require an adjustment to the recruitment process, including the application form in an alternate format, please contact me on the above contact details.
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Principal Security Engineer - DevSecOps in Sydney employer: Paxus Australia Pty Ltd.
Paxus is an exceptional employer that fosters a collaborative and inclusive work culture, making it an ideal place for Cloud & DevOps Engineers to thrive. With a hybrid work model in Melbourne and opportunities for remote work in Canberra and Adelaide, employees enjoy flexibility while working on cutting-edge cloud technologies. The company prioritises professional growth, offering access to training and certifications, ensuring that team members can advance their careers in a supportive environment.
