Senior Cyber Security Engineer - Hands-on, Cloud & SIEM

Decipher Bureau; Sydney; On-site; AUD 120,000 - 200,000; Full time

Job summary

Decipher Bureau is seeking a Senior Cyber Security Engineer to design, deploy and continuously improve security controls across on-premises, cloud and SaaS platforms. You will own security platforms, automate workflows, and mentor teammates in a regulated environment.

The role emphasizes technical depth, DevOps-style practices, and strong collaboration with stakeholders. Location is Sydney/Melbourne with a strong salary up to $200,000 base plus super and bonus.

Qualifications

• 6+ years' experience in security engineering or related field.
• Hands-on experience across four or more of: SASE/network security, firewall and network security policy, email security, EDR, SIEM/security monitoring, cloud/SaaS security, vulnerability remediation.
• Experience with scripting, APIs or workflow automation (e.g. PowerShell, Python, Power Automate, Logic Apps).
• Ability to work effectively in a regulated environment, translating policy, risk and audit requirements into practical engineering outcomes.

Responsibilities

• Design, build, configure, test and deploy security controls across on-premises, cloud and SaaS environments.
• Own and optimise assigned security platforms, including architecture, configuration, tuning, lifecycle and vendor management.
• Design, review and govern network security policies, including firewall rules, segmentation and secure connectivity.
• Apply scripting, workflow automation, APIs and DevOps-style practices to improve efficiency, consistency and auditability.
• Manage SIEM/log onboarding, tune detection use cases and alert logic, and support vulnerability remediation across technology teams.
• Provide secondary/backup support for identity and access management (IDAM) and privileged access management (PAM).
• Share technical expertise and mentor other engineers, and contribute to architecture and governance forums.

Skills

Cloud security

Scripting & automation

Security incident response

Stakeholder communication

Mentoring others

Education

Bachelor’s degree or higher

Tools

Netskope

Mimecast

CrowdStrike

SIEM tooling

Job description

Decipher Bureau is seeking a Senior Cyber Security Engineer to design, deploy and continuously improve security controls across on-premises, cloud and SaaS platforms. You will own security platforms, automate workflows, and mentor teammates in a regulated environment.

The role emphasizes technical depth, DevOps-style practices, and strong collaboration with stakeholders. Location is Sydney/Melbourne with a strong salary up to $200,000 base plus super and bonus.