Decipher Bureau are seeking a skilled and motivated OT Security SOC Lead/Architect to join a leading ASX-listed business who are committed to safeguarding their digital assets against cyber threats.
Reporting directly to the Program Manager - Cyber Security you will own and deliver the Incident Response and Monitoring & Logging workstreams and support activities related to improving identity security controls and cloud security.
This is a Brisbane-based, hybrid working position.
Key Responsibilities - Review and update Incident Response (IR) plans aligned to the NIST lifecycle.
- Define and publish IR roles, responsibilities, and RACI matrices.
- Develop and integrate IR playbooks into operational workflows.
- Define and implement secure offline access to IR plans.
- Conduct tabletop exercises and update IR documentation based on outcomes.
- Define and integrate an OT/IT engagement model into IR processes.
- Assess current logging practices and identify critical log sources and gaps.
- Define and implement a future-state logging and detection strategy.
- Review and enhance log retention configurations in Splunk and/or Sentinel.
- Implement updated retention policies, archiving configurations, and operational processes.
- Support changes in lifecycle management of accounts in Entra ID
Key Requirements - 5+ years of experience in cyber security architecture, advisory or operational roles
- Understanding of NIST, MITRE ATT&CK or other industry frameworks.
- Proven experience designing SIEM architectures and log management strategies (Splunk, Sentinel).
- Proficiency in SIEM configuration, log source onboarding, and retention policy management.
- Familiarity with OT environments.
- Familiarity with Microsoft products
- Domain knowledge across Identity Governance (IGA), SSO, MFA, and Privileged Access Management (PAM)
- Ability to simulate incident scenarios and lead post-exercise reviews and documentation updates.
- Knowledge of secure offline access mechanisms for critical documentation.
How to apply?
APPLY NOW or email marcus@decipherbureau.com if any questions.
*Only candidates in AU with full working rights will be considered.
Decipher Bureau and the clients we partner with are committed to creating a diverse environment and are proud to be equal opportunity employers. All qualified applicants will be considered for employment without attention to race, colour, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.