Principal Cyber Security Engineer
Core
Lead the design, implementation, and oversight of cybersecurity architecture across networks, platforms, and on-premises systems in defence-aligned and critical environments.
Role type
Principal Cyber Security Engineer
Builds
Secure automation pipelines, security tools, and classified environment controls
Domain
Defence, Government, Critical Infrastructure
Required skills
Cybersecurity architecture, Risk management, Penetration testing, Vulnerability assessment, SIEM administration, Infrastructure automation, Cloud security, Scripting (Java/Python/Ruby), Security standards compliance
Preferred skills
Defence/government environment experience, CISSP certification, Linux/Windows expertise, Stakeholder engagement
Technologies
Ansible, Terraform, Packer, Splunk, AWS, Azure, GCP, Chef, Puppet, Java, Python, Ruby
Responsibilities
Define and enforce cybersecurity standards aligned with NIST, ISO/IEC 27001, and Essential Eight; Support ATO processes by preparing security documentation and risk registers; Implement and validate technical security controls in classified environments; Design and manage secure automation pipelines; Develop and deploy security tools to address vulnerabilities; Conduct risk assessments, penetration testing, and security audits; Monitor and analyse security logs to identify and respond to threats; Collaborate on secure authentication, encryption, and access control solutions; Evaluate and integrate emerging cybersecurity technologies; Provide expert-level troubleshooting for complex cybersecurity challenges; Support SIEM platform installation, configuration, and optimisation.
Seniority
Principal, hands-on IC with strategic influence
