Systems Security Engineer
Core
Infrastructure Security Engineer responsible for designing, hardening, and operating networks accredited under Australian Government security frameworks (PSPF, ISM) and managing corporate security tooling.
Role type
Senior IC infrastructure security engineer
Builds
Accredited Australian and corporate ICT environments
Domain
Defense / Cybersecurity
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
Security platform operations (Endpoint protection, SIEM, Vulnerability management, IAM, PAM), Active Directory & Windows Server hardening, Australian Government security frameworks (ISM, PSPF, Essential Eight), Security documentation & accreditation support, Incident response, Risk assessment
Preferred skills
VMware vSphere administration, Enterprise backup/recovery, SIEM dashboard development, Scripting (PowerShell, Python, Bash), PKI & TLS/mTLS, Configuration management platforms, Industry certifications (GIAC, CompTIA, Microsoft)
Technologies
Windows Server, Active Directory, VMware vSphere, SIEM, EDR, PAM, PowerShell, Python, Bash
Responsibilities
Own and operate security tooling across Australian and corporate networks; Administer and mature the Australian network's security stack; Drive Essential Eight maturity uplift; Develop and maintain SIEM use cases and dashboards; Conduct vulnerability assessments and track remediation; Perform security hardening of servers, AD, and network devices; Contribute to security architecture assessments and threat modeling; Support system accreditation activities; Brief security posture to stakeholders; Assist with security incident response.
Seniority
Senior, hands-on IC