Senior Systems Engineer - Infrastructure Security Operations
Core
Secure, monitor, patch, and maintain the organization's server, virtualization, and endpoint platforms to ensure operational integrity and compliance with security frameworks.
Role type
Senior Systems Engineer (Infrastructure Security Operations)
Builds
Secure and resilient core infrastructure platforms (servers, virtualization, endpoints) for the APRA Technology division.
Domain
Financial Services / Cybersecurity / Infrastructure Operations
Required skills
Vulnerability management (Qualys), Patch management (WSUS, Ansible), Endpoint security (Defender, AppLocker), Windows Server administration, Active Directory hardening, PowerShell scripting, Server monitoring (SolarWinds, Azure Monitor), Cloud security (Azure)
Preferred skills
VMware Lifecycle Manager, ACSC Essential Eight / ISM / PSPF frameworks, Cross-functional project delivery
Technologies
Qualys, WSUS, Ansible Automation Platform, Microsoft Defender, SolarWinds, Azure Monitor, VMware Lifecycle Manager, PowerShell
Responsibilities
Perform daily vulnerability review and remediation planning; Administer patch management platforms and SOE patching cycles; Conduct server image hardening and lifecycle management; Maintain application control solutions (AppLocker, GPO); Support security uplift activities and identity posture improvements; Configure and maintain cloud-native security services; Ensure continuous visibility of infrastructure health and security events; Deliver infrastructure changes with a security-first approach; Support internal audits and compliance reviews.
Seniority
Senior, hands-on IC

