Senior Endpoint Security Infrastructure Engineer

We are seeking a technically skilled and security-conscious Platform Engineer to join our Platform Services team. The role contributes to the operation, maintenance and continual improvement of the Department’s ICT infrastructure and endpoint security platforms, with a strong focus on secure, reliable and supportable services. The position supports Windows Server environments, endpoint protection and application control technologies, identity and privileged access management platforms, and related infrastructure services. The successful candidate will work collaboratively with Platform Services colleagues, Cyber Security, infrastructure and application teams, project delivery areas, vendors and business stakeholders. The role will balance business-as-usual support with project delivery, security uplift, vulnerability remediation, platform lifecycle management, documentation and knowledge transfer Key duties and responsibilities Support and maintain enterprise endpoint security platforms, including application control, endpoint protection, endpoint detection and response (EDR), host-based firewalls, vulnerability management and device control technologies. Administer and support technologies such as Airlock Digital, Symantec Endpoint Protection and Microsoft Defender, including platform configuration, policy maintenance, agent health and lifecycle management. Plan and deliver security platform patching, upgrades, policy changes and agent deployments through established change management processes. Assess and implement application whitelisting, application unblocking, antivirus exclusion and security policy requests in consultation with system owners and Cyber Security. Monitor and respond to CVEs, vendor advisories, security findings and vulnerabilities, including impact assessment, remediation planning, testing and implementation. Provide operational and project support across enterprise Windows Server environments and related infrastructure services including windows servers without a GUI (Server core). Support Windows Server lifecycle and modernisation activities, including upgrades, migrations, patching, hardening, compatibility assessment and transition to supported operating system versions. Administer and troubleshoot technologies including Active Directory, Entra ID, DNS, PKI, Group Policy, DFS, SCOM, SCCM/MECM and Intune. Support and maintain enterprise identity management platforms, including Microsoft Identity Manager and Unify Broker. Contribute to the support and maintenance of privileged access management solutions such as CyberArk and Secret Server. Undertake troubleshooting and provide technical advice on identity, authentication, access and privileged access issues and workflows. Criteria The buyer has specified that each candidate must provide a one page pitch to address all criteria specified. This is equal to 5000 characters. Essential criteria 1. Demonstrated experience administering and supporting enterprise endpoint security platforms, including application control, endpoint protection, EDR, vulnerability management, host-based firewalls, device control and security policy management. 2. Experience with Airlock Digital application control, Symantec Endpoint Protection, Microsoft Defender for Endpoint, Microsoft Defender Vulnerability Management or comparable enterprise security products. 3. Experience responding to CVEs, vendor advisories, security findings and production issues, including impact assessment, troubleshooting, remediation, testing, change implementation and vendor engagement. 4. Detailed Windows Server understanding and experience including Active Directory, Entra ID, DNS, PKI, DFS, Microsoft System Centre products and Intune (SCOM, SCCM/MECM) and Azure Virtual Desktop. Desirable criteria 1. Knowledge of Australian Government cyber security requirements, including the Information Security Manual, Essential Eight maturity model and ACSC security guidance, with experience contributing to implementation or assurance of security controls. Experience working in an Australian Government or similarly regulated environment. 2. Experience administering Red Hat Enterprise Linux, including patching, security hardening, lifecycle management and enterprise service integration, with demonstrated experience using Ansible or similar automation and configuration management tools to deploy, configure, patch and maintain infrastructure. 3. Experience with infrastructure-as-code, source control, CI/CD pipelines, Azure DevOps, Azure Arc or related DevOps and hybrid management practices. Experience with IAM and PAM principles, access governance and access control, including knowledge and experience with IAM technology such as MIM, Unify Broker and EntraID. 4. Strong experience in writing technical documentation including SOPs and design documentation. Opportunity summary Sellers can submit Up to 2 candidates Number of sellers invited More than 10 Number of candidates submitted Fewer than 10 Send us feedback About Accessibility Privacy Terms of use Disclaimer and copyright An initiative of the Digital Transformation Agency The Australian Government acknowledges the Traditional Owners of Country throughout Australia and acknowledges their continuing connection to land, waters and community. We pay our respects to the people, the cultures and the Elders past and present. © Commonwealth of Australia