System Administrator
Emesent
System Administrator
Emesent, a Brisbane-based leader in autonomous LiDAR mapping and drone autonomy, is seeking a System Administrator to join its small IT team. The role involves managing corporate IT infrastructure, including Windows and Linux platforms, cloud services, identity and access management, and cybersecurity, while providing L2/L3 support and mentoring service desk staff. Candidates should have 5+ years of systems administration experience in mixed Windows/Linux environments.
System Administrator
Emesent, a Brisbane-based leader in autonomous LiDAR mapping and drone autonomy, is seeking a System Administrator to join its small IT team. The role involves managing corporate IT infrastructure, including Windows and Linux platforms, cloud services, identity and access management, and cybersecurity, while providing L2/L3 support and mentoring service desk staff. Candidates should have 5+ years of systems administration experience in mixed Windows/Linux environments.
Salary
Core Qualifications
Technical (Must-have)
Soft Skills
Preferred Qualifications
Technical (Nice-to-have)
Key Responsibilities
- Administer Windows Server environments, including Group Policy, DNS, DHCP, file and certificate services
- Provide L2/L3 operational support, resolving escalations from the Service Desk and complex infrastructure incidents
- Mentor and support L1/L2 Service Desk staff, building their technical capability
- Prioritise tickets in the infrastructure queue, ensuring incidents and requests are resolved within agreed SLAs
- Administer Microsoft 365, including Exchange, Teams, SharePoint, and Intune
- Manage endpoint provisioning and lifecycle for a globally distributed workforce across Windows, macOS, and Linux
- Administer VMware and Linux compute clusters and AWS environments, including capacity planning and performance management
- Maintain VPN infrastructure for remote and on-site personnel
- Administer network configuration for Brisbane HQ and remote sites (switching, routing, firewalls, wireless)
- Own DR and business continuity initiatives, including backups, restore testing, and infrastructure resilience
- Enable teams to safely adopt new technologies and workflows, including internally developed tools
- Support the secure adoption and governance of AI tools and services across the business, including access controls, data protection, and integration with existing platforms
- Maintain Active Directory and Microsoft Entra ID, SSO, MFA, Conditional Access, and hybrid identity sync
- Improve access management through Entra ID integrations with SaaS platforms and AWS (SAML/OIDC/SCIM), including automated provisioning and deprovisioning
- Implement least-privilege RBAC and manage the joiner/mover/leaver process; conduct periodic access reviews
- Enforce endpoint security policies across Windows, macOS, and Linux using Intune, Defender, and equivalent tooling
- Own patch management and vulnerability management across servers, endpoints, and network devices
- Maintain firewalls, email security (DMARC/DKIM/SPF), web filtering, and endpoint detection and response
- Monitor security alerts, investigate and contain incidents, and support penetration test remediation
- Harden systems against recognised baselines (CIS, Microsoft baselines, ASD Essential Eight)
- Support cybersecurity governance, risk, and compliance initiatives
- Maintain documentation, network topology, and the asset register
- Operate and improve change management, including risk assessment, approvals, and rollback planning
- Contribute to IT policies and standards and support audits and compliance
- Track licensing compliance, maintain the IT risk register, and contribute to DR/BC planning (RTO/RPO, DR exercises)
- Contribute to and uphold the organisation’s AI policy