IT Infrastructure Specialist
We are seeking a highly skilled IT Infrastructure Specialist to join our team.
* Achieve efficient operation and maintenance of core IT services, including data centres, servers, virtualisation, operating systems, storage, backup, time services, logging, email, domain name resolution, web proxying, and security.
* Securely manage connections to and from external networks, ensuring the safety and integrity of data traffic.
* Perform daily security monitoring and risk mitigation across the IT environment.
The role requires:
* Design, implement, and maintain Linux hosts (primarily Ubuntu with some RHEL) and associated base infrastructure services.
* Administer core applications such as DNS (BIND), NTP, SMTP (Postfix), web proxying (Squid, Forcepoint/Websense), and RSA SecurID.
* Work in a secure on-premises environment, contributing to business-driven and internal projects from design through to service delivery.
* Collaborate closely with other technical teams to resolve issues and escalate concerns effectively.
Requirements:
* Proven Experience as a Linux System Engineer.
* Extensive experience managing a large fleet of Linux hosts and providing organisation-wide base infrastructure and core services.
* Ansible automation skills for infrastructure deployment and management.
* Experience in problem-solving, troubleshooting, documentation, and root cause analysis.
* A deep understanding of Linux, including networking, auditd, SELinux/AppArmor, IPTABLES/NFTABLES, TLS, and PKI.
Benefits:
* Australian Citizenship.
* Active Baseline Clearance or NV1 Security Clearance or higher.
About this Role:
This is an excellent opportunity for experienced IT professionals to take their career to the next level.