Senior Linux Infrastructure Specialist
2 days ago
The role of a Linux System Engineer is pivotal in maintaining and securing core IT services, encompassing data centers, servers, virtualization, operating systems, storage, backup, time services, logging, email, domain name resolution, web proxying, and security.
Daily security monitoring and risk mitigation are essential responsibilities for this position. Key tasks include designing, implementing, and maintaining approximately 600 Linux hosts (primarily Ubuntu with some RHEL) and associated base infrastructure services.
The successful candidate will be responsible for administering core applications such as DNS (BIND), NTP, SMTP (Postfix), web proxying (Squid, Forcepoint/Websense), and RSA SecurID.
Collaboration with other technical teams to resolve issues and escalate concerns effectively is vital in this role.
The ideal candidate will have extensive experience managing a large fleet of Linux hosts and providing organization-wide base infrastructure and core services.
A deep understanding of Linux, including networking, auditd, SELinux/AppArmor, IPTABLES/NFTABLES, TLS, and PKI, is necessary for this position.
Additionally, the candidate must have experience implementing the ACSC's Essential Eight in a Linux environment.
Due to security clearance requirements, candidates must be Australian citizens with Active Baseline Clearance or NV1 Security Clearance or higher.
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